Weather for the next 15 days in Orlando, Florida state, USA

Weather in Orlando for today, Thursday, 18 Oct 2018

Sunrise: 07:31
Sunset: 18:52
Moonrise: 15:42
Moonset: 01:49
UV Index: 6
02:0005:0008:0011:0014:0017:0020:0023:00
Patchy rain possiblePartly cloudyPartly cloudyLight rain showerLight rain showerLight rain showerLight rain showerLight rain shower
Temperature73°F72°F70°F77°F77°F75°F72°F70°F
Feels Like75°F73°F72°F79°F79°F77°F73°F72°F
Precipitation0.8 mm0 mm0 mm0.3 mm1 mm0.4 mm0.8 mm0.3 mm
Probability74 %0 %0 %78 %88 %60 %78 %74 %
Cloud Cover70 %28 %34 %87 %98 %99 %96 %82 %
Wind Speed3 mph3 mph6 mph13 mph16 mph14 mph10 mph8 mph
Wind DirectionNWNNENNENEENENEENEENE
Wind Gusts2 mph7 mph10 mph15 mph18 mph17 mph17 mph16 mph
Humidity92 %93 %89 %76 %72 %63 %73 %82 %
Pressure1020 mb1020 mb1021 mb1024 mb1023 mb1020 mb1020 mb1020 mb
Dew Point73°F72°F68°F72°F70°F64°F64°F66°F
Heat Index75°F73°F72°F79°F79°F77°F73°F72°F
Wind Chill75°F73°F72°F79°F79°F77°F73°F72°F
Visibility12 mi12 mi12 mi11 mi11 mi11 mi11 mi11 mi
Hourly weather conditions, Temperature (°F), Precipitation (mm/h), Wind Speed (mph):
000102030405060708091011121314151617181920212223
757573737372727270737577777777777775757372727270
0.50.70.80.50.300000.10.20.30.50.810.80.60.40.50.70.80.60.50.3
33333345681113141516151414121110998

Weather in Orlando for tomorrow, Friday, 19 Oct 2018

Sunrise: 07:32
Sunset: 18:51
Moonrise: 16:18
Moonset: 02:42
UV Index: 7
02:0005:0008:0011:0014:0017:0020:0023:00
Light rain showerLight rain showerLight rain showerLight rain showerLight rain showerLight rain showerLight rain showerPatchy rain possible
Temperature70°F68°F68°F75°F77°F79°F73°F72°F
Feels Like72°F70°F70°F77°F79°F81°F75°F73°F
Precipitation0.7 mm0.8 mm1.4 mm0.9 mm1.6 mm0.4 mm0.7 mm0.1 mm
Probability84 %74 %68 %76 %78 %87 %70 %74 %
Cloud Cover83 %78 %97 %100 %100 %100 %95 %98 %
Wind Speed6 mph7 mph9 mph9 mph11 mph11 mph8 mph8 mph
Wind DirectionENEENEENEENEEEESEESE
Wind Gusts14 mph13 mph12 mph13 mph16 mph12 mph11 mph11 mph
Humidity81 %83 %85 %81 %74 %76 %71 %79 %
Pressure1020 mb1020 mb1020 mb1023 mb1022 mb1019 mb1020 mb1019 mb
Dew Point66°F64°F66°F72°F70°F72°F64°F66°F
Heat Index72°F70°F70°F77°F79°F81°F75°F73°F
Wind Chill72°F70°F70°F77°F79°F81°F75°F73°F
Visibility11 mi11 mi11 mi11 mi11 mi11 mi11 mi12 mi
Hourly weather conditions, Temperature (°F), Precipitation (mm/h), Wind Speed (mph):
000102030405060708091011121314151617181920212223
707070707068686868727375777777797979777573737372
0.40.60.70.70.80.811.21.41.21.10.91.11.41.61.20.80.40.50.60.70.50.30.1
766667789999910111111111098888

Weather in Orlando for Saturday, 20 Oct 2018

Sunrise: 07:32
Sunset: 18:50
Moonrise: 16:54
Moonset: 03:37
UV Index: 7
02:0005:0008:0011:0014:0017:0020:0023:00
Light rain showerPartly cloudyPartly cloudyPartly cloudyPatchy rain possiblePartly cloudyPartly cloudyPartly cloudy
Temperature70°F68°F68°F77°F82°F82°F77°F73°F
Feels Like72°F70°F70°F79°F88°F90°F79°F75°F
Precipitation0.2 mm0 mm0 mm0 mm0.1 mm0 mm0 mm0 mm
Probability80 %0 %0 %0 %70 %0 %0 %0 %
Cloud Cover88 %55 %51 %46 %76 %40 %12 %12 %
Wind Speed6 mph6 mph7 mph7 mph6 mph7 mph4 mph7 mph
Wind DirectionSESSESSSWWSWWSWWNW
Wind Gusts9 mph9 mph6 mph8 mph9 mph9 mph15 mph9 mph
Humidity84 %86 %86 %79 %59 %64 %76 %88 %
Pressure1018 mb1018 mb1019 mb1018 mb1016 mb1015 mb1015 mb1016 mb
Dew Point66°F66°F66°F72°F70°F72°F72°F70°F
Heat Index72°F70°F70°F79°F88°F90°F79°F75°F
Wind Chill72°F70°F70°F79°F84°F84°F79°F75°F
Visibility12 mi12 mi12 mi12 mi12 mi11 mi11 mi12 mi
Hourly weather conditions, Temperature (°F), Precipitation (mm/h), Wind Speed (mph):
000102030405060708091011121314151617181920212223
727270707068686868727577798182828282817977777573
0.10.20.20.10.1000000000.10.10.100000000
766666667777776777654567

Weather in Orlando for Sunday, 21 Oct 2018

Sunrise: 07:33
Sunset: 18:49
Moonrise: 17:28
Moonset: 04:31
UV Index: 5
02:0005:0008:0011:0014:0017:0020:0023:00
CloudyPartly cloudyPartly cloudyPartly cloudyCloudyPartly cloudyPartly cloudyPartly cloudy
Temperature70°F68°F66°F66°F73°F73°F66°F64°F
Feels Like72°F70°F68°F68°F75°F75°F68°F66°F
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability0 %0 %0 %0 %0 %0 %0 %0 %
Cloud Cover66 %17 %28 %62 %78 %45 %10 %14 %
Wind Speed4 mph7 mph9 mph11 mph13 mph13 mph11 mph9 mph
Wind DirectionNNWNNNNENENENENE
Wind Gusts12 mph14 mph13 mph12 mph14 mph14 mph14 mph13 mph
Humidity89 %95 %84 %63 %56 %54 %55 %61 %
Pressure1015 mb1015 mb1017 mb1021 mb1019 mb1019 mb1019 mb1020 mb
Dew Point70°F68°F64°F55°F57°F57°F52°F52°F
Heat Index72°F70°F68°F68°F75°F75°F68°F66°F
Wind Chill72°F70°F68°F68°F75°F75°F68°F66°F
Visibility12 mi12 mi12 mi12 mi12 mi12 mi12 mi12 mi
Hourly weather conditions, Temperature (°F), Precipitation (mm/h), Wind Speed (mph):
000102030405060708091011121314151617181920212223
737270707068686866666666707273737373727066666664
000000000000000000000000
654567789911111212131313131211111099

Weather in Orlando for Monday, 22 Oct 2018

Sunrise: 07:34
Sunset: 18:48
Moonrise: 18:01
Moonset: 05:27
UV Index: 0
02:0005:0008:0011:0014:0017:0020:0023:00
Partly cloudyPartly cloudyPartly cloudyPartly cloudyCloudyPatchy rain possiblePatchy rain possiblePartly cloudy
Temperature61°F61°F61°F70°F73°F72°F68°F66°F
Feels Like63°F63°F63°F72°F75°F73°F70°F68°F
Precipitation0 mm0 mm0 mm0 mm0 mm0.1 mm0.2 mm0 mm
Probability0 %0 %0 %0 %0 %74 %64 %0 %
Cloud Cover11 %51 %42 %34 %82 %57 %70 %43 %
Wind Speed7 mph7 mph7 mph10 mph11 mph11 mph11 mph6 mph
Wind DirectionNENEENEEEEEE
Wind Gusts11 mph11 mph11 mph13 mph11 mph11 mph11 mph7 mph
Humidity65 %70 %70 %56 %53 %59 %68 %74 %
Pressure1022 mb1022 mb1023 mb1025 mb1023 mb1022 mb1022 mb1022 mb
Dew Point50°F52°F54°F54°F55°F59°F59°F61°F
Heat Index63°F63°F63°F72°F75°F73°F70°F68°F
Wind Chill63°F63°F63°F72°F75°F73°F70°F68°F
Visibility12 mi12 mi12 mi12 mi12 mi12 mi12 mi12 mi
Hourly weather conditions, Temperature (°F), Precipitation (mm/h), Wind Speed (mph):
000102030405060708091011121314151617181920212223
646361616161616161646870727373737372727068686866
00000000000000000.10.10.10.20.20.10.10
8877777778910111111111111111111976

Weather in Orlando for Tuesday, 23 Oct 2018

Sunrise: 07:35
Sunset: 18:47
Moonrise: 18:35
Moonset: 06:23
UV Index: 5
02:0005:0008:0011:0014:0017:0020:0023:00
Light rain showerLight rain showerLight rain showerLight rain showerModerate or heavy rain showerModerate rainLight rainModerate or heavy rain shower
Temperature66°F66°F66°F72°F75°F75°F72°F68°F
Feels Like68°F68°F68°F73°F77°F77°F73°F70°F
Precipitation0.2 mm0.2 mm1 mm2.5 mm5.8 mm5.1 mm0.9 mm6.9 mm
Probability65 %64 %87 %83 %61 %70 %72 %61 %
Cloud Cover81 %72 %72 %50 %100 %100 %77 %83 %
Wind Speed4 mph3 mph4 mph5 mph8 mph8 mph9 mph6 mph
Wind DirectionESEEENEENNENEESEESE
Wind Gusts6 mph6 mph6 mph7 mph10 mph9 mph12 mph14 mph
Humidity76 %80 %86 %75 %69 %71 %73 %83 %
Pressure1021 mb1020 mb1021 mb1021 mb1021 mb1020 mb1019 mb1020 mb
Dew Point61°F63°F64°F66°F66°F66°F64°F64°F
Heat Index68°F68°F68°F73°F77°F77°F73°F70°F
Wind Chill68°F68°F68°F73°F77°F77°F73°F70°F
Visibility12 mi12 mi12 mi12 mi12 mi12 mi12 mi12 mi
Hourly weather conditions, Temperature (°F), Precipitation (mm/h), Wind Speed (mph):
000102030405060708091011121314151617181920212223
666666666666666666687072737575757575757372727068
0.10.10.20.20.20.20.50.711.522.53.64.75.85.65.35.13.72.30.92.94.96.9
544443444455678888999876

Weather in Orlando for Wednesday, 24 Oct 2018

Sunrise: 07:35
Sunset: 18:46
Moonrise: 19:11
Moonset: 07:21
UV Index: 5
02:0005:0008:0011:0014:0017:0020:0023:00
Torrential rain showerPatchy rain possibleLight rain showerLight rain showerOvercastLight rain showerOvercastLight rain shower
Temperature66°F66°F66°F72°F75°F75°F68°F68°F
Feels Like68°F68°F68°F73°F77°F77°F70°F70°F
Precipitation11 mm0.4 mm0.6 mm0.2 mm0 mm0.2 mm0 mm0.9 mm
Probability67 %80 %76 %75 %0 %68 %0 %61 %
Cloud Cover77 %88 %98 %100 %100 %100 %100 %100 %
Wind Speed2 mph6 mph6 mph7 mph9 mph11 mph8 mph5 mph
Wind DirectionSWNNWNNNNNENNE
Wind Gusts5 mph6 mph9 mph13 mph13 mph14 mph16 mph17 mph
Humidity94 %86 %87 %77 %69 %75 %72 %80 %
Pressure1019 mb1019 mb1020 mb1018 mb1017 mb1016 mb1017 mb1018 mb
Dew Point66°F64°F64°F66°F66°F68°F61°F64°F
Heat Index68°F68°F68°F73°F77°F77°F70°F70°F
Wind Chill68°F68°F68°F73°F77°F77°F70°F70°F
Visibility11 mi11 mi10 mi12 mi12 mi12 mi12 mi6 mi
Hourly weather conditions, Temperature (°F), Precipitation (mm/h), Wind Speed (mph):
000102030405060708091011121314151617181920212223
686866666666666666687072737575757575737268686868
8.39.6117.53.90.40.50.50.60.50.30.20.10.100.10.10.20.10.100.30.60.9
542346666677789910111098765

Weather in Orlando for Thursday, 25 Oct 2018

Sunrise: 07:36
Sunset: 18:45
Moonrise: 19:50
Moonset: 08:21
UV Index: 5
02:0005:0008:0011:0014:0017:0020:0023:00
Light rain showerLight rainLight rainPatchy rain possibleLight drizzleOvercastOvercastOvercast
Temperature68°F66°F66°F72°F72°F72°F66°F66°F
Feels Like70°F68°F68°F73°F73°F73°F68°F68°F
Precipitation2.3 mm0.9 mm1.6 mm0.1 mm0.2 mm0 mm0 mm0 mm
Probability67 %61 %75 %77 %65 %0 %0 %0 %
Cloud Cover100 %100 %100 %100 %95 %98 %93 %100 %
Wind Speed6 mph7 mph8 mph12 mph12 mph11 mph9 mph7 mph
Wind DirectionNNENNENNNENNENNENNEN
Wind Gusts17 mph16 mph15 mph14 mph14 mph13 mph13 mph11 mph
Humidity80 %78 %84 %79 %75 %73 %77 %81 %
Pressure1018 mb1018 mb1014 mb1015 mb1014 mb1014 mb1014 mb1016 mb
Dew Point63°F61°F64°F66°F66°F63°F61°F63°F
Heat Index70°F68°F68°F73°F73°F73°F68°F68°F
Wind Chill70°F68°F68°F73°F73°F73°F68°F68°F
Visibility6 mi6 mi6 mi6 mi1 mi6 mi6 mi6 mi
Hourly weather conditions, Temperature (°F), Precipitation (mm/h), Wind Speed (mph):
000102030405060708091011121314151617181920212223
686868686866666666687072727272727272706866666666
1.41.82.31.81.40.91.11.41.61.10.60.10.10.20.20.10.10000000
666667778911121212121111111099877

Weather in Orlando for Friday, 26 Oct 2018

Sunrise: 07:37
Sunset: 18:44
Moonrise: 20:32
Moonset: 09:23
UV Index: 5
02:0005:0008:0011:0014:0017:0020:0023:00
OvercastOvercastHeavy rainCloudyCloudyCloudyPartly cloudyPatchy rain possible
Temperature66°F64°F64°F70°F73°F73°F70°F68°F
Feels Like68°F66°F66°F72°F75°F75°F72°F70°F
Precipitation0 mm0 mm10.4 mm0 mm0 mm0 mm0 mm0.1 mm
Probability0 %0 %65 %0 %0 %0 %0 %60 %
Cloud Cover93 %91 %100 %81 %73 %72 %59 %95 %
Wind Speed6 mph6 mph6 mph8 mph9 mph8 mph8 mph4 mph
Wind DirectionNNWNNWNNWNNNENNENNW
Wind Gusts10 mph11 mph6 mph9 mph10 mph9 mph9 mph12 mph
Humidity86 %85 %90 %79 %67 %67 %81 %88 %
Pressure1015 mb1012 mb1015 mb1014 mb1014 mb1013 mb1013 mb1013 mb
Dew Point64°F63°F63°F64°F64°F64°F66°F66°F
Heat Index68°F66°F66°F72°F75°F75°F72°F70°F
Wind Chill68°F66°F66°F72°F75°F75°F72°F70°F
Visibility6 mi6 mi3 mi6 mi6 mi6 mi6 mi6 mi
Hourly weather conditions, Temperature (°F), Precipitation (mm/h), Wind Speed (mph):
000102030405060708091011121314151617181920212223
666666666664646464666870727373737373737270707068
0000003.56.910.46.93.5000000000000.10.1
766666666778899988888754

Weather in Orlando for Saturday, 27 Oct 2018

Sunrise: 07:38
Sunset: 18:43
Moonrise: 21:20
Moonset: 10:26
UV Index: 5
02:0005:0008:0011:0014:0017:0020:0023:00
OvercastPartly cloudyPartly cloudySunnySunnyModerate rain at timesModerate rain at timesClear
Temperature66°F64°F64°F72°F77°F75°F68°F66°F
Feels Like68°F66°F66°F73°F79°F77°F68°F66°F
Precipitation0 mm0 mm0 mm0 mm0 mm0.1 mm0.8 mm0.7 mm
Probability0 %0 %0 %0 %0 %14 %83 %69 %
Cloud Cover92 %30 %38 %0 %0 %12 %71 %59 %
Wind Speed3 mph3 mph6 mph8 mph9 mph9 mph8 mph7 mph
Wind DirectionNWWNWWNWWNWWWWNWWNW
Wind Gusts14 mph11 mph9 mph9 mph11 mph12 mph16 mph15 mph
Humidity91 %92 %92 %74 %46 %52 %78 %78 %
Pressure1012 mb1012 mb1012 mb1008 mb1007 mb1007 mb1005 mb1005 mb
Dew Point64°F64°F63°F64°F55°F55°F61°F59°F
Heat Index68°F66°F66°F73°F79°F77°F68°F66°F
Wind Chill68°F66°F66°F73°F77°F75°F68°F66°F
Visibility6 mi6 mi6 mi6 mi6 mi6 mi6 mi6 mi
Hourly weather conditions, Temperature (°F), Precipitation (mm/h), Wind Speed (mph):
000102030405060708091011121314151617181920212223
686866666664646464687072737577757575757368666666
0.1000000000000000.10.10.10.10.30.80.70.70.7
433333456778999999998777

Weather in Orlando for Sunday, 28 Oct 2018

Sunrise: 07:38
Sunset: 18:42
Moonrise: 22:13
Moonset: 11:29
UV Index: 4
02:0005:0008:0011:0014:0017:0020:0023:00
ClearClearSunnyPartly cloudyPartly cloudySunnyClearPartly cloudy
Temperature64°F63°F61°F64°F82°F79°F64°F64°F
Feels Like64°F63°F61°F64°F82°F79°F64°F64°F
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability0 %0 %0 %0 %0 %0 %0 %0 %
Cloud Cover0 %0 %0 %0 %2 %2 %0 %2 %
Wind Speed6 mph6 mph5 mph6 mph9 mph9 mph6 mph6 mph
Wind DirectionWSWWWNWWNWWSWWWNWNW
Wind Gusts12 mph12 mph9 mph10 mph11 mph12 mph14 mph12 mph
Humidity79 %79 %79 %73 %43 %43 %41 %47 %
Pressure1008 mb1008 mb1012 mb1012 mb1008 mb1009 mb1014 mb1014 mb
Dew Point57°F57°F54°F54°F57°F55°F41°F45°F
Heat Index64°F63°F61°F64°F82°F79°F64°F64°F
Wind Chill64°F63°F61°F64°F82°F79°F64°F64°F
Visibility6 mi6 mi6 mi6 mi6 mi6 mi6 mi6 mi
Hourly weather conditions, Temperature (°F), Precipitation (mm/h), Wind Speed (mph):
000102030405060708091011121314151617181920212223
666664636363636361646464646882797979797764646464
0.70.50000000000000000000000
776666665666669999996666

Weather in Orlando for Monday, 29 Oct 2018

Sunrise: 07:39
Sunset: 18:42
Moonrise: 23:11
Moonset: 12:29
UV Index: 5
02:0005:0008:0011:0014:0017:0020:0023:00
Partly cloudyClearSunnyPatchy rain possiblePatchy rain possiblePartly cloudyPartly cloudyCloudy
Temperature66°F64°F55°F59°F77°F75°F64°F63°F
Feels Like66°F64°F54°F57°F79°F75°F64°F63°F
Precipitation0 mm0 mm0 mm0 mm0.2 mm0.2 mm0 mm0 mm
Probability0 %0 %0 %12 %70 %58 %0 %0 %
Cloud Cover10 %8 %0 %15 %89 %74 %2 %13 %
Wind Speed4 mph4 mph6 mph6 mph4 mph4 mph5 mph6 mph
Wind DirectionNNNWNNWWNWNEENWNW
Wind Gusts7 mph8 mph12 mph11 mph4 mph6 mph11 mph11 mph
Humidity75 %73 %65 %62 %49 %48 %43 %45 %
Pressure1010 mb1012 mb1020 mb1018 mb1011 mb1013 mb1021 mb1020 mb
Dew Point59°F55°F43°F45°F57°F54°F41°F41°F
Heat Index66°F64°F55°F59°F79°F75°F64°F63°F
Wind Chill66°F64°F54°F57°F77°F75°F64°F63°F
Visibility6 mi6 mi6 mi6 mi6 mi6 mi6 mi6 mi
Hourly weather conditions, Temperature (°F), Precipitation (mm/h), Wind Speed (mph):
000102030405060708091011121314151617181920212223
646666646464646355595959596377757575757364636363
00000000000000.10.20.20.20.20.20.10000
664444446666664444445666

Weather in Orlando for Tuesday, 30 Oct 2018

Sunrise: 07:40
Sunset: 18:41
Moonrise: 19:00
Moonset: 13:27
UV Index: 5
02:0005:0008:0011:0014:0017:0020:0023:00
CloudyClearSunnySunnySunnySunnyClearPartly cloudy
Temperature59°F59°F54°F55°F64°F64°F63°F61°F
Feels Like59°F57°F52°F54°F64°F64°F63°F59°F
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability0 %0 %0 %0 %0 %0 %0 %0 %
Cloud Cover71 %59 %0 %0 %0 %0 %0 %6 %
Wind Speed8 mph7 mph6 mph6 mph11 mph9 mph5 mph5 mph
Wind DirectionNNWNNWNNWNNWNWWNEE
Wind Gusts13 mph13 mph11 mph11 mph12 mph12 mph9 mph11 mph
Humidity53 %54 %60 %56 %35 %37 %49 %48 %
Pressure1015 mb1017 mb1025 mb1024 mb1020 mb1021 mb1026 mb1026 mb
Dew Point43°F41°F39°F39°F36°F37°F45°F41°F
Heat Index59°F59°F54°F55°F64°F64°F63°F61°F
Wind Chill59°F57°F52°F54°F64°F64°F63°F59°F
Visibility6 mi6 mi6 mi6 mi6 mi6 mi6 mi6 mi
Hourly weather conditions, Temperature (°F), Precipitation (mm/h), Wind Speed (mph):
000102030405060708091011121314151617181920212223
636359595959595754555555555764646464646463616161
000000000000000000000000
6687777766666711999995555

Weather in Orlando for Wednesday, 31 Oct 2018

Sunrise: 07:41
Sunset: 18:40
Moonrise: 00:13
Moonset: 14:19
UV Index: 4
02:0005:0008:0011:0014:0017:0020:0023:00
Partly cloudyClearSunnyPartly cloudyPartly cloudyPartly cloudyPartly cloudyPartly cloudy
Temperature45°F48°F59°F59°F55°F57°F66°F63°F
Feels Like41°F45°F59°F59°F52°F55°F66°F63°F
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability0 %0 %0 %0 %0 %0 %0 %0 %
Cloud Cover35 %29 %0 %2 %10 %9 %6 %11 %
Wind Speed7 mph7 mph5 mph6 mph9 mph8 mph5 mph5 mph
Wind DirectionNNWWNNEENENNWWNWNEE
Wind Gusts14 mph13 mph10 mph10 mph10 mph10 mph9 mph10 mph
Humidity41 %46 %70 %62 %24 %31 %66 %63 %
Pressure1026 mb1026 mb1028 mb1028 mb1028 mb1028 mb1027 mb1027 mb
Dew Point23°F27°F50°F45°F19°F25°F54°F50°F
Heat Index45°F48°F59°F59°F55°F57°F66°F63°F
Wind Chill41°F45°F59°F59°F52°F55°F66°F63°F
Visibility6 mi6 mi6 mi6 mi6 mi6 mi6 mi6 mi
Hourly weather conditions, Temperature (°F), Precipitation (mm/h), Wind Speed (mph):
000102030405060708091011121314151617181920212223
615745484848485059595959595955575757575966636363
000000000000000000000000
567777775666669888875555

Weather forecast interval

States in U.S.

Counties in Florida state

Major cities in Florida state

Cities in Orange county

Short Term Forecast

Long Term Forecast