Weather for the next 8 days in Herndon, Virginia state, USA

Weather in Herndon for today, Wednesday, 26 Aug 2026

Sunrise: 06:32
Sunset: 19:48
Moonrise: 19:10
Moonset: 04:45
UV Index: 8
02:0005:0008:0011:0014:0017:0020:0023:00
Overcast Clear SunnyOvercast SunnyPartly Cloudy Overcast Overcast
Temperature68°F64°F68°F81°F88°F90°F79°F75°F
Feels Like68°F64°F68°F82°F86°F88°F81°F79°F
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability21 %8 %10 %13 %1 %2 %13 %15 %
Cloud Cover100 %0 %1 %98 %7 %32 %100 %100 %
Wind Speed1 mph3 mph1 mph5 mph8 mph7 mph9 mph9 mph
Wind DirectionWNSESSSWSSWSESSE
Wind Gusts2 mph3 mph2 mph7 mph11 mph11 mph22 mph28 mph
Humidity75 %77 %83 %58 %31 %30 %54 %61 %
Dew Point59°F57°F63°F64°F52°F54°F61°F61°F
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Weather in Herndon for tomorrow, Thursday, 27 Aug 2026

Sunrise: 06:32
Sunset: 19:46
Moonrise: 19:35
Moonset: 05:50
UV Index: 8
02:0005:0008:0011:0014:0017:0020:0023:00
Patchy rain nearbyLight rain showerLight rain showerPatchy rain nearbyPartly Cloudy Overcast Patchy rain nearbyOvercast
Temperature72°F68°F68°F72°F86°F84°F77°F73°F
Feels Like77°F68°F68°F72°F88°F88°F81°F77°F
Precipitation0 mm1.8 mm1 mm0.1 mm0 mm0 mm0.1 mm0 mm
Probability21 %79 %73 %36 %4 %11 %28 %32 %
Cloud Cover100 %100 %97 %81 %52 %100 %100 %100 %
Wind Speed7 mph7 mph7 mph5 mph10 mph10 mph7 mph4 mph
Wind DirectionSSSSSSSESEESE
Wind Gusts27 mph25 mph24 mph20 mph16 mph15 mph18 mph15 mph
Humidity71 %91 %92 %89 %42 %50 %79 %93 %
Dew Point63°F66°F66°F68°F61°F64°F70°F72°F
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Weather in Herndon for Friday, 28 Aug 2026

Sunrise: 06:33
Sunset: 19:45
Moonrise: 19:58
Moonset: 06:55
UV Index: 6
02:0005:0008:0011:0014:0017:0020:0023:00
MistMistLight rain showerOvercast Overcast Overcast Overcast Overcast
Temperature72°F72°F72°F75°F84°F84°F79°F73°F
Feels Like77°F72°F72°F79°F86°F86°F81°F77°F
Precipitation0 mm0 mm1.1 mm0 mm0 mm0 mm0 mm0 mm
Probability38 %38 %76 %25 %13 %12 %15 %17 %
Cloud Cover100 %100 %100 %100 %100 %100 %100 %100 %
Wind Speed2 mph2 mph3 mph4 mph7 mph2 mph2 mph8 mph
Wind DirectionSWWNWNWWSWWNWNNWNNWN
Wind Gusts6 mph3 mph5 mph6 mph8 mph6 mph2 mph22 mph
Humidity96 %95 %95 %82 %54 %52 %63 %66 %
Dew Point70°F70°F70°F70°F66°F64°F64°F63°F
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Weather in Herndon for Saturday, 29 Aug 2026

Sunrise: 06:34
Sunset: 19:43
Moonrise: 20:21
Moonset: 07:59
UV Index: 7
02:0005:0008:0011:0014:0017:0020:0023:00
Overcast Overcast Overcast Cloudy Overcast SunnyOvercast Overcast
Temperature70°F66°F64°F73°F81°F82°F73°F70°F
Feels Like70°F66°F64°F75°F81°F81°F77°F70°F
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability20 %14 %14 %7 %8 %2 %11 %12 %
Cloud Cover100 %100 %100 %78 %91 %23 %91 %95 %
Wind Speed8 mph7 mph6 mph5 mph4 mph3 mph6 mph3 mph
Wind DirectionNNNNENNNNWSEESE
Wind Gusts19 mph19 mph13 mph6 mph4 mph12 mph11 mph6 mph
Humidity73 %60 %59 %41 %34 %35 %53 %55 %
Dew Point61°F52°F50°F48°F50°F52°F54°F54°F
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Weather in Herndon for Sunday, 30 Aug 2026

Sunrise: 06:35
Sunset: 19:42
Moonrise: 20:45
Moonset: 09:05
UV Index: 8
02:0005:0008:0011:0014:0017:0020:0023:00
Clear Clear SunnySunnyPartly Cloudy SunnyOvercast Overcast
Temperature68°F66°F70°F79°F86°F88°F79°F75°F
Feels Like68°F66°F70°F81°F88°F90°F81°F79°F
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability4 %10 %9 %3 %4 %2 %19 %24 %
Cloud Cover0 %0 %0 %5 %40 %19 %100 %95 %
Wind Speed2 mph3 mph3 mph5 mph7 mph9 mph8 mph6 mph
Wind DirectionESESESSESSSSWSSES
Wind Gusts2 mph9 mph6 mph7 mph9 mph16 mph18 mph21 mph
Humidity64 %83 %79 %56 %45 %44 %73 %83 %
Dew Point55°F61°F63°F63°F63°F63°F68°F70°F
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Weather in Herndon for Monday, 31 Aug 2026

Sunrise: 06:36
Sunset: 19:40
Moonrise: 21:11
Moonset: 10:13
UV Index: 9
02:0005:0008:0011:0014:0017:0020:0023:00
Overcast Cloudy Partly Cloudy Cloudy Partly Cloudy Overcast Overcast Overcast
Temperature73°F72°F73°F86°F95°F95°F86°F84°F
Feels Like77°F77°F77°F90°F97°F97°F88°F86°F
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability27 %25 %13 %7 %4 %8 %10 %11 %
Cloud Cover94 %82 %41 %71 %53 %90 %100 %97 %
Wind Speed6 mph5 mph6 mph6 mph6 mph6 mph4 mph2 mph
Wind DirectionSSWSWWSWWSWWWSWNNESSW
Wind Gusts21 mph17 mph12 mph9 mph9 mph9 mph7 mph4 mph
Humidity88 %90 %81 %50 %34 %30 %45 %52 %
Dew Point70°F70°F68°F66°F61°F59°F63°F64°F
000102030405060708091011121314151617181920212223

Weather in Herndon for Tuesday, 01 Sep 2026

Sunrise: 06:37
Sunset: 19:39
Moonrise: 21:42
Moonset: 11:24
UV Index: 6
02:0005:0008:0011:0014:0017:0020:0023:00
Overcast Partly Cloudy Cloudy Patchy rain nearbyLight rain showerLight rain showerLight rain showerFog
Temperature81°F77°F75°F82°F82°F75°F73°F72°F
Feels Like82°F79°F79°F84°F84°F79°F77°F72°F
Precipitation0 mm0 mm0 mm0 mm0.2 mm0.2 mm0.3 mm0.1 mm
Probability14 %8 %15 %15 %25 %36 %53 %54 %
Cloud Cover100 %51 %76 %91 %100 %100 %100 %100 %
Wind Speed3 mph4 mph6 mph6 mph6 mph4 mph3 mph2 mph
Wind DirectionWNWNNNENNENNEEESSE
Wind Gusts4 mph12 mph10 mph14 mph17 mph7 mph7 mph5 mph
Humidity59 %64 %73 %60 %61 %80 %93 %98 %
Dew Point64°F64°F66°F66°F68°F68°F70°F72°F
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Weather in Herndon for Wednesday, 02 Sep 2026

Sunrise: 06:38
Sunset: 19:37
Moonrise: 22:18
Moonset: 12:37
UV Index: 5
02:0005:0008:0011:0014:0017:0020:0023:00
Light rain showerModerate or heavy rain showerLight rain showerLight rain showerPatchy rain nearbyPatchy rain nearbyOvercast Clear
Temperature72°F70°F68°F68°F72°F75°F72°F68°F
Feels Like72°F70°F68°F68°F77°F79°F72°F68°F
Precipitation0.5 mm2.6 mm0.6 mm0.2 mm0.1 mm0 mm0 mm0 mm
Probability67 %87 %68 %45 %33 %19 %26 %15 %
Cloud Cover100 %100 %100 %100 %99 %92 %100 %20 %
Wind Speed2 mph6 mph6 mph5 mph4 mph4 mph6 mph3 mph
Wind DirectionWNWNNWNNNENEEESE
Wind Gusts4 mph11 mph14 mph9 mph6 mph6 mph11 mph9 mph
Humidity98 %98 %97 %92 %81 %72 %85 %91 %
Dew Point72°F70°F68°F66°F66°F64°F66°F66°F
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