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Herndon VA Weather

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NowCast ZoneCast Warnings/Advisories Hourly Track Special Radar
Herndon, Virginia, United States (20170)  Lat: 38.97N, Lon: 77.39W
Wx Zone: VAZ053 ICAO Used: KIAD
Current Conditions
Updated: 8:52 PM EST TUE DEC 29 2009
Sun & Moon Information:
Fair
Fair
Temp: 25°F
Humidity: 48%
Wind Speed: NW5.8MPH(5KT)
Barometer: 30.43 in.
Dewpoint: 8°F
Heat Index: 25°F
Wind Chill: 18°F
Civil Twilight: 6:57 AM EST Moon Phase:
Waxing Gibbous Moon
Sunrise: 7:27 AM EST
Sunset: 4:55 PM EST
Civil Twilight: 5:25 PM EST
Forecast for Herndon, Virginia:
Dated: 835 PM EST TUE DEC 29 2009    Expires: 415 AM EST WED DEC 30 2009
7 Day View   
TONIGHT WEDNESDAY WEDNESDAY
NIGHT
THURSDAY THURSDAY
NIGHT
NEW
YEARS
DAY
Clear Partly Sunny Freezing Rain/Sleet Freezing Rain Rain/Snow Chance of Rain/Snow
Clear Partly
Sunny
Freezing
Rain/Sleet
Freezing
Rain
Rain/Snow Chance
Of
Rain/Snow
Lo: 17°F Hi: 39°F
Lo: 29°F Hi: 40°F
Lo: 31°F Hi: 40°F
Pop: 30% Pop: 40% Pop: 60% Pop: 50%
ZoneCast:
Dated: 835 PM EST TUE DEC 29 2009    Expires: 415 AM EST WED DEC 30 2009
Tonight...Clear. Lows around 17. Northwest winds 5 to 10 mph.
Wednesday...Partly sunny. Highs in the upper 30s. South winds 5 to 10 mph.
Wednesday Night...Mostly cloudy. A chance of freezing rain and sleet after midnight. Lows in the upper 20s. South winds around 5 mph. Chance of precipitation 30 percent.
Thursday...A chance of freezing rain in the morning. Cloudy with a chance of rain. Highs around 40. Southeast winds around 5 mph. Chance of precipitation 40 percent.
Thursday Night...Rain or snow likely. Lows in the lower 30s. Chance of precipitation 60 percent.
New Years Day...Mostly cloudy with a chance of rain or snow. Highs around 40. Chance of precipitation 50 percent.
Friday Night...Mostly cloudy. Lows in the lower 20s.
Saturday...Mostly sunny. Highs in the lower 30s.
Saturday Night...Partly cloudy. Lows around 20.
Sunday...Mostly sunny. Highs in the mid 30s.
Sunday Night...Partly cloudy. Lows in the lower 20s.
Monday...Mostly sunny. Highs in the lower 30s.

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