NWS logo NOAA seal

Current Conditions and
Forecast from NWS/IWIN

Enter your "Place, State", US Zip Code or ICAO:  
NowCast ZoneCast Warnings/Advisories Hourly Track Special Radar
Great Falls, Virginia (22066)  Lat: 39.00N, Lon: 77.29W
Wx Zone: VAZ053
Current Conditions
Updated:
Sun & Moon Information:
Temp: N/A
Humidity: N/A
Wind Speed: N/A
Barometer: N/A
Dewpoint: N/A
Heat Index: N/A
Wind Chill: N/A
Civil Twilight: 5:29 AM EDT Moon Phase:
Waxing Crescent Moon
Waxing Crescent Moon
Sunrise: 5:59 AM EDT
Sunset: 8:09 PM EDT
Civil Twilight: 8:39 PM EDT
Forecast for Great Falls, Virginia:
Dated: 134 AM EDT SAT MAY 11 2024    Expires: 500 AM EDT WED DEC 11 2024
NOTE: The Forecast Data has Expired
7 Day View   
OVERNIGHTSATURDAYSATURDAY
NIGHT
SUNDAYSUNDAY
NIGHT
DrizzleMostly SunnyChance of T-StormPartly SunnyPartly Cloudy
DrizzleMostly
Sunny
Chance
Of
T-Storm
Partly
Sunny
Partly
Cloudy
Lo: 49°F Hi: 65°F
Lo: 50°F Hi: 69°F
Lo: 49°F
Pop: 90%
ZoneCast:
Dated: 134 AM EDT SAT MAY 11 2024    Expires: 500 AM EDT WED DEC 11 2024
NOTE: The Forecast Data has Expired
Includes the Counties: Fairfax, Including The Cities Of Reston, Herndon, Annandale, Centreville, Chantilly, Mclean, And Franconia
Overnight...Mostly cloudy with scattered sprinkles with areas of drizzle. Lows in the upper 40s. North winds around 5 mph.
Saturday...Mostly sunny. Highs in the mid 60s. North winds around 5 mph, becoming south around 5 mph in the afternoon.
Saturday Night...Showers with a slight chance of thunderstorms in the evening, then showers likely after midnight. Lows around 50. South winds around 5 mph. Chance of rain 90 percent.
Sunday...Partly sunny. Highs in the upper 60s. Northwest winds 10 to 15 mph.
Sunday Night...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s. North winds 5 to 10 mph, becoming south after midnight.
Monday...Sunny. Highs in the mid 70s.
Monday Night...Mostly cloudy. Lows in the upper 50s.
Tuesday...Showers likely with a chance of thunderstorms. Highs in the lower 70s. Chance of rain 70 percent.
Tuesday Night...Showers with a chance of thunderstorms. Lows in the lower 60s. Chance of rain 80 percent.
Wednesday...Showers likely with a chance of thunderstorms. Highs in the mid 70s. Chance of rain 60 percent.
Wednesday Night...Partly cloudy with a chance of showers and thunderstorms. Lows in the upper 50s. Chance of rain 30 percent.
Thursday...Mostly sunny. Highs in the mid 70s.
Thursday Night...Partly cloudy. Lows in the upper 50s.
Friday...Mostly cloudy with a 50 percent chance of showers. Highs in the mid 70s.

US Forecasts are Public Domain and derived from the
National Weather Service - (IWIN) and the National Oceanic Atmospheric Administration (NOAA)
Canadian forecasts are obtained from and are copyright of Environment Canada.

Powered By HAMweather.
Copyright © 2001 - 2003 HAMweather, LLC, all rights reserved.