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Extreme Heat Warning EXTREME HEAT WARNING - Fairfax City  - Hanover
Heat Advisory HEAT ADVISORY - Hanover
Air Quality Alert AIR QUALITY ALERT - Fairfax City

Regional Radar Regional Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.
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Updated: @ 04-Jul-2026 7:30pm  
Summary / Temperature Wind Rain Outlook
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Currently: 74.1, Max: 105.1, Min: 73.9 74.1°F
Colder 0.9°F than last hour.

Comfortable

Feels like: 74°F

  Today Yesterday
High: 105.1°F
3:45pm 		103.3°F
4:35pm
Low: 73.9°F
7:27pm 		76.6°F
5:55am
Wind from WSW WSW
2.9
Gust:
 4 mph
1 Bft - Light air
Today: 17 mph 4:55pm
Gust Month: 17.0 mph July 04
Rain Today: 0.62 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
This Month: 0.6 in
Season Total: 13 in
1 rain day in July.
Sunday

Sunday: Mostly Sunny then Chance Showers And Thunderstorms
Mostly Sunny then Chance Showers And T-Storms
Humidity & Barometer Almanac Moon
Humidity: 91 % Decreased 0.1% since last hour.
Dew Point: 71.2°F Decreased 1.0°F since last hour.
Barometer: 29.95 inHg Rising 0.06 inHg/hr
Baro Trend: Steady
Sunrise: 5:53am
Sunset: 8:36pm
Moonset: 10:11am
Moonrise: 11:28pm
Waning Gibbous
Waning Gibbous, Moon at 18 days in cycle
78%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 7.3 @ 1:29pm
0.0 W/m2 (0 %)
High: 986 @  12:52pm
 NWS Weather Forecast  - Outlook: Tonight & Sunday
Tonight

Tonight: Chance Showers And Thunderstorms then Mostly Cloudy
Chance Showers And T-Storms then Mostly Cloudy

Lo 73 °F		 NWS forecast: A chance of showers and thunderstorms before midnight. Some of the storms could be severe. Mostly cloudy, with a low around 73. Southwest wind 1 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Davis VP+ forecast: Increasing clouds with little temperature change.
 
Sunday

Sunday: Mostly Sunny then Chance Showers And Thunderstorms
Mostly Sunny then Chance Showers And T-Storms

Hi 98 °F		 NWS forecast: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 98. Heat index values as high as 104. South wind 1 to 7 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.