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 5:35pm  
Summary / Temperature Wind Rain Outlook
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Currently: 75.7, Max: 105.1, Min: 75.2 75.7°F
Colder 4.0°F than last hour.

Comfortable

Feels like: 76°F

  Today Yesterday
High: 105.1°F
3:45pm
103.3°F
4:35pm
Low: 75.2°F
5:13pm
76.6°F
5:55am
 Wind from W W
0
Gust:
0.9 mph
0 Bft - Calm
Today: 17 mph 4:55pm
Gust Month: 8.9 mph July 01
Rain Today: 0.59 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
This Month: 0 in
Season Total: 13 in
0 day since last rain.
Tonight

Tonight: Chance Showers And Thunderstorms then Mostly Cloudy
Chance Showers And T-Storms then Mostly Cloudy
Humidity & Barometer Almanac Moon
Humidity: 93 % Increased 10.7% since last hour.
Dew Point: 73.6°F Decreased 0.1°F since last hour.
Barometer: 29.86 inHg Falling 0.01  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
79%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 7.3 @ 1:29pm
14.0 W/m2 (1 %)
High: 986 @  12:52pm
 NWS Weather Forecast  - Outlook: Independence Day & Tonight
Independence
Day
Independence Day: Chance Showers And Thunderstorms
Chance Showers And T-Storms

Hi 100 °F
NWS forecast: A chance of showers and thunderstorms. Some of the storms could be severe. Mostly sunny, with a high near 100. Heat index values as high as 108. South wind around 6 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.
 
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. Heat index values as high as 100. Southwest wind 1 to 6 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.