Extreme Heat Warning EXTREME HEAT WARNING - Fairfax City  - 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 8:35am  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 84.0, Max: 83.7, Min: 76.6 84°F
Warmer 3.9°F than last hour.

Warm

Feels like: 99°F

  Today Yesterday
High: 83.7°F
8:33am
103.3°F
4:35pm
Low: 76.6°F
5:17am
76.6°F
5:55am
 Calm W
0
Gust:
0 mph
0 Bft - Calm
Today: 2.9 mph 3:53am
Gust Month: 8.9 mph July 01
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
This Month: 0 in
Season Total: 13 in
day since last rain.
Tonight

Tonight: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Humidity & Barometer Almanac Moon
Humidity: 92 % Decreased 1.9% since last hour.
Dew Point: 81.5°F Increased 3.3°F since last hour.
Barometer: 29.96 inHg  
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
82%
Illuminated
UV Index Solar Radiation
   1.1     Low 
High: 1.1 @ 8:27am
406.0 W/m2 (39 %)
High: 401 @  8:32am
 NWS Weather Forecast  - Outlook: Independence Day & Tonight
Independence
Day
Independence Day: Mostly Sunny then Chance Showers And Thunderstorms
Mostly Sunny then Chance Showers And T-Storms

Hi 100 °F
NWS forecast: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 100. Heat index values as high as 109. South wind 0 to 7 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Davis VP+ forecast: Increasing clouds with little temperature change.
 
Tonight

Tonight: Chance Showers And Thunderstorms
Chance Showers And T-Storms

Lo 73 °F
NWS forecast: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 73. Southwest wind 0 to 6 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.