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 11:25am  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 98.8, Max: 98.4, Min: 76.6 98.8°F
Warmer 1.6°F than last hour.

Heat Danger

Feels like: 124°F

  Today Yesterday
High: 98.4°F
11:21am
103.3°F
4:35pm
Low: 76.6°F
5:17am
76.6°F
5:55am
 Calm E
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: 59 % Decreased 3.0% since last hour.
Dew Point: 81.9°F  
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
81%
Illuminated
UV Index Solar Radiation
   5.6     Medium 
High: 5.6 @ 11:23am
874.0 W/m2 (83 %)
High: 872 @  11:22am
 NWS Weather Forecast  - Outlook: Independence Day & Tonight
Independence
Day
Independence Day: Sunny then Chance Showers And Thunderstorms
Sunny then Chance Showers And T-Storms

Hi 100 °F
NWS forecast: A chance of showers and thunderstorms after 2pm. Sunny, with a high near 100. Heat index values as high as 109. South wind 3 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. Heat index values as high as 100. Southwest wind 0 to 6 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.