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

Regional Radar Regional Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.
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Updated: @ 04-Jul-2026 7:45am  
Summary / Temperature Wind Rain Outlook
Few Clouds Few Clouds
Currently: 79.2, Max: 79.2, Min: 78.6 79.2°F
Warmer 0.5°F than last hour.

Warm

Feels like: 79°F

  Today Yesterday
High: 79.2°F
7:43am
102.6°F
3:09pm
Low: 78.6°F
7:03am
79.9°F
7:20am
 Calm SSE
0
Gust:
0 mph
0 Bft - Calm
Today: 0 mph 7:07am
Gust Month: 8.9 mph July 01
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
This Month: 0.01 in
Season Total: 3.34 in
day since last rain.
Tonight

Tonight: Scattered Showers And Thunderstorms
Scattered Showers And T-Storms
Humidity & Barometer Almanac Moon
Humidity: 72 % Decreased 3.6% since last hour.
Dew Point: 69.3°F Decreased 1.1°F since last hour.
Barometer: 29.91 inHg Rising 0.02  inHg/hr
Baro Trend: Steady
Sunrise: 5:49am
Sunset: 8:38pm
Moonset: 10:09am
Moonrise: 11:27pm
Waning Gibbous
Waning Gibbous, Moon at 18 days in cycle
82%
Illuminated
UV Index Forecast UV Index Forecast
04-Jul-2026
9.4     Very High 
05-Jul-2026
9.9     Very High 
 NWS Weather Forecast  - Outlook: Independence Day & Tonight
Independence
Day
Independence Day: Sunny then Scattered Showers And Thunderstorms
Sunny then Scattered Showers And T-Storms

Hi 98 °F
NWS forecast: Scattered showers and thunderstorms between 3pm and 5pm, then a chance of showers and thunderstorms. Sunny. High near 98, with temperatures falling to around 92 in the afternoon. Heat index values as high as 109. West wind 2 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Davis VP+ forecast: Increasing clouds with little temperature change.
 
Tonight

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

Lo 74 °F
NWS forecast: Scattered showers and thunderstorms before 4am. Mostly cloudy, with a low around 74. Southwest wind 1 to 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.