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: @ 03-Jul-2026 5:45pm  
Summary / Temperature Wind Rain Outlook
Few Clouds Few Clouds
Currently: 100.9, Max: 102.6, Min: 79.9 100.9°F
Colder 0.6°F than last hour.

Extremely Hot

Feels like: 111°F

  Today Yesterday
High: 102.6°F
3:09pm
102°F
3:52pm
Low: 79.9°F
7:20am
78.1°F
7:20am
 Calm WSW
0
Gust:
0 mph
0 Bft - Calm
Today: 8.1 mph 4:50pm
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: Slight Chance Showers And Thunderstorms then Partly Cloudy
Slight Chance Showers And T-Storms then Partly Cloudy
Humidity & Barometer Almanac Moon
Humidity: 40 % Increased 1.9% since last hour.
Dew Point: 72.1°F Increased 0.9°F since last hour.
Barometer: 29.86 inHg Falling 0.02  inHg/hr
Baro Trend: Steady
Sunrise: 5:48am
Sunset: 8:38pm
Moonset: 9:06am
Moonrise: 11:04pm
Waning Gibbous
Waning Gibbous, Moon at 18 days in cycle
86%
Illuminated
UV Index Forecast UV Index Forecast
03-Jul-2026
8.3     Very High 
04-Jul-2026
9.8     Very High 
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Sunny
Sunny

Hi 101 °F
NWS forecast: Sunny, with a high near 101. Heat index values as high as 109. West wind around 7 mph.
Davis VP+ forecast: Mostly cloudy with little temperature change. Precipitation likely.
 
Tonight

Tonight: Slight Chance Showers And Thunderstorms then Partly Cloudy
Slight Chance Showers And T-Storms then Partly Cloudy

Lo 77 °F
NWS forecast: A slight chance of showers and thunderstorms between 7pm and 11pm. Partly cloudy, with a low around 77. Heat index values as high as 107. West wind 2 to 7 mph. Chance of precipitation is 20%. New rainfall amounts between a tenth and quarter of an inch possible.