Heat Advisory HEAT ADVISORY - Fairfax

Regional Radar Regional Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.
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Updated: @ 15-Jul-2026 4:30pm  
Summary / Temperature Wind Rain Outlook
Partly cloudy Partly cloudy
Currently: 97.5, Max: 97.9, Min: 70.9 97.5°F
 

Extremely Hot

Feels like: 104°F

  Today Yesterday
High: 97.9°F
3:57pm
91.8°F
3:40pm
Low: 70.9°F
7:13am
74.8°F
8:56am
 Wind from WNW WNW
0.9
Gust:
0 mph
0 Bft - Calm
Today: 10.1 mph 2:31pm
Gust Month: 19.9 mph July 04
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
This Month: 0.03 in
Season Total: 3.36 in
day since last rain.
Tonight

Tonight: Partly Cloudy
Partly Cloudy
Humidity & Barometer Almanac Moon
Humidity: 40 % Decreased 1.8% since last hour.
Dew Point: 69.1°F Decreased 1.2°F since last hour.
Barometer: 29.83 inHg  
Baro Trend: Steady
Sunrise: 5:56am
Sunset: 8:33pm
Moonrise: 7:10am
Moonset: 9:48pm
Waxing Crescent
Waxing Crescent, Moon at 2 days in cycle
3%
Illuminated
UV Index Forecast UV Index Forecast
15-Jul-2026
9.2     Very High 
16-Jul-2026
9.4     Very High 
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Sunny
Sunny

Hi 99 °F
NWS forecast: Sunny, with a high near 99. Heat index values as high as 102. Southwest wind around 8 mph.
Davis VP+ forecast: Increasing clouds with little temperature change. Precipitation possible and windy within 6 hours.
 
Tonight

Tonight: Partly Cloudy
Partly Cloudy

Lo 76 °F
NWS forecast: Partly cloudy, with a low around 76. Heat index values as high as 103. West wind 5 to 8 mph.