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 Details for Fairfax Extreme Heat Warning  +1 additional alert
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Extreme Heat Warning EXTREME HEAT WARNING - Fairfax  - Hanover

Regional Radar Regional Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.
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Updated: @ 03-Jul-2026 9:00am  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 86.7, Max: 86.5, Min: 79.9 86.7°F
Warmer 2.7°F than last hour.

Warm

Feels like: 96°F

  Today Yesterday
High: 86.5°F
8:56am 		102°F
3:52pm
Low: 79.9°F
7:20am 		78.1°F
7:20am
Calm NNE
0
Gust:
 0 mph
0 Bft - Calm
Today: 0.9 mph 8:37am
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: 68 % Decreased 6.3% since last hour.
Dew Point: 74.8°F Decreased 0.1°F since last hour.
Barometer: 29.98 inHg  
Baro Trend: Steady
Sunrise: 5:48am
Sunset: 8:38pm
Moonset: 9:06am
Moonrise: 11:04pm
Waning Gibbous
Waning Gibbous, Moon at 17 days in cycle
89%
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: Today & Tonight
Today

Today: Sunny
Sunny

Hi 101 °F		 NWS forecast: Sunny, with a high near 101. Heat index values as high as 112. Northwest wind around 6 mph.
Davis VP+ forecast: Increasing clouds with little temperature change.
 
Tonight

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

Lo 80 °F		 NWS forecast: A slight chance of showers and thunderstorms between 8pm and midnight. Partly cloudy, with a low around 80. Heat index values as high as 108. West wind around 6 mph. Chance of precipitation is 20%.