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Winter Weather Advisory WINTER WEATHER ADVISORY - Fairfax

Regional Radar Regional Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.
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Updated: @ 18-Jan-2026 4:15am  
Summary / Temperature Wind Rain Outlook
Overcast Overcast
Currently: 36.7, Max: 36.7, Min: 35.1 36.7°F
Warmer 0.7°F than last hour.

Cold

Feels like: 37°F

  Today Yesterday
High: 36.7°F
4:12am 		43.5°F
3:33pm
Low: 35.1°F
12:00am 		33.3°F
8:51pm
Calm S
0
Gust:
 0 mph
0 Bft - Calm
Today: 2 mph 3:46am
Gust Month: 27.1 mph January 11
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0.02 in
This Month: 0.86 in
Season Total: 0.84 in
2 rain days in January.
Sunday

Sunday: Rain And Snow Likely
Rain And Snow Likely
Humidity & Barometer Almanac Moon
Humidity: 86 %  
Dew Point: 32.9°F Increased 0.7°F since last hour.
Barometer: 29.93 inHg Falling 0.01 inHg/hr
Baro Trend: Steady
Sunrise: 7:24am
Sunset: 5:14pm
Moonrise: 7:36am
Moonset: 5:05pm
New Moon
New Moon, Moon at 0 days in cycle
0%
Illuminated
UV Index Forecast UV Index Forecast
18-Jan-2026
1.4     Low 
19-Jan-2026
1.7     Low 
 NWS Weather Forecast  - Outlook: Overnight & Sunday
Overnight

Overnight: Rain And Snow Likely
Rain And Snow Likely

Lo 32 °F		 NWS forecast: Rain and snow likely. Cloudy, with a low around 32. West wind around 3 mph. Chance of precipitation is 70%. New snow accumulation of less than half an inch possible.
Davis VP+ forecast: Increasing clouds with little temperature change.
 
Sunday

Sunday: Rain And Snow Likely
Rain And Snow Likely

Hi 34 °F		 NWS forecast: Rain and snow likely before 5pm. Cloudy, with a high near 34. North wind 6 to 9 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.