Flood Watch FLOOD WATCH - Napa  - Vacaville

NWS Northwest Regional Radar WU South West Satellite
Radar/Satellite images courtesy of NOAA/NWS and Weather Underground.
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Updated: @ 21-Dec-2025 8:29pm  
Summary / Temperature Wind Rain Outlook
Light rain, Overcast Light rain, Overcast
Currently: 58.5, Max: 61.7, Min: 55.0 58.5°F
Colder 0.1°F than last hour.

Cool

Feels like: 58°F

24-hr difference
3.6°FWarmer 3.6°F than yesterday at this time.
  Today Yesterday
High: 61.7°F
1:50pm
51.8°F
12:00am
Low: 55°F
12:00am
50.7°F
2:05am
 Wind from S S
4.5
Gust:
4.5 mph
1 Bft - Light air
Today: 14.8 mph 9:45am
Rain Today: 0.43 in
Rain Rate (/hr): 0.05 in
Rain Yesterday: 0 in
Storm Rain: 1.13 in
This Month: 1.33 in
Season Total: 92.57 in
0 day since last rain.
Tonight

Tonight: Rain Showers
Rain Showers
Humidity & Barometer Almanac Moon
Humidity: 97 %  
Dew Point: 57.7°F Decreased 0.1°F since last hour.
Barometer: 29.58 inHg Rising 0.01  inHg/hr
Baro Trend: Steady
Sunrise: 7:21am
Sunset: 4:51pm
Moonrise: 9:00am
Moonset: 6:18pm
Waxing Crescent
Waxing Crescent, Moon at 2 days in cycle
4%
Illuminated
UV Index Solar Radiation
   0    None
High: 1 @ 12:55pm
0 W/m2
High: 166.68 @  1:15pm
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Rain Showers
Rain Showers

Hi 59 °F
NWS forecast: Rain showers. Cloudy. High near 59, with temperatures falling to around 57 in the afternoon. South southwest wind 15 to 18 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
 
Tonight

Tonight: Rain Showers
Rain Showers

Lo 56 °F
NWS forecast: Rain showers. Cloudy. Low around 56, with temperatures rising to around 58 overnight. South southwest wind 6 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
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