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Thompson, California Weather Forecast
Thompson, California Weather
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Weather Forecast for Thompson, California : Napa County
Issued: 12:26 am PST Dec 18, 2025 Latitude: 38.2390829 Longitude: -122.2816395 View on Google Maps

MouseOver for Detail Forecast
Overnight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
Fog on Overnight Widespread Fog on Thursday 80% chance of rain on Friday 80% chance of rain on Saturday Thunderstorms on Sunday 70% chance of rain on Monday 70% chance of rain on Tuesday 70% chance of rain on Wednesday
Low: 45°F High: 57°F High: 56°F High: 54°F High: 57°F High: 55°F High: 51°F High: 52°F
Low: 52°F Low: 51°F Low: 52°F Low: 50°F Low: 46°F Low: 46°F  
Fog Widespread Fog Rain Rain Thunderstorms Rain Rain Rain
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Current Conditions at
NAPA - (KAPC)
46°
Cloudy
Mist
as of 12:54 AM PST
Rel. Humidity: 100%
Dew Point: 46°F
Visibility: 5 Miles
Pressure: 30.16 in.
Flight Rule: LIFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 200ft
Current Conditions at
TRAVIS AFB - (KSUU)
54°
Cloudy
Mist
as of 12:55 AM PST
Rel. Humidity: 87%
Dew Point: 50°F
Visibility: 4 Miles
Pressure: 30.14 in.
Flight Rule: IFR
Wind Data
3 MPH
280° West
Cloud Level(s): Solid Overcast at 600ft
Current Conditions at
VACAVILLE - (KVCB)
54°
Cloudy
as of 12:53 AM PST
Rel. Humidity: 87%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 1600ft
Current Conditions at
CONCORD - (KCCR)
52°
Cloudy
Mist
as of 12:53 AM PST
Rel. Humidity: 100%
Dew Point: 52°F
Visibility: 5 Miles
Pressure: 30.16 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 1500ft
Fog on Overnight Overnight... Widespread dense fog. Otherwise, cloudy, with a low around 45. Calm wind.
Widespread Fog on Thursday Thursday... Widespread fog, mainly before 10am. Otherwise, mostly cloudy, with a high near 57. Light and variable wind.
40% chance of rain Thursday Night Thursday Night... A 40 percent chance of rain. Patchy fog after 7pm. Otherwise, cloudy, with a steady temperature around 52. Calm wind.
80% chance of rain Friday Friday... Rain, mainly after 10am. High near 56. Light south wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
80% chance of rain Friday Night Friday Night... Rain, mainly before 10pm. Areas of fog after 4am. Low around 51. South southwest wind 3 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
80% chance of rain Saturday Saturday... Rain, mainly after 10am. Areas of fog before 10am. High near 54. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
90% chance of thunderstorms Saturday Night Saturday Night... Rain before 10pm, then showers and possibly a thunderstorm after 10pm. Low around 52. Chance of precipitation is 90%.
Thunderstorms on Sunday Sunday... Showers and possibly a thunderstorm. Cloudy, with a high near 57.
Rain on Sunday Night Sunday Night... Rain. Cloudy, with a low around 50.
70% chance of rain Monday Monday... Rain likely. Mostly cloudy, with a high near 55.
70% chance of rain Monday Night Monday Night... Rain likely. Patchy fog. Otherwise, cloudy, with a low around 46.
70% chance of rain Tuesday Tuesday... Rain likely. Patchy fog. Otherwise, mostly cloudy, with a high near 51.
Rain on Tuesday Night Tuesday Night... Rain. Cloudy, with a low around 46.
70% chance of rain Wednesday Wednesday... Rain likely. Mostly cloudy, with a high near 52.
Current Radar Image


Sun Almanac for Thompson, California
Sunrise: 07:21 AM
Sunset: 4:51 PM
Civil Sunrise:06:51 AM
Civil Sunset: 5:21 PM
Nautical Sunrise: 06:18 AM
Nautical Sunset: 5:54 PM
Astro Sunrise: 05:46 AM
Astro Sunset: 6:26 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.