National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Areas of Fire Weather, Winter Weather, and Severe Weather Thursday

Continuation of gusty winds and low relative humidity will bring additional periods of critical fire weather to the southern Plains Thursday and Friday. Another Pacific storm will continue gusty winds and heavy snow over the western mountains into Thursday. Severe thunderstorms are possible across parts of the middle Mississippi into lower Ohio Valleys Thursday afternoon into early evening. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

Lat: 38.2075°NLon: 122.27944°WElev: 33.0ft.

Rain

45°F

7°C

Humidity 93%
Wind Speed WSW 8 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 18 Feb 09:00 PM PST
Extended Forecast for

Napa CA

  • Tonight

    Tonight: Rain, mainly after 10pm. Steady temperature around 41. Light south southeast wind becoming southeast 6 to 11 mph after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 41 °F

    Rain

  • Thursday

    Thursday: Rain likely, mainly before noon. Cloudy through mid morning, then gradual clearing, with a high near 51. West northwest wind 8 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Rain Likely
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: Patchy fog after 1am. Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 31. West northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph.

    Low: 31 °F

    Mostly Clear
    then Frost
    and Patchy
    Fog

  • Friday

    Friday: Patchy fog before 9am. Widespread frost, mainly before 8am. Otherwise, partly sunny, with a high near 51. Calm wind.

    High: 51 °F

    Frost and
    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Patchy Fog

  • Saturday

    Saturday: A 30 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 54. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly after 10pm. Cloudy, with a low around 45. Chance of precipitation is 70%.

    Low: 45 °F

    Rain Likely

  • Sunday

    Sunday: Rain. Cloudy, with a high near 58.

    High: 58 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Cloudy, with a low around 52.

    Low: 52 °F

    Rain

Detailed Forecast

Tonight
Rain, mainly after 10pm. Steady temperature around 41. Light south southeast wind becoming southeast 6 to 11 mph after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain likely, mainly before noon. Cloudy through mid morning, then gradual clearing, with a high near 51. West northwest wind 8 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Patchy fog after 1am. Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 31. West northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Friday
Patchy fog before 9am. Widespread frost, mainly before 8am. Otherwise, partly sunny, with a high near 51. Calm wind.
Friday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 35. Calm wind.
Saturday
A 30 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 54. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain likely, mainly after 10pm. Cloudy, with a low around 45. Chance of precipitation is 70%.
Sunday
Rain. Cloudy, with a high near 58.
Sunday Night
Rain. Cloudy, with a low around 52.
Monday
Rain. Cloudy, with a high near 60.
Monday Night
Rain. Cloudy, with a low around 49.
Tuesday
Rain. Mostly cloudy, with a high near 59.
Tuesday Night
Rain. Mostly cloudy, with a low around 44.
Wednesday
Rain likely. Mostly cloudy, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Napa CA
 38.29°N 122.29°W (Elev. 20 ft)
Last Update:
5:13 pm PST Feb 18, 2026
Forecast Valid:
9pm PST Feb 18, 2026-6pm PST Feb 25, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation