Arctic Air Mass Lingers for Areas of the East; Critical Fire Weather for the Plains; Active Weather Pattern for Hawaii

Arctic air lingers for the east, however, winds will slowly subside and a slow moderating trend starts during the week. Moisture continues to provide rainfall and higher elevation snow for the Pacific Northwest, northern California and northern Rockies through Monday. For the State of Hawaii, dangerous surf conditions with strong winds and heavy rainfall will impact the islands through Monday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Fog

49°F

9°C

Humidity 100%
Wind Speed WSW 3 MPH
Barometer 30.35 in (1027.77 mb)
Dewpoint 49°F (9°C)
Visibility 0.50 mi
Last update 08 Feb 10:04 AM PST
Extended Forecast for

3 Miles NNW Lake Berryessa CA

  • Today

    Today: Mostly sunny, with a high near 67. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Tonight

    Tonight: A 10 percent chance of rain before 7pm.  Patchy fog between 11pm and 3am.  Otherwise, mostly cloudy, with a low around 45. West northwest wind 5 to 7 mph.

    Low: 45 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Areas
    Fog

  • Monday

    Monday: Mostly cloudy, with a high near 66. North northwest wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 66 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Cloudy

  • Tuesday

    Tuesday: A chance of rain before 4pm, then showers likely after 4pm.  Mostly cloudy, with a high near 59. Light and variable wind.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then a chance of rain after 1am.  Patchy fog after midnight.  Otherwise, mostly cloudy, with a low around 42. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 42 °F

    Showers
    Likely and
    Patchy Fog

  • Wednesday

    Wednesday: A 50 percent chance of rain.  Areas of fog before 11am.  Otherwise, partly sunny, with a high near 59.

    High: 59 °F

    Chance Rain
    and Areas Fog

  • Wednesday Night

    Wednesday Night: A chance of rain before 10pm.  Patchy fog after 1am.  Otherwise, partly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain
    then Patchy
    Fog

  • Thursday

    Thursday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 67. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Tonight
A 10 percent chance of rain before 7pm. Patchy fog between 11pm and 3am. Otherwise, mostly cloudy, with a low around 45. West northwest wind 5 to 7 mph.
Monday
Mostly cloudy, with a high near 66. North northwest wind 6 to 9 mph, with gusts as high as 20 mph.
Monday Night
Cloudy, with a low around 44. Calm wind.
Tuesday
A chance of rain before 4pm, then showers likely after 4pm. Mostly cloudy, with a high near 59. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then a chance of rain after 1am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 42. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 50 percent chance of rain. Areas of fog before 11am. Otherwise, partly sunny, with a high near 59.
Wednesday Night
A chance of rain before 10pm. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 38.
Friday
A slight chance of rain. Partly sunny, with a high near 62.
Friday Night
A chance of rain. Mostly cloudy, with a low around 39.
Saturday
Rain. Mostly cloudy, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Lake Berryessa CA
 38.61°N 122.28°W (Elev. 554 ft)
9:00 am PST Feb 8, 2026
10am PST Feb 8, 2026-6pm PST Feb 14, 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