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Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Overcast

53°F

12°C

Humidity 89%
Wind Speed E 4 MPH
Barometer 30.37 in (1028.45 mb)
Dewpoint 50°F (10°C)
Visibility 9.00 mi
Last update 28 Jan 01:54 AM PST
Extended Forecast for

5 Miles W Napa Co. Airport CA

  • Overnight

    Overnight: A 50 percent chance of rain. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 47. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday

    Wednesday: Areas of fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 60. Calm wind becoming northwest around 6 mph in the morning.

    High: 60 °F

    Areas Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 9pm. Otherwise, increasing clouds, with a low around 40. Calm wind.

    Low: 40 °F

    Patchy Fog

  • Thursday

    Thursday: Areas of fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 61. Light east northeast wind.

    High: 61 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Fog

  • Friday

    Friday: Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 62.

    High: 62 °F

    Areas Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain after 4am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 44.

    Low: 44 °F

    Patchy Fog
    then Slight
    Chance Rain
    and Patchy
    Fog

Detailed Forecast

Overnight
A 50 percent chance of rain. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 47. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Areas of fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 60. Calm wind becoming northwest around 6 mph in the morning.
Wednesday Night
Patchy fog after 9pm. Otherwise, increasing clouds, with a low around 40. Calm wind.
Thursday
Areas of fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 61. Light east northeast wind.
Thursday Night
Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 42. Calm wind.
Friday
Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 62.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
Partly sunny, with a high near 62.
Saturday Night
A slight chance of rain after 4am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 44.
Sunday
A chance of rain, mainly after 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 59.
Sunday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 46.
Monday
Patchy fog. Otherwise, mostly sunny, with a high near 60.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 42.
Tuesday
Patchy fog. Otherwise, mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Napa Co. Airport CA
 38.21°N 122.38°W (Elev. 3 ft)
Last Update:
12:26 am PST Jan 28, 2026
Forecast Valid:
2am PST Jan 28, 2026-6pm PST Feb 3, 2026
 
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Additional Resources

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Chance of Precipitation