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

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

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

43°F

6°C

Humidity 86%
Wind Speed NNE 3 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 27 Jan 02:35 AM PST
Extended Forecast for

4 Miles NW Yountville CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 39. Light east northeast wind.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain likely after 4pm. Increasing clouds, with a high near 59. Light east wind becoming south 8 to 13 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Partly Sunny
    then Rain
    Likely

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 10pm. Patchy fog. Otherwise, mostly cloudy, with a low around 44. South southeast wind 5 to 7 mph becoming calm. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Rain Likely
    and Patchy
    Fog then
    Chance Rain
    and Areas Fog

  • Wednesday

    Wednesday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 60. North wind 3 to 7 mph.

    High: 60 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog between 9pm and 3am. Otherwise, partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Fog

  • Thursday

    Thursday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 39. Light east northeast wind.
Tuesday
Rain likely after 4pm. Increasing clouds, with a high near 59. Light east wind becoming south 8 to 13 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain likely, mainly before 10pm. Patchy fog. Otherwise, mostly cloudy, with a low around 44. South southeast wind 5 to 7 mph becoming calm. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 60. North wind 3 to 7 mph.
Wednesday Night
Patchy fog between 9pm and 3am. Otherwise, partly cloudy, with a low around 42. Calm wind.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Mostly cloudy, with a low around 44.
Friday
Partly sunny, with a high near 65.
Friday Night
Mostly cloudy, with a low around 44.
Saturday
Partly sunny, with a high near 66.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 46.
Sunday
A chance of rain. Partly sunny, with a high near 64.
Sunday Night
A slight chance of rain. Partly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Yountville CA
 38.43°N 122.41°W (Elev. 180 ft)
Last Update:
2:38 am PST Jan 27, 2026
Forecast Valid:
2am PST Jan 27, 2026-6pm PST Feb 2, 2026
 
Forecast Discussion
 
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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