Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

52°F

11°C

Humidity 81%
Wind Speed WSW 4 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 46°F (8°C)
Visibility 9.00 mi
Last update 19 Jan 11:00 AM PST
Extended Forecast for

2 Miles N Napa Co. Airport CA

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 63. East southeast wind 3 to 5 mph.

    High: 63 °F

    Sunny

  • Tonight

    Tonight: Patchy dense fog.  Otherwise, increasing clouds, with a low around 41. Calm wind.

    Low: 41 °F

    Patchy Dense
    Fog

  • Tuesday

    Tuesday: Patchy dense fog before 10am.  Otherwise, mostly sunny, then becoming cloudy during the afternoon, with a high near 60. Calm wind becoming north around 5 mph in the afternoon.

    High: 60 °F

    Patchy Dense
    Fog then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 60. Calm wind.

    High: 60 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 46.

    Low: 46 °F

    Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 10pm.  Otherwise, partly cloudy, with a low around 44.

    Low: 44 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 62.

    High: 62 °F

    Patchy Fog
    then Sunny

Detailed Forecast

M.L.King Day
Sunny, with a high near 63. East southeast wind 3 to 5 mph.
Tonight
Patchy dense fog. Otherwise, increasing clouds, with a low around 41. Calm wind.
Tuesday
Patchy dense fog before 10am. Otherwise, mostly sunny, then becoming cloudy during the afternoon, with a high near 60. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 45. Calm wind.
Wednesday
Cloudy, with a high near 60. Calm wind.
Wednesday Night
Cloudy, with a low around 46.
Thursday
Partly sunny, with a high near 62.
Thursday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 44.
Friday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 42.
Saturday
Mostly sunny, with a high near 60.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Napa Co. Airport CA
 38.25°N 122.27°W (Elev. 59 ft)
11:13 am PST Jan 19, 2026
11am PST Jan 19, 2026-6pm PST Jan 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