Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Winter Storm to bring snow, ice, and dangerous travel to New England, Inclement weather expected over the western U.S.

A winter storm will bring a hazardous combination of snow and ice across much of northern New England through tonight. Treacherous travel conditions are likely. The combination of rain and snow melt will also cause ice jam flooding concerns over portions of the Northeast over the next few days. Over the western U.S.,a series of storm systems will bring heavy mountain snow, rain, and strong winds. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

Lat: 38.2075°NLon: 122.27944°WElev: 33ft.

A Few Clouds

14°C

57°F

Humidity 63%
Wind Speed ESE 9 MPH
Barometer 30.23 in
Dewpoint 7°C (45°F)
Visibility 16 km
Last update 23 Jan 1:20 pm PST
Extended Forecast for

Napa CA

  • This
    Afternoon

    This Afternoon: Partly sunny, with a high near 14. South southeast wind around 8 km/h.

    Partly Sunny

    High: 14 °C

  • Tonight

    Tonight: Mostly cloudy, with a low around 1. East southeast wind 5 to 8 km/h becoming calm.

    Mostly Cloudy

    Low: 1 °C

  • Wednesday

    Wednesday: Rain, mainly after 10am.  High near 14. South wind 10 to 20 km/h increasing to 24 to 34 km/h in the afternoon. Winds could gust as high as 45 km/h.  Chance of precipitation is 80%. New precipitation amounts between 7.5 mm and 1 cm possible.

    Rain

    High: 14 °C

  • Wednesday
    Night

    Wednesday Night: Rain likely before 10pm, then a chance of showers after 10pm.  Mostly cloudy, with a low around 2. South southwest wind 5 to 10 km/h becoming east northeast in the evening.  Chance of precipitation is 60%. New precipitation amounts between 2.5 and 5 mm possible.

    Rain Likely
    then Chance
    Showers

    Low: 2 °C

  • Thursday

    Thursday: A 40 percent chance of showers.  Partly sunny, with a high near 13. West northwest wind 10 to 14 km/h becoming south in the morning.  New precipitation amounts between 1 and 2.5 mm possible.

    Chance
    Showers

    High: 13 °C

  • Thursday
    Night

    Thursday Night: A 20 percent chance of showers.  Mostly cloudy, with a low around 1.

    Slight Chance
    Showers

    Low: 1 °C

  • Friday

    Friday: Partly sunny, with a high near 14.

    Partly Sunny

    High: 14 °C

  • Friday
    Night

    Friday Night: Mostly cloudy, with a low around 1.

    Mostly Cloudy

    Low: 1 °C

  • Saturday

    Saturday: Partly sunny, with a high near 14.

    Partly Sunny

    High: 14 °C

Detailed Forecast

This Afternoon
Partly sunny, with a high near 14. South southeast wind around 8 km/h.
Tonight
Mostly cloudy, with a low around 1. East southeast wind 5 to 8 km/h becoming calm.
Wednesday
Rain, mainly after 10am. High near 14. South wind 10 to 20 km/h increasing to 24 to 34 km/h in the afternoon. Winds could gust as high as 45 km/h. Chance of precipitation is 80%. New precipitation amounts between 7.5 mm and 1 cm possible.
Wednesday Night
Rain likely before 10pm, then a chance of showers after 10pm. Mostly cloudy, with a low around 2. South southwest wind 5 to 10 km/h becoming east northeast in the evening. Chance of precipitation is 60%. New precipitation amounts between 2.5 and 5 mm possible.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 13. West northwest wind 10 to 14 km/h becoming south in the morning. New precipitation amounts between 1 and 2.5 mm possible.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 1.
Friday
Partly sunny, with a high near 14.
Friday Night
Mostly cloudy, with a low around 1.
Saturday
Partly sunny, with a high near 14.
Saturday Night
Mostly cloudy, with a low around 3.
Sunday
Partly sunny, with a high near 16.
Sunday Night
Mostly cloudy, with a low around 4.
Monday
Partly sunny, with a high near 16.
Click Map For Forecast
Point Forecast:
Napa CA
 38.29°N 122.29°W (Elev. 6 m)
8:12 am PST Jan 23, 2018
1pm PST Jan 23, 2018-6pm PST Jan 29, 2018
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database