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

Fire Weather Concerns and Severe Thunderstorms through the Weekend

Dry and windy conditions, and some dry thunderstorms and lightning, may support hazardous fire activity in the northern Plains, high southern Plains and the Southwest this weekend. An active severe weather pattern is forecast for portions of the central and southern High Plains into the Upper Midwest through early the part of next week. Damaging winds, large hail, and tornadoes are possible. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

61°F

16°C

Humidity 63%
Wind Speed N 0 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 15 May 08:35 AM PDT
Extended Forecast for

4 Miles SW Yountville CA

  • Today

    Today: Sunny, with a high near 78. Light and variable wind becoming west 5 to 9 mph in the morning.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 62. Northwest wind 13 to 21 mph, with gusts as high as 31 mph.

    Low: 62 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 72. Northwest wind 16 to 21 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58. West northwest wind 14 to 17 mph, with gusts as high as 30 mph.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76. Northwest wind 14 to 21 mph, with gusts as high as 33 mph.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 67. Breezy.

    Low: 67 °F

    Mostly Clear
    then Clear
    and Breezy

  • Monday

    Monday: Sunny, with a high near 79. Breezy.

    High: 79 °F

    Sunny and
    Breezy then
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 78. Light and variable wind becoming west 5 to 9 mph in the morning.
Tonight
Clear, with a low around 62. Northwest wind 13 to 21 mph, with gusts as high as 31 mph.
Saturday
Sunny, with a high near 72. Northwest wind 16 to 21 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 31 mph.
Saturday Night
Mostly clear, with a low around 58. West northwest wind 14 to 17 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 76. Northwest wind 14 to 21 mph, with gusts as high as 33 mph.
Sunday Night
Clear, with a low around 67. Breezy.
Monday
Sunny, with a high near 79. Breezy.
Monday Night
Clear, with a low around 61.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Clear, with a low around 62.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Clear, with a low around 62.
Thursday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Yountville CA
 38.36°N 122.42°W (Elev. 1798 ft)
Last Update:
8:41 am PDT May 15, 2026
Forecast Valid:
8am PDT May 15, 2026-6pm PDT May 21, 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