Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Mostly Cloudy

56°F

13°C

Humidity 93%
Wind Speed NW 4 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 15 Aug 11:20 PM PDT
Extended Forecast for

3 Miles SSE Napa CA

  • Tonight

    Tonight: Patchy fog.  Otherwise, mostly cloudy, with a steady temperature around 57. Calm wind.

    Low: 57 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 9am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 79. Calm wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 79 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 55. Southwest wind 3 to 6 mph.

    Low: 55 °F

    Increasing
    Clouds

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 76. Light west southwest wind becoming southwest 5 to 9 mph in the morning.

    High: 76 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 54. Southwest wind 5 to 9 mph becoming light west southwest  after midnight.

    Low: 54 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Patchy fog before 8am.  Otherwise, partly sunny, with a high near 78.

    High: 78 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog. Otherwise, mostly cloudy, with a steady temperature around 57. Calm wind.
Sunday
Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 79. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Sunday Night
Increasing clouds, with a low around 55. Southwest wind 3 to 6 mph.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 76. Light west southwest wind becoming southwest 5 to 9 mph in the morning.
Monday Night
Mostly cloudy, with a low around 54. Southwest wind 5 to 9 mph becoming light west southwest after midnight.
Tuesday
Partly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Partly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Partly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 77.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Napa CA
 38.25°N 122.27°W (Elev. 59 ft)
11:26 pm PDT Aug 15, 2026
11pm PDT Aug 15, 2026-6pm PDT Aug 22, 2026
 
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