Fire Weather Issues; Pacific System Moving Inland

Dry fuels, strong winds and dry weather will continue to bring elevated to critical fire weather conditions to the areas of the Plains, Midwest and Southeast today. A Pacific storm system will bring low elevation rain and heavy high elevation mountain snow to California through early week, expanding into the Pacific Northwest, Great Basin, and southern California on Tuesday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

light rain,mist

59°F

15°C

Humidity 89%
Wind Speed S 4 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 56°F (13°C)
Visibility 6.00 mi
Last update 20 Apr 03:54 PM PDT
Extended Forecast for

3 Miles NNE Hercules CA

  • This Afternoon

    This Afternoon: Rain before 5pm, then showers and possibly a thunderstorm after 5pm.  Steady temperature around 61. South southwest wind around 15 mph, with gusts as high as 22 mph.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 61 °F

    Showers

  • Tonight

    Tonight: Rain and possibly a thunderstorm.  Low around 53. South wind 6 to 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Rain

  • Tuesday

    Tuesday: Rain and thunderstorms likely, then showers and possibly a thunderstorm after 10am.  High near 61. Southwest wind 7 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 61 °F

    Showers

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 11pm.  Mostly cloudy, with a low around 49. Southwest wind 7 to 11 mph, with gusts as high as 18 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Rain Likely
    then Chance
    Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly before 11am.  Mostly sunny, with a high near 63. West southwest wind 6 to 8 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Rain before 5pm, then showers and possibly a thunderstorm after 5pm. Steady temperature around 61. South southwest wind around 15 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain and possibly a thunderstorm. Low around 53. South wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Rain and thunderstorms likely, then showers and possibly a thunderstorm after 10am. High near 61. Southwest wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 49. Southwest wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 30 percent chance of rain, mainly before 11am. Mostly sunny, with a high near 63. West southwest wind 6 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Hercules CA
 38.05°N 122.25°W (Elev. 56 ft)
1:26 pm PDT Apr 20, 2026
4pm PDT Apr 20, 2026-6pm PDT Apr 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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