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Areas of Heavy to Excessive Rainfall and Hot Temperatures This Week

Heavy to excessive rainfall could bring areas of flooding at times Monday through Thursday across parts of the central Plains into the Midwest as well as southern Arizona and New Mexico. Hot temperatures and high humidity will continue across much of east Texas into the lower and mid-Mississippi Valley through at least midweek. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

54°F

12°C

Humidity 89%
Wind Speed N 0 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 14 Sep 12:54 AM PDT
Extended Forecast for

Napa CASimilar City Names

  • Overnight

    Overnight: Clear, with a low around 54. Calm wind.

    Low: 54 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 85. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 54. Light and variable wind.

    Low: 54 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Areas of fog before 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 80. Calm wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 80 °F

    Areas Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 53. South southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 53 °F

    Clear then
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 74.

    High: 74 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 76.

    High: 76 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 1am. Otherwise, mostly clear, with a low around 54.

    Low: 54 °F

    Clear then
    Patchy Fog

Detailed Forecast

Overnight
Clear, with a low around 54. Calm wind.
Monday
Sunny, with a high near 85. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Monday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 54. Light and variable wind.
Tuesday
Areas of fog before 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 80. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Tuesday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 53. South southwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 76.
Thursday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 54.
Friday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 54.
Saturday
Patchy fog. Otherwise, mostly sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Patchy fog. Otherwise, mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Napa CASimilar City Names
 38.29°N 122.29°W (Elev. 20 ft)
Last Update:
1:07 am PDT Sep 14, 2026
Forecast Valid:
1am PDT Sep 14, 2026-6pm PDT Sep 20, 2026
 
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Additional Resources

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