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

Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. 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 87%
Wind Speed SW 8 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 02 Aug 03:35 AM PDT
Extended Forecast for

2 Miles S Napa CA

  • Overnight

    Overnight: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 91. Light southwest wind becoming south southwest 5 to 10 mph in the afternoon.

    High: 91 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58. South southwest wind 5 to 7 mph becoming calm after midnight.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 90. Calm wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. Southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 58. Calm wind.
Sunday
Sunny, with a high near 91. Light southwest wind becoming south southwest 5 to 10 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 58. South southwest wind 5 to 7 mph becoming calm after midnight.
Monday
Sunny, with a high near 90. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Monday Night
Mostly clear, with a low around 57. Southwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 89.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Napa CA
 38.27°N 122.31°W (Elev. 98 ft)
Last Update:
2:34 am PDT Aug 2, 2026
Forecast Valid:
3am PDT Aug 2, 2026-6pm PDT Aug 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation