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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

Lat: 37.95°NLon: 121.88444°WElev: 1600.0ft.

NA

75°F

24°C

Humidity 28%
Wind Speed WNW 0 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 21 Mar 02:28 AM PDT
Extended Forecast for

3 Miles N Clayton CA

  • Overnight

    Overnight: Partly cloudy, with a low around 54. West southwest wind around 7 mph.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82. Southwest wind 6 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50. Southwest wind 8 to 14 mph, with gusts as high as 21 mph.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 79. West wind 7 to 9 mph.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48. Southwest wind around 10 mph.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 54. West southwest wind around 7 mph.
Saturday
Mostly sunny, with a high near 82. Southwest wind 6 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 50. Southwest wind 8 to 14 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 79. West wind 7 to 9 mph.
Sunday Night
Mostly clear, with a low around 48. Southwest wind around 10 mph.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Clayton CA
 37.98°N 121.95°W (Elev. 719 ft)
Last Update:
2:22 am PDT Mar 21, 2026
Forecast Valid:
3am PDT Mar 21, 2026-6pm PDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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