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

Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

49°F

9°C

Humidity 41%
Wind Speed N 5 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Wind Chill47°F (8°C)
Last update 12 Jan 07:28 AM PST
Extended Forecast for

6 Miles ESE Clayton CA

  • Today

    Today: Sunny, with a high near 52. Light and variable wind becoming north northeast around 6 mph in the morning.

    High: 52 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 39. Light east southeast wind.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 55. East northeast wind around 7 mph.

    High: 55 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41. Light and variable wind.

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 56. Northeast wind around 6 mph.

    High: 56 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 52. Light and variable wind becoming north northeast around 6 mph in the morning.
Tonight
Mostly clear, with a low around 39. Light east southeast wind.
Tuesday
Sunny, with a high near 55. East northeast wind around 7 mph.
Tuesday Night
Mostly clear, with a low around 41. Light and variable wind.
Wednesday
Sunny, with a high near 56. Northeast wind around 6 mph.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
Mostly clear, with a low around 43.
Friday
Sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 42.
Saturday
Mostly sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Clayton CA
 37.93°N 121.85°W (Elev. 787 ft)
Last Update:
12:26 am PST Jan 12, 2026
Forecast Valid:
8am PST Jan 12, 2026-6pm PST Jan 18, 2026
 
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Additional Resources

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