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

48°F

9°C

Humidity 51%
Wind Speed NNE 8 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 12 Jan 06:28 AM PST
Extended Forecast for

4 Miles ENE Clayton CA

  • Today

    Today: Sunny, with a high near 52. North northwest wind around 7 mph becoming east northeast in the afternoon.

    High: 52 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 40. East wind around 6 mph.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 54. East northeast wind around 8 mph.

    High: 54 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 40. East northeast wind around 6 mph becoming west northwest in the evening.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 54. Northeast wind around 7 mph.

    High: 54 °F

    Sunny

  • Wednesday Night

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

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Thursday Night

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

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 52. North northwest wind around 7 mph becoming east northeast in the afternoon.
Tonight
Mostly clear, with a low around 40. East wind around 6 mph.
Tuesday
Sunny, with a high near 54. East northeast wind around 8 mph.
Tuesday Night
Mostly clear, with a low around 40. East northeast wind around 6 mph becoming west northwest in the evening.
Wednesday
Sunny, with a high near 54. Northeast wind around 7 mph.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Sunny, with a high near 56.
Thursday Night
Mostly clear, with a low around 42.
Friday
Sunny, with a high near 57.
Friday Night
Mostly clear, with a low around 42.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Clayton CA
 37.95°N 121.88°W (Elev. 1358 ft)
Last Update:
12:26 am PST Jan 12, 2026
Forecast Valid:
6am PST Jan 12, 2026-6pm PST Jan 18, 2026
 
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