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

Critical Fire Weather in the Plains; Unseasonably Warm in the Southwest and Southern U.S.

Unseasonably warm temperatures continue through the weekend across the Southwest and southern U.S., with more than 100 record or near record maximum temperatures forecast through the rest of the week and over the weekend. Elevated to critical fire weather conditions will persist across the Plains and Southeast U.S. this weekend. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

Lat: 37.83389°NLon: 122.06694°WElev: 1760.0ft.

NA

65°F

18°C

Humidity 30%
Wind Speed E 12 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 29 Mar 06:28 AM PDT
Extended Forecast for

5 Miles NW Castro Valley CA

  • Today

    Today: Sunny, with a high near 83. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 54. West wind 5 to 7 mph becoming light and variable after midnight.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 74. Light and variable wind becoming west 5 to 8 mph in the afternoon.

    High: 74 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 54. West southwest wind 5 to 8 mph.

    Low: 54 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 68. Southwest wind 5 to 8 mph.

    High: 68 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 50. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain. Partly sunny, with a high near 67.

    High: 67 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain

  • Thursday

    Thursday: A slight chance of rain before 11am. Mostly sunny, with a high near 64.

    High: 64 °F

    Slight Chance
    Rain then
    Sunny

Detailed Forecast

Today
Sunny, with a high near 83. Calm wind becoming west 5 to 8 mph in the afternoon.
Tonight
Partly cloudy, with a low around 54. West wind 5 to 7 mph becoming light and variable after midnight.
Monday
Partly sunny, with a high near 74. Light and variable wind becoming west 5 to 8 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 54. West southwest wind 5 to 8 mph.
Tuesday
A 30 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 68. Southwest wind 5 to 8 mph.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 50. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 40 percent chance of rain. Partly sunny, with a high near 67.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 49.
Thursday
A slight chance of rain before 11am. Mostly sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Castro Valley CA
 37.77°N 122.12°W (Elev. 597 ft)
Last Update:
1:26 am PDT Mar 29, 2026
Forecast Valid:
7am PDT Mar 29, 2026-6pm PDT Apr 4, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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