Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

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

NA

61°F

16°C

Humidity 68%
Wind Speed WSW 8 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 21 Aug 10:28 PM PDT
Extended Forecast for

5 Miles NW Castro Valley CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 55. South wind around 6 mph.

    Low: 55 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 77. West southwest wind 5 to 9 mph.

    High: 77 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 56. South southwest wind around 6 mph becoming light and variable  after midnight.

    Low: 56 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 77. Light and variable wind becoming west southwest 5 to 8 mph in the morning.

    High: 77 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 56. Southwest wind 5 to 8 mph.

    Low: 56 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 55. South wind around 6 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 77. West southwest wind 5 to 9 mph.
Saturday Night
Increasing clouds, with a low around 56. South southwest wind around 6 mph becoming light and variable after midnight.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 77. Light and variable wind becoming west southwest 5 to 8 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 56. Southwest wind 5 to 8 mph.
Monday
Partly sunny, with a high near 74.
Monday Night
Mostly cloudy, with a low around 55.
Tuesday
Partly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Partly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Castro Valley CA
 37.77°N 122.12°W (Elev. 597 ft)
11:27 pm PDT Aug 21, 2026
11pm PDT Aug 21, 2026-6pm PDT Aug 28, 2026
 
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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