Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms will be possible from the central Plains to the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Interior Alaska and the Four Corners region through Monday. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

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

NA

50°F

10°C

Humidity 99%
Wind Speed WSW 14 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 22 Jun 03:28 AM PDT
Extended Forecast for

4 Miles NNE Castro Valley CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 52. West southwest wind around 8 mph.

    Low: 52 °F

    Mostly Cloudy

  • Monday

    Monday: Cloudy through mid morning, then gradual clearing, with a high near 76. West southwest wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 76 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 4am.  Otherwise, increasing clouds, with a low around 53. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 53 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am.  Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 79. West southwest wind 5 to 9 mph.

    High: 79 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 3am.  Otherwise, partly cloudy, with a low around 53. West southwest wind 5 to 9 mph.

    Low: 53 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 7am.  Otherwise, mostly sunny, with a high near 80.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 52. West southwest wind around 8 mph.
Monday
Cloudy through mid morning, then gradual clearing, with a high near 76. West southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Monday Night
Patchy fog after 4am. Otherwise, increasing clouds, with a low around 53. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Tuesday
Patchy fog before 8am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 79. West southwest wind 5 to 9 mph.
Tuesday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 53. West southwest wind 5 to 9 mph.
Wednesday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 71.
Saturday Night
Patchy fog. Otherwise, mostly clear, with a low around 51.
Sunday
Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Castro Valley CA
 37.76°N 122.03°W (Elev. 604 ft)
1:26 am PDT Jun 22, 2026
3am PDT Jun 22, 2026-6pm PDT Jun 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