Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

Lat: 37.33333°NLon: 121.81667°WElev: 135.0ft.

Mostly Cloudy

77°F

25°C

Humidity 38%
Wind Speed NW 6 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 21 Mar 02:47 PM PDT
Extended Forecast for

2 Miles WSW Mount Hamilton CA

  • Tonight

    Tonight: Mostly clear, with a low around 50. North wind 5 to 8 mph.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 75. North northeast wind 5 to 7 mph becoming west northwest in the afternoon.

    High: 75 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50. West northwest wind around 6 mph.

    Low: 50 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 76. West northwest wind 5 to 7 mph.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. West northwest wind 6 to 8 mph.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 50. North wind 5 to 8 mph.
Sunday
Sunny, with a high near 75. North northeast wind 5 to 7 mph becoming west northwest in the afternoon.
Sunday Night
Mostly clear, with a low around 50. West northwest wind around 6 mph.
Monday
Sunny, with a high near 76. West northwest wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 53. West northwest wind 6 to 8 mph.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 77.
Friday Night
Mostly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Mount Hamilton CA
 37.32°N 121.66°W (Elev. 2201 ft)
2:07 pm PDT Mar 21, 2026
4pm PDT Mar 21, 2026-6pm PDT Mar 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