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

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.

Clear

48°F

9°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 22 Mar 07:47 AM PDT
Extended Forecast for

11 Miles NE Mount Hamilton CA

  • Today

    Today: Sunny, with a high near 73. North northwest wind around 9 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 49. West wind 9 to 11 mph, with gusts as high as 18 mph.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 74. West northwest wind 9 to 11 mph, with gusts as high as 18 mph.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49. West wind around 11 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75. Northwest wind 9 to 11 mph, with gusts as high as 18 mph.

    High: 75 °F

    Sunny

  • Tuesday Night

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

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 73. North northwest wind around 9 mph.
Tonight
Mostly clear, with a low around 49. West wind 9 to 11 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 74. West northwest wind 9 to 11 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 49. West wind around 11 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 75. Northwest wind 9 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Mostly sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NE Mount Hamilton CA
 37.46°N 121.5°W (Elev. 3310 ft)
Last Update:
2:27 am PDT Mar 22, 2026
Forecast Valid:
8am PDT Mar 22, 2026-6pm PDT Mar 28, 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