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

75°F

24°C

Humidity 50%
Wind Speed SE 3 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 20 Mar 09:47 PM PDT
Extended Forecast for

11 Miles N Mount Hamilton CA

  • Tonight

    Tonight: Partly cloudy, with a low around 60. Southwest wind around 6 mph.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 73. West northwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51. West wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 69. North northwest wind around 10 mph.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50. Northwest wind 7 to 10 mph becoming southwest after midnight.

    Low: 50 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Monday Night

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

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 60. Southwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 73. West northwest wind 6 to 11 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 51. West wind 9 to 11 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 69. North northwest wind around 10 mph.
Sunday Night
Mostly clear, with a low around 50. Northwest wind 7 to 10 mph becoming southwest after midnight.
Monday
Sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 70.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles N Mount Hamilton CA
 37.5°N 121.68°W (Elev. 3465 ft)
Last Update:
8:21 pm PDT Mar 20, 2026
Forecast Valid:
11pm PDT Mar 20, 2026-6pm PDT Mar 27, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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