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

Heat Builds in the West; Severe Thunderstorms and Heavy Rain in the Upper Midwest and Mid-Mississippi Valley; Extremely Critical Fire Weather in the Northwest on Saturday

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms and heavy rainfall are expected over parts of the Upper Midwest to mid-Mississippi Valley today. Critical to extremely critical fire weather conditions from the Northwest and the northern Great Basin on Saturday and Sunday. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Clear

63°F

17°C

Humidity 67%
Wind Speed N 0 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 31 Jul 07:47 AM PDT
Extended Forecast for

4 Miles W Mount Hamilton CA

  • Today

    Today: Sunny, with a high near 89. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 56. Northwest wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 90. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 90 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 59. West northwest wind 3 to 7 mph.

    Low: 59 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 91. West wind 3 to 7 mph.

    High: 91 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 89. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Tonight
Clear, with a low around 56. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 90. Calm wind becoming west 5 to 7 mph in the afternoon.
Saturday Night
Clear, with a low around 59. West northwest wind 3 to 7 mph.
Sunday
Sunny, with a high near 91. West wind 3 to 7 mph.
Sunday Night
Clear, with a low around 60.
Monday
Sunny, with a high near 92.
Monday Night
Clear, with a low around 59.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Clear, with a low around 58.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Clear, with a low around 58.
Thursday
Sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Mount Hamilton CA
 37.34°N 121.73°W (Elev. 2011 ft)
Last Update:
1:26 am PDT Jul 31, 2026
Forecast Valid:
8am PDT Jul 31, 2026-6pm PDT Aug 6, 2026
 
Forecast Discussion
 
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Additional Resources

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