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

Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Clear

72°F

22°C

Humidity 60%
Wind Speed NA NA MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 01 Aug 09:47 PM PDT
Extended Forecast for

4 Miles SE Mount Hamilton CA

  • Overnight

    Overnight: Clear, with a low around 71. West northwest wind around 6 mph.

    Low: 71 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 94. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 72. West wind 5 to 7 mph becoming calm after midnight.

    Low: 72 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 93. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 71. West southwest wind around 6 mph becoming calm in the evening.

    Low: 71 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 70.

    Low: 70 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 70.

    Low: 70 °F

    Clear

Detailed Forecast

Overnight
Clear, with a low around 71. West northwest wind around 6 mph.
Sunday
Sunny, with a high near 94. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Sunday Night
Clear, with a low around 72. West wind 5 to 7 mph becoming calm after midnight.
Monday
Sunny, with a high near 93. Calm wind becoming southwest around 6 mph in the afternoon.
Monday Night
Clear, with a low around 71. West southwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Clear, with a low around 70.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Clear, with a low around 70.
Thursday
Sunny, with a high near 92.
Thursday Night
Clear, with a low around 72.
Friday
Sunny, with a high near 94.
Friday Night
Clear, with a low around 74.
Saturday
Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Mount Hamilton CA
 37.32°N 121.58°W (Elev. 2930 ft)
Last Update:
11:27 pm PDT Aug 1, 2026
Forecast Valid:
12am PDT Aug 2, 2026-6pm PDT Aug 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation