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

73°F

23°C

Humidity 53%
Wind Speed WNW 8 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 31 Jul 07:47 PM PDT
Extended Forecast for

4 Miles S Mount Hamilton CA

  • Tonight

    Tonight: Clear, with a low around 60. Northwest wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 88. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Patchy smoke between 9pm and 2am. Mostly clear, with a low around 62. West northwest wind 5 to 7 mph becoming calm after midnight.

    Low: 62 °F

    Patchy Smoke

  • Sunday

    Sunday: Sunny, with a high near 89. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 64. West wind 5 to 7 mph becoming calm in the evening.

    Low: 64 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 60. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 88. Calm wind becoming west 5 to 7 mph in the afternoon.
Saturday Night
Patchy smoke between 9pm and 2am. Mostly clear, with a low around 62. West northwest wind 5 to 7 mph becoming calm after midnight.
Sunday
Sunny, with a high near 89. Calm wind becoming west southwest around 6 mph in the afternoon.
Sunday Night
Clear, with a low around 64. West wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 88.
Monday Night
Clear, with a low around 62.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Clear, with a low around 61.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Clear, with a low around 62.
Thursday
Sunny, with a high near 87.
Thursday Night
Clear, with a low around 64.
Friday
Sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Mount Hamilton CA
 37.28°N 121.63°W (Elev. 2831 ft)
Last Update:
7:57 pm PDT Jul 31, 2026
Forecast Valid:
8pm PDT Jul 31, 2026-6pm PDT Aug 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation