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

Areas of Extreme Heat and Excessive Rainfall Potential

Dangerous and extreme heat will remain across portions of the central U.S. this week, persisting across the mid to lower Mississippi Valley, Gulf Coast, southern Plains and portions of Texas. A heat wave over the Southwest U.S. will peak this weekend. Heavy to excessive rainfall may produce flash flooding from the Delmarva Peninsula north into the Hudson Valley today and tonight. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Clear

81°F

27°C

Humidity 44%
Wind Speed NW 9 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 28 Jul 04:50 PM PDT
Extended Forecast for

5 Miles SSW Mount Hamilton CA

  • Tonight

    Tonight: Clear, with a low around 53. Northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 53 °F

    Clear

  • Wednesday

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

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 54. West northwest wind around 6 mph becoming calm in the evening.

    Low: 54 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 91. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 55. West northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph.

    Low: 55 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 53. Northwest wind 5 to 8 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 90. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Wednesday Night
Clear, with a low around 54. West northwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 91. Calm wind becoming west 5 to 8 mph in the afternoon.
Thursday Night
Clear, with a low around 55. West northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Friday
Sunny, with a high near 94.
Friday Night
Clear, with a low around 56.
Saturday
Sunny, with a high near 93.
Saturday Night
Clear, with a low around 56.
Sunday
Sunny, with a high near 92.
Sunday Night
Clear, with a low around 55.
Monday
Sunny, with a high near 91.
Monday Night
Clear, with a low around 56.
Tuesday
Sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Mount Hamilton CA
 37.28°N 121.68°W (Elev. 1138 ft)
Last Update:
1:26 pm PDT Jul 28, 2026
Forecast Valid:
5pm PDT Jul 28, 2026-6pm PDT Aug 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation