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

Heavy Rainfall for Portions of the West and Central U.S.; Monitoring Fire Weather Conditions for New England

Tropical moisture continues to flow across portions of the Great Basin, desert Southwest and California. Isolated instances of flash flooding remains possible. Meanwhile, a storm and associated frontal boundary will focus showers and thunderstorms for the center of the nation. For New England, dry and breezy conditions could enhance favorable fire weather conditions. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Clear

66°F

19°C

Humidity 77%
Wind Speed WNW 5 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 20 Sep 09:47 PM PDT
Extended Forecast for

5 Miles SSW Mount Hamilton CA

  • Today

    Today: Sunny, with a high near 84. Calm wind becoming west northwest 5 to 8 mph in the morning. Winds could gust as high as 18 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 58. Northwest wind around 6 mph becoming calm in the evening.

    Low: 58 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 90. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 63. West northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 63 °F

    Clear

  • Tuesday

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

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly after 11pm. Partly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers. Partly sunny, with a high near 85.

    High: 85 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 84. Calm wind becoming west northwest 5 to 8 mph in the morning. Winds could gust as high as 18 mph.
Tonight
Clear, with a low around 58. Northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 90. Calm wind becoming west northwest around 6 mph in the afternoon.
Monday Night
Clear, with a low around 63. West northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 93. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers, mainly after 11pm. Partly cloudy, with a low around 61.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 83.
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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:
2:34 am PDT Sep 21, 2025
Forecast Valid:
4am PDT Sep 21, 2025-6pm PDT Sep 27, 2025
 
Forecast Discussion
 
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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