Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Mostly Cloudy

59°F

15°C

Humidity 54%
Wind Speed SW 8 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 12 Apr 07:47 PM PDT
Extended Forecast for

4 Miles S Mount Hamilton CA

  • Tonight

    Tonight: A slight chance of rain before 2am, then a slight chance of rain after 3am.  Mostly cloudy, with a low around 38. West wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 20%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Slight Chance
    Rain

  • Monday

    Monday: Mostly sunny, with a high near 52. Calm wind becoming west northwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 52 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 40. Northwest wind 5 to 9 mph.

    Low: 40 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. West wind 3 to 6 mph.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 40. West northwest wind 6 to 8 mph.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

Detailed Forecast

Tonight
A slight chance of rain before 2am, then a slight chance of rain after 3am. Mostly cloudy, with a low around 38. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 52. Calm wind becoming west northwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
Partly cloudy, with a low around 40. Northwest wind 5 to 9 mph.
Tuesday
Mostly sunny, with a high near 57. West wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 40. West northwest wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Sunny, with a high near 57.
Thursday Night
Clear, with a low around 41.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 43.
Saturday
Sunny, with a high near 67.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Mount Hamilton CA
 37.28°N 121.63°W (Elev. 2831 ft)
6:36 pm PDT Apr 12, 2026
8pm PDT Apr 12, 2026-6pm PDT Apr 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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