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

Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Partly Cloudy

64°F

18°C

Humidity 52%
Wind Speed N 9 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 15 Apr 12:47 PM PDT
Extended Forecast for

Mount Hamilton CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 56. West wind around 9 mph.

    High: 56 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 39. West northwest wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 55. North wind 11 to 14 mph, with gusts as high as 25 mph.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 40. North northwest wind 14 to 16 mph, with gusts as high as 30 mph.

    Low: 40 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 61. North northwest wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of rain after 11am. Partly sunny, with a high near 62.

    High: 62 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 56. West wind around 9 mph.
Tonight
Partly cloudy, with a low around 39. West northwest wind 9 to 11 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 55. North wind 11 to 14 mph, with gusts as high as 25 mph.
Thursday Night
Clear, with a low around 40. North northwest wind 14 to 16 mph, with gusts as high as 30 mph.
Friday
Sunny, with a high near 61. North northwest wind 8 to 14 mph, with gusts as high as 22 mph.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
A slight chance of rain after 11am. Partly sunny, with a high near 62.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 46.
Monday
A chance of rain. Partly sunny, with a high near 56.
Monday Night
A chance of rain. Mostly cloudy, with a low around 45.
Tuesday
A chance of rain. Partly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Hamilton CA
 37.35°N 121.64°W (Elev. 2398 ft)
Last Update:
1:26 pm PDT Apr 15, 2026
Forecast Valid:
1pm PDT Apr 15, 2026-6pm PDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation