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

54°F

12°C

Humidity 71%
Wind Speed NNW 6 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 14 Apr 09:55 PM PDT
Extended Forecast for

4 Miles S Mount Hamilton CA

  • Overnight

    Overnight: Mostly clear, with a low around 38. Northwest wind 3 to 5 mph.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 57. West northwest wind 5 to 8 mph, with gusts as high as 18 mph.

    High: 57 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39. West northwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 57. North northwest wind 9 to 13 mph, with gusts as high as 24 mph.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 41. North northwest wind 10 to 14 mph, with gusts as high as 25 mph.

    Low: 41 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 38. Northwest wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 57. West northwest wind 5 to 8 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 39. West northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 57. North northwest wind 9 to 13 mph, with gusts as high as 24 mph.
Thursday Night
Clear, with a low around 41. North northwest wind 10 to 14 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 43.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
A slight chance of rain after 11am. Partly sunny, with a high near 63.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 45.
Monday
A chance of rain. Partly sunny, with a high near 59.
Monday Night
A chance of rain. Mostly cloudy, with a low around 44.
Tuesday
A chance of rain. Partly sunny, with a high near 56.
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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:
1:26 am PDT Apr 15, 2026
Forecast Valid:
1am PDT Apr 15, 2026-6pm PDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation