Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Mostly Cloudy

55°F

13°C

Humidity 76%
Wind Speed WNW 5 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 13 Apr 09:47 AM PDT
Extended Forecast for

2 Miles WSW Mount Hamilton CA

  • Today

    Today: Mostly sunny, with a high near 55. West northwest wind 5 to 9 mph.

    High: 55 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 40. Northwest wind 3 to 8 mph.

    Low: 40 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 59. West wind 3 to 8 mph.

    High: 59 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39. West northwest wind 5 to 8 mph.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 60. West northwest wind 3 to 8 mph.

    High: 60 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 40.

    Low: 40 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 55. West northwest wind 5 to 9 mph.
Tonight
Partly cloudy, with a low around 40. Northwest wind 3 to 8 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 59. West wind 3 to 8 mph.
Tuesday Night
Mostly clear, with a low around 39. West northwest wind 5 to 8 mph.
Wednesday
Mostly sunny, with a high near 60. West northwest wind 3 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Sunny, with a high near 60.
Thursday Night
Clear, with a low around 40.
Friday
Sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
A slight chance of showers. Mostly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Mount Hamilton CA
 37.32°N 121.66°W (Elev. 2201 ft)
8:52 am PDT Apr 13, 2026
10am PDT Apr 13, 2026-6pm PDT Apr 19, 2026
 
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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