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

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

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over CNMI and tropical storm conditions over Guam. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes today. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Mostly Cloudy

48°F

9°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 14 Apr 06:55 AM PDT
Extended Forecast for

Mount Hamilton CA

  • Today

    Today: Sunny, with a high near 55. West wind 5 to 8 mph.

    High: 55 °F

    Sunny

  • Tonight

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

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 54. West wind 6 to 8 mph.

    High: 54 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41. West northwest wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 54. North northwest wind 9 to 14 mph, with gusts as high as 25 mph.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Friday Night

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

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 55. West wind 5 to 8 mph.
Tonight
Mostly clear, with a low around 40. West wind 6 to 8 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 54. West wind 6 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 41. West northwest wind 9 to 11 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 54. North northwest wind 9 to 14 mph, with gusts as high as 25 mph.
Thursday Night
Clear, with a low around 41.
Friday
Sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 45.
Monday
A chance of rain. Partly sunny, with a high near 54.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Hamilton CA
 37.35°N 121.64°W (Elev. 2398 ft)
Last Update:
1:43 am PDT Apr 14, 2026
Forecast Valid:
7am PDT Apr 14, 2026-6pm PDT Apr 20, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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