Fire Weather Issues; Pacific System Moving Inland

Dry fuels, strong winds and dry weather will continue to bring elevated to critical fire weather conditions to the areas of the Plains, Midwest and Southeast today. A Pacific storm system will bring low elevation rain and heavy high elevation mountain snow to California through early week, expanding into the Pacific Northwest, Great Basin, and southern California on Tuesday. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Mostly Cloudy

61°F

16°C

Humidity 33%
Wind Speed SE 10 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 20 Apr 08:47 AM PDT
Extended Forecast for

Mount Hamilton CA

  • Today

    Today: A slight chance of rain before 10am, then a chance of rain after 2pm.  Increasing clouds, with a high near 58. South southwest wind 11 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Slight Chance
    Rain then
    Chance Rain

  • Tonight

    Tonight: Rain.  Low around 46. South southwest wind 7 to 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Low: 46 °F

    Rain

  • Tuesday

    Tuesday: Rain before 11am, then showers and possibly a thunderstorm, mainly after 11am.  Temperature falling to around 45 by 5pm. South southwest wind 7 to 13 mph, with gusts as high as 24 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 49 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then rain likely, mainly between 8pm and 11pm.  Mostly cloudy, with a low around 42. Southwest wind 6 to 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 42 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly before 11am.  Partly sunny, with a high near 52. West southwest wind around 7 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Thursday Night

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

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of rain before 10am, then a chance of rain after 2pm. Increasing clouds, with a high near 58. South southwest wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain. Low around 46. South southwest wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Tuesday
Rain before 11am, then showers and possibly a thunderstorm, mainly after 11am. Temperature falling to around 45 by 5pm. South southwest wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then rain likely, mainly between 8pm and 11pm. Mostly cloudy, with a low around 42. Southwest wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of rain, mainly before 11am. Partly sunny, with a high near 52. West southwest wind around 7 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 56.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Mount Hamilton CA
 37.35°N 121.64°W (Elev. 2398 ft)
2:11 am PDT Apr 20, 2026
9am PDT Apr 20, 2026-6pm PDT Apr 26, 2026
 
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