Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Partly Cloudy

57°F

14°C

Humidity 62%
Wind Speed S 3 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 19 Apr 08:47 AM PDT
Extended Forecast for

4 Miles S Mount Hamilton CA

  • Today

    Today: Mostly sunny, with a high near 62. South southwest wind 7 to 13 mph.

    High: 62 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. South wind 6 to 8 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of rain after 11am.  Increasing clouds, with a high near 60. South southwest wind 9 to 15 mph, with gusts as high as 20 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: Rain.  Low around 46. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 46 °F

    Rain

  • Tuesday

    Tuesday: Rain before 11am, then showers and possibly a thunderstorm after 11am.  High near 49. South southwest wind 6 to 10 mph, with gusts as high as 22 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 and possibly a thunderstorm before 8pm, then rain, mainly after 8pm.  Low around 43. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Showers

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly before 11am.  Partly sunny, with a high near 54.

    High: 54 °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 60.

    High: 60 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 62. South southwest wind 7 to 13 mph.
Tonight
Mostly clear, with a low around 42. South wind 6 to 8 mph.
Monday
A 20 percent chance of rain after 11am. Increasing clouds, with a high near 60. South southwest wind 9 to 15 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain. Low around 46. South southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 49. South southwest wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm before 8pm, then rain, mainly after 8pm. Low around 43. Chance of precipitation is 80%. New precipitation amounts of less than a tenth 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 54.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Mount Hamilton CA
 37.28°N 121.63°W (Elev. 2831 ft)
8:38 am PDT Apr 19, 2026
9am PDT Apr 19, 2026-6pm PDT Apr 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

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