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

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

77°F

25°C

Humidity 27%
Wind Speed NNW 4 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 19 Apr 04:47 PM PDT
Extended Forecast for

10 Miles E Mount Hamilton CA

  • Tonight

    Tonight: Mostly clear, with a low around 37. Southwest wind 5 to 10 mph becoming light south.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Rain likely, mainly after 5pm. Increasing clouds, with a high near 68. South wind 9 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 68 °F

    Sunny then
    Rain Likely

  • Monday Night

    Monday Night: Rain likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 11pm, then rain after 11pm. Patchy fog after 5am. Low around 41. South southwest wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 41 °F

    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Rain before 11am, then showers and possibly a thunderstorm, mainly after 11am. Patchy fog before 8am. High near 55. Light south southwest wind increasing to 6 to 11 mph in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 55 °F

    Showers and
    Patchy Fog

  • 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 37. Southwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 37 °F

    Showers
    Likely then
    Chance Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain. Partly sunny, with a high near 59. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Tonight
Mostly clear, with a low around 37. Southwest wind 5 to 10 mph becoming light south.
Monday
Rain likely, mainly after 5pm. Increasing clouds, with a high near 68. South wind 9 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Monday Night
Rain likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 11pm, then rain after 11pm. Patchy fog after 5am. Low around 41. South southwest wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Rain before 11am, then showers and possibly a thunderstorm, mainly after 11am. Patchy fog before 8am. High near 55. Light south southwest wind increasing to 6 to 11 mph in the afternoon. Winds could gust 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 likely and possibly a thunderstorm before 8pm, then rain likely, mainly between 8pm and 11pm. Mostly cloudy, with a low around 37. Southwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 20 percent chance of rain. Partly sunny, with a high near 59. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
Sunny, with a high near 66.
Thursday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 38.
Friday
Sunny, with a high near 69.
Friday Night
Patchy fog. Otherwise, partly cloudy, with a low around 40.
Saturday
Patchy fog. Otherwise, mostly sunny, with a high near 68.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 40.
Sunday
Patchy fog. Otherwise, mostly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles E Mount Hamilton CA
 37.33°N 121.47°W (Elev. 2113 ft)
Last Update:
1:26 pm PDT Apr 19, 2026
Forecast Valid:
5pm PDT Apr 19, 2026-6pm PDT Apr 26, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation