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

Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Fog

59°F

15°C

Humidity 82%
Wind Speed SE 8 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 54°F (12°C)
Visibility 5.00 mi
Last update 10 Apr 08:47 PM PDT
Extended Forecast for

11 Miles NE Mount Hamilton CA

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 11pm, then a chance of rain between 11pm and 5am. Mostly cloudy, with a low around 39. Southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 39 °F

    Showers
    Likely

  • Saturday

    Saturday: Rain and thunderstorms likely. Mostly cloudy, with a high near 52. South wind 13 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 52 °F

    Rain Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 11pm, then rain after 11pm. Low around 35. South southwest wind 15 to 21 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 35 °F

    Showers

  • Sunday

    Sunday: Rain before 8am, then showers and possibly a thunderstorm after 8am. High near 48. South southwest wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 48 °F

    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of rain, mainly before 11pm. Areas of frost after 5am. Otherwise, mostly cloudy, with a low around 33. West southwest wind 7 to 14 mph, with gusts as high as 22 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Chance Rain
    then Slight
    Chance Rain

  • Monday

    Monday: A 20 percent chance of rain after 11am. Areas of frost before 8am. Otherwise, mostly sunny, with a high near 54.

    High: 54 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: Areas of frost after 5am. Otherwise, mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear
    then Areas
    Frost

  • Tuesday

    Tuesday: Areas of frost before 8am. Otherwise, sunny, with a high near 60.

    High: 60 °F

    Areas Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm before 11pm, then a chance of rain between 11pm and 5am. Mostly cloudy, with a low around 39. Southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Rain and thunderstorms likely. Mostly cloudy, with a high near 52. South wind 13 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm before 11pm, then rain after 11pm. Low around 35. South southwest wind 15 to 21 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Rain before 8am, then showers and possibly a thunderstorm after 8am. High near 48. South southwest wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 50 percent chance of rain, mainly before 11pm. Areas of frost after 5am. Otherwise, mostly cloudy, with a low around 33. West southwest wind 7 to 14 mph, with gusts as high as 22 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 20 percent chance of rain after 11am. Areas of frost before 8am. Otherwise, mostly sunny, with a high near 54.
Monday Night
Areas of frost after 5am. Otherwise, mostly clear, with a low around 34.
Tuesday
Areas of frost before 8am. Otherwise, sunny, with a high near 60.
Tuesday Night
Mostly clear, with a low around 34.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
Sunny, with a high near 60.
Thursday Night
Mostly clear, with a low around 37.
Friday
Sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NE Mount Hamilton CA
 37.46°N 121.5°W (Elev. 3310 ft)
Last Update:
2:57 pm PDT Apr 10, 2026
Forecast Valid:
9pm PDT Apr 10, 2026-6pm PDT Apr 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation