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 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.

Mostly Cloudy

59°F

15°C

Humidity 77%
Wind Speed SE 6 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 10 Apr 06:55 AM PDT
Extended Forecast for

11 Miles NE Mount Hamilton CA

  • Today

    Today: Showers and thunderstorms, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm. High near 55. South wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 55 °F

    Showers

  • Tonight

    Tonight: A chance of rain and thunderstorms, then rain likely after 9pm. Mostly cloudy, with a low around 39. Southwest wind 9 to 13 mph, with gusts as high as 22 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

    Rain Likely

  • Saturday

    Saturday: Rain, mainly between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 52. South wind 11 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 52 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 11pm, then rain after 11pm. Low around 35. South southwest wind 15 to 18 mph, with gusts as high as 31 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 11am, then showers and possibly a thunderstorm between 11am and 5pm, then a chance of showers and thunderstorms after 5pm. High near 48. South wind 14 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 48 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then a chance of rain, mainly between 8pm and 11pm. Areas of frost after 5am. Otherwise, mostly cloudy, with a low around 34. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 34 °F

    Chance
    Showers then
    Slight Chance
    Rain

  • Monday

    Monday: Areas of frost before 8am. Otherwise, mostly sunny, with a high near 53.

    High: 53 °F

    Areas Frost
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

Detailed Forecast

Today
Showers and thunderstorms, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm. High near 55. South wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of rain and thunderstorms, then rain likely after 9pm. Mostly cloudy, with a low around 39. Southwest wind 9 to 13 mph, with gusts as high as 22 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, mainly between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 52. South wind 11 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. 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 18 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Rain before 11am, then showers and possibly a thunderstorm between 11am and 5pm, then a chance of showers and thunderstorms after 5pm. High near 48. South wind 14 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers and thunderstorms before 8pm, then a chance of rain, mainly between 8pm and 11pm. Areas of frost after 5am. Otherwise, mostly cloudy, with a low around 34. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Areas of frost before 8am. Otherwise, mostly sunny, with a high near 53.
Monday Night
Mostly clear, with a low around 33.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Mostly clear, with a low around 36.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Mostly 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:
2:51 am PDT Apr 10, 2026
Forecast Valid:
8am PDT Apr 10, 2026-6pm PDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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