Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Mostly Cloudy

57°F

14°C

Humidity 71%
Wind Speed S 6 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 12 Apr 11:48 AM PDT
Extended Forecast for

7 Miles NW Mount Hamilton CA

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm.  High near 48. Southwest wind around 13 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: 48 °F

    Showers

  • Tonight

    Tonight: A 50 percent chance of showers between 2am and 5am.  Mostly cloudy, with a low around 42. West southwest wind 5 to 9 mph becoming light  after midnight.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers, mainly before 7am.  Mostly sunny, with a high near 54. East wind 5 to 9 mph becoming west in the morning.

    High: 54 °F

    Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 44. West southwest wind 7 to 10 mph.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. West southwest wind 6 to 8 mph.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. High near 48. Southwest wind around 13 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 50 percent chance of showers between 2am and 5am. Mostly cloudy, with a low around 42. West southwest wind 5 to 9 mph becoming light after midnight. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 30 percent chance of showers, mainly before 7am. Mostly sunny, with a high near 54. East wind 5 to 9 mph becoming west in the morning.
Monday Night
Partly cloudy, with a low around 44. West southwest wind 7 to 10 mph.
Tuesday
Mostly sunny, with a high near 57. West southwest wind 6 to 8 mph.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Mostly sunny, with a high near 58.
Wednesday Night
Mostly cloudy, with a low around 47.
Thursday
Sunny, with a high near 58.
Thursday Night
Clear, with a low around 45.
Friday
Sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NW Mount Hamilton CA
 37.42°N 121.75°W (Elev. 2799 ft)
1:26 pm PDT Apr 12, 2026
2pm PDT Apr 12, 2026-6pm PDT Apr 18, 2026
 
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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