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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

59°F

15°C

Humidity 54%
Wind Speed SW 8 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 12 Apr 07:47 PM PDT
Extended Forecast for

11 Miles ENE Mount Hamilton CA

  • Overnight

    Overnight: A 20 percent chance of rain. Mostly cloudy, with a low around 35. West wind around 5 mph.

    Low: 35 °F

    Slight Chance
    Rain

  • Monday

    Monday: Patchy frost before 7am. Otherwise, mostly sunny, with a high near 53. West northwest wind 5 to 10 mph, with gusts as high as 18 mph.

    High: 53 °F

    Patchy Frost
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. West wind 9 to 11 mph, with gusts as high as 18 mph.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost

  • Tuesday

    Tuesday: Sunny, with a high near 60. West wind 5 to 7 mph becoming light and variable.

    High: 60 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Patchy frost after 2am. Otherwise, mostly clear, with a low around 37. West southwest wind around 9 mph.

    Low: 37 °F

    Mostly Clear
    then Patchy
    Frost

  • Wednesday

    Wednesday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

Detailed Forecast

Overnight
A 20 percent chance of rain. Mostly cloudy, with a low around 35. West wind around 5 mph.
Monday
Patchy frost before 7am. Otherwise, mostly sunny, with a high near 53. West northwest wind 5 to 10 mph, with gusts as high as 18 mph.
Monday Night
Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. West wind 9 to 11 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 60. West wind 5 to 7 mph becoming light and variable.
Tuesday Night
Patchy frost after 2am. Otherwise, mostly clear, with a low around 37. West southwest wind around 9 mph.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Sunny, with a high near 56.
Thursday Night
Clear, with a low around 38.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 42.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles ENE Mount Hamilton CA
 37.42°N 121.46°W (Elev. 2864 ft)
Last Update:
1:26 am PDT Apr 13, 2026
Forecast Valid:
2am PDT Apr 13, 2026-6pm PDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation