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

10 Miles E Mount Hamilton CA

  • Tonight

    Tonight: A slight chance of rain before 1am, then a slight chance of rain after 4am.  Patchy fog after 11pm. Patchy frost after 4am.  Otherwise, mostly cloudy, with a low around 32. Calm wind.  Chance of precipitation is 20%.

    Low: 32 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Monday

    Monday: Areas of fog before 10am. Areas of frost before 8am.  Otherwise, mostly sunny, with a high near 58. Calm wind becoming northwest 5 to 9 mph in the afternoon.

    High: 58 °F

    Areas Frost
    and Areas Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 5am. Patchy frost after 3am.  Otherwise, mostly clear, with a low around 32. West northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 32 °F

    Mostly Clear
    then Patchy
    Frost and
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Patchy frost before 8am.  Otherwise, sunny, with a high near 64. Calm wind becoming west around 6 mph in the afternoon.

    High: 64 °F

    Patchy Frost
    and Patchy
    Fog then
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 5am. Patchy frost after midnight.  Otherwise, mostly clear, with a low around 33. West wind around 6 mph becoming calm  in the evening.

    Low: 33 °F

    Mostly Clear
    then Patchy
    Frost and
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Patchy frost before 7am.  Otherwise, mostly sunny, with a high near 65.

    High: 65 °F

    Patchy Frost
    and Patchy
    Fog then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 34.

    Low: 34 °F

    Clear

Detailed Forecast

Tonight
A slight chance of rain before 1am, then a slight chance of rain after 4am. Patchy fog after 11pm. Patchy frost after 4am. Otherwise, mostly cloudy, with a low around 32. Calm wind. Chance of precipitation is 20%.
Monday
Areas of fog before 10am. Areas of frost before 8am. Otherwise, mostly sunny, with a high near 58. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Monday Night
Patchy fog after 5am. Patchy frost after 3am. Otherwise, mostly clear, with a low around 32. West northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Patchy fog before 9am. Patchy frost before 8am. Otherwise, sunny, with a high near 64. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
Patchy fog after 5am. Patchy frost after midnight. Otherwise, mostly clear, with a low around 33. West wind around 6 mph becoming calm in the evening.
Wednesday
Patchy fog before 9am. Patchy frost before 7am. Otherwise, mostly sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Sunny, with a high near 62.
Thursday Night
Clear, with a low around 34.
Friday
Sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 37.
Saturday
Sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles E Mount Hamilton CA
 37.33°N 121.47°W (Elev. 2113 ft)
6:36 pm PDT Apr 12, 2026
10pm PDT Apr 12, 2026-6pm PDT Apr 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database