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

Atmospheric River to Impact the Northwest; Windy Conditions in the Northeast

A strong atmospheric river moving into northern California later today will bring a threat for moderate to heavy rainfall and flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. through Wednesday. Gusty winds and isolated showers are expected today in the Northeast U.S. behind a cold front. Wind Advisories have been issued. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Partly Cloudy

75°F

24°C

Humidity 47%
Wind Speed SW 5 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 04 Nov 12:47 PM PST
Extended Forecast for

4 Miles SW Mount Hamilton CA

  • This Afternoon

    This Afternoon: Increasing clouds, with a high near 70. South wind 11 to 13 mph.

    High: 70 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 49. Southeast wind 9 to 18 mph, with gusts as high as 25 mph.

    Low: 49 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Rain, mainly before 4pm. High near 59. Breezy, with a south wind 20 to 25 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 47. South wind 5 to 9 mph becoming calm after midnight. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Chance Rain
    then Mostly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 65. West northwest wind 5 to 11 mph.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Increasing clouds, with a high near 70. South wind 11 to 13 mph.
Tonight
Increasing clouds, with a low around 49. Southeast wind 9 to 18 mph, with gusts as high as 25 mph.
Wednesday
Rain, mainly before 4pm. High near 59. Breezy, with a south wind 20 to 25 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 40 percent chance of rain before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 47. South wind 5 to 9 mph becoming calm after midnight. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Sunny, with a high near 65. West northwest wind 5 to 11 mph.
Thursday Night
Mostly clear, with a low around 47.
Friday
Mostly sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Partly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Mount Hamilton CA
 37.3°N 121.69°W (Elev. 1401 ft)
Last Update:
12:51 pm PST Nov 4, 2025
Forecast Valid:
1pm PST Nov 4, 2025-6pm PST Nov 10, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation