Storm Impacting the Southwest U.S.; Above Normal Temperatures Further East

A storm system will shift across the southwest U.S. through Thursday with widespread showers and isolated thunderstorms. Isolated flooding is possible. High-elevation snow is also expected in parts of Nevada and the southern Sierra Nevada range. East of this storm, above average temperatures will challenge or break daily record high temperatures this week in the southern Plains and southeast U.S. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Mostly Cloudy

52°F

11°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 18 Nov 08:47 AM PST
Extended Forecast for

Mount Hamilton CA

  • Today

    Today: Sunny, with a high near 50. East northeast wind 5 to 10 mph becoming west northwest in the afternoon.

    High: 50 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 40. Light southwest wind becoming south 6 to 11 mph in the evening.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 47. South southwest wind around 8 mph.

    High: 47 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Rain, mainly after 4am.  Low around 43. South southwest wind 8 to 14 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Chance Rain
    then Rain

  • Thursday

    Thursday: Rain, mainly before 4pm.  High near 47. South southeast wind 7 to 13 mph becoming west southwest in the afternoon.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 10pm.  Partly cloudy, with a low around 41.

    Low: 41 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 50. East northeast wind 5 to 10 mph becoming west northwest in the afternoon.
Tonight
Partly cloudy, with a low around 40. Light southwest wind becoming south 6 to 11 mph in the evening.
Wednesday
Partly sunny, with a high near 47. South southwest wind around 8 mph.
Wednesday Night
Rain, mainly after 4am. Low around 43. South southwest wind 8 to 14 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain, mainly before 4pm. High near 47. South southeast wind 7 to 13 mph becoming west southwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 41.
Friday
Sunny, with a high near 50.
Friday Night
Mostly clear, with a low around 42.
Saturday
Sunny, with a high near 54.
Saturday Night
Clear, with a low around 43.
Sunday
Sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 44.
Monday
Mostly sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Hamilton CA
 37.35°N 121.64°W (Elev. 2398 ft)
8:01 am PST Nov 18, 2025
9am PST Nov 18, 2025-6pm PST Nov 24, 2025
 
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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