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

Severe Weather for Northeast Southeastward into the Southern Plains; Flooding in the Upper Great Lakes

Severe thunderstorms are expected from the Northeast to Texas through the night and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains and the mid-Atlantic. There is late-season snow over the Northern/Central Rockies and the Northern Plains. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Clear

63°F

17°C

Humidity 18%
Wind Speed NNW 10 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 16 Apr 09:55 PM PDT
Extended Forecast for

Mount Hamilton CA

  • Overnight

    Overnight: Clear, with a low around 41. North northwest wind 14 to 16 mph, with gusts as high as 30 mph.

    Low: 41 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 60. North northeast wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46. North northwest wind 5 to 7 mph becoming calm after midnight.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 66. Calm wind becoming south around 5 mph in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 49. West wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Rain

  • Monday

    Monday: Rain likely, mainly after 11am. Partly sunny, with a high near 56.

    High: 56 °F

    Rain Likely

  • Monday Night

    Monday Night: A chance of rain. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain

Detailed Forecast

Overnight
Clear, with a low around 41. North northwest wind 14 to 16 mph, with gusts as high as 30 mph.
Friday
Sunny, with a high near 60. North northeast wind 7 to 10 mph, with gusts as high as 18 mph.
Friday Night
Partly cloudy, with a low around 46. North northwest wind 5 to 7 mph becoming calm after midnight.
Saturday
Mostly sunny, with a high near 66. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 49. West wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 65.
Sunday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 46.
Monday
Rain likely, mainly after 11am. Partly sunny, with a high near 56.
Monday Night
A chance of rain. Mostly cloudy, with a low around 44.
Tuesday
Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 50.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 44.
Wednesday
A chance of rain. Partly sunny, with a high near 53.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Sunny, with a high near 58.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Hamilton CA
 37.35°N 121.64°W (Elev. 2398 ft)
Last Update:
11:26 pm PDT Apr 16, 2026
Forecast Valid:
12am PDT Apr 17, 2026-6pm PDT Apr 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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