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

Extreme Fire Weather Concerns; Severe Thunderstorms from the Plains to Mississippi Valley

Extremely critical fire weather concerns for portions of the southern High Plans as strong wind and very dry conditions could result in rapid spread of any fires. Meanwhile, severe thunderstorms are expected once again across areas of the Central and Southern Plains, then spreading in the Mississippi Valley regions on Monday. Damaging winds, very large hail and strong tornadoes are possible. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Mostly Cloudy

55°F

13°C

Humidity 62%
Wind Speed NW 5 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 26 Apr 09:47 PM PDT
Extended Forecast for

Mount Hamilton CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 38. West wind around 5 mph.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of drizzle before 11am, then a slight chance of drizzle after 2pm. Mostly sunny, with a high near 51. West wind 5 to 7 mph.

    High: 51 °F

    Slight Chance
    Drizzle

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. West northwest wind 5 to 8 mph becoming light and variable after midnight.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 59. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 59 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 45. Northwest wind around 7 mph.

    Low: 45 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 38. West wind around 5 mph.
Monday
A slight chance of drizzle before 11am, then a slight chance of drizzle after 2pm. Mostly sunny, with a high near 51. West wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 40. West northwest wind 5 to 8 mph becoming light and variable after midnight.
Tuesday
Sunny, with a high near 59. Calm wind becoming west northwest around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 45. Northwest wind around 7 mph.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 61.
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:
12:26 am PDT Apr 27, 2026
Forecast Valid:
1am PDT Apr 27, 2026-6pm PDT May 3, 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