Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Clear

77°F

25°C

Humidity 23%
Wind Speed WSW 3 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 19 May 10:50 AM PDT
Extended Forecast for

6 Miles NNW Mount Hamilton CA

  • Today

    Today: Sunny, with a high near 69. North northwest wind around 9 mph, with gusts as high as 18 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 59. Northwest wind 6 to 11 mph.

    Low: 59 °F

    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80. Calm wind becoming west 5 to 8 mph in the morning.

    High: 80 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. West northwest wind 5 to 9 mph becoming light and variable  after midnight.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 69. North northwest wind around 9 mph, with gusts as high as 18 mph.
Tonight
Clear, with a low around 59. Northwest wind 6 to 11 mph.
Wednesday
Mostly sunny, with a high near 80. Calm wind becoming west 5 to 8 mph in the morning.
Wednesday Night
Mostly clear, with a low around 59. West northwest wind 5 to 9 mph becoming light and variable after midnight.
Thursday
Sunny, with a high near 80. Calm wind becoming west 5 to 7 mph in the afternoon.
Thursday Night
Clear, with a low around 58.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 50.
Memorial Day
Sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Mount Hamilton CA
 37.43°N 121.69°W (Elev. 3619 ft)
11:27 am PDT May 19, 2026
11am PDT May 19, 2026-6pm PDT May 25, 2026
 
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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