
Severe Thunderstorm and Heavy Rainfall Threat Tonight; Heat Continues on Tuesday Across the Eastern U.S.
Severe weather and flash flooding threats continue across the Central Plains and Midwest into tonight. Very large hail, strong tornadoes and damaging winds are expected. An early season heat wave will continue to challenge temperature records across the eastern U.S. through Wednesday. Read More >
Current conditions at
San Jose / Reid / Hillv (KRHV)
Lat: 37.33333°NLon: 121.81667°WElev: 135.0ft.
Clear
82°F
28°C
| Humidity | 14% |
| Wind Speed | WNW 13 MPH |
| Barometer | 29.91 in (1012.87 mb) |
| Dewpoint | 29°F (-2°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 18 May 05:47 PM PDT |
Extended Forecast for
4 Miles S Mount Hamilton CA
Tonight

Low: 52 °F
Clear
Tuesday

High: 76 °F
Sunny
Tuesday Night

Low: 57 °F
Mostly Clear
Wednesday

High: 78 °F
Sunny
Wednesday Night

Low: 56 °F
Mostly Clear
Thursday

High: 78 °F
Sunny
Thursday Night

Low: 53 °F
Clear
Friday

High: 75 °F
Sunny
Friday Night

Low: 50 °F
Mostly Clear
Detailed Forecast
Tonight
Clear, with a low around 52. North wind 6 to 9 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 76. North northeast wind 5 to 7 mph becoming west northwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 57. North wind 3 to 8 mph. Winds could gust as high as 18 mph.
Wednesday
Sunny, with a high near 78. Calm wind becoming west southwest around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 56. West wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 78.
Thursday Night
Clear, with a low around 53.
Friday
Sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 49.
Memorial Day
Sunny, with a high near 71.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles S Mount Hamilton CA
37.28°N 121.63°W (Elev. 2831 ft)
37.28°N 121.63°W (Elev. 2831 ft)
1:26 pm PDT May 18, 2026
6pm PDT May 18, 2026-6pm PDT May 25, 2026


