Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday
Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. 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 | 42% |
| Wind Speed | WNW 5 MPH |
| Barometer | 30.26 in (1024.72 mb) |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Last update | 12 Jan 01:50 PM PST |
Extended Forecast for
4 Miles SW Mount Hamilton CA
This Afternoon
High: 64 °F
Sunny
Tonight
Low: 42 °F
Clear
Tuesday
High: 69 °F
Sunny
Tuesday Night
Low: 43 °F
Clear
Wednesday
High: 69 °F
Sunny
Wednesday Night
Low: 45 °F
Clear
Thursday
High: 71 °F
Sunny
Thursday Night
Low: 45 °F
Clear
Friday
High: 70 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 64. West northwest wind around 6 mph.
Tonight
Clear, with a low around 42. East wind around 7 mph.
Tuesday
Sunny, with a high near 69. East wind around 6 mph becoming northwest in the afternoon.
Tuesday Night
Clear, with a low around 43. Light northeast wind.
Wednesday
Sunny, with a high near 69. Northeast wind 3 to 5 mph.
Wednesday Night
Clear, with a low around 45.
Thursday
Sunny, with a high near 71.
Thursday Night
Clear, with a low around 45.
Friday
Sunny, with a high near 70.
Friday Night
Clear, with a low around 45.
Saturday
Sunny, with a high near 69.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Sunny, with a high near 70.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles SW Mount Hamilton CA
37.3°N 121.69°W (Elev. 1401 ft)
37.3°N 121.69°W (Elev. 1401 ft)
12:41 pm PST Jan 12, 2026
2pm PST Jan 12, 2026-6pm PST Jan 18, 2026
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