
Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.
A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >
Hazardous Weather Conditions
Current conditions at
San Jose / Reid / Hillv (KRHV)
Lat: 37.33333°NLon: 121.81667°WElev: 135.0ft.
Clear
45°F
7°C
| Humidity | 70% |
| Wind Speed | N 0 MPH |
| Barometer | 30.24 in (1024.04 mb) |
| Dewpoint | 35°F (2°C) |
| Visibility | 10.00 mi |
| Last update | 29 Dec 09:55 PM PST |
Extended Forecast for
Mount Hamilton CA
Cold Weather Advisory December 30, 01:00am until December 30, 09:00am
Tonight

Low: 47 °F
Clear
Tuesday

High: 59 °F
Increasing
CloudsTuesday Night

Low: 53 °F
Chance Rain
Wednesday

High: 52 °F
Rain
Wednesday Night

Low: 47 °F
Rain
New Year's Day

High: 54 °F
Rain
Thursday Night

Low: 50 °F
Rain Likely
Friday

High: 53 °F
Rain Likely
Friday Night

Low: 44 °F
Rain
Detailed Forecast
Tonight
Clear, with a steady temperature around 47. East southeast wind around 6 mph.
Tuesday
Increasing clouds, with a high near 59. Southeast wind 3 to 8 mph.
Tuesday Night
A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a steady temperature around 53. East southeast wind around 8 mph.
Wednesday
Rain, mainly after 10am. High near 52. East southeast wind 8 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain. Low around 47. South southeast wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
New Year's Day
Rain. High near 54. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain likely. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.
Friday
Rain likely. Mostly cloudy, with a high near 53.
Friday Night
Rain. Mostly cloudy, with a low around 44.
Saturday
Rain likely. Mostly cloudy, with a high near 50.
Saturday Night
Rain likely. Mostly cloudy, with a low around 42.
Sunday
A chance of rain. Partly sunny, with a high near 51.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 43.
Monday
A chance of rain. Partly sunny, with a high near 52.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Mount Hamilton CA
37.35°N 121.64°W (Elev. 2398 ft)
37.35°N 121.64°W (Elev. 2398 ft)
12:27 pm PST Dec 29, 2025
10pm PST Dec 29, 2025-6pm PST Jan 5, 2026



