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

Snow Squalls May Impact the Northeast on Thursday; Dangerously Cold Arctic Air Impact the North-Central US

Snow showers and snow squalls are likely to develop across the Northeast on Thursday. Lake effect snow will persist downwind of the Great Lakes. An arctic blast will bring frigid temperatures, gusty winds and dangerous wind chills to the Northern Plains before expanding to the South and East. A major winter storm will begin impacting the Southern Plains and Lower Mississippi Valley Friday. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Mostly Cloudy

54°F

12°C

Humidity 81%
Wind Speed NA 3 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 21 Jan 09:47 PM PST
Extended Forecast for

Mount Hamilton CA

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 49. Calm wind.

    Low: 49 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 58. Light and variable wind.

    High: 58 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41. Light and variable wind.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 56. Light and variable wind.

    High: 56 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 38. North wind around 6 mph.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 49. Calm wind.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 58. Light and variable wind.
Thursday Night
Mostly clear, with a low around 41. Light and variable wind.
Friday
Sunny, with a high near 56. Light and variable wind.
Friday Night
Mostly clear, with a low around 38. North wind around 6 mph.
Saturday
Sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 39.
Sunday
Partly sunny, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 45.
Wednesday
A chance of rain. Mostly cloudy, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Hamilton CA
 37.35°N 121.64°W (Elev. 2398 ft)
Last Update:
1:13 am PST Jan 22, 2026
Forecast Valid:
1am PST Jan 22, 2026-6pm PST Jan 28, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation