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

Lingering Winter Weather in Interior New England; Snow Squalls Developing Downwind of the Lower Great Lakes

A wintry mix will continue in interior New England through tonight as a coastal storm quickly passes to the east. Heavy snow is expected in northern Maine, with a coating of ice expected for much of interior New England. Behind this storm system, lake effect snow and snow squalls will develop from the Ohio Valley to interior New England through Monday. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

Lat: 37.66083°NLon: 122.11833°WElev: 46.0ft.

Clear

45°F

7°C

Humidity 70%
Wind Speed ENE 3 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 12 Jan 12:20 AM PST
Extended Forecast for

Castro Valley CA

  • Overnight

    Overnight: Mostly clear, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 61. East northeast wind 3 to 6 mph.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 40. Light east northeast wind.

    Low: 40 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 63. East northeast wind around 6 mph.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42. Light east northeast wind.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 38. Calm wind.
Monday
Sunny, with a high near 61. East northeast wind 3 to 6 mph.
Monday Night
Clear, with a low around 40. Light east northeast wind.
Tuesday
Sunny, with a high near 63. East northeast wind around 6 mph.
Tuesday Night
Mostly clear, with a low around 42. Light east northeast wind.
Wednesday
Sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 44.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Castro Valley CA
 37.72°N 122.05°W (Elev. 397 ft)
Last Update:
12:26 am PST Jan 12, 2026
Forecast Valid:
12am PST Jan 12, 2026-6pm PST Jan 18, 2026
 
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Additional Resources

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National Digital Forecast Database

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Chance of Precipitation