Dangerous Cold Persists through Monday; Wintry Weather from the Northern Plains to the Great Lakes

Bitter cold temperatures and dangerous wind chills will persist from Florida to the Northeast through Monday. Daily record low temperatures are forecast across the Southeast and Florida, with some all-time February low temperature records possible across Florida. An Alberta clipper will spread wintry precipitation across the Northern Plains today and into the upper Great Lakes into tonight. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Clear

55°F

13°C

Humidity 71%
Wind Speed N 0 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 01 Feb 07:54 PM PST
Extended Forecast for

3 Miles WNW Castro Valley CA

  • Tonight

    Tonight: Mostly clear, with a low around 45. Light northeast wind.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 68. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 69. Northeast wind 5 to 7 mph.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 46. East northeast wind 3 to 5 mph.

    Low: 46 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 45. Light northeast wind.
Monday
Sunny, with a high near 68. Calm wind becoming north northwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 45. Calm wind.
Tuesday
Sunny, with a high near 69. Northeast wind 5 to 7 mph.
Tuesday Night
Clear, with a low around 46. East northeast wind 3 to 5 mph.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
A slight chance of rain. Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Castro Valley CA
 37.73°N 122.11°W (Elev. 397 ft)
1:33 pm PST Feb 1, 2026
8pm PST Feb 1, 2026-6pm PST Feb 8, 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