Areas of Severe Thunderstorms, Excessive Rainfall, and Extreme Heat Tuesday

In the Northern Plains into the Upper Great Lakes and Mid-Atlantic, heavy to excessive rain may bring flash and urban flooding Tuesday. Severe thunderstorms producing damaging winds are most likely over parts of the Dakotas into Minnesota Tuesday afternoon into the overnight, with other isolated storms producing hail or wind over the northern High Plains. Extreme heat returns to the southwest U.S. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Overcast

57°F

14°C

Humidity 87%
Wind Speed WNW 10 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 07 Jul 02:35 AM PDT
Extended Forecast for

2 Miles SW Castro Valley CA

  • Overnight

    Overnight: Cloudy, with a low around 56. West southwest wind around 8 mph.

    Low: 56 °F

    Cloudy

  • Tuesday

    Tuesday: Cloudy through mid morning, then gradual clearing, with a high near 68. West wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 68 °F

    Gradual
    Clearing

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 55. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 71. West southwest wind 7 to 9 mph.

    High: 71 °F

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56. Southwest wind 6 to 9 mph.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 56. West southwest wind around 8 mph.
Tuesday
Cloudy through mid morning, then gradual clearing, with a high near 68. West wind 8 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
Increasing clouds, with a low around 55. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 71. West southwest wind 7 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 56. Southwest wind 6 to 9 mph.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Partly sunny, with a high near 78.
Saturday Night
Mostly cloudy, with a low around 59.
Sunday
Partly sunny, with a high near 79.
Sunday Night
Mostly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Castro Valley CA
 37.69°N 122.07°W (Elev. 197 ft)
2:31 am PDT Jul 7, 2026
2am PDT Jul 7, 2026-6pm PDT Jul 13, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database