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

Severe Weather and Flooding Threats for the Central U.S.; Fire Weather Concerns for the Western U.S.

Severe weather and flooding threats continue for portions of the central U.S., with impactful flash flooding possible from southern Kansas to southwestern Missouri. Extremely Critical fire weather conditions will develop across the Great Basin and Southwest on Friday, with dry and windy conditions through the weekend. Dangerous heat will increase across the southern and central U.S. this weekend. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Mostly Cloudy

58°F

14°C

Humidity 77%
Wind Speed W 11 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 25 Jun 11:54 PM PDT
Extended Forecast for

2 Miles SW Castro Valley CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 56. West southwest wind around 10 mph, with gusts as high as 18 mph.

    Low: 56 °F

    Mostly Cloudy

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 69. West southwest wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 69 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Cloudy, with a low around 58. West southwest wind 9 to 14 mph, with gusts as high as 23 mph.

    Low: 58 °F

    Cloudy

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 66. West wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 66 °F

    Gradual
    Clearing

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53. West wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 56. West southwest wind around 10 mph, with gusts as high as 18 mph.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 69. West southwest wind 9 to 13 mph, with gusts as high as 22 mph.
Friday Night
Cloudy, with a low around 58. West southwest wind 9 to 14 mph, with gusts as high as 23 mph.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 66. West wind 9 to 14 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 53. West wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 75.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Castro Valley CA
 37.69°N 122.1°W (Elev. 174 ft)
Last Update:
11:26 pm PDT Jun 25, 2026
Forecast Valid:
12am PDT Jun 26, 2026-6pm PDT Jul 2, 2026
 
Forecast Discussion
 
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Additional Resources

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