Monsoon Activity Continues in the Rockies and High Plains; Heat Builds in the West

Monsoon moisture will continue to bring a threat of heavy rain and flash flooding from the Intermountain West to the High Plains. Complex terrain, burn scars, and urban areas will be especially vulnerable to flooding. Heavy rain along a nearly stationary front in the South and Southeast could produce flash flooding. Dry lightning in Oregon could initiate new fires. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

Lat: 37.66083°NLon: 122.11833°WElev: 46ft.

Clear

63°F

17°C

Humidity 72%
Wind Speed WNW 11 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 01 Aug 10:10 PM PDT
Extended Forecast for

Castro Valley CA

  • Tonight

    Tonight: Increasing clouds, with a low around 55. West wind 3 to 6 mph.

    Increasing
    Clouds

    Low: 55 °F

  • Monday

    Monday: Cloudy through mid morning, then gradual clearing, with a high near 80. West wind 3 to 8 mph.

    Gradual
    Clearing

    High: 80 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 54. West southwest wind 3 to 7 mph.

    Partly Cloudy

    Low: 54 °F

  • Tuesday

    Tuesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 79. Calm wind becoming west 5 to 9 mph in the afternoon.

    Becoming
    Sunny

    High: 79 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 54. West southwest wind 6 to 9 mph, with gusts as high as 18 mph.

    Partly Cloudy

    Low: 54 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72.

    Mostly Sunny

    High: 72 °F

  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, with a low around 55.

    Mostly Cloudy

    Low: 55 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 78.

    Mostly Sunny

    High: 78 °F

  • Thursday
    Night

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

    Mostly Clear

    Low: 56 °F

Detailed Forecast

Tonight
Increasing clouds, with a low around 55. West wind 3 to 6 mph.
Monday
Cloudy through mid morning, then gradual clearing, with a high near 80. West wind 3 to 8 mph.
Monday Night
Partly cloudy, with a low around 54. West southwest wind 3 to 7 mph.
Tuesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 79. Calm wind becoming west 5 to 9 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 54. West southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
Mostly cloudy, with a low around 55.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 56.
Friday
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Mostly sunny, with a high near 76.
Click Map For Forecast
Point Forecast:
Castro Valley CA
 37.72°N 122.05°W (Elev. 397 ft)
3:01 pm PDT Aug 1, 2021
10pm PDT Aug 1, 2021-6pm PDT Aug 8, 2021
 
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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