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

Fire Weather Concerns in the Intermountain West into the Plains

Anomalously warm, dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the Intermountain West into the Plains though early this week. Another elevated risk is possible across the central Appalachians. A rapid warm-up is in the forecast beginning Monday across the central and eastern U.S.. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Clear

79°F

26°C

Humidity 29%
Wind Speed WSW 8 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 29 Mar 01:35 PM PDT
Extended Forecast for

2 Miles SW Castro Valley CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 89. West northwest wind 5 to 7 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 57. West wind around 6 mph becoming calm in the evening.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 78. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 78 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 55. West wind 3 to 7 mph.

    Low: 55 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 71. West southwest wind 3 to 8 mph.

    High: 71 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain. Partly sunny, with a high near 70.

    High: 70 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance Rain

  • Thursday

    Thursday: A slight chance of rain before 11am. Mostly sunny, with a high near 66.

    High: 66 °F

    Slight Chance
    Rain then
    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 89. West northwest wind 5 to 7 mph.
Tonight
Partly cloudy, with a low around 57. West wind around 6 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 78. Calm wind becoming west 5 to 7 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 55. West wind 3 to 7 mph.
Tuesday
A 40 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 71. West southwest wind 3 to 8 mph.
Tuesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 52.
Wednesday
A 30 percent chance of rain. Partly sunny, with a high near 70.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 50.
Thursday
A slight chance of rain before 11am. Mostly sunny, with a high near 66.
Thursday Night
Clear, with a low around 45.
Friday
Sunny, with a high near 74.
Friday Night
Clear, with a low around 49.
Saturday
Sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Castro Valley CA
 37.69°N 122.07°W (Elev. 197 ft)
Last Update:
1:26 pm PDT Mar 29, 2026
Forecast Valid:
1pm PDT Mar 29, 2026-6pm PDT Apr 4, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation