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

Hayward, Hayward Air Terminal (KHWD)

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

Overcast

57°F

14°C

Humidity 76%
Wind Speed W 6 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 19 Oct 03:20 AM PDT
Extended Forecast for

2 Miles SW Castro Valley CA

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 56. West wind around 7 mph.

    Low: 56 °F

    Mostly Cloudy

  • Monday

    Monday: Cloudy through mid morning, then gradual clearing, with a high near 64. West wind 7 to 10 mph.

    High: 64 °F

    Gradual
    Clearing

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 51. West wind 5 to 8 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 67. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 67 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 54. Northwest wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely. Mostly cloudy, with a high near 66. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 66 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Patchy fog between 8pm and 10pm. Otherwise, mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: A slight chance of showers. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 65.

    High: 65 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 56. West wind around 7 mph.
Monday
Cloudy through mid morning, then gradual clearing, with a high near 64. West wind 7 to 10 mph.
Monday Night
Mostly cloudy, with a low around 51. West wind 5 to 8 mph becoming calm in the evening.
Tuesday
Mostly cloudy, with a high near 67. Calm wind becoming west northwest around 5 mph in the afternoon.
Tuesday Night
A 50 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 54. Northwest wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers likely. Mostly cloudy, with a high near 66. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 50 percent chance of showers. Patchy fog between 8pm and 10pm. Otherwise, mostly cloudy, with a low around 53.
Thursday
A slight chance of showers. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 65.
Thursday Night
Mostly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 69.
Saturday Night
A slight chance of rain. Partly cloudy, with a low around 52.
Sunday
A slight chance of rain. 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 122.07°W (Elev. 197 ft)
Last Update:
2:37 am PDT Oct 19, 2026
Forecast Valid:
3am PDT Oct 19, 2026-6pm PDT Oct 25, 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