Fire Weather Issues; Pacific System Moving Inland

Dry fuels, strong winds and dry weather will continue to bring elevated to critical fire weather conditions to the areas of the Plains, Midwest and Southeast today. A Pacific storm system will bring low elevation rain and heavy high elevation mountain snow to California through early week, expanding into the Pacific Northwest, Great Basin, and southern California on Tuesday. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Rain

61°F

16°C

Humidity 80%
Wind Speed SW 6 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 55°F (13°C)
Visibility 7.00 mi
Last update 20 Apr 02:54 PM PDT
Extended Forecast for

2 Miles WNW Castro Valley CA

  • This Afternoon

    This Afternoon: Rain, mainly before 5pm, then showers and possibly a thunderstorm after 5pm.  Steady temperature around 64. South southwest wind 9 to 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Showers

  • Tonight

    Tonight: Rain and possibly a thunderstorm.  Low around 53. South wind 5 to 11 mph, with gusts as high as 18 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Rain

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm.  High near 62. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 62 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then rain likely, mainly between 8pm and 11pm.  Mostly cloudy, with a low around 50. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of rain before 11am.  Mostly sunny, with a high near 64. West wind 5 to 8 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Chance Rain
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Rain, mainly before 5pm, then showers and possibly a thunderstorm after 5pm. Steady temperature around 64. South southwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain and possibly a thunderstorm. Low around 53. South wind 5 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Showers and possibly a thunderstorm. High near 62. Southwest wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then rain likely, mainly between 8pm and 11pm. Mostly cloudy, with a low around 50. Southwest wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of rain before 11am. Mostly sunny, with a high near 64. West wind 5 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Partly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Partly sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Castro Valley CA
 37.73°N 122.11°W (Elev. 397 ft)
1:26 pm PDT Apr 20, 2026
3pm PDT Apr 20, 2026-6pm PDT Apr 27, 2026
 
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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