
Pacific Storm System Across the West; Fire Weather Concerns in the Southeast
A Pacific storm system will bring strong winds and low elevation rain to much of the West Coast, and heavy high elevation mountain snow to the Sierra-Nevada through Wednesday. Fire weather concerns will continue into Tuesday across the Mid-South and Southeast as gusty winds and dry conditions persist. Read More >
Current conditions at
Hayward, Hayward Air Terminal (KHWD)
Lat: 37.66083°NLon: 122.11833°WElev: 46.0ft.light rain,mist
53°F
12°C
| Humidity | 96% |
| Wind Speed | N 0 MPH |
| Barometer | 29.88 in (1011.85 mb) |
| Dewpoint | 52°F (11°C) |
| Visibility | 2.00 mi |
| Last update | 21 Apr 03:25 AM PDT |
Extended Forecast for
2 Miles WNW Castro Valley CA
Overnight

Low: 53 °F
Rain
Tuesday

High: 62 °F
Showers
Tuesday Night

Low: 50 °F
Chance Rain
Wednesday

High: 64 °F
Chance Rain
Wednesday Night

Low: 47 °F
Mostly Clear
Thursday

High: 69 °F
Sunny
Thursday Night

Low: 49 °F
Partly Cloudy
Friday

High: 70 °F
Mostly Sunny
Friday Night

Low: 51 °F
Mostly Cloudy
Detailed Forecast
Overnight
Rain, mainly before 5am, then showers after 5am. Low around 53. South wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Showers and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then rain likely and possibly a thunderstorm after 5pm. High near 62. West southwest wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
A chance of rain before midnight, then a chance of rain after 2am. Mostly cloudy, with a low around 50. Southwest wind 6 to 9 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 40 percent chance of rain, mainly before 11am. Mostly sunny, with a high near 64. South southwest wind 5 to 7 mph becoming west in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly clear, with a low around 47. West northwest wind 3 to 8 mph.
Thursday
Sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 70.
Friday Night
Mostly cloudy, with a low around 51.
Saturday
Partly sunny, with a high near 67.
Saturday Night
Mostly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 70.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles WNW Castro Valley CA
37.73°N 122.11°W (Elev. 397 ft)
37.73°N 122.11°W (Elev. 397 ft)
12:31 am PDT Apr 21, 2026
3am PDT Apr 21, 2026-6pm PDT Apr 27, 2026


