Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Mostly Cloudy

54°F

12°C

Humidity	80%
Wind Speed	SSE 12 MPH
Barometer	29.87 in (1011.51 mb)
Dewpoint	48°F (9°C)
Visibility	10.00 mi
Last update	12 Apr 08:54 AM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

2 Miles NNW Castro Valley CA

Today
High: 58 °F
Showers
Tonight
Low: 46 °F
Chance
Showers then
Mostly Cloudy
Monday
High: 62 °F
Mostly Sunny
Monday Night
Low: 46 °F
Mostly Clear
Tuesday
High: 63 °F
Mostly Sunny
Tuesday Night
Low: 46 °F
Mostly Clear
Wednesday
High: 65 °F
Partly Sunny
Wednesday Night
Low: 47 °F
Partly Cloudy
Thursday
High: 67 °F
Sunny

Detailed Forecast

Today

Showers and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms, mainly between 4pm and 5pm. High near 58. South southwest wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

A 30 percent chance of showers, mainly before 10pm. Mostly cloudy, with a low around 46. West southwest wind 5 to 8 mph becoming calm after midnight.

Monday

Mostly sunny, with a high near 62. Calm wind becoming west 5 to 9 mph in the afternoon.

Monday Night

Mostly clear, with a low around 46. West southwest wind 6 to 8 mph.

Tuesday

Mostly sunny, with a high near 63. West southwest wind 5 to 10 mph.

Tuesday Night

Mostly clear, with a low around 46.

Wednesday

Partly sunny, with a high near 65.