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.

Overcast

57°F

14°C

Humidity	93%
Wind Speed	SE 5 MPH
Barometer	29.87 in (1011.51 mb)
Dewpoint	55°F (13°C)
Visibility	10.00 mi
Last update	11 Apr 04:00 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: 62 °F
Chance
Showers then
Showers
Tonight
Low: 48 °F
Showers then
Showers
Likely
Sunday
High: 58 °F
Showers
Sunday Night
Low: 46 °F
Chance Rain
then Partly
Cloudy
Monday
High: 63 °F
Mostly Sunny
Monday Night
Low: 46 °F
Mostly Clear
Tuesday
High: 64 °F
Sunny
Tuesday Night
Low: 46 °F
Mostly Clear
Wednesday
High: 65 °F
Mostly Sunny

Detailed Forecast

Today

Rain and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. High near 62. South wind 7 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and 3am, then showers likely and possibly a thunderstorm after 3am. Low around 48. South southwest wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Sunday

Showers and possibly a thunderstorm. High near 58. South southwest wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

A 30 percent chance of rain before 11pm. Partly cloudy, with a low around 46. West southwest wind 5 to 10 mph becoming light south southwest after midnight. Winds could gust as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.

Monday

Mostly sunny, with a high near 63. Calm wind becoming west 5 to 7 mph in the afternoon.

Monday Night

Mostly clear, with a low around 46.

Tuesday

Sunny, with a high near 64.

Tuesday Night

Mostly clear, with a low around 46.

Wednesday

Mostly sunny, with a high near 65.

Wednesday Night

Partly cloudy, with a low around 47.