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.

light rain,mist

59°F

15°C

Humidity	87%
Wind Speed	SE 8 MPH
Barometer	29.88 in (1011.85 mb)
Dewpoint	55°F (13°C)
Visibility	5.00 mi
Last update	10 Apr 11:00 AM PDT

More Information:

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

Extended Forecast for

3 Miles WNW Castro Valley CA

Today
High: 68 °F
Showers
Tonight
Low: 54 °F
Showers
Likely
Saturday
High: 64 °F
Showers
Saturday Night
Low: 49 °F
Showers
Sunday
High: 61 °F
Showers
Sunday Night
Low: 48 °F
Chance Rain
Monday
High: 65 °F
Mostly Sunny
Monday Night
Low: 48 °F
Mostly Clear
Tuesday
High: 67 °F
Mostly Sunny

Detailed Forecast

Today

Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. High near 68. Southwest wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 54. South southwest wind 7 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

Rain, mainly before 2pm, then showers and possibly a thunderstorm after 2pm. High near 64. South wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Showers and possibly a thunderstorm. Low around 49. South wind 9 to 14 mph, with gusts as high as 25 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 61. Southwest wind around 10 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.

Sunday Night

A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 48. New precipitation amounts of less than a tenth of an inch possible.

Monday

Mostly sunny, with a high near 65.

Monday Night

Mostly clear, with a low around 48.

Tuesday

Mostly sunny, with a high near 67.

Tuesday Night

Mostly clear, with a low around 48.

Wednesday

Mostly sunny, with a high near 70.

Wednesday Night

Partly cloudy, with a low around 51.