Hot Temperatures in the Northwest U.S.; Excessive Rainfall Potential in the Southwest U.S.

Hot to extremely hot daytime temperatures remain in place across coastal southern California and the interior Northwest, with the Northwest carrying the potential for record-breaking high temperatures. A combination of monsoonal moisture and tropical moisture ahead of tropical cyclone Lorena will bring a marginal to slight risk of excessive rainfall across the southwest U.S. this week. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

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

Partly Cloudy

61°F

16°C

Humidity	87%
Wind Speed	N 4 MPH
Barometer	29.97 in (1014.9 mb)
Dewpoint	57°F (14°C)
Visibility	10.00 mi
Last update	03 Sep 03:35 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: 79 °F
Becoming
Sunny
Tonight
Low: 58 °F
Slight Chance
Rain
Thursday
High: 75 °F
Slight Chance
Drizzle then
Sunny
Thursday Night
Low: 60 °F
Slight Chance
Drizzle
Friday
High: 71 °F
Mostly Cloudy
Friday Night
Low: 59 °F
Partly Cloudy
Saturday
High: 76 °F
Mostly Sunny
Saturday Night
Low: 60 °F
Partly Cloudy
Sunday
High: 76 °F
Mostly Sunny

Detailed Forecast

Today

Mostly cloudy through mid morning, then gradual clearing, with a high near 79. Light west northwest wind becoming west 5 to 10 mph in the morning.

Tonight

A slight chance of rain between 11pm and midnight, then a slight chance of drizzle after midnight. Increasing clouds, with a low around 58. West wind 5 to 7 mph. Chance of precipitation is 20%.

Thursday

A slight chance of drizzle before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 75. West southwest wind 5 to 10 mph.

Thursday Night

A slight chance of drizzle after 11pm. Increasing clouds, with a low around 60. West southwest wind 7 to 10 mph.

Friday

Mostly cloudy, with a high near 71. West southwest wind 7 to 11 mph.

Friday Night

Partly cloudy, with a low around 59.

Saturday

Mostly sunny, with a high near 76.

Saturday Night

Partly cloudy, with a low around 60.