Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

Lat: 37.66083° N Lon: 122.11833° W Elev: 46.0 ft.

Overcast

59°F

15°C

Humidity 87%
Wind Speed WNW 5 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 19 Sep 04:35 AM PDT
Detailed forecast for

San Francisco Bay Shoreline

Rest Of Tonight
Mostly cloudy. Lows in the upper 50s. Southwest winds 5 to 10 mph.
Saturday
Partly cloudy in the morning then becoming sunny. Highs in the 70s to lower 80s. Southwest winds up to 5 mph increasing to west 10 to 20 mph in the afternoon.
Saturday Night
Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 50s. West winds 10 to 20 mph.
Sunday
Cloudy. Highs in the upper 60s to mid 70s. West winds 5 to 15 mph.
Sunday Night
Mostly cloudy. Lows in the upper 50s. West winds 10 to 20 mph...becoming southwest 5 to 10 mph after midnight.
Monday
Mostly cloudy in the morning then becoming sunny. Highs in the 70s.
Monday Night And Tuesday
Partly cloudy. Lows in the upper 50s. Highs in the 70s to lower 80s.
Tuesday Night Through Thursday Night
Mostly clear. Lows around 60. Highs in the mid 70s to upper 80s.
Friday
Partly cloudy. Highs in the 70s to lower 80s.



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302 AM PDT Sat Sep 19 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database