Coastal Storm Along the East Coast; Pacific Storm System in the West on Friday

A strengthening coastal storm will bring soaking rains to portions of the Mid-Atlantic and Northeast, with accumulating snow likely across the higher elevations of northern New England through Friday. A Pacific storm system will bring heavy low elevation rain, and gusty winds to northern California and the Pacific Northwest, as well as possible blizzard conditions to the Sierra Nevada on Friday. Read More >

Current conditions at

Port Chicago (PCOC1)

Lat: 38.056°NLon: 122.0395°WElev: 0.0ft.

67°F

19°C

Humidity	NA
Wind Speed	WNW 15 MPH
Barometer	29.75 in (1007.45 mb)
Dewpoint	N/A
Visibility	NA
Last update	NA

More Information:

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

Extended Forecast for

4 Miles NNE Hercules CA

Tonight
Low: 54 °F
Partly Cloudy
then Slight
Chance Rain
Friday
High: 61 °F
Rain and
Breezy
Friday Night
Low: 49 °F
Chance Rain
Saturday
High: 64 °F
Slight Chance
Rain then
Mostly Sunny
Saturday Night
Low: 50 °F
Mostly Cloudy
Sunday
High: 62 °F
Rain
Sunday Night
Low: 48 °F
Rain then
Chance Rain
Monday
High: 58 °F
Slight Chance
Rain then
Mostly Sunny
Monday Night
Low: 44 °F
Partly Cloudy

Detailed Forecast

Tonight

A slight chance of rain before 2am, then a slight chance of rain after 4am. Partly cloudy, with a low around 54. South southeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. New precipitation amounts of less than a tenth of an inch possible.

Friday

Rain, mainly before 2pm. High near 61. Breezy, with a south southeast wind 13 to 22 mph becoming west southwest in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Friday Night

A chance of rain before 1am, then a slight chance of rain after 4am. Mostly cloudy, with a low around 49. South wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Saturday

A 20 percent chance of rain before 10am. Partly sunny, with a high near 64. Light and variable wind becoming southwest around 5 mph in the afternoon.

Saturday Night

Mostly cloudy, with a low around 50. Light and variable wind.

Sunday

Rain, mainly after 10am. High near 62. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Sunday Night

Rain, mainly before 10pm. Low around 48. Chance of precipitation is 90%.

Monday

A slight chance of rain before 10am. Partly sunny, with a high near 58.

Monday Night

Partly cloudy, with a low around 44.