Widespread Precipitation and Gusty Winds in the West; Snow from the Great Lakes to the Northeast

A Pacific storm system is expected to bring strong winds and more precipitation to the western U.S., along with the likelihood of snowfall into the Sierra Nevada. Accumulating snow will develop downwind from the Great Lakes into parts of the Northeast through Saturday. Polar air will surge into the eastern half of the country this weekend. Read More >

Current conditions at

Port Chicago (PCOC1)

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

59°F

15°C

Humidity	NA
Wind Speed	E 7 MPH
Barometer	29.69 in (1005.42 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 W Pittsburg CA

Overnight
Low: 54 °F
Slight Chance
Rain
Friday
High: 61 °F
Rain and
Breezy
Friday Night
Low: 49 °F
Chance Rain
then Partly
Cloudy
Saturday
High: 64 °F
Chance Rain
then Partly
Sunny
Saturday Night
Low: 50 °F
Mostly Cloudy
Sunday
High: 63 °F
Rain
Sunday Night
Low: 49 °F
Rain then
Chance Rain
Monday
High: 59 °F
Slight Chance
Rain then
Mostly Sunny
Monday Night
Low: 44 °F
Partly Cloudy

Detailed Forecast

Overnight

A slight chance of rain between 4am and 5am. Partly cloudy, with a low around 54. Southeast wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 10%.

Friday

Rain and possibly a thunderstorm before 4pm, then a chance of rain. High near 61. Breezy, with a south southeast wind 14 to 23 mph becoming southwest in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Friday Night

A 30 percent chance of rain, mainly between 9pm and 11pm. Partly cloudy, with a low around 49. South wind around 8 mph. New precipitation amounts of less than a tenth of an inch possible.

Saturday

A 30 percent chance of rain, mainly before 8am. Partly sunny, with a high near 64. Light and variable wind.

Saturday Night

Mostly cloudy, with a low around 50. Calm wind becoming south southeast around 5 mph after midnight.

Sunday

Rain, mainly after 10am. High near 63. 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 49. Chance of precipitation is 90%.

Monday

A slight chance of rain before 10am. Mostly sunny, with a high near 59.

Monday Night

Partly cloudy, with a low around 44.