National Weather Service Forecast for: 3 Miles SW Discovery Bay CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 12:48 am PST Dec 23, 2025
 
Overnight

Overnight: A 20 percent chance of rain.  Patchy dense fog.  Otherwise, cloudy, with a low around 53. Calm wind.
Slight Chance
Rain and
Patchy Dense
Fog
Tuesday

Tuesday: A 30 percent chance of rain, mainly after 4pm.  Areas of fog before 10am.  Otherwise, cloudy, with a high near 62. Light southeast wind becoming south southeast 9 to 14 mph in the morning. Winds could gust as high as 28 mph.
Chance Rain
and Areas Fog

Tuesday
Night
Tuesday Night: Rain likely, mainly after 9pm.  Cloudy, with a low around 55. Breezy, with a southeast wind 20 to 25 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 47 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain Likely
and Breezy

Wednesday

Wednesday: Rain, mainly before 1pm, then showers and possibly a thunderstorm after 1pm.  High near 59. Light east southeast wind becoming southeast 5 to 10 mph in the morning. Winds could gust 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.
Showers

Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm before 7pm, then rain after 7pm.  Low around 54. South southeast wind 10 to 17 mph, with gusts as high as 33 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Showers

Christmas
Day
Christmas Day: Rain before 10am, then showers and possibly a thunderstorm between 10am and 1pm, then rain after 1pm.  High near 56. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Showers

Thursday
Night
Thursday Night: Showers and possibly a thunderstorm before 1am, then rain after 1am.  Low around 48. Chance of precipitation is 100%.
Showers

Friday

Friday: Rain.  Patchy fog after 4pm.  Otherwise, cloudy, with a high near 52.
Rain and
Patchy Fog

Friday
Night
Friday Night: Rain likely, mainly before 10pm.  Patchy fog before 7pm, then patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 44.
Rain Likely
and Patchy
Fog
Lo 53 °F Hi 62 °F Lo 55 °F Hi 59 °F Lo 54 °F Hi 56 °F Lo 48 °F Hi 52 °F Lo 44 °F

Flood Watch
Wind Advisory
 

Overnight
 
A 20 percent chance of rain. Patchy dense fog. Otherwise, cloudy, with a low around 53. Calm wind.
Tuesday
 
A 30 percent chance of rain, mainly after 4pm. Areas of fog before 10am. Otherwise, cloudy, with a high near 62. Light southeast wind becoming south southeast 9 to 14 mph in the morning. Winds could gust as high as 28 mph.
Tuesday Night
 
Rain likely, mainly after 9pm. Cloudy, with a low around 55. Breezy, with a southeast wind 20 to 25 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 47 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
 
Rain, mainly before 1pm, then showers and possibly a thunderstorm after 1pm. High near 59. Light east southeast wind becoming southeast 5 to 10 mph in the morning. Winds could gust 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.
Wednesday Night
 
Showers and possibly a thunderstorm before 7pm, then rain after 7pm. Low around 54. South southeast wind 10 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Christmas Day
 
Rain before 10am, then showers and possibly a thunderstorm between 10am and 1pm, then rain after 1pm. High near 56. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
 
Showers and possibly a thunderstorm before 1am, then rain after 1am. Low around 48. Chance of precipitation is 100%.
Friday
 
Rain. Patchy fog after 4pm. Otherwise, cloudy, with a high near 52.
Friday Night
 
Rain likely, mainly before 10pm. Patchy fog before 7pm, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 44.
Saturday
 
Patchy fog before 10am. Otherwise, partly sunny, with a high near 52.
Saturday Night
 
Mostly clear, with a low around 39.
Sunday
 
Sunny, with a high near 49.
Sunday Night
 
Mostly clear, with a low around 39.
Monday
 
Partly sunny, with a high near 50.

 

Forecast from NOAA-NWS for 3 Miles SW Discovery Bay CA.