National Weather Service Forecast for: 15 Miles W Chester CA
Issued by: National Weather Service Sacramento, CA
Updated: 1:21 am PST Dec 17, 2025
 
Overnight

Overnight: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Areas of fog. Low around 36. Southwest wind around 8 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Heavy Rain
and Areas Fog

 Wednesday

Wednesday: Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers after 5pm. Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 48. West wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Showers
Likely and
Patchy Fog
then Chance
Showers
 Wednesday
Night
Wednesday Night: Showers likely, mainly after midnight. Patchy fog between 4am and 5am. Otherwise, mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Showers
Likely and
Patchy Fog

 Thursday

Thursday: Showers likely, mainly after 10am. Mostly cloudy, with a high near 50. Light south southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Showers
Likely

 Thursday
Night
Thursday Night: Showers likely. Mostly cloudy, with a low around 36. South southwest wind 6 to 8 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Showers
Likely

 Friday

Friday: Showers. High near 45. Chance of precipitation is 100%.
Showers


 Friday
Night
Friday Night: Showers before 10pm, then showers and possibly a thunderstorm between 10pm and 1am, then showers after 1am. Low around 36. Chance of precipitation is 100%.
Showers


 Saturday

Saturday: Showers. Cloudy, with a high near 46.
Showers


 Saturday
Night
Saturday Night: Showers. Cloudy, with a low around 35.
Showers
Lo 36 °F Hi 48 °F Lo 33 °F Hi 50 °F Lo 36 °F Hi 45 °F Lo 36 °F Hi 46 °F Lo 35 °F

 

Overnight
 
 Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Areas of fog. Low around 36. Southwest wind around 8 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
 
 Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers after 5pm. Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 48. West wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
 
 Showers likely, mainly after midnight. Patchy fog between 4am and 5am. Otherwise, mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
 
 Showers likely, mainly after 10am. Mostly cloudy, with a high near 50. Light south southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
 
 Showers likely. Mostly cloudy, with a low around 36. South southwest wind 6 to 8 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Friday
 
 Showers. High near 45. Chance of precipitation is 100%.
Friday Night
 
 Showers before 10pm, then showers and possibly a thunderstorm between 10pm and 1am, then showers after 1am. Low around 36. Chance of precipitation is 100%.
Saturday
 
 Showers. Cloudy, with a high near 46.
Saturday Night
 
 Showers. Cloudy, with a low around 35.
Sunday
 
 Showers and possibly a thunderstorm. Cloudy, with a high near 48.
Sunday Night
 
 Showers. Cloudy, with a low around 36.
Monday
 
 Showers. Mostly cloudy, with a high near 45.
Monday Night
 
 Rain and snow showers. Mostly cloudy, with a low around 33.
Tuesday
 
 Rain and snow showers likely. Mostly cloudy, with a high near 45.

 

Forecast from NOAA-NWS for 15 Miles W Chester CA.