National Weather Service Forecast for: San Diego-Rancho Bernardo CA
Issued by: National Weather Service San Diego, CA
Updated: 12:35 pm PST Dec 22, 2025
 
Tonight

Tonight: Patchy fog after 10pm. Otherwise, cloudy, with a low around 52. Calm wind.
Patchy Fog

 Tuesday

Tuesday: A chance of showers, mainly after 4pm. Patchy fog before 10am. Otherwise, cloudy, with a high near 66. South wind 5 to 10 mph becoming light and variable in the afternoon. Chance of precipitation is 30%.
Chance
Showers and
Patchy Fog
 Tuesday
Night
Tuesday Night: Showers likely, mainly after 10pm. Cloudy, with a low around 55. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Showers
Likely
 Wednesday

Wednesday: Showers, with thunderstorms also possible after 10am. Some of the storms could produce heavy rainfall. High near 66. Southeast wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Heavy Rain

 Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 56. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Heavy Rain

 Christmas
Day
Christmas Day: Showers likely, mainly after 4pm. Cloudy, with a high near 65. Chance of precipitation is 70%.
Showers
Likely
 Thursday
Night
Thursday Night: Showers. Low around 52. Chance of precipitation is 80%.
Showers

 Friday

Friday: Showers. Mostly cloudy, with a high near 62.
Showers

 Friday
Night
Friday Night: A chance of showers. Mostly cloudy, with a low around 46.
Chance
Showers
Lo 52 °F Hi 66 °F Lo 55 °F Hi 66 °F Lo 56 °F Hi 65 °F Lo 52 °F Hi 62 °F Lo 46 °F

Flood Watch
Wind Advisory
 

Tonight
 
 Patchy fog after 10pm. Otherwise, cloudy, with a low around 52. Calm wind.
Tuesday
 
 A chance of showers, mainly after 4pm. Patchy fog before 10am. Otherwise, cloudy, with a high near 66. South wind 5 to 10 mph becoming light and variable in the afternoon. Chance of precipitation is 30%.
Tuesday Night
 
 Showers likely, mainly after 10pm. Cloudy, with a low around 55. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
 
 Showers, with thunderstorms also possible after 10am. Some of the storms could produce heavy rainfall. High near 66. Southeast wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Wednesday Night
 
 Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 56. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Christmas Day
 
 Showers likely, mainly after 4pm. Cloudy, with a high near 65. Chance of precipitation is 70%.
Thursday Night
 
 Showers. Low around 52. Chance of precipitation is 80%.
Friday
 
 Showers. Mostly cloudy, with a high near 62.
Friday Night
 
 A chance of showers. Mostly cloudy, with a low around 46.
Saturday
 
 A slight chance of showers. Mostly sunny, with a high near 60.
Saturday Night
 
 Partly cloudy, with a low around 42.
Sunday
 
 Sunny, with a high near 65.
Sunday Night
 
 Partly cloudy, with a low around 44.
Monday
 
 A slight chance of showers. Mostly sunny, with a high near 68.

 

Forecast from NOAA-NWS for San Diego-Rancho Bernardo CA.