National Weather Service Forecast for: Rancho San Diego CA
Issued by: National Weather Service San Diego, CA
Updated: 8:40 pm PST Dec 22, 2025
 
Overnight

Overnight: Patchy fog. Otherwise, cloudy, with a low around 50. Calm wind.
Patchy Fog

 Tuesday

Tuesday: A chance of showers after 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 68. South wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers and
Patchy Fog
 Tuesday
Night
Tuesday Night: Showers likely. The rain could be heavy at times. Cloudy, with a low around 54. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Heavy Rain

 Wednesday

Wednesday: Showers likely, then showers and possibly a thunderstorm after 10am. Some of the storms could produce heavy rainfall. High near 69. Breezy, with a south wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Heavy Rain
and Breezy

 Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm. Low around 54. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Showers

 Christmas
Day
Christmas Day: Showers likely, mainly before 10am. Cloudy, with a high near 67. Chance of precipitation is 70%.
Showers
Likely then
Chance
Showers
 Thursday
Night
Thursday Night: Showers, mainly after 10pm. Low around 51. Chance of precipitation is 80%.
Showers

 Friday

Friday: Showers. Mostly cloudy, with a high near 63.
Showers

 Friday
Night
Friday Night: A chance of showers, mainly before 4am. Mostly cloudy, with a low around 45.
Chance
Showers
Lo 50 °F Hi 68 °F Lo 54 °F Hi 69 °F Lo 54 °F Hi 67 °F Lo 51 °F Hi 63 °F Lo 45 °F

Flood Watch
Wind Advisory
 

Overnight
 
 Patchy fog. Otherwise, cloudy, with a low around 50. Calm wind.
Tuesday
 
 A chance of showers after 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 68. South wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
 
 Showers likely. The rain could be heavy at times. Cloudy, with a low around 54. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
 
 Showers likely, then showers and possibly a thunderstorm after 10am. Some of the storms could produce heavy rainfall. High near 69. Breezy, with a south wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Wednesday Night
 
 Showers and possibly a thunderstorm. Low around 54. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Christmas Day
 
 Showers likely, mainly before 10am. Cloudy, with a high near 67. Chance of precipitation is 70%.
Thursday Night
 
 Showers, mainly after 10pm. Low around 51. Chance of precipitation is 80%.
Friday
 
 Showers. Mostly cloudy, with a high near 63.
Friday Night
 
 A chance of showers, mainly before 4am. Mostly cloudy, with a low around 45.
Saturday
 
 A slight chance of showers before 10am. Mostly sunny, with a high near 62.
Saturday Night
 
 Mostly clear, with a low around 42.
Sunday
 
 Sunny, with a high near 65.
Sunday Night
 
 Mostly clear, with a low around 44.
Monday
 
 A slight chance of showers. Mostly sunny, with a high near 68.

 

Forecast from NOAA-NWS for Rancho San Diego CA.