National Weather Service Forecast for: 5 Miles SW Fallbrook CA
Issued by: National Weather Service San Diego, CA
Updated: 8:40 pm PST Dec 22, 2025
 
Tonight

Tonight: Patchy fog. Otherwise, cloudy, with a low around 53. Calm wind.
Patchy Fog


 Tuesday

Tuesday: Showers likely, mainly after 4pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 66. Southeast wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Slight Chance
Showers and
Patchy Fog
then Showers
Likely
 Tuesday
Night
Tuesday Night: Showers. Low around 56. Light southeast wind increasing to 10 to 15 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Showers


 Wednesday

Wednesday: Showers, with thunderstorms also possible after 10am. Some of the storms could produce heavy rainfall. High near 65. South wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.
Heavy Rain


 Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 56. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Heavy Rain


 Christmas
Day
Christmas Day: Showers. High near 65. Chance of precipitation is 80%.
Showers


 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: Showers likely, mainly before 10pm. Mostly cloudy, with a low around 46.
Showers
Likely
Lo 53 °F Hi 66 °F Lo 56 °F Hi 65 °F Lo 56 °F Hi 65 °F Lo 52 °F Hi 62 °F Lo 46 °F

Flood Watch
Wind Advisory
 

Tonight
 
 Patchy fog. Otherwise, cloudy, with a low around 53. Calm wind.
Tuesday
 
 Showers likely, mainly after 4pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 66. Southeast wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
 
 Showers. Low around 56. Light southeast wind increasing to 10 to 15 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
 
 Showers, with thunderstorms also possible after 10am. Some of the storms could produce heavy rainfall. High near 65. South wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.
Wednesday Night
 
 Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 56. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Christmas Day
 
 Showers. High near 65. Chance of precipitation is 80%.
Thursday Night
 
 Showers. Low around 52. Chance of precipitation is 80%.
Friday
 
 Showers. Mostly cloudy, with a high near 62.
Friday Night
 
 Showers likely, mainly before 10pm. Mostly cloudy, with a low around 46.
Saturday
 
 A slight chance of showers. Mostly sunny, with a high near 61.
Saturday Night
 
 A slight chance of showers. Partly cloudy, with a low around 44.
Sunday
 
 Sunny, with a high near 64.
Sunday Night
 
 Partly cloudy, with a low around 46.
Monday
 
 A slight chance of showers. Mostly sunny, with a high near 67.

 

Forecast from NOAA-NWS for 5 Miles SW Fallbrook CA.