National Weather Service Forecast for: Fallbrook CA
Issued by: National Weather Service San Diego, CA
Updated: 12:37 am PDT May 4, 2026
 
Today

Today: Partly sunny, with a high near 67. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Partly Sunny

Tonight

Tonight: A chance of showers after 11pm.  Mostly cloudy, with a low around 51. West wind 5 to 10 mph becoming light and variable  after midnight.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers
Tuesday

Tuesday: A chance of showers before 11am.  Mostly sunny, with a high near 65. Light and variable wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 25 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers then
Mostly Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 49. West wind 10 to 15 mph becoming light and variable. Winds could gust as high as 20 mph.
Mostly Clear

Wednesday

Wednesday: Sunny, with a high near 72. Northeast wind 5 to 10 mph becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Sunny

Wednesday
Night
Wednesday Night: Mostly clear, with a low around 52.
Mostly Clear

Thursday

Thursday: Sunny, with a high near 79.
Sunny

Thursday
Night
Thursday Night: Mostly clear, with a low around 56.
Mostly Clear

Friday

Friday: Sunny, with a high near 82.
Sunny

Hi 67 °F Lo 51 °F Hi 65 °F Lo 49 °F Hi 72 °F Lo 52 °F Hi 79 °F Lo 56 °F Hi 82 °F

 

Today
 
Partly sunny, with a high near 67. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
 
A chance of showers after 11pm. Mostly cloudy, with a low around 51. West wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
 
A chance of showers before 11am. Mostly sunny, with a high near 65. Light and variable wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
 
Mostly clear, with a low around 49. West wind 10 to 15 mph becoming light and variable. Winds could gust as high as 20 mph.
Wednesday
 
Sunny, with a high near 72. Northeast wind 5 to 10 mph becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
 
Mostly clear, with a low around 52.
Thursday
 
Sunny, with a high near 79.
Thursday Night
 
Mostly clear, with a low around 56.
Friday
 
Sunny, with a high near 82.
Friday Night
 
Mostly clear, with a low around 57.
Saturday
 
Sunny, with a high near 84.
Saturday Night
 
Mostly clear, with a low around 58.
Sunday
 
Sunny, with a high near 86.

 

Forecast from NOAA-NWS for Fallbrook CA.