National Weather Service Forecast for: 5 Miles SW Fallbrook CA
Issued by: National Weather Service San Diego, CA
Updated: 12:04 pm PST Feb 1, 2026
 
Overnight

Overnight: Mostly clear, with a low around 51. Calm wind becoming northeast around 5 mph.
Mostly Clear
Monday

Monday: Mostly sunny, with a high near 74. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Mostly Sunny
Monday
Night
Monday Night: Patchy fog after 10pm.  Otherwise, partly cloudy, with a low around 50. Calm wind.
Patchy Fog
Tuesday

Tuesday: Sunny, with a high near 80. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 54. Calm wind becoming east around 5 mph after midnight.
Mostly Clear
Wednesday

Wednesday: Sunny, with a high near 84.
Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 58.
Mostly Clear
Thursday

Thursday: Mostly sunny, with a high near 80.
Mostly Sunny
Thursday
Night
Thursday Night: Mostly cloudy, with a low around 54.
Mostly Cloudy
Lo 51 °F Hi 74 °F Lo 50 °F Hi 80 °F Lo 54 °F Hi 84 °F Lo 58 °F Hi 80 °F Lo 54 °F

 

Overnight
 
Mostly clear, with a low around 51. Calm wind becoming northeast around 5 mph.
Monday
 
Mostly sunny, with a high near 74. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Monday Night
 
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 50. Calm wind.
Tuesday
 
Sunny, with a high near 80. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Tuesday Night
 
Mostly clear, with a low around 54. Calm wind becoming east around 5 mph after midnight.
Wednesday
 
Sunny, with a high near 84.
Wednesday Night
 
Mostly clear, with a low around 58.
Thursday
 
Mostly sunny, with a high near 80.
Thursday Night
 
Mostly cloudy, with a low around 54.
Friday
 
Mostly sunny, with a high near 74.
Friday Night
 
Patchy fog. Otherwise, partly cloudy, with a low around 51.
Saturday
 
Patchy fog. Otherwise, mostly sunny, with a high near 73.
Saturday Night
 
Partly cloudy, with a low around 52.
Sunday
 
Sunny, with a high near 77.

 

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