National Weather Service Forecast for: 5 Miles SW Fallbrook CA
Issued by: National Weather Service San Diego, CA
Updated: 12:56 pm PST Dec 17, 2025
 
Tonight

Tonight: Partly cloudy, with a low around 51. Calm wind becoming northeast around 5 mph after midnight.
Partly Cloudy

Thursday

Thursday: Sunny, with a high near 81. North wind 5 to 10 mph becoming southwest in the afternoon.
Sunny

Thursday
Night
Thursday Night: Mostly clear, with a low around 54. Northeast wind around 5 mph becoming calm.
Mostly Clear

Friday

Friday: Sunny, with a high near 76. Calm wind becoming southwest around 5 mph in the afternoon.
Sunny

Friday
Night
Friday Night: Partly cloudy, with a low around 50. Calm wind.
Partly Cloudy

Saturday

Saturday: Mostly sunny, with a high near 71.
Mostly Sunny

Saturday
Night
Saturday Night: Patchy fog after 10pm.  Otherwise, mostly cloudy, with a low around 52.
Patchy Fog

Sunday

Sunday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 72.
Patchy Fog
then Mostly
Sunny
Sunday
Night
Sunday Night: Patchy fog after 10pm.  Otherwise, partly cloudy, with a low around 50.
Patchy Fog

Lo 51 °F Hi 81 °F Lo 54 °F Hi 76 °F Lo 50 °F Hi 71 °F Lo 52 °F Hi 72 °F Lo 50 °F

 

Tonight
 
Partly cloudy, with a low around 51. Calm wind becoming northeast around 5 mph after midnight.
Thursday
 
Sunny, with a high near 81. North wind 5 to 10 mph becoming southwest in the afternoon.
Thursday Night
 
Mostly clear, with a low around 54. Northeast wind around 5 mph becoming calm.
Friday
 
Sunny, with a high near 76. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
 
Partly cloudy, with a low around 50. Calm wind.
Saturday
 
Mostly sunny, with a high near 71.
Saturday Night
 
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 52.
Sunday
 
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 72.
Sunday Night
 
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 50.
Monday
 
Patchy fog before 10am. Otherwise, partly sunny, with a high near 70.
Monday Night
 
Mostly cloudy, with a low around 50.
Tuesday
 
A slight chance of showers. Partly sunny, with a high near 68.
Tuesday Night
 
A chance of showers. Mostly cloudy, with a low around 52.
Wednesday
 
Showers likely. Mostly cloudy, with a high near 68.

 

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