National Weather Service Forecast for: 5 Miles SW Fallbrook CA
Issued by: National Weather Service San Diego, CA
Updated: 11:27 pm PDT Apr 6, 2026
 
Tonight

Tonight: Patchy fog. Otherwise, mostly cloudy, with a low around 52. Calm wind becoming east around 5 mph.
Patchy Fog

 Tuesday

Tuesday: Patchy fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 74. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Patchy Fog
then Sunny
 Tuesday
Night
Tuesday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 53. Southwest wind around 5 mph becoming calm in the evening.
Patchy Fog

 Wednesday

Wednesday: Patchy fog before 11am. Otherwise, sunny, with a high near 76. East wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Patchy Fog
then Sunny
 Wednesday
Night
Wednesday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 55. Southwest wind around 5 mph becoming calm.
Patchy Fog

 Thursday

Thursday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 77.
Patchy Fog
then Partly
Sunny
 Thursday
Night
Thursday Night: Mostly cloudy, with a low around 54.
Mostly Cloudy

 Friday

Friday: Partly sunny, with a high near 75.
Partly Sunny

 Friday
Night
Friday Night: A slight chance of showers, then a chance of showers and thunderstorms after 11pm. Increasing clouds, with a low around 54.
Chance
Showers
Lo 52 °F Hi 74 °F Lo 53 °F Hi 76 °F Lo 55 °F Hi 77 °F Lo 54 °F Hi 75 °F Lo 54 °F

 

Tonight
 
 Patchy fog. Otherwise, mostly cloudy, with a low around 52. Calm wind becoming east around 5 mph.
Tuesday
 
 Patchy fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 74. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
 
 Patchy fog after 11pm. Otherwise, mostly clear, with a low around 53. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
 
 Patchy fog before 11am. Otherwise, sunny, with a high near 76. East wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
 
 Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 55. Southwest wind around 5 mph becoming calm.
Thursday
 
 Patchy fog before 11am. Otherwise, partly sunny, with a high near 77.
Thursday Night
 
 Mostly cloudy, with a low around 54.
Friday
 
 Partly sunny, with a high near 75.
Friday Night
 
 A slight chance of showers, then a chance of showers and thunderstorms after 11pm. Increasing clouds, with a low around 54.
Saturday
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 68.
Saturday Night
 
 A chance of showers. Mostly cloudy, with a low around 52.
Sunday
 
 A chance of showers. Partly sunny, with a high near 67.
Sunday Night
 
 A slight chance of showers. Partly cloudy, with a low around 50.
Monday
 
 Mostly sunny, with a high near 69.

 

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