National Weather Service Forecast for: 5 Miles SW Fallbrook CA
Issued by: National Weather Service San Diego, CA
Updated: 12:05 pm PDT Jul 12, 2026
 
Tonight

Tonight: Increasing clouds, with a low around 66. Southwest wind 5 to 10 mph becoming light south  in the evening.
Increasing
Clouds
Monday

Monday: Partly sunny, with a high near 82. Light southwest wind increasing to 5 to 10 mph in the morning.
Partly Sunny

Monday
Night
Monday Night: Mostly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm  in the evening.
Mostly Cloudy

Tuesday

Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 86. Light and variable wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Decreasing
Clouds
Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 70. Southwest wind 5 to 10 mph becoming light  in the evening. Winds could gust as high as 20 mph.
Partly Cloudy

Wednesday

Wednesday: Mostly sunny, with a high near 92.
Mostly Sunny

Wednesday
Night
Wednesday Night: Mostly clear, with a low around 73.
Mostly Clear

Thursday

Thursday: A slight chance of showers after 11am.  Mostly sunny, with a high near 87.
Slight Chance
Showers
Thursday
Night
Thursday Night: A slight chance of showers before 11pm.  Partly cloudy, with a low around 69.
Slight Chance
Showers then
Mostly Cloudy
Lo 66 °F Hi 82 °F Lo 68 °F Hi 86 °F Lo 70 °F Hi 92 °F Lo 73 °F Hi 87 °F Lo 69 °F

Extreme Heat Watch
 

Tonight
 
Increasing clouds, with a low around 66. Southwest wind 5 to 10 mph becoming light south in the evening.
Monday
 
Partly sunny, with a high near 82. Light southwest wind increasing to 5 to 10 mph in the morning.
Monday Night
 
Mostly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
 
Mostly cloudy, then gradually becoming sunny, with a high near 86. Light and variable wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Tuesday Night
 
Partly cloudy, with a low around 70. Southwest wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph.
Wednesday
 
Mostly sunny, with a high near 92.
Wednesday Night
 
Mostly clear, with a low around 73.
Thursday
 
A slight chance of showers after 11am. Mostly sunny, with a high near 87.
Thursday Night
 
A slight chance of showers before 11pm. Partly cloudy, with a low around 69.
Friday
 
A slight chance of showers after 11am. Partly sunny, with a high near 83.
Friday Night
 
A slight chance of showers. Mostly cloudy, with a low around 69.
Saturday
 
A slight chance of showers. Mostly cloudy, then gradually becoming sunny, with a high near 84.
Saturday Night
 
Increasing clouds, with a low around 68.
Sunday
 
Mostly cloudy, then gradually becoming sunny, with a high near 83.

 

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