Currently 68°F in Fallbrook, California, USA
68°F
81°F / 67°F
calm
0.00"
Wednesday, September 16, 2026 9:37 PM PDT

Seven Day Forecast for Fallbrook, California

Posted Friday, September 4, 2026, 1:54 PM
Alert Forecast not current

Patchy marine layer is expected overnight and in the morning, as high level clouds from Tropical Cyclone Marie move over the area this weekend. Periods of light to locally moderate precipitation are possible Saturday and Sunday. There's a slight chance of thunderstorms on Sunday afternoon, mainly over the San Bernardino Mountains and High Desert. Warmer and drier conditions will follow Monday and Tuesday. A slight chance of mountain showers and thunderstorms returns for the middle of the week.

Not Available
Today:
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% chance of precipitation
Predicted Air Quality: good, AQI: 39 (for Escondido courtesy of the SDAPCD).
Pollen level is rated "medium-high".
Wednesday night / Thursday morning:
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% chance of precipitation
Not Available
Thursday:
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% chance of precipitation
Thursday night / Friday morning:
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Not Available
Friday:
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% chance of precipitation
Friday night / Saturday morning:
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% chance of precipitation
Not Available
Saturday:
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% chance of precipitation
Saturday night / Sunday morning:
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% chance of precipitation
Not Available
Sunday:
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% chance of precipitation
Sunday night / Monday morning:
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% chance of precipitation
Not Available
Monday:
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% chance of precipitation
Monday night / Tuesday morning:
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% chance of precipitation
Not Available
Tuesday:
N/A 
% chance of precipitation

The Fallbrook weather pages are a service of WeatherCurrents. Fallbrook, California is located in northern San Diego County, close to I15 and Camp Pendleton, and is home to ranches, avocado and citrus groves, and plant nurseries.
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