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Fallbrook Forecast Summary
Currently in Fallbrook
Temperature, Humidity, Wind & Pressure
Sunrise & Sunset
Extreme Temperatures
Precipitation
Data captured from a Peet Bros. Ultimeter 2100
Local Weather Roundup
Fallbrook:
70°F
68°F
N/A*
* Weather report not
current
Fallbrook Forecast
Sunday, September 20, 2026
 Forecast not current
Temperatures will remain below normal through Wednesday, with a deep marine layer encroaching inland and perhaps morning drizzle early in the week. Warmer weather is expected to return for the end of the week as high pressure builds. Today: Low clouds early, becoming mostly sunny and warm. Afternoon breezes , high near 85°F . Pollen level is rated "medium". Predicted air quality is good, AQI: 44 (for Escondido courtesy of the SDAPCD). Tonight: Increasing clouds. Light breezes, low around 62°F. Monday: Low clouds early, becoming sunny. Light breezes, high of about 77°F. Monday night:Increasing clouds. Light breezes, low near 60°F. Tuesday: Low clouds early, becoming sunny. Afternoon breezes, high around 81°F. Tuesday night: Mostly clear. Light breezes, low of about 61°F. Wednesday: Sunny and warm, high near 88°F. Wednesday night: Clear, low around 64°F. Thursday: Sunny and very warm, high of about 90°F. Thursday night: Mostly clear, low near 66°F. Friday: Sunny and very warm, high around 90°F. Friday night: Mostly clear, low of about 65°F. Saturday: Mostly sunny and very warm, high near 90°F. Fallbrook forecast updated daily. Based on data from the National Weather Service, San Diego office and from WeatherCurrents.Recently in
Fallbrook
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Fallbrook
Featured Photos
Funnel Cloud: This funnel cloud stabs ominously from the sky in South Fallbrook. Photo courtesy of Tom Chester.
Fallbrook
Weather News
Extreme heat returns to SoCal; Thunderstorms hit Temecula
Triple-digit heat has returned to the region Tuesday, prompting the Nationa ... Posted September 8, 2026, 9:26 PMOther Weather Information
National Weather Service
Other Fallbrook Weather Forecasts
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