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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:
77°F
73°F
N/A*
* Weather report not
current
Fallbrook Forecast
Friday, September 4, 2026
 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. Today: Sunny. Afternoon breezes , high near 84°F . Pollen level is rated "medium-high". Predicted air quality is good, AQI: 39 (for Escondido courtesy of the SDAPCD). Tonight: Partly cloudy, then patchy fog developing. Light breezes, low around 61°F. Saturday: Mostly sunny and warm. Afternoon breezes, high of about 89°F. Saturday night:Mostly cloudy. Light breezes. 30 percent chance of showers, mainly after midnight, low near 58°F. Sunday: Mostly cloudy and warm. Light breezes. 50 percent chance of showers, high around 87°F. Sunday night: Mostly cloudy, low of about 68°F. Monday: Partly sunny and very warm, high near 91°F. Monday night: Partly cloudy, low around 67°F. Tuesday: Mostly sunny and very warm. Slight chance of showers, high of about 93°F. Tuesday night: Partly cloudy, low near 68°F. Wednesday: Mostly sunny and very warm, high around 93°F. Wednesday night: Partly cloudy, low of about 67°F. Thursday: 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
Tropical moisture associated with Hurricane Marie could bring showers this weekend
A broad upper level trough positioned over the West Coast is bringing not o ... Posted September 3, 2026, 10:30 PM
Late August heat wave made worse by high dew points
The recent stretch of exceptionally hot days across Southern California, ha ... Posted August 31, 2026, 11:57 PMOther Weather Information
National Weather Service
Other Fallbrook Weather Forecasts
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falling