See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
20°
Overcast
Feels Like: 17°
Min: 17°
Max: 25°
The next few hours will be overcast, with today reaching 25°C and dropping to 16°C. The coming days will be clear from afternoon until night.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:38
Sunrise
18:47
Sunset
Moon
Waxing Crescent
12:11
Moonrise
21:20
Moonset
Daily Forecast
Today
Thursday
Friday
Saturday
Sunday
Monday
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Friday
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UV Index
Humidity
Weather in Fallbrook today, September 16, 2026
Cloud cover dominates in Fallbrook on September 16, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells. The first half of the day looks overcast, as cloud amounts reach about 100% around 04:00. Brighter weather, if it comes, waits until later.
The temperature range runs from about 17°C up to 25°C. The air stays humid, with relative humidity between 57% and 98% and the peak around 22:00. A lighter breeze peaks around 14:00 near 6.0 km/h.
The afternoon keeps an overcast feel, as cloud reaches about 100% around 19:00. Outdoor plans may still want a flexible backup. Views remain open at about 16.1 km. The sun rises at 06:38 and sets at 18:47, for a total of 12 hours 9 minutes of sunlight today.
Overall, Fallbrook on September 16, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 25°C.
Frequently asked questions about weather in Fallbrook
How warm does it get in Fallbrook?
The warmest month in Fallbrook is August, with average high temperatures of 31°C. The average temperature during this period is around 25°C.
How cold does it get in Fallbrook?
The coldest month in Fallbrook is January, with average low temperatures of 8°C. The average temperature during this period is around 12°C.
What is the wettest time of year in Fallbrook?
The wettest month in Fallbrook is January, with an average of 78mm of precipitation.
What is the driest time of year in Fallbrook?
The driest month in Fallbrook is July, with an average of 2mm of precipitation.
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