See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
26°
Mostly Clear
Feels Like: 22°
Min: 25°
Max: 30°
The next few hours will be mostly clear, with today reaching 30°C and dropping to 22°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:14
Sunrise
19:24
Sunset
Moon
Waxing Crescent
11:30
Moonrise
21:27
Moonset
Daily Forecast
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Wednesday
Thursday
Friday
Saturday
Sunday
Monday
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Thursday
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Weather in Casselberry today, September 15, 2026
Expect a muted, overcast feel in Casselberry on September 15, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief. Cloud leads the morning, peaking close to 81% near 11:00. Sunshine has little room until later in the day.
Temperatures climb from an overnight low near 25°C toward a daytime high of about 30°C. Moisture in the air spans 70%-95%, with the highest values around 08:00. Expect gentle winds, highest near 13:00 at 6.6 km/h.
Expect persistent cloud later on, with amounts around 100% by 14:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 13.4 km on average, though it can drop toward 3.4 km in thicker cloud or showers. Sunrise is at 07:14 and sunset at 19:24, giving 12 hours 9 minutes of sunlight today.
Overall, Casselberry on September 15, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 30°C.
Frequently asked questions about weather in Casselberry
How warm does it get in Casselberry?
The warmest month in Casselberry is July, with average high temperatures of 32°C. The average temperature during this period is around 28°C.
How cold does it get in Casselberry?
The coldest month in Casselberry is January, with average low temperatures of 11°C. The average temperature during this period is around 15°C.
What is the wettest time of year in Casselberry?
The wettest month in Casselberry is August, with an average of 206mm of precipitation.
What is the driest time of year in Casselberry?
The driest month in Casselberry is November, with an average of 36mm of precipitation.
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