See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
24°
Clear
Feels Like: 24°
Min: 23°
Max: 36°
The next few hours will be clear, with today reaching 36°C and dropping to 24°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
06:56
Sunrise
19:09
Sunset
Moon
Waxing Crescent
11:30
Moonrise
20:58
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
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Thursday
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UV Index
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Weather in Jacksonville today, September 15, 2026
Jacksonville sees a largely clear day on September 15, 2026, interrupted by cloudier skies around 13:00. Plan for bright conditions either side of that cloudier interval. Morning skies stay relatively clear, holding cloud close to 2% near 08:00. The early part of the day favours being outside.
The day peaks near 36°C and cools toward 23°C. The air stays humid, with relative humidity between 41% and 92% and the peak around 07:00. A lighter breeze peaks around 19:00 near 2.8 km/h.
Afternoon conditions open up, holding cloud close to 19% near 13:00. The day finishes on a milder, brighter note. Visibility holds near 15.9 km, though it can fall to 14.1 km. Daylight runs from 06:56 to 19:09, lasting 12 hours 12 minutes of sunlight today.
Overall, Jacksonville on September 15, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 36°C.
Frequently asked questions about weather in Jacksonville
How warm does it get in Jacksonville?
The warmest month in Jacksonville is July, with average high temperatures of 33°C. The average temperature during this period is around 28°C.
How cold does it get in Jacksonville?
The coldest month in Jacksonville is January, with average low temperatures of 2°C. The average temperature during this period is around 6°C.
What is the wettest time of year in Jacksonville?
The wettest month in Jacksonville is April, with an average of 176mm of precipitation.
What is the driest time of year in Jacksonville?
The driest month in Jacksonville is September, with an average of 64mm of precipitation.
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