See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:09
Sunrise
19:22
Sunset
Moon
Waxing Crescent
10:35
Moonrise
20:45
Moonset
Daily Forecast
Monday
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Air Quality Data Available
Upgrade to access real-time air quality data for Jacksonville.
Resources
UV Index
Humidity
Weather in Jacksonville tomorrow, September 15, 2026
Expect a mostly clear day in Jacksonville on September 15, 2026, with sunshine dominating from morning through evening. Cloud should stay limited, so the overall feel remains bright and settled. Morning skies stay relatively clear, holding cloud close to 54% near 04:00. The early part of the day favours being outside.
Expect highs of 36°C and cooler readings close to 25°C. Moisture in the air spans 30%-96%, with the highest values around 06:00. A lighter breeze peaks around 13:00 near 6.0 km/h.
Expect a more open afternoon, with limited cloud around 16% by 12:00. Residual damp risk should be lower than earlier. Expect visibility near 15.5 km, with poorer spells close to 12.6 km. The sun rises at 07:10 and sets at 19:21, for a total of 12 hours 11 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 August, with average high temperatures of 35°C. The average temperature during this period is around 29°C.
How cold does it get in Jacksonville?
The coldest month in Jacksonville is January, with average low temperatures of 5°C. The average temperature during this period is around 9°C.
What is the wettest time of year in Jacksonville?
The wettest month in Jacksonville is April, with an average of 158mm of precipitation.
What is the driest time of year in Jacksonville?
The driest month in Jacksonville is September, with an average of 61mm of precipitation.