Tomorrow's Weather Forecast - Jacksonville

Tomorrow's weather in Jacksonville. high 31°C (88°F), low 24°C (75°F). Overcast.

Tomorrow’s Outlook

Tomorrow will be 2°C cooler than today. Light rain is possible, though a 26% peak chance means much of the day could stay dry. That risk lines up with humidity averaging 81% through the day the more moisture in the air, the more readily clouds build into showers. Humidity stays high near 81%, so it will feel muggier and stickier than the temperature alone suggests. A light breeze near 16 km/h is expected. Sunrise is at 7:09 AM and sunset at 7:35 PM, for about 12h 26m of daylight.

Tomorrow
31°/ 24°
Today33° / 25°

Tomorrow’s Hourly Weather Outlook

Morning6 AM – Noon26°
Rain probability
6%
Wind speed
11 km/h
AfternoonNoon – 6 PM30°
Rain probability
25%
Wind speed
16 km/h
Evening6 PM – Midn28°
Rain probability
26%
Wind speed
11 km/h
NightMidn – 6 AM25°
Rain probability
8%
Wind speed
10 km/h

24-Hour Rain & Temperature Forecast

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Temperature · peaks at +31°C

Planning Advice for Tomorrow

Clothing
Light layers work well; a jacket for the evening.
Outdoor
Good conditions for outdoor activities.
Travel
Standard travel conditions expected.

Sunrise & Sunset

Sunrise
Dawn 6:39 AM
Total Daylight
Full day forecastSolar noon 1:22 PM
Sunset
Dusk 8:05 PM
vs today-2 min daylight
Sunrise shift1 min later
Sunset shift1 min earlier

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Jacksonville is forecast to reach a high of 31°C tomorrow, with an overnight low around 24°C. Expect a low chance of rain (26% probability) and a gentle breeze averaging 16 km/h. Air quality is currently Moderate (AQI 55), driven mainly by PM2.5 at 9.6 μg/m³.

Today vs Normal

33°C+2° above normal

The long-term average high for today is 31°C.

18 of the last 19 days with published data ran above normal.

It continues that pattern - today's forecast is also running above normal.

2026-08-19: 37°C37°2026-08-20: 35°C35°2026-08-21: 34°C34°2026-08-22: 34°C34°2026-08-23: 35°C35°2026-08-24: 36°C36°2026-08-25: 33°C33°2026-08-26: 33°C33°2026-08-27: 33°C33°2026-08-28: 32°C32°2026-08-29: 32°C32°2026-08-30: 30°C30°

Red = above normal, blue = at or below · last 12 days

Air Quality

Air Quality
Moderate

Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.