Weekend Weather Forecast - Jacksonville

Weekend weather in Jacksonville. Saturday high 31°C (88°F). Sunday high 38°C (100°F).

Weekend Hourly Forecast

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Temperature · peaks at +33°C

48-Hour Weekend Forecast Chart

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Fri11 Sep
Sat12 Sep
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Temperature · peaks at +31°C

Weekend Activity Outlook

Travel / Drive
Rating
Fair
Reason
Best window: Morning — allow extra time
Outdoor Sports
Rating
Fair
Reason
Playable but conditions are tricky
Home / Laundry
Rating
Fair
Reason
Partial drying — use indoor racks too
Outdoor Events
Rating
Fair
Reason
Carry contingency plans

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Jacksonville is forecast to reach a high of 31°C this weekend, 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.