Fleming Island

Johnson County, Florida, United States

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Current Weather

26°

Clear

Feels Like: 23°

Min: 21°

Max: 30°

The next few hours will be overcast, with today reaching 30°C and dropping to 19°C. The coming days will be clear throughout the day.

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Hourly Forecast

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Today

Daylight Hours

07:16

Sunrise

19:25

Sunset

12 hours 8 minutes of sunlight today

Moon

Waxing Crescent

12:34

Moonrise

22:02

Moonset

Daily Forecast

Today

21°
30°

Thursday

19°
33°

Friday

22°
35°

Saturday

23°
34°

Sunday

21°
34°

Monday

19°
32°

Tuesday

18°
31°

Wednesday

19°
32°

Thursday

23°
29°

Friday

24°
29°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

89% Humid
Low High

Weather in Fleming Island today, September 16, 2026

Conditions in Fleming Island on September 16, 2026 favour clear skies, so the day opens with a fine, sunny outlook. Any interruptions to the blue should be brief rather than lasting. The morning sky stays heavily clouded, with cover near 100% around 04:00. Grey conditions set the early tone before any later change.

Expect highs of 30°C and cooler readings close to 21°C. The air stays humid, with relative humidity between 31% and 91% and the peak around 00:00. A lighter breeze peaks around 22:00 near 9.1 km/h.

Afternoon skies stay clogged, peaking close to 89% near 13:00. The grey theme continues rather than clearing out. Visibility holds near 16.0 km, though it can fall to 15.3 km. Expect sunrise at 07:16, sunset at 19:25, and 12 hours 8 minutes of sunlight today overall.

In short, September 16, 2026 looks like a fine day in Fleming Island for being outside, peaking around 30°C.

Frequently asked questions about weather in Fleming Island

How warm does it get in Fleming Island?

The warmest month in Fleming Island 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 Fleming Island?

The coldest month in Fleming Island is January, with average low temperatures of 8°C. The average temperature during this period is around 13°C.

What is the wettest time of year in Fleming Island?

The wettest month in Fleming Island is August, with an average of 184mm of precipitation.

What is the driest time of year in Fleming Island?

The driest month in Fleming Island is November, with an average of 53mm of precipitation.

View full climate insights for Fleming Island →

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