Fleming Island Weather Forecast
- 67
- 85
Mostly Sunny
- 66
- 87
Mostly Sunny
- 69
- 89
Partly Sunny
- 70
- 88
Partly Sunny
- 71
- 88
Slight Chance Thunderstorms
- 72
- 87
Chance Rain Showers
Today 15 Sep Eastern Clay
Sunny. Highs in the mid 80s. Northeast Winds around 10 Mph with Gusts up to 20 Mph.
Tonight 15 Sep Eastern Clay
Mostly clear. Lows in the upper 60s. Northeast Winds 5 to 10 Mph.
Fleming Island Temperature Statistics
September Temperature
Jacksonville Naval Air Station (9.9 miles)
Lowest 11 September, 2025
71.1 °FAverage September
78.5 °FHighest 5 September, 2025
90 °F
Climate (2020–Present)
Jacksonville Naval Air Station (9.9 miles)
Average Low 2020–2025
65.1 °FAverage 2020–2025
72.6 °FAverage High 2020–2025
81 °F