Fleming Key Weather Forecast
- 83
- 90
Rain Showers Likely
- 82
- 90
Rain Showers Likely
- 82
- 89
Rain Showers
- 82
- 89
Chance Thunderstorms
- 82
- 89
Rain Showers Likely
- 82
- 89
Rain Showers Likely
- 83
- 89
Rain Showers Likely
Today 15 Sep Monroe Lower Keys
Partly cloudy with a chance of Showers and Thunderstorms. Highs near 90. East to southeast Winds 5 to 10 Mph, becoming northeast to east near 10 Mph. Chance of rain 30 percent.
Tonight 15 Sep Monroe Lower Keys
Partly cloudy with a chance of Showers and Thunderstorms. Lows in the lower 80s. East to southeast Winds 5 to 10 Mph, becoming northeast to east and increasing to 10 to 15 Mph. Chance of rain 50 percent.
Fleming Key Temperature Statistics
September Temperature
Key West International Airport (3.1 miles)
Lowest 5 September, 2026
78.7 °FAverage September
86.3 °FHighest 12 September, 2026
94.6 °F
Climate (2021–2026)
Key West International Airport (3.1 miles)
Average Low 2021–2026
75.7 °FAverage 2021–2026
79.8 °FAverage High 2021–2026
84.1 °F