Long Key Bight Weather Forecast
- 83
- 88
Chance Thunderstorms
- 83
- 88
Chance Thunderstorms
- 83
- 88
Chance Thunderstorms
- 84
- 89
Chance Thunderstorms
- 84
- 89
Chance Thunderstorms
- 84
- 88
Chance Thunderstorms
- 83
- 88
Chance Thunderstorms
Today 5 Sep Monroe Middle Keys
Partly cloudy with a chance of Showers and Thunderstorms. Highs near 90. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.
Tonight 5 Sep Monroe Middle Keys
Partly cloudy with a chance of Showers and Thunderstorms. Lows in the lower 80s. Variable Winds near 5 Mph, becoming southeast at 5 to 10 Mph. Chance of rain 30 percent.
Long Key Bight Temperature Statistics
September Temperature
The Florida Keys - Marathon International Airport (16.2 miles)
Lowest 1 September, 2026
82.7 °FAverage September
87.1 °FHighest 1 September, 2026
92.6 °F
Climate (2021–2026)
The Florida Keys - Marathon International Airport (16.2 miles)
Average Low 2021–2026
75.5 °FAverage 2021–2026
80.1 °FAverage High 2021–2026
85.1 °F