Vaca Key - Fat Deer Key Bridge Weather Forecast
- 83
- 90
Chance Thunderstorms
- 83
- 89
Chance Thunderstorms
- 83
- 89
Chance Thunderstorms
- 83
- 89
Chance Thunderstorms
- 84
- 90
Chance Thunderstorms
- 84
- 90
Chance Thunderstorms
- 83
- 89
Chance Thunderstorms
Today 4 Sep Monroe Middle Keys
Partly cloudy with a chance of Showers and Thunderstorms. Highs in the lower 90s. Southeast Winds near 5 Mph, increasing to 5 to 10 Mph. Chance of rain 40 percent.
Tonight 4 Sep Monroe Middle Keys
Partly cloudy with a chance of Showers and Thunderstorms. Lows in the lower 80s. Southeast Winds 5 to 10 Mph. Chance of rain 40 percent.
Vaca Key - Fat Deer Key Bridge Temperature Statistics
September Temperature
The Florida Keys - Marathon International Airport (0.6 miles)
Lowest 1 September, 2026
82.7 °FAverage September
86.6 °FHighest 1 September, 2026
92.6 °F
Climate (2021–2026)
The Florida Keys - Marathon International Airport (0.6 miles)
Average Low 2021–2026
75.5 °FAverage 2021–2026
80.1 °FAverage High 2021–2026
85.1 °F