Tank Island Weather Forecast
- 78
- 84
Chance Rain Showers
- 79
- 85
Slight Chance Thunderstorms
- 79
- 84
Slight Chance Thunderstorms
- 79
- 85
Slight Chance Thunderstorms
- 78
- 82
Slight Chance Thunderstorms
- 78
- 81
Mostly Sunny
Today 28 Oct Monroe Lower Keys
Partly sunny with a slight chance of Showers. Highs in the lower 80s. Chance of rain 10 percent.
Tonight 28 Oct Monroe Lower Keys
Partly cloudy with a slight chance of Showers. Lows in the upper 70s. Northeast Winds 5 to 10 Mph. Chance of rain 20 percent.
Tank Island Temperature Statistics
October Temperature
Key West International Airport (3.7 miles)
Lowest 22 October, 2026
73.7 °FAverage October
83.1 °FHighest 9 October, 2026
89.7 °F
Climate (2021–2026)
Key West International Airport (3.7 miles)
Average Low 2021–2026
75.7 °FAverage 2021–2026
79.8 °FAverage High 2021–2026
84.2 °F