Tank Island Weather Forecast
- 84
- 90
Slight Chance Thunderstorms
- 84
- 90
Mostly Sunny
- 84
- 90
Slight Chance Thunderstorms
- 84
- 90
Chance Thunderstorms
- 84
- 90
Chance Thunderstorms
- 84
- 90
Slight Chance Thunderstorms
Today 22 Aug Monroe Lower Keys
Mostly sunny with a slight chance of Showers and Thunderstorms. Highs in the lower 90s. Southeast Winds near 5 Mph. Chance of rain 20 percent.
Tonight 22 Aug Monroe Lower Keys
Partly cloudy with a slight chance of Showers and Thunderstorms. Lows in the lower 80s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent.
Tank Island Temperature Statistics
August Temperature
Key West International Airport (3.7 miles)
Lowest 6 August, 2026
74.6 °FAverage August
86.5 °FHighest 1 August, 2026
93.7 °F
Climate (2021–2026)
Key West International Airport (3.7 miles)
Average Low 2021–2026
75.7 °FAverage 2021–2026
79.7 °FAverage High 2021–2026
84.1 °F