Tank Island Weather Forecast
- 85
- 89
Chance Thunderstorms
- 86
- 90
Chance Thunderstorms
- 86
- 90
Chance Thunderstorms
- 85
- 90
Slight Chance Thunderstorms
- 84
- 90
Partly Sunny
- 84
- 90
Partly Sunny
- 84
- 90
Mostly Sunny
Today 7 Aug Monroe Lower Keys
Mostly sunny with a chance of Showers and Thunderstorms. Highs near 90. Northeast to east Winds 10 to 15 Mph, becoming east 5 to 10 Mph. Chance of rain 50 percent.
Tonight 7 Aug Monroe Lower Keys
Partly cloudy with a chance of Showers and Thunderstorms. Lows in the mid 80s. Southeast Winds 10 to 15 Mph. Chance of rain 50 percent.
Tank Island Temperature Statistics
August Temperature
Key West International Airport (3.7 miles)
Lowest 3 August, 2026
76.6 °FAverage August
86.3 °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