Key West Weather Forecast
- 82
- 88
Slight Chance Thunderstorms
- 82
- 88
Chance Thunderstorms
- 82
- 88
Mostly Sunny
- 82
- 89
Mostly Sunny
- 82
- 89
Mostly Sunny
- 82
- 90
Slight Chance Thunderstorms
- 83
- 90
Mostly Sunny
Today 9 Aug Escambia Coastal
Partly sunny with a chance of Showers and Thunderstorms. Near steady temperature in the upper 80s. South Winds 5 to 10 Mph. Chance of rain 40 percent.
Tonight 9 Aug Escambia Coastal
Partly cloudy with a slight chance of Showers and Thunderstorms. Lows in the upper 70s. South Winds 5 to 10 Mph. Chance of rain 20 percent.
Key West Temperature Statistics
August Temperature
Jack Edwards Airport (9.3 miles)
Lowest 3 August, 2026
71.6 °FAverage August
80.9 °FHighest 1 August, 2026
91.4 °F
Climate (2021–2026)
Jack Edwards Airport (9.3 miles)
Average Low 2021–2026
60.9 °FAverage 2021–2026
67.7 °FAverage High 2021–2026
77.9 °F