Key West - South Side Weather Forecast
- 81
- 91
Chance Rain Showers
- 80
- 91
Chance Rain Showers
- 80
- 91
Chance Rain Showers
- 81
- 91
Slight Chance Thunderstorms
- 81
- 91
Slight Chance Rain Showers
- 82
- 92
Partly Sunny
Today 17 May Monroe Lower Keys
Partly sunny with a chance of Showers and a slight chance of Thunderstorms. Highs in the upper 80s to lower 90s. East to southeast Winds 10 to 15 Mph, increasing to near 15 Mph. Chance of rain 40 percent.
Tonight 17 May Monroe Lower Keys
Mostly cloudy with a chance of Showers and a slight chance of Thunderstorms. Breezy. Lows in the lower 80s. East Winds 15 to 20 Mph. Chance of rain 30 percent.
Key West - South Side Temperature Statistics
May Temperature
Key West International Airport (1.9 miles)
Lowest 6 May, 2026
76.6 °FAverage May
84.9 °FHighest 8 May, 2026
92.6 °F
Climate (2021–Present)
Key West International Airport (1.9 miles)
Average Low 2021–2026
75.5 °FAverage 2021–2026
79.6 °FAverage High 2021–2026
83.9 °F