Cape Sable Weather Forecast
- 69
- 80
Breezy
- 70
- 78
Partly Sunny
- 71
- 78
Chance Rain Showers
- 71
- 79
Chance Rain Showers
- 73
- 80
Mostly Sunny
- 73
- 82
Mostly Sunny
Today 21 Apr Mainland Monroe
Sunny. Highs in the lower 80s. Northeast Winds 15 to 20 Mph with Gusts up to 35 Mph.
Tonight 21 Apr Mainland Monroe
Mostly clear. Lows around 60. Northeast Winds 15 to 20 Mph with Gusts up to 30 Mph.
Cape Sable Temperature Statistics
April Temperature
The Florida Keys - Marathon International Airport (26.7 miles)
Lowest 11 April, 2026
72.6 °FAverage April
78.3 °FHighest 18 April, 2026
83.6 °F
Climate (2021–Present)
The Florida Keys - Marathon International Airport (26.7 miles)
Average Low 2021–2026
75.3 °FAverage 2021–2026
80 °FAverage High 2021–2026
85 °F