Cape Sable Weather Forecast
- 47
- 73
Rain Showers
- 60
- 67
Mostly Sunny
- 60
- 72
Mostly Cloudy
- 51
- 70
Mostly Sunny
- 53
- 67
Mostly Sunny
- 57
- 71
Mostly Sunny
Today 15 Jan Mainland Monroe
Partly sunny. Showers likely with a slight chance of Thunderstorms this Morning, then a slight chance of Showers this afternoon. Highs in the mid 70s. Temperature falling into the mid 60s this afternoon. West Winds 15 to 20 Mph, becoming northwest this afternoon. Gusts up to 35 Mph. Chance of rain 70 percent.
Tonight 15 Jan Mainland Monroe
Mostly clear. Much cooler. Less humid with Lows in the upper 30s. North Winds 15 to 20 Mph with Gusts up to 30 Mph, Diminishing to 5 to 10 Mph with Gusts up to 20 Mph after midnight.
Cape Sable Temperature Statistics
January Temperature
The Florida Keys - Marathon International Airport (26.7 miles)
Lowest 1 January, 2026
55.9 °FAverage January
72.2 °FHighest 9 January, 2026
81 °F
Climate (2021–Present)
The Florida Keys - Marathon International Airport (26.7 miles)
Average Low 2021–2026
75.4 °FAverage 2021–2026
80.1 °FAverage High 2021–2026
85.1 °F