Fleming Key Weather Forecast
- 67
- 74
Partly Sunny
- 68
- 74
Mostly Sunny
- 69
- 75
Mostly Sunny
- 72
- 77
Mostly Sunny
- 72
- 77
Mostly Sunny
- 72
- 78
Mostly Sunny
- 73
- 78
Mostly Sunny
Today 19 Mar Monroe Lower Keys
Partly sunny with a slight chance of Showers. Breezy with Highs in the mid 70s. North to northeast Winds 15 to 20 Mph. Chance of rain 10 percent.
Tonight 19 Mar Monroe Lower Keys
Partly cloudy with a slight chance of Showers. Breezy, becoming windy. Lows in the mid 60s. North to northeast Winds 15 to 20 Mph, increasing to near 20 Mph. Chance of rain 10 percent.
Fleming Key Temperature Statistics
March Temperature
Key West International Airport (3.1 miles)
Lowest 1 March, 2026
71.7 °FAverage March
78.8 °FHighest 14 March, 2026
84.9 °F
Climate (2021–Present)
Key West International Airport (3.1 miles)
Average Low 2021–2026
75.5 °FAverage 2021–2026
79.5 °FAverage High 2021–2026
83.9 °F