Big Spanish Channel - Mayo Key Weather Forecast
- 72
- 82
Increasing Clouds
- 72
- 83
Chance Rain Showers
- 74
- 83
Chance Rain Showers
- 74
- 85
Mostly Sunny
- 75
- 84
Mostly Sunny
- 75
- 84
Mostly Sunny
Today 22 Apr Monroe Lower Keys
Mostly sunny and breezy. Highs in the lower 80s. East Winds 15 to 20 Mph.
Tonight 22 Apr Monroe Lower Keys
Increasing cloudiness. A slight chance of Showers. Breezy in the evening. Lows in the lower 70s. East Winds 15 to 20 Mph, decreasing to near 15 Mph. Chance of rain 20 percent.
Big Spanish Channel - Mayo Key Temperature Statistics
April Temperature
The Florida Keys - Marathon International Airport (19.3 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 (19.3 miles)
Average Low 2021–2026
75.3 °FAverage 2021–2026
80 °FAverage High 2021–2026
85 °F