Big Spanish Channel - Mayo Key Weather Forecast
- 82
- 92
Slight Chance Thunderstorms
- 82
- 92
Slight Chance Thunderstorms
- 82
- 92
Mostly Sunny
- 82
- 92
Slight Chance Thunderstorms
- 82
- 92
Mostly Sunny
- 82
- 92
Slight Chance Thunderstorms
- 82
- 92
Chance Thunderstorms
Today 24 Jun Monroe Lower Keys
Mostly sunny with a slight chance of Showers and Thunderstorms. Highs near 90. Southeast Winds near 5 Mph. Chance of rain 20 percent.
Tonight 24 Jun Monroe Lower Keys
Partly cloudy with a slight chance of Showers and Thunderstorms. Lows in the lower to mid 80s. East to southeast Winds 5 to 10 Mph. Chance of rain 10 percent.
Big Spanish Channel - Mayo Key Temperature Statistics
June Temperature
The Florida Keys - Marathon International Airport (19.3 miles)
Lowest 3 June, 2026
74.6 °FAverage June
84.4 °FHighest 2 June, 2026
90.6 °F
Climate (2021–2026)
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