Sombrero Key Weather Forecast
- 82
- 88
Mostly Sunny
- 84
- 90
Mostly Sunny
- 84
- 90
Mostly Sunny
- 82
- 89
Slight Chance Thunderstorms
- 83
- 89
Mostly Sunny
- 83
- 89
Slight Chance Thunderstorms
Today 17 Aug Monroe Middle Keys
Mostly sunny. Highs near 90. East to southeast Winds near 5 Mph.
Tonight 17 Aug Monroe Middle Keys
Mostly clear. Lows in the lower 80s. Light and variable Winds.
Sombrero Key Temperature Statistics
August Temperature
The Florida Keys - Marathon International Airport (7.5 miles)
Lowest 12 August, 2026
77 °FAverage August
86.3 °FHighest 1 August, 2026
91.7 °F
Climate (2021–2026)
The Florida Keys - Marathon International Airport (7.5 miles)
Average Low 2021–2026
75.4 °FAverage 2021–2026
80.1 °FAverage High 2021–2026
85.1 °F