Sombrero Key Weather Forecast
- 84
- 88
Chance Rain Showers
- 84
- 88
Slight Chance Thunderstorms
- 84
- 89
Mostly Sunny
- 83
- 89
Chance Thunderstorms
- 84
- 88
Slight Chance Rain Showers
- 84
- 89
Mostly Sunny
Today 20 Jul Monroe Middle Keys
Sunny with a slight chance of Showers and Thunderstorms. Highs in the lower 90s. South Winds 5 to 10 Mph. Chance of rain 10 percent. Heat index Values up to 109.
Tonight 20 Jul Monroe Middle Keys
Partly cloudy. Lows in the lower 80s. Southeast Winds 5 to 10 Mph.
Sombrero Key Temperature Statistics
July Temperature
The Florida Keys - Marathon International Airport (7.5 miles)
Lowest 10 July, 2026
74.6 °FAverage July
86.9 °FHighest 16 July, 2026
93.7 °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 °F