KMTH temperature trend
Florida Keys Marathon International Airport
Temperature and dew point over time. The gap between them is what decides fog, and the temperature itself is what decides your density altitude and takeoff run.
Warmest
32 °C
Sep 16, 2026
Coldest
26 °C
Sep 21, 2026
Mean temperature
29.3 °C
Mean dew point
24.4 °C
446 archived observations · Archive updated continuously
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