KFSO temperature trend
Franklin County State 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
26 °C
Sep 13, 2026
Coldest
4 °C
Sep 19, 2026
Mean temperature
17.7 °C
Mean dew point
11.2 °C
486 archived observations · Archive updated continuously
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