KMDW temperature trend
Chicago Midway 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
31 °C
Sep 12, 2026
Coldest
10 °C
Sep 27, 2026
Mean temperature
19.7 °C
Mean dew point
14.4 °C
658 archived observations · Archive updated continuously
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