KTTN temperature trend
Trenton Mercer 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 10, 2026
Coldest
10 °C
Sep 24, 2026
Mean temperature
19.7 °C
Mean dew point
13.8 °C
627 archived observations · Archive updated continuously
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