KBOS temperature trend
Boston Logan 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
30 °C
Sep 10, 2026
Coldest
9 °C
Sep 24, 2026
Mean temperature
17.8 °C
Mean dew point
12.1 °C
643 archived observations · Archive updated continuously
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