KPWM temperature trend
Portland International Jetport
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
60 °C
Sep 24, 2026
Coldest
5 °C
Sep 24, 2026
Mean temperature
15.9 °C
Mean dew point
9.9 °C
600 archived observations · Archive updated continuously
Advertisement
Sign up to browse without ads →
Advertisement