KSAN temperature trend
San Diego 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
34 °C
Sep 9, 2026
Coldest
17 °C
Sep 29, 2026
Mean temperature
23.4 °C
Mean dew point
18.0 °C
701 archived observations · Archive updated continuously
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