KONO temperature trend
Ontario Municipal 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
3 °C
Sep 15, 2026
Mean temperature
17.5 °C
Mean dew point
6.6 °C
344 archived observations · Archive updated continuously
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