The climate in this area has mild differences between highs and lows, and there is adequate rainfall year-round. According to the Köppen Climate Classification system, Fall City has a marine west coast climate, abbreviated "Cfb" on climate maps.
According to the Federal Aviation Administration, the Fall City Airport is a small private airport community located roughly 2 miles to the east of Fall City in Spring Glen at Latitude: 47-33-34.366 N & Longitude: 121-51-49.413 W. at an elevation of 140 feet (42.5 m). The airport is owned by the Fall City Airport Association. It has no traffic control tower.