Key West October 2024 Temperature. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 26.6. The weather in october in key west is wet (with 9.9in of precipitation over 12 days).
Check accurate weather in october in key west (fl). This page contains a list of the average monthly high and low temperatures in key west, florida for the month of october each year between 1948 and 2023.