Weather October 2024 Key West Forecast. October weather averages for key west, usa. Expect 29°c daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in key west in october.

Generally, october in key west will be quite hot, with an average temperature of around 87°f / 31°c. 0 seconds of 1 minute, 32 secondsvolume 0%.