Key West Weather in October
Average highs run from 87°F on October 1 to 83°F on October 31, and lows from 76°F to 73°F. Normal precipitation for the month is 6.01 in over about 12 wet days.
October day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
October at a glance
- Average high
- 85°F
- Average low
- 75°F
- Precipitation
- 6.01 in
- Record high
- 93°FOct 5, 1962
- Record low
- 60°FOct 28, 1957
- Chance of a freeze
- 0%
- Days of 90°F or more
- 1.0
- Daylight
- 11 h 55 min to 11 h 15 min
- Cloud cover
- 52%
- Humidity
- 77%
- Dew point
- 73°F
- Wind
- 13.4 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Oct 1 | 87°F | 76°F | 92°F 1958 | 70°F 1963 | 47% |
| Oct 2 | 87°F | 76°F | 91°F 1952 | 72°F 1951 | 47% |
| Oct 3 | 87°F | 76°F | 91°F 1961 | 71°F 1950 | 46% |
| Oct 4 | 87°F | 76°F | 91°F 1962 | 71°F 1950 | 45% |
| Oct 5 | 87°F | 76°F | 93°F 1962 | 71°F 1957 | 45% |
| Oct 6 | 87°F | 76°F | 92°F 1962 | 70°F 1992 | 44% |
| Oct 7 | 86°F | 76°F | 91°F 2009 | 70°F 1987 | 43% |
| Oct 8 | 86°F | 76°F | 90°F 1989 | 70°F 1952 | 43% |
| Oct 9 | 86°F | 75°F | 90°F 1995 | 71°F 1949 | 42% |
| Oct 10 | 86°F | 75°F | 90°F 1950 | 70°F 1949 | 41% |
| Oct 11 | 86°F | 75°F | 90°F 1960 | 71°F 1951 | 41% |
| Oct 12 | 86°F | 75°F | 91°F 1950 | 70°F 1987 | 40% |
| Oct 13 | 86°F | 75°F | 91°F 1960 | 70°F 1977 | 40% |
| Oct 14 | 86°F | 75°F | 90°F 1993 | 67°F 1977 | 39% |
| Oct 15 | 85°F | 75°F | 90°F 2009 | 67°F 1977 | 39% |
| Oct 16 | 85°F | 75°F | 91°F 2009 | 72°F 1963 | 38% |
| Oct 17 | 85°F | 75°F | 89°F 2007 | 67°F 1977 | 38% |
| Oct 18 | 85°F | 75°F | 90°F 2007 | 65°F 2000 | 37% |
| Oct 19 | 85°F | 75°F | 89°F 1989 | 65°F 2009 | 36% |
| Oct 20 | 85°F | 74°F | 89°F 1960 | 66°F 1989 | 36% |
| Oct 21 | 85°F | 74°F | 89°F 2007 | 64°F 1964 | 35% |
| Oct 22 | 85°F | 74°F | 89°F 1962 | 68°F 1976 | 35% |
| Oct 23 | 84°F | 74°F | 89°F 1950 | 68°F 1961 | 34% |
| Oct 24 | 84°F | 74°F | 89°F 1990 | 68°F 2006 | 33% |
| Oct 25 | 84°F | 74°F | 88°F 1981 | 64°F 2005 | 33% |
| Oct 26 | 84°F | 74°F | 88°F 1981 | 64°F 2005 | 32% |
| Oct 27 | 84°F | 73°F | 91°F 1960 | 66°F 1957 | 32% |
| Oct 28 | 84°F | 73°F | 91°F 1960 | 60°F 1957 | 31% |
| Oct 29 | 83°F | 73°F | 88°F 1959 | 61°F 2008 | 31% |
| Oct 30 | 83°F | 73°F | 89°F 1993 | 64°F 2017 | 30% |
| Oct 31 | 83°F | 73°F | 87°F 2002 | 60°F 2017 | 29% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (EDT).
- October 1
- sunrise 7:19 AM, sunset 7:14 PM
- October 31
- sunrise 7:33 AM, sunset 6:48 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00084571 (Key W WFO), public domain. Records: NOAA GHCN-Daily, station USW00012836, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.