Key West Weather: October
 |
Average Day Temperature: | 86.5°F |
|
Average Night Temperature: | 82.8°F |
|
Sea Water Temperature: | 86.8°F |
|
Number of Sunny Days: | 12 days |
| Sunshine Hours: | 11.2 - 11.9 hours | |
|
Number of Rainy Days: | 5 days |
| Precipitation Totals: | 3.6 in | |
| detailed information | ||
forecast
| Key West |
Temperature
| Key West |
Air Temperature in October, °F
The highest day temperature in October 2025 was 90°F. The lowest night temperature was 76°F. The average values for day and night temperatures during October were 86.0°F и 83.0°F respectivly.
Key West Water Sea Temperature in October, °F
The average sea surface temperature in October 2025 for Key West was 87.5°F. The maximum and minimum values were 85.0°F and 90.4°F respectively.
You can expect various weather conditions during October. Be ready for sunny, cloudy or even gloomy days.
Precipitation Totals in October, in
Precipitation total in October for Key West is 3.6 in. It makes october one of the most rainy months of the year.
The average wind speed in October is 13.6 mph.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Key West in October is 7.0 hours.
Key West on the Weather Map
| Boston |  |
+96 |
| Chicago | |
+86 |
| Hawaii |  |
+82 |
| Houston |  |
+80 |
| Las Vegas |  |
+118 |
| Los Angeles | |
+100 |
| Maui | |
+78 |
| Miami | |
+96 |
| Myrtle Beach | |
+90 |
| New York | |
+104 |
| San Diego | |
+94 |
| San Francisco | |
+82 |
| Santa Monica | |
+82 |
| Sarasota | |
+96 |
| Tampa | |
+98 |
| 1800 |  |
92°F | W 12 mph |
| 2100 |  |
90°F | W 11 mph |
| 0000 |  |
88°F | W 13 mph |
| 0300 | |
88°F | SW 12 mph |
| 0600 | |
88°F | SW 10 mph |
| 0900 |  |
88°F | SW 12 mph |
| 1200 | |
90°F | SW 10 mph |
| 1500 | |
90°F | W 7 mph |