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What is Long Key, FL, Weather Like in October?
During the month of October, Long Key, FL,
has an average daytime high temperature of 85°F and an average overnight low temperature dropping to 76°F.
Around 5.98 inches of precipitation is received during the month,
with about 36.29 inches falling in a typical year.
Snow is not common in Long Key, FL.
October 2025: Actual vs. Average Temperatures
Showing temperatures through today (October 21, 2025)
Actual High
Average High
Actual Low
Average Low
Month Summary
Average High: 84.9 F
(-0.6 vs avg)
Average Low: 78.2 F
(+1.8 vs avg)
Actual data from: MID_1846W
Long Key, FL Daily Weather Averages for October
Recorded at Duck Key
(usc00082441),
6.5 miles
WSW of
Long Key, FL
| Day | Avg Temps (°F) | Precip (in) | Snow (in) | Degree Days (°F) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Low | High | Mean | Month | Year | Month | Year | Heat | Cool | |
| 10/1 | 77 F | 87 F | 82 F | 0.21" | 30.52" | 0.00" | 0.00" | N/A | 16.9 F |
| 10/2 | 77 F | 87 F | 82 F | 0.43" | 30.74" | 0.00" | 0.00" | N/A | 16.8 F |
| 10/3 | 77 F | 87 F | 82 F | 0.64" | 30.95" | 0.00" | 0.00" | N/A | 16.8 F |
| 10/4 | 77 F | 86 F | 82 F | 0.86" | 31.17" | 0.00" | 0.00" | N/A | 16.7 F |
| 10/5 | 77 F | 86 F | 82 F | 1.09" | 31.40" | 0.00" | 0.00" | N/A | 16.6 F |
| 10/6 | 77 F | 86 F | 82 F | 1.32" | 31.63" | 0.00" | 0.00" | N/A | 16.5 F |
| 10/7 | 77 F | 86 F | 81 F | 1.55" | 31.86" | 0.00" | 0.00" | N/A | 16.4 F |
| 10/8 | 77 F | 86 F | 81 F | 1.80" | 32.11" | 0.00" | 0.00" | N/A | 16.3 F |
| 10/9 | 77 F | 86 F | 81 F | 2.04" | 32.35" | 0.00" | 0.00" | N/A | 16.2 F |
| 10/10 | 77 F | 86 F | 81 F | 2.28" | 32.59" | 0.00" | 0.00" | N/A | 16 F |
| 10/11 | 76 F | 85 F | 81 F | 2.50" | 32.81" | 0.00" | 0.00" | N/A | 15.9 F |
| 10/12 | 76 F | 85 F | 81 F | 2.72" | 33.03" | 0.00" | 0.00" | N/A | 15.8 F |
| 10/13 | 76 F | 85 F | 81 F | 2.93" | 33.24" | 0.00" | 0.00" | N/A | 15.6 F |
| 10/14 | 76 F | 85 F | 81 F | 3.13" | 33.44" | 0.00" | 0.00" | N/A | 15.5 F |
| 10/15 | 76 F | 85 F | 80 F | 3.31" | 33.62" | 0.00" | 0.00" | N/A | 15.3 F |
| 10/16 | 76 F | 85 F | 80 F | 3.49" | 33.80" | 0.00" | 0.00" | N/A | 15.2 F |
| 10/17 | 76 F | 84 F | 80 F | 3.67" | 33.98" | 0.00" | 0.00" | N/A | 15 F |
| 10/18 | 76 F | 84 F | 80 F | 3.85" | 34.16" | 0.00" | 0.00" | N/A | 14.8 F |
| 10/19 | 75 F | 84 F | 80 F | 4.03" | 34.34" | 0.00" | 0.00" | N/A | 14.6 F |
| 10/20 | 75 F | 84 F | 80 F | 4.21" | 34.52" | 0.00" | 0.00" | N/A | 14.5 F |
| 10/21 | 75 F | 84 F | 79 F | 4.38" | 34.69" | 0.00" | 0.00" | N/A | 14.3 F |
| 10/22 | 75 F | 83 F | 79 F | 4.56" | 34.87" | 0.00" | 0.00" | N/A | 14.1 F |
| 10/23 | 75 F | 83 F | 79 F | 4.73" | 35.04" | 0.00" | 0.00" | N/A | 13.9 F |
| 10/24 | 74 F | 83 F | 79 F | 4.90" | 35.21" | 0.00" | 0.00" | N/A | 13.7 F |
| 10/25 | 74 F | 83 F | 79 F | 5.06" | 35.37" | 0.00" | 0.00" | N/A | 13.5 F |
| 10/26 | 74 F | 83 F | 78 F | 5.23" | 35.54" | 0.00" | 0.00" | N/A | 13.3 F |
| 10/27 | 74 F | 82 F | 78 F | 5.40" | 35.71" | 0.00" | 0.00" | N/A | 13.1 F |
| 10/28 | 74 F | 82 F | 78 F | 5.55" | 35.86" | 0.00" | 0.00" | N/A | 12.9 F |
| 10/29 | 73 F | 82 F | 78 F | 5.70" | 36.01" | 0.00" | 0.00" | N/A | 12.7 F |
| 10/30 | 73 F | 82 F | 78 F | 5.84" | 36.15" | 0.00" | 0.00" | N/A | 12.5 F |
| 10/31 | 73 F | 82 F | 77 F | 5.98" | 36.29" | 0.00" | 0.00" | N/A | 12.3 F |
