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What is Mackinaw City, MI, Weather Like in October?
During the month of October, Mackinaw City, MI,
has an average daytime high temperature of 56°F and an average overnight low temperature dropping to 43°F.
Snow is not common in Mackinaw City, MI.
October 2025: Actual vs. Average Temperatures
Showing temperatures through today (October 26, 2025)
Actual High
Average High
Actual Low
Average Low
Month Summary
Average High: 61 F
(+3.8 vs avg)
Average Low: 44.2 F
(+0.9 vs avg)
Daytime temperatures were significantly above average.
Actual data from: MID_MC012
Mackinaw City, MI Daily Weather Averages for October
Recorded at St Ignace Mackinac Br
(usc00207274),
4.9 miles
N of
Mackinaw City, MI
| Day | Avg Temps (°F) | Precip (in) | Snow (in) | Degree Days (°F) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Low | High | Mean | Month | Year | Month | Year | Heat | Cool | |
| 10/1 | 48 F | 63 F | 55 F | N/A | N/A | N/A | N/A | 9.8 F | 0.3 F |
| 10/2 | 48 F | 62 F | 55 F | N/A | N/A | N/A | N/A | 10.3 F | 0.3 F |
| 10/3 | 47 F | 62 F | 55 F | N/A | N/A | N/A | N/A | 10.7 F | 0.2 F |
| 10/4 | 47 F | 62 F | 54 F | N/A | N/A | N/A | N/A | 11.1 F | 0.2 F |
| 10/5 | 46 F | 61 F | 54 F | N/A | N/A | N/A | N/A | 11.5 F | 0.2 F |
| 10/6 | 46 F | 61 F | 53 F | N/A | N/A | N/A | N/A | 11.9 F | 0.2 F |
| 10/7 | 46 F | 60 F | 53 F | N/A | N/A | N/A | N/A | 12.4 F | 0.2 F |
| 10/8 | 45 F | 60 F | 52 F | N/A | N/A | N/A | N/A | 12.8 F | 0.2 F |
| 10/9 | 45 F | 59 F | 52 F | N/A | N/A | N/A | N/A | 13.2 F | 0.1 F |
| 10/10 | 44 F | 59 F | 52 F | N/A | N/A | N/A | N/A | 13.6 F | 0.1 F |
| 10/11 | 44 F | 58 F | 51 F | N/A | N/A | N/A | N/A | 14 F | 0.1 F |
| 10/12 | 44 F | 58 F | 51 F | N/A | N/A | N/A | N/A | 14.5 F | 0.1 F |
| 10/13 | 43 F | 57 F | 50 F | N/A | N/A | N/A | N/A | 14.9 F | N/A |
| 10/14 | 43 F | 57 F | 50 F | N/A | N/A | N/A | N/A | 15.3 F | N/A |
| 10/15 | 43 F | 56 F | 49 F | N/A | N/A | N/A | N/A | 15.7 F | N/A |
| 10/16 | 42 F | 56 F | 49 F | N/A | N/A | N/A | N/A | 16.2 F | N/A |
| 10/17 | 42 F | 55 F | 48 F | N/A | N/A | N/A | N/A | 16.6 F | N/A |
| 10/18 | 41 F | 55 F | 48 F | N/A | N/A | N/A | N/A | 17 F | N/A |
| 10/19 | 41 F | 54 F | 48 F | N/A | N/A | N/A | N/A | 17.5 F | N/A |
| 10/20 | 41 F | 54 F | 47 F | N/A | N/A | N/A | N/A | 17.9 F | N/A |
| 10/21 | 40 F | 53 F | 47 F | N/A | N/A | N/A | N/A | 18.3 F | N/A |
| 10/22 | 40 F | 53 F | 46 F | N/A | N/A | N/A | N/A | 18.8 F | N/A |
| 10/23 | 39 F | 52 F | 46 F | N/A | N/A | N/A | N/A | 19.2 F | N/A |
| 10/24 | 39 F | 52 F | 45 F | N/A | N/A | N/A | N/A | 19.6 F | N/A |
| 10/25 | 39 F | 51 F | 45 F | N/A | N/A | N/A | N/A | 20 F | N/A |
| 10/26 | 38 F | 51 F | 45 F | N/A | N/A | N/A | N/A | 20.4 F | N/A |
| 10/27 | 38 F | 51 F | 44 F | N/A | N/A | N/A | N/A | 20.8 F | N/A |
| 10/28 | 38 F | 50 F | 44 F | N/A | N/A | N/A | N/A | 21.3 F | N/A |
| 10/29 | 37 F | 50 F | 43 F | N/A | N/A | N/A | N/A | 21.7 F | N/A |
| 10/30 | 37 F | 49 F | 43 F | N/A | N/A | N/A | N/A | 22 F | N/A |
| 10/31 | 36 F | 49 F | 43 F | N/A | N/A | N/A | N/A | 22.4 F | N/A |
