The temperatures in Bar Harbor in October are quite cold with temperatures between 7°C and 14°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Bar Harbor during the month of October. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Please note that Bar Harbor can expect a few days of snow in October.
Our weather forecast can give you a great sense of what weather to expect in Bar Harbor in October 2025.
If you’re planning to visit Bar Harbor in the near future, we highly recommend that you review the 14 day weather forecast for Bar Harbor before you arrive.
Temperatures
14° / 7°
Rainy Days
7
Snowy Days
1
Dry Days
23
Rainfall
161
mm
Sun Hours
8.7
Hrs
