Measurements:
°C
°F
Mount Desert Island
44°F
S 11 mph
Feels like: 38°F
Precip: 5%
World Resorts USA Mount Desert Island Weather October Weather in Mount Desert Island

Mount Desert Island Weather: October

Average Day Temperature: 57.6°F
Average Night Temperature: 47.3°F
Sea Water Temperature: 55.8°F
Number of Sunny Days: 13 days
Sunshine Hours: 10.3 - 11.7 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.3 in

Air Temperature in October, °F

Select Year: 2026 2025 2024

The highest day temperature in October 2026 was 79°F. The lowest night temperature was 30°F. The average values for day and night temperatures during October were 56.6°F и 44.6°F respectivly.

Mount Desert Island Water Sea Temperature in October, °F

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for Mount Desert Island was 54.9°F. The maximum and minimum values were 52.0°F and 58.8°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in October are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in October, in

Precipitation total in October for Mount Desert Island is 1.3 in. It makes october one of the most rainy months of the year.

Wind Speed in October, mph

The average wind speed in October is 8.1 mph.

Average Sunny Hours Per Day

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 Mount Desert Island in October is 6.2 hours.

Best Time to Visit Mount Desert Island
The most sunny months:
October 13 days
November 13 days
September 12 days
The most warm months:
July 75.5 °F
August 74.9 °F
June 69.2 °F
Warmest sea temperature:
August 62.8 °F
July 60.7 °F
September 59.3 °F
The most cold months:
January 26.6 °F
February 27.9 °F
December 33.1 °F
The most rainy months:
December 3 days
October 3 days
March 2 days
The most windy months:
December 11 mph
March 10 mph
February 10 mph

Mount Desert Island on the Weather Map

USA Resorts:
NAME
F°
Boston +58
Chicago +58
Hawaii +80
Houston +74
Las Vegas +64
Los Angeles +74
Maui +72
Miami +82
New York +62
Panama City Beach +64
San Diego +74
San Francisco +60
Santa Monica +72
Tampa +72
Washington +58
24 Hours Weather Forecast
Mount Desert Island
Local time: 00:45
27 oct, tuesday
0300 38°F
S
9 mph
0600 34°F
SE
6 mph
0900 38°F
S
7 mph
1200 44°F
SE
7 mph
1500 48°F
SE
9 mph
1800 40°F
SE
6 mph
2100 36°F
SE
7 mph
28 oct, wednesday
0000 32°F
SE
5 mph