World Resorts USA Mount Desert Island Weather

Mount Desert Island 7 Days Forecast

09.10
fri
Day
59°F
E 12 mph
Precip.
5%
Night
43°F
E 8 mph
Precip.
9%
10.10
sat
Day
50°F
SE 16 mph
Precip.
1%
Night
41°F
SE 3 mph
Precip.
9%
11.10
sun
Day
57°F
NE 14 mph
Precip.
16%
Night
57°F
NE 15 mph
Precip.
21%
12.10
mon
Day
63°F
SE 4 mph
Precip.
11%
Night
46°F
SW 8 mph
Precip.
35%
13.10
tue
Day
50°F
NW 9 mph
Precip.
38%
Night
55°F
N 15 mph
Precip.
54%
14.10
wed
Day
59°F
NE 7 mph
Precip.
46%
Night
48°F
S 11 mph
Precip.
12%
15.10
thu
Day
52°F
S 11 mph
Precip.
2%
Night
43°F
W 4 mph
Precip.
20%

Sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 54.9°F. The highest and lowest sea temperatures during the month were 58.3°F and 52.9°F.

Air temperature in Mount Desert Island, °F

Precipitation total in Mount Desert Island, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Mount Desert Island

Sunniest months:
October 13 days
November 13 days
September 12 days
Warmest months:
July 73.0 °F
August 72.4 °F
June 67.2 °F
Warmest sea temp:
August 61.6 °F
July 59.6 °F
September 58.4 °F
Coldest months:
January 28.9 °F
February 30.1 °F
December 34.8 °F
Rainiest months:
December 3 days
October 3 days
March 2 days
Windiest months:
December 10.7 mph
March 10.5 mph
February 10.4 mph

Mount Desert Island on a weather map

Current weather
05:17
Mount Desert Island
+45°F
E 5 mph
Feels like: +43°F
Precip.: 16%
Places in USA:
Name
°F
Boston
+54°F
Washington
+55°F
Hawaii
+79°F
Las Vegas
+75°F
Los Angeles
+75°F
Miami
+84°F
Maui
+72°F
New York
+59°F
San Diego
+73°F
San Francisco
+61°F
Santa Monica
+73°F
Sarasota
+73°F
Tampa
+75°F
Houston
+73°F
Chicago
+61°F
all places
24 Hours Forecast
Mount Desert Island
Local time: 05:17
October 09, friday
0600
45°F
E
5 mph
0900
54°F
E
8 mph
1200
59°F
E
12 mph
1500
57°F
SE
14 mph
1800
52°F
SE
12 mph
2100
46°F
E
9 mph
October 10, saturday
0000
43°F
E
8 mph
0300
43°F
E
11 mph
Units of measurement: °C / °F