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Mount Desert Island Weather

Mount Desert Island 14 Days Forecast

21.07
tue

Day

75°F

N 12 mph

Precip.
4%

Night

61°F

NW 14 mph

Precip.
81%

22.07
wed

Day

70°F

N 12 mph

Precip.
16%

Night

63°F

N 9 mph

Precip.
42%

23.07
thu

Day

72°F

NE 8 mph

Precip.
3%

Night

54°F

SE 5 mph

Precip.
12%

24.07
fri

Day

72°F

NE 8 mph

Precip.
2%

Night

55°F

NE 4 mph

Precip.
11%

25.07
sat

Day

72°F

N 8 mph

Precip.
2%

Night

57°F

NE 5 mph

Precip.
15%

26.07
sun

Day

75°F

NE 10 mph

Precip.
2%

Night

57°F

NE 5 mph

Precip.
13%

27.07
mon

Day

72°F

N 11 mph

Precip.
5%

Night

61°F

N 4 mph

Precip.
43%

28.07
tue

Day

61°F

SW 9 mph

Precip.
95%

Night

59°F

SE 6 mph

Precip.
36%

29.07
wed

Day

70°F

SE 5 mph

Precip.
12%

Night

59°F

SE 4 mph

Precip.
16%

30.07
thu

Day

72°F

NW 6 mph

Precip.
4%

Night

57°F

N 4 mph

Precip.
22%

31.07
fri

Day

70°F

N 9 mph

Precip.
6%

Night

57°F

N 5 mph

Precip.
43%

01.08
sat

Day

68°F

N 12 mph

Precip.
15%

Night

63°F

E 6 mph

Precip.
13%

02.08
sun

Day

75°F

SE 12 mph

Precip.
2%

Night

63°F

SE 4 mph

Precip.
8%

03.08
mon

Day

77°F

E 7 mph

Precip.
2%

Night

64°F

N 6 mph

Precip.
11%

sea water
temperature

Mount Desert Island

monthly
weather

Mount Desert Island

current
weather

Mount Desert Island

7 days
forecast

Mount Desert Island

January
February
March
April

May
June
July
August

September
October
November
December

Show year:

2026

2025

2024

The average sea water temperature in July of 2026 was 58.5°F. The highest and lowest sea temperatures during the month were 61.7°F and 54.7°F.

Show year:

2025

2024

2023

The average sea water temperature in August of 2025 was 60.2°F. The highest and lowest sea temperatures during the month were 63.0°F and 57.0°F.