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Mount Desert Island Weather

Mount Desert Island 14 Days Forecast

29.04
wed

Day

43°F

W 12 mph

Precip.
100%

Night

41°F

W 12 mph

Precip.
100%

30.04
thu

Day

45°F

W 11 mph

Precip.
100%

Night

45°F

NW 9 mph

Precip.
100%

01.05
fri

Day

46°F

SE 9 mph

Precip.
85%

Night

41°F

E 11 mph

Precip.
0%

02.05
sat

Day

52°F

E 9 mph

Precip.
0%

Night

39°F

N 3 mph

Precip.
0%

03.05
sun

Day

50°F

NE 10 mph

Precip.
86%

Night

41°F

E 7 mph

Precip.
100%

04.05
mon

Day

52°F

NE 13 mph

Precip.
25%

Night

43°F

E 5 mph

Precip.
0%

05.05
tue

Day

54°F

N 9 mph

Precip.
0%

Night

48°F

N 14 mph

Precip.
21%

06.05
wed

Day

55°F

NE 12 mph

Precip.
0%

Night

43°F

NE 4 mph

Precip.
0%

07.05
thu

Day

52°F

E 7 mph

Precip.
59%

Night

43°F

NW 3 mph

Precip.
0%

08.05
fri

Day

45°F

NW 14 mph

Precip.
100%

Night

43°F

SE 12 mph

Precip.
0%

09.05
sat

Day

55°F

E 13 mph

Precip.
0%

Night

41°F

SE 6 mph

Precip.
0%

10.05
sun

Day

57°F

E 6 mph

Precip.
0%

Night

43°F

E 4 mph

Precip.
0%

11.05
mon

Day

61°F

E 3 mph

Precip.
0%

Night

48°F

E 2 mph

Precip.
0%

12.05
tue

Day

55°F

NW 5 mph

Precip.
0%

Night

46°F

N 5 mph

Precip.
0%

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 April of 2026 was 39.8°F. The highest and lowest sea temperatures during the month were 42.4°F and 36.9°F.

Show year:

2025

2024

2023

The average sea water temperature in May of 2025 was 46.1°F. The highest and lowest sea temperatures during the month were 49.8°F and 41.9°F.