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Petoskey Weather

Petoskey 14 Days Forecast

19.09
sat

Day

55°F

NW 8 mph

Precip.
12%

Night

57°F

W 3 mph

Precip.
24%

20.09
sun

Day

63°F

SW 10 mph

Precip.
10%

Night

48°F

SW 14 mph

Precip.
23%

21.09
mon

Day

52°F

W 14 mph

Precip.
13%

Night

48°F

W 9 mph

Precip.
13%

22.09
tue

Day

55°F

W 15 mph

Precip.
1%

Night

48°F

W 7 mph

Precip.
9%

23.09
wed

Day

61°F

W 12 mph

Precip.
1%

Night

48°F

W 4 mph

Precip.
13%

24.09
thu

Day

59°F

SW 6 mph

Precip.
4%

Night

50°F

W 2 mph

Precip.
7%

25.09
fri

Day

63°F

NW 4 mph

Precip.
1%

Night

54°F

NW 3 mph

Precip.
3%

26.09
sat

Day

64°F

NE 6 mph

Precip.
1%

Night

55°F

N 4 mph

Precip.
20%

27.09
sun

Day

63°F

NE 8 mph

Precip.
7%

Night

57°F

N 4 mph

Precip.
24%

28.09
mon

Day

59°F

NE 9 mph

Precip.
26%

Night

52°F

NE 9 mph

Precip.
33%

29.09
tue

Day

54°F

SW 11 mph

Precip.
16%

Night

50°F

W 7 mph

Precip.
17%

30.09
wed

Day

52°F

W 12 mph

Precip.
23%

Night

54°F

SW 12 mph

Precip.
10%

01.10
thu

Day

59°F

W 16 mph

Precip.
20%

Night

54°F

W 11 mph

Precip.
51%

02.10
fri

Day

61°F

W 11 mph

Precip.
10%

Night

59°F

NW 4 mph

Precip.
7%

sea water
temperature

Petoskey

monthly
weather

Petoskey

current
weather

Petoskey

7 days
forecast

Petoskey

January
February
March
April

May
June
July
August

September
October
November
December

Show year:

2026

2025

2024

The average sea water temperature in September of 2026 was 70.0°F. The highest and lowest sea temperatures during the month were 71.8°F and 68.4°F.

Show year:

2025

2024

2023

The average sea water temperature in October of 2025 was 61.1°F. The highest and lowest sea temperatures during the month were 65.1°F and 55.9°F.