Measurements:
°C
°F
Petoskey
82°F
SE 10 mph
Feels like: 84°F
Precip: 3%
World Resorts USA Petoskey Weather

Petoskey Sea Water Temperature

Current Sea Water Temperature:
+76.6°F
Maximum Sea Water Temperature in July: 76.6°F
Minimum Sea Water Temperature in July: 60.8°F
Average water temperature in July: 69.8°F

Sea Water Temperature for the Last 10 Days:

July 15 76.6°F July 10 72.0°F
July 14 75.2°F July 09 72.2°F
July 13 74.4°F July 08 71.0°F
July 12 73.2°F July 07 71.0°F
July 11 72.6°F July 06 68.8°F

When is the Warmest Sea for Petoskey?

According to our data for the last three years for Petoskey the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Petoskey was 72.6°F. The maximum and minimum values were 69.0°F and 76.0°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Petoskey was 70.5°F. The maximum and minimum values were 61.6°F and 76.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Petoskey was 66.8°F. The maximum and minimum values were 65.2°F and 69.6°F respectively.

Best Time to Visit Petoskey
The most sunny months:
September 13 days
August 13 days
July 13 days
The most warm months:
August 76.5 °F
July 76.1 °F
June 70.5 °F
Warmest sea temperature:
August 73.0 °F
July 69.7 °F
September 68.8 °F
The most cold months:
January 22.1 °F
February 22.6 °F
December 29.7 °F
The most rainy months:
April 3 days
October 3 days
July 2 days
The most windy months:
November 11 mph
December 11 mph
February 10 mph

Petoskey on the Weather Map

USA Resorts:
NAME
Boston +96
Chicago +84
Hawaii +82
Houston +82
Las Vegas +118
Los Angeles +100
Maui +78
Miami +96
Myrtle Beach +90
New York +104
San Diego +94
San Francisco +82
Santa Monica +82
Sarasota +96
Tampa +98
24 Hours Weather Forecast
Petoskey
Local time: 17:35
15 jul, wednesday
1800 82°F
SE
10 mph
2100 74°F
SE
9 mph
16 jul, thursday
0000 70°F
SE
4 mph
0300 64°F
SE
2 mph
0600 60°F
E
2 mph
0900 74°F
E
6 mph
1200 80°F
E
8 mph
1500 84°F
E
8 mph