Measurements:
°C
°F
Oshkosh
64°F
W 5 mph
Feels like: 64°F
Precip: 0%
World Resorts USA Oshkosh Weather

Oshkosh Sea Water Temperature

Current Sea Water Temperature:
+55.4°F
Maximum Sea Water Temperature in May: 70.0°F
Minimum Sea Water Temperature in May: 45.0°F
Average water temperature in May: 57.9°F

Sea Water Temperature for the Last 10 Days:

May 14 55.4°F May 09 55.0°F
May 13 55.2°F May 08 55.6°F
May 12 55.0°F May 07 56.0°F
May 11 55.0°F May 06 55.8°F
May 10 55.4°F May 05 56.2°F

When is the Warmest Sea for Oshkosh?

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

Average Water Temperature by Month, °F

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Oshkosh was 80.2°F. The maximum and minimum values were 77.6°F and 85.0°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Oshkosh was 77.2°F. The maximum and minimum values were 70.2°F and 82.2°F respectively.

Sea Water Temperature in June

Select Year: 2025 2024 2023

The average sea surface temperature in June 2025 for Oshkosh was 70.5°F. The maximum and minimum values were 62.4°F and 78.6°F respectively.

Best Time to Visit Oshkosh
The most sunny months:
August 14 days
September 13 days
October 13 days
The most warm months:
July 80.0 °F
August 78.8 °F
June 75.2 °F
Warmest sea temperature:
July 78.5 °F
August 77.6 °F
June 72.2 °F
The most cold months:
January 20.6 °F
February 23.8 °F
December 28.0 °F
The most rainy months:
June 3 days
July 3 days
May 2 days
The most windy months:
November 12 mph
April 12 mph
October 11 mph

Oshkosh on the Weather Map

USA Resorts:
NAME
Boston +62
Chicago +56
Hawaii +76
Honolulu +76
Houston +94
Las Vegas +88
Los Angeles +66
Maui +70
Miami +94
Miami Beach +90
New York +68
San Diego +66
San Francisco +62
Sarasota +94
Tampa +94
24 Hours Weather Forecast
Oshkosh
Local time: 12:07
14 may, thursday
1500 72°F
N
4 mph
1800 72°F
N
7 mph
2100 56°F
NW
12 mph
15 may, friday
0000 50°F
N
13 mph
0300 50°F
N
12 mph
0600 52°F
N
14 mph
0900 58°F
N
19 mph
1200 62°F
NE
16 mph