Measurements:
°C
°F
Oshkosh
34°F
SE 30 mph
Feels like: 18°F
Precip: 0%
World Resorts USA Oshkosh Weather

Oshkosh Sea Water Temperature

Current Sea Water Temperature:
+32.0°F
Maximum Sea Water Temperature in March: 39.2°F
Minimum Sea Water Temperature in March: 30.2°F
Average water temperature in March: 32.7°F

Sea Water Temperature for the Last 10 Days:

March 13 32.0°F March 08 32.2°F
March 12 32.0°F March 07 32.2°F
March 11 32.0°F March 06 32.2°F
March 10 32.2°F March 05 30.4°F
March 09 32.2°F March 04 30.2°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
Chicago +42
Hawaii +76
Honolulu +76
Houston +82
Las Vegas +96
Los Angeles +100
Maui +70
Miami +84
Miami Beach +82
New York +42
San Diego +94
San Francisco +72
Sarasota +80
Tampa +80
Washington +56
24 Hours Weather Forecast
Oshkosh
Local time: 16:03
13 mar, friday
1800 32°F
SE
25 mph
2100 28°F
SE
17 mph
14 mar, saturday
0000 28°F
SE
11 mph
0300 28°F
SE
7 mph
0600 24°F
S
5 mph
0900 26°F
W
4 mph
1200 30°F
NW
3 mph
1500 34°F
SW
6 mph