Measurements:
°C
°F
Oshkosh
104°F
W 4 mph
Feels like: 114°F
Precip: 1%
World Resorts USA Oshkosh Weather

Oshkosh Sea Water Temperature

Current Sea Water Temperature:
+84.4°F
Maximum Sea Water Temperature in July: 85.0°F
Minimum Sea Water Temperature in July: 73.4°F
Average water temperature in July: 78.7°F

Sea Water Temperature for the Last 10 Days:

July 15 84.4°F July 10 80.8°F
July 14 82.8°F July 09 81.0°F
July 13 82.4°F July 08 80.2°F
July 12 81.4°F July 07 78.8°F
July 11 81.0°F July 06 79.0°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: 2026 2025 2024

The average sea surface temperature in July 2026 for Oshkosh was 80.7°F. The maximum and minimum values were 76.8°F and 84.4°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: 2026 2025 2024

The average sea surface temperature in June 2026 for Oshkosh was 73.1°F. The maximum and minimum values were 70.0°F and 76.8°F respectively.

Best Time to Visit Oshkosh
The most sunny months:
August 14 days
October 13 days
September 13 days
The most warm months:
July 80.0 °F
August 78.8 °F
June 76.0 °F
Warmest sea temperature:
July 78.5 °F
August 77.6 °F
June 72.3 °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 +92
Chicago +86
Hawaii +80
Houston +80
Las Vegas +120
Los Angeles +106
Maui +76
Miami +96
Myrtle Beach +96
New York +110
San Diego +96
San Francisco +76
Santa Monica +84
Sarasota +102
Tampa +100
24 Hours Weather Forecast
Oshkosh
Local time: 14:10
15 jul, wednesday
1500 104°F
W
4 mph
1800 100°F
W
2 mph
2100 86°F
NW
9 mph
16 jul, thursday
0000 80°F
NW
7 mph
0300 68°F
NW
5 mph
0600 68°F
NW
4 mph
0900 74°F
N
4 mph
1200 80°F
NW
4 mph