Measurements:
°C
°F
Oshkosh
58°F
NW 8 mph
Feels like: 58°F
Precip: 3%
World Resorts USA Oshkosh Weather

Oshkosh Sea Water Temperature

Current Sea Water Temperature:
+64.4°F
Maximum Sea Water Temperature in October: 72.2°F
Minimum Sea Water Temperature in October: 47.6°F
Average water temperature in October: 59.1°F

Sea Water Temperature for the Last 10 Days:

October 05 64.4°F September 30 67.0°F
October 04 65.2°F September 29 66.4°F
October 03 65.2°F September 28 63.8°F
October 02 66.0°F September 27 63.8°F
October 01 66.4°F September 26 63.4°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 80.6°F. The maximum and minimum values were 76.8°F and 85.4°F respectively.

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Oshkosh was 77.5°F. The maximum and minimum values were 73.8°F and 79.4°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 15 days
July 14 days
October 13 days
The most warm months:
July 81.4 °F
August 79.5 °F
June 76.0 °F
Warmest sea temperature:
July 78.8 °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 2 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
F°
Boston +58
Chicago +62
Hawaii +82
Houston +86
Las Vegas +92
Los Angeles +100
Maui +74
Miami +88
Myrtle Beach +70
New York +62
San Diego +84
San Francisco +66
Santa Monica +94
Sarasota +84
Washington +64
24 Hours Weather Forecast
Oshkosh
Local time: 19:26
05 oct, monday
2100 52°F
N
13 mph
06 oct, tuesday
0000 52°F
N
14 mph
0300 52°F
N
14 mph
0600 50°F
N
14 mph
0900 56°F
N
17 mph
1200 66°F
NE
20 mph
1500 68°F
NE
20 mph
1800 66°F
NE
20 mph