Oshkosh water temp

This data the coastal Oshkosh water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current water temperature in Oshkosh

Water temperature in Oshkosh today is 68.4°F. Based on our historical data over a period of ten years, the warmest water in this day in Oshkosh was recorded in 2012 and was 74.8°F, and the coldest was recorded in 2017 at 67.6°F. Water temperature in Oshkosh is expected to drop to 68.2°F in the next 10 days. September average water temperature in Oshkosh is 68.5°F, the minimum temperature is 60.3°F, and the maximum is 75.2°F.

The swimming season in Oshkosh lasts from June to September. During those months, Oshkosh water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Oshkosh in winter reaches 33.4°F, in spring 45°F, in summer the average temperature rises to 73.2°F, and in autumn it is 56.1°F.

Oshkosh water temperature now

Surf Forecast in Oshkosh for today

Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Oshkosh. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Oshkosh. Data in table shown for September 5, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Oshkosh

Oshkosh weather forecast

Current temperature and weather

Data in a table show Oshkosh temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Oshkosh.

0-3 h	3-6 h	6-9 h	9-12 h
54.1°F	54.5°F	52°F	51.8°F

12-15 h	15-18 h	18-21 h	21-24 h
55.9°F	60.4°F	59°F	49.1°F

Oshkosh water temperature by month

These figures shows the average, minimum and maximum monthly water temperature in Oshkosh. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Oshkosh on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

Chart monthly average water temperature in Oshkosh

The nearest beaches and cities from Oshkosh with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

	Water	Weather		Wave
Sheboygan	68.2°F	62.6°F		2' 10"
Green Bay	68.5°F	59°F		1' 8"
Cedar Grove	69.6°F	62.6°F		2' 10"
Kohler Andrae	68.9°F	62.6°F		2' 10"
Two Rivers	67.6°F	60.8°F		3' 6"
Harrington Beach	69.8°F	62.6°F		2' 6"
Suamico	68.2°F	59°F		1' 8"
Port Washington	69.8°F	62.6°F		2' 6"
Kewaunee	67.1°F	59°F		2' 11"
Whitefish Bay	69.4°F	62.6°F		2' 4"

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Our report for Oshkosh is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.