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Water temperature in Lake Winnebago (WI) in October

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Is it warm enough to swim in Lake Winnebago in October? Average water temperature in Lake Winnebago in October is 55.9°F and therefore is not suitable for comfortable swimming. The warmest water in Lake Winnebago in October is 68.4°F, and the coldest is 45.9°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Lake Winnebago

Changes water temperature in Lake Winnebago in October 2025, 2024

To get an accurate forecast for the water temperature in Lake Winnebago for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Lake Winnebago, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of October.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
October 168.4°F67.8°F60.1°F68.4°F
October 2 66.7°F59.9°F67.5°F
October 3 66°F59.2°F67.6°F
October 4 64.2°F58.3°F68.4°F
October 5 64.2°F57°F67.3°F
October 6 63.3°F55.9°F66.4°F
October 7 63.1°F55.6°F64.9°F
October 8 62.8°F55.2°F65.1°F
October 9 60.8°F54.9°F65.8°F
October 10 60.8°F54.1°F64.4°F
October 11 61°F53.2°F63.1°F
October 12 60.6°F53.4°F62.2°F
October 13 59.7°F53.1°F61.5°F
October 14 59.2°F52.5°F65.3°F
October 15 58.6°F51.3°F64°F
Day 2025 2024 Min Max
October 16 56.5°F51.3°F61.7°F
October 17 54.7°F51.3°F60.4°F
October 18 54.7°F50.4°F59°F
October 19 54.3°F49.8°F61°F
October 20 54.5°F49.8°F60.3°F
October 21 54.7°F47.8°F59°F
October 22 53.8°F48.4°F57.7°F
October 23 54.1°F48.2°F56.7°F
October 24 54.9°F47.8°F55.6°F
October 25 53.6°F47.3°F54.5°F
October 26 53.6°F46.2°F53.8°F
October 27 53.1°F46.6°F53.1°F
October 28 52.7°F46.2°F53.2°F
October 29 50.5°F45.9°F52.5°F
October 30 50.2°F45.9°F52°F
October 31 52.7°F46.8°F54.1°F
Lake Winnebago water temp chart in October

Average water temperature in Lake Winnebago in October over a decade

20152016201720182019
55.2°F56.3°F58.5°F55.4°F55.9°F
20202021202220232024
54.3°F60.3°F54.1°F58.3°F57.9°F

Lake Winnebago sea state in October

Chart comparing the height of waves in Lake Winnebago in October over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in Lake Winnebago in October

Lake Winnebago water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in October?

Want to know where the water temperature in October is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Temperature in neighboring cities

The nearest locations with the average water temperature in October. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Oshkosh55.9°F45.9°F68.2°F
Sheboygan56.3°F45.5°F69.1°F
Kohler Andrae56.8°F45.5°F69.1°F
Cedar Grove56.5°F43.7°F69.1°F
Two Rivers55.8°F44.8°F68.9°F
Harrington Beach56.5°F43.3°F69.1°F
Suamico56.5°F47.8°F68.7°F
Port Washington56.3°F42.4°F69.1°F
Kewaunee55.4°F45°F68.9°F
Whitefish Bay55.6°F43.5°F69.4°F

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Lake Winnebago 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.

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