Water temperature in Mille Lacs Lake (MN) in October

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Is it warm enough to swim in Mille Lacs Lake in October? Average water temperature in Mille Lacs Lake in October is 54.3°F and therefore is not suitable for comfortable swimming. The warmest water in Mille Lacs Lake in October is 67.1°F, and the coldest is 45°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Mille Lacs Lake

Changes water temperature in Mille Lacs Lake in October 2025, 2024

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

Sea temperature

Tides

Sunrise and Sunset

You can choose any other years:

Day	2025	2024	Min	Max
October 1	65.1°F	67.1°F	58.3°F	67.1°F
October 2	66°F	65.5°F	58.1°F	66°F
October 3	66.2°F	63.9°F	57.9°F	66.2°F
October 4	66.4°F	62.2°F	57.9°F	66.4°F
October 5	66.2°F	62.2°F	57°F	66.2°F
October 6	65.5°F	61.2°F	55.9°F	65.5°F
October 7	64.2°F	60.4°F	54.7°F	64.2°F
October 8	63.5°F	59.5°F	54°F	63.5°F
October 9	62.4°F	59.4°F	53.1°F	63.9°F
October 10	61.5°F	58.8°F	52.7°F	63.3°F
October 11	61°F	59.5°F	51.8°F	62.1°F
October 12	60.3°F	59°F	51.8°F	61.3°F
October 13	60.1°F	58.5°F	51.8°F	61.2°F
October 14	59.4°F	57.4°F	51.6°F	60.4°F
October 15	58.6°F	56.3°F	51.3°F	58.6°F

Day	2024	Min	Max
October 16	55.2°F	50.9°F	57.2°F
October 17	55°F	50.9°F	57.4°F
October 18	53.6°F	50.7°F	56.8°F
October 19	53.6°F	50°F	57.2°F
October 20	54.1°F	49.6°F	56.1°F
October 21	54°F	49.1°F	56.1°F
October 22	53.2°F	48.4°F	55.9°F
October 23	54.7°F	48°F	54.7°F
October 24	53.8°F	46°F	54°F
October 25	53.4°F	45.7°F	53.4°F
October 26	52.5°F	45.7°F	53.1°F
October 27	51.8°F	45.5°F	52.3°F
October 28	51.1°F	45.3°F	51.6°F
October 29	50°F	45.1°F	51.8°F
October 30	49.5°F	45°F	50.7°F
October 31	51.8°F	46°F	51.8°F

Mille Lacs Lake water temp chart in October

Average water temperature in Mille Lacs Lake in October over a decade

2015	2016	2017	2018	2019
54.5°F	53.6°F	55.6°F	53.4°F	52.5°F

2020	2021	2022	2023	2024
53.1°F	58.3°F	54.1°F	56.5°F	56.7°F

Mille Lacs Lake water temperature during other months:

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

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

	Avr	Min	Max
Duluth	52.7°F	41.4°F	64.9°F
Park Point	52.7°F	41.4°F	64.9°F
French River	52.5°F	43.3°F	63.7°F
Knife River	52.2°F	43.3°F	62.8°F
Two Harbors	51.4°F	43°F	62.4°F
Port Wing	52.2°F	43.3°F	64.6°F
Herbster	51.8°F	43.3°F	64.6°F
Cornucopia	52°F	43.7°F	64.8°F
Beaver Bay	50.4°F	42.1°F	62.2°F
Ashland	53.2°F	45.9°F	64.6°F

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Our report for Mille Lacs Lake 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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Date (day and month)

Water temperature: min 60°F

Average temperature Maximum temperature