Lake Michigan water temperature

Lake Michigan, Cook Nuclear Plant Buoy, Stevensville, M · Lake

The current water temperature at Lake Michigan is 22.2 °C (as of August 31, 2026, source: NOAA NDBC).

Lakes stratify in summer: bathing-warm on top, markedly colder a few metres down. Measurements are taken at the surface — right where you swim.

22.2 °C

Measured: August 31, 2026 · continuously updated

💧 Water 22.2° · ☀️ Air 27.6° · high today 29.2°

Temperature trend of recent weeks

Measurement series & statistics

This measurement series includes 1398 data points since July 3, 2026.

Lowest recorded value: 12.1 °C on August 3, 2026 · highest value: 26.6 °C on July 16, 2026.

Nearby waters

St. Joseph River at Niles, Michigan · 29.9 km away23.2 °C Trail Creek at Michigan City, Indiana · 36.4 km away20.1 °C Lake Michigan, Michigan City · 40.2 km away23.6 °C Lake Michigan, Michigan City Buoy, IN · 41.3 km away22.8 °C Osborn Drain at Dewey Lake St near Glenwood, Michigan · 42.8 km away18.6 °C

More measuring points: Lake Michigan

South Green Bay, WI24.0 °C Ohio Street Beach23.8 °C Michigan City23.6 °C Chicago Buoy23.0 °C Southern Lake Michigan Spotter23.0 °C Michigan City Buoy, IN22.8 °C

Frequently asked questions

Can you swim at Lake Michigan right now?
The current water temperature is 22.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Lake Michigan?
Currently 22.2 °C (updated continuously).

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