Lake Michigan water temperature

Lake Michigan, Michigan City Buoy, IN · Lake

The current water temperature at Lake Michigan is 22.8 °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.

22.8 °C

Measured: August 31, 2026 · continuously updated

💧 Water 22.8° · ☀️ Air 28.1° · high today 30.5°

Temperature trend of recent weeks

Lake Michigan — Photo: Diego Delso · CC BY-SA 3.0 · Wikimedia Commons

Measurement series & statistics

This measurement series includes 1336 data points since July 3, 2026.

Lowest recorded value: 19.9 °C on August 2, 2026 · highest value: 26.6 °C on July 16, 2026.

Nearby waters

Lake Michigan, Michigan City · 5.9 km away23.6 °C Trail Creek at Michigan City, Indiana · 6.3 km away20.1 °C Deep River near Liverpool, Indiana · 33.6 km away25.8 °C Kankakee Well Field DP-1 near Hanna, Indiana · 39.5 km away12.4 °C Kankakee Well Field SH-1 near Hanna, Indiana · 39.5 km away16.1 °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 Wilmette Buoy, IL22.8 °C

Frequently asked questions

Can you swim at Lake Michigan right now?
The current water temperature is 22.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Lake Michigan?
Currently 22.8 °C (updated continuously).

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