Great Lakes
Lake Michigan water temperature
Lake-average surface temperature 60.6 F (15.9 C) on Saturday, October 17, 2026.
- Lake Michigan lake-average surface water temperature is 60.6 F (15.9 C) as of , from NOAA GLERL's GLSEA analysis.
- That is 1.4 F cooler than a week earlier (62.0 F on ).
- On the same date last year Lake Michigan averaged 62.1 F.
- So far in 2026 the warmest day was 73.4 F on and the coldest 34.5 F on .
2026 (F)2025
Last 14 days
| Date | F | C |
|---|---|---|
| Oct 17 | 60.6 | 15.89 |
| Oct 16 | 61.1 | 16.19 |
| Oct 15 | 61.8 | 16.53 |
| Oct 14 | 62.0 | 16.69 |
| Oct 13 | 62.2 | 16.79 |
| Oct 12 | 62.2 | 16.78 |
| Oct 11 | 62.0 | 16.69 |
| Oct 10 | 62.0 | 16.68 |
| Oct 9 | 62.0 | 16.69 |
| Oct 8 | 62.2 | 16.78 |
| Oct 7 | 62.5 | 16.92 |
| Oct 6 | 62.7 | 17.06 |
| Oct 5 | 63.1 | 17.27 |
| Oct 4 | 63.4 | 17.46 |
Shore sensors and buoys near Lake Michigan
- MenomineeCO-OPS sensor · 60.4 F
- HollandCO-OPS sensor · 52.3 F
- Buoy 45210, Rawley Point East, WI59.5 F
- Buoy 45014, GB17 - South Green Bay, WI58.8 F
- Buoy 45013, ATW20 - Atwater Park, WI55.2 F
- Buoy MNMM4, 9087088 - Menominee, MI60.4 F
- Buoy 45183, Sleeping Bear Dunes57.9 F
- Buoy 45002, NORTH MICHIGAN- Halfway between North Manitou and Washington Islands.57.0 F
Source: NOAA GLERL Great Lakes Surface Environmental Analysis (GLSEA), daily lake-average surface temperature from satellite imagery. CSV of every day this year and last.