Where is Duncan Lake?

Duncan Lake is a lake in Michigan.

What is the water temperature at Duncan Lake?

As of August 22, 2026, the water temperature at Duncan Lake in Michigan is 72°F (22°C), measured by NOAA buoy HLNM4, 34.5 miles away.

Updated June 13, 2026

Duncan Lake

Lake

Comfortable for a swim today

Good to swim

Comfortable for a swim today: water temperature is 72°F, within the comfortable 70–86°F range.

Water temperature is 72°F, within the comfortable 70–86°F range.

See full conditions ↓Can I swim today? →

Good to swimGood conditions today

lake in Barry County, Michigan, United States of America

Interactive map not available

Comfortable for a swim today

Good to swim

Comfortable for a swim today: water temperature is 72°F, within the comfortable 70–86°F range.

Water temperature is 72°F, within the comfortable 70–86°F range. — NOAA buoy HLNM4, as of Aug 22, 1:48 AM UTC

Water temp

72°F

22°C

No official beach-advisory feed for Michigan yet — follow posted signs and local guidance.

Live data from NOAA buoy HLNM4 (34.5 mi away), as of Aug 22, 1:48 AM UTC.

Live map near here →

Weather at Duncan Lake

H: 83° L: 60°

Clear

70°

Feels like 71°

Precipitation

Humidity

71%

Wind

5 mph

UV Index

Water Conditions:

🏊Cool but swimmable

12 AM

64°

3 AM

61°

6 AM

60°

9 AM

68°

12 PM

83°

3 PM

82°

6 PM

81°

9 PM

73°

Pack smarter for Duncan Lake

Useful gear categories for this kind of water spot. These links open Amazon search results so you can compare current options.

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Inflatable PaddleboardA popular way to explore calm coves and shorelines.

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Life JacketImportant around boats, paddling, and deeper swimming areas.

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Floating CoolerKeeps drinks nearby for swim areas, docks, and boats.

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Waterproof Phone PouchProtects phones around docks, boats, and splashy shorelines.

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Frequently asked questions

Where is Duncan Lake?: Duncan Lake is a lake in Michigan.
What is the water temperature at Duncan Lake?: As of August 22, 2026, the water temperature at Duncan Lake in Michigan is 72°F (22°C), measured by NOAA buoy HLNM4, 34.5 miles away.
Can you swim at Duncan Lake?: Comfortable for a swim today: water temperature is 72°F, within the comfortable 70–86°F range. Checked August 22, 2026.

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🏞️ Lakes Tips:

›Check for boat launch facilities and fees
›Obtain required fishing licenses before arrival
›Be aware of lake-specific regulations and restrictions
›Monitor water quality reports before swimming

Best Seasons:

☀️ Summer (Jun-Aug)🍂 Fall (Sep-Nov)🌸 Spring (Mar-May)

Location & Contact

Michigan

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