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Satellite view of Grass Lake

Grass 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.
Good to swimRainy todaycamping-nearby

lake in Otsego County, Michigan, USA

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 45022, as of Aug 21, 11:00 PM 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 45022 (34 mi away), as of Aug 21, 11:00 PM UTC.

Weather at Grass Lake

H: 76° L: 57°
Patchy rain nearby
Patchy rain nearby
67°
|
Feels like 67°
Precipitation
24%
Humidity
75%
Wind
6 mph
UV Index
0
Water Conditions:
🏊Cool but swimmable🌧️Rain expected
12 AM
Clear
60°
3 AM
Cloudy
57°
6 AM
Overcast
59°
9 AM
Cloudy
66°
12 PM
Patchy rain nearby
67°
3 PM
Overcast
76°
6 PM
Patchy rain nearby
75°
9 PM
Patchy rain nearby
67°

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Frequently asked questions

Where is Grass Lake?
Grass Lake is a lake in Michigan.
What is the water temperature at Grass Lake?
As of August 21, 2026, the water temperature at Grass Lake in Michigan is 72°F (22°C), measured by NOAA buoy 45022, 34 miles away.
Can you swim at Grass Lake?
Comfortable for a swim today: water temperature is 72°F, within the comfortable 70–86°F range. Checked August 21, 2026.
What amenities does Grass Lake have?
Visitor-listed amenities at Grass Lake include camping-nearby.

Visitor Reviews

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Best Times to Visit

🌧️
Right Now
Not ideal for outdoor activities today
🏞️ 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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Amenities

Camping nearby