Where is Lake Geneva?

Lake Geneva is a lake in Wisconsin.

What is the water temperature at Lake Geneva?

As of August 22, 2026, the water temperature at Lake Geneva in Wisconsin is 74°F (23°C), measured by NOAA buoy 45187, 37.3 miles away.

Updated June 13, 2026

Lake Geneva

Lake

Comfortable for a swim today

Good to swim

Comfortable for a swim today: water temperature is 74°F, within the comfortable 70–86°F range.

Water temperature is 74°F, within the comfortable 70–86°F range.

See full conditions ↓Can I swim today? →

Good to swimGood conditions today

lake in Walworth County, Wisconsin, USA

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Comfortable for a swim today

Good to swim

Comfortable for a swim today: water temperature is 74°F, within the comfortable 70–86°F range.

Water temperature is 74°F, within the comfortable 70–86°F range. — NOAA buoy 45187, as of Aug 22, 7:10 AM UTC

Water temp

74°F

23°C

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

Live data from NOAA buoy 45187 (37.3 mi away), as of Aug 22, 7:10 AM UTC.

Live map near here →

Weather at Lake Geneva

H: 83° L: 62°

Clear

66°

Feels like 66°

Precipitation

Humidity

93%

Wind

7 mph

UV Index

Water Conditions:

🏊Cool but swimmable

12 AM

67°

3 AM

65°

6 AM

62°

9 AM

68°

12 PM

78°

3 PM

82°

6 PM

74°

9 PM

67°

Pack smarter for Lake Geneva

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 Lake Geneva?: Lake Geneva is a lake in Wisconsin.
What is the water temperature at Lake Geneva?: As of August 22, 2026, the water temperature at Lake Geneva in Wisconsin is 74°F (23°C), measured by NOAA buoy 45187, 37.3 miles away.
Can you swim at Lake Geneva?: Comfortable for a swim today: water temperature is 74°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

Wisconsin

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