Updated
Lake Keesus
Lake · Merton, Wisconsin
Comfortable for a swim today
Good to swimComfortable for a swim today: water temperature is 73°F, within the comfortable 70–86°F range.
- Water temperature is 73°F, within the comfortable 70–86°F range.
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Comfortable for a swim today
Good to swimComfortable for a swim today: water temperature is 73°F, within the comfortable 70–86°F range.
- Water temperature is 73°F, within the comfortable 70–86°F range. — NOAA buoy 45013, as of Aug 22, 1:00 PM UTC
No official beach-advisory feed for Wisconsin yet — follow posted signs and local guidance.
Live data from NOAA buoy 45013 (24 mi away), as of Aug 22, 1:00 PM UTC.
Weather at Lake Keesus
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Frequently asked questions
- Where is Lake Keesus?
- Lake Keesus is a lake in Merton, Wisconsin.
- What is the water temperature at Lake Keesus?
- As of August 22, 2026, the water temperature at Lake Keesus in Merton, Wisconsin is 73°F (23°C), measured by NOAA buoy 45013, 24 miles away.
- Can you swim at Lake Keesus?
- Comfortable for a swim today: water temperature is 73°F, within the comfortable 70–86°F range. Checked August 22, 2026.
- How is Lake Keesus rated?
- Lake Keesus in Merton, Wisconsin has an average visitor rating of 4.8 out of 5, based on 33 reviews.
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- ›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
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