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Satellite view of Green Lake

Green Lake

Lake

Cool water — ease in carefully

Use caution

Cool water — ease in carefully: water temperature is 68°F, cool enough to cause cold-water shock on a sudden entry.

  • Water temperature is 68°F, cool enough to cause cold-water shock on a sudden entry.
Use cautionCool todaycamping-nearby

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Cool water — ease in carefully

Use caution

Cool water — ease in carefully: water temperature is 68°F, cool enough to cause cold-water shock on a sudden entry.

  • Water temperature is 68°F, cool enough to cause cold-water shock on a sudden entry. NOAA buoy MNMM4, as of Aug 22, 7:18 AM UTC
Water temp
68°F
20°C

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

Live data from NOAA buoy MNMM4 (42 mi away), as of Aug 22, 7:18 AM UTC.

Weather at Green Lake

H: 76° L: 57°
Overcast
Overcast
57°
|
Feels like 56°
Precipitation
5%
Humidity
89%
Wind
6 mph
UV Index
0
Water Conditions:
🥶Too cold for most swimmers
12 AM
Clear
60°
3 AM
Overcast
57°
6 AM
Clear
57°
9 AM
Sunny
65°
12 PM
Sunny
73°
3 PM
Sunny
76°
6 PM
Sunny
70°
9 PM
Clear
62°

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Frequently asked questions

Where is Green Lake?
Green Lake is a lake in Wisconsin.
What is the water temperature at Green Lake?
As of August 22, 2026, the water temperature at Green Lake in Wisconsin is 68°F (20°C), measured by NOAA buoy MNMM4, 42 miles away.
Can you swim at Green Lake?
Cool water — ease in carefully: water temperature is 68°F, cool enough to cause cold-water shock on a sudden entry. Checked August 22, 2026.
What amenities does Green Lake have?
Visitor-listed amenities at Green Lake include camping-nearby.

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Water temperatureCrowds & parkingBest time to goSafety & access

Best Times to Visit

🧥
Right Now
Cool weather - dress warmly
🏞️ 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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Amenities

Camping nearby