Updated
Green Lake
Lake · Calumet City, Illinois
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 45198, as of Aug 22, 7:20 AM UTC
No official beach-advisory feed for Illinois yet — follow posted signs and local guidance.
Live data from NOAA buoy 45198 (20.1 mi away), as of Aug 22, 7:20 AM UTC.
Weather at Green Lake
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Frequently asked questions
- Where is Green Lake?
- Green Lake is a lake in Calumet City, Illinois.
- What is the water temperature at Green Lake?
- As of August 22, 2026, the water temperature at Green Lake in Calumet City, Illinois is 73°F (23°C), measured by NOAA buoy 45198, 20.1 miles away.
- Can you swim at Green Lake?
- Comfortable for a swim today: water temperature is 73°F, within the comfortable 70–86°F range. Checked August 22, 2026.
- How is Green Lake rated?
- Green Lake in Calumet City, Illinois has an average visitor rating of 3.3 out of 5, based on 4 reviews.
- What amenities does Green Lake have?
- Visitor-listed amenities at Green Lake include camping-nearby.
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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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