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Photo: Unmarked snowmobile trail by Andy Arthur (CC BY 2.0) License

Triangle Lake

Lake · Rensselaerville, New York

Good conditions today

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Current water conditions

Water temp
78°F
26°C
Comfortable for a swim today. The water's in a comfortable range. Still check depth, currents, and the forecast, and follow any posted advisories before getting in.

Live data from NOAA buoy CXHN6 (24.4 mi away), as of Aug 21, 3:30 PM UTC. Conditions are for general information only and can change quickly — always judge the water in person and follow posted advisories before swimming.

Weather at Triangle Lake

H: 73° L: 53°
Sunny
Sunny
68°
|
Feels like 66°
Precipitation
57%
Humidity
67%
Wind
7 mph
UV Index
7.1
Water Conditions:
🏊Cool but swimmable🧴High UV - use sunscreen
12 AM
Clear
55°
3 AM
Clear
54°
6 AM
Clear
53°
9 AM
Sunny
59°
12 PM
Sunny
68°
3 PM
Sunny
71°
6 PM
Sunny
68°
9 PM
Clear
63°

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Frequently asked questions

Where is Triangle Lake?
Triangle Lake is a lake in Rensselaerville, New York.
What is the water temperature at Triangle Lake?
As of August 21, 2026, the water temperature at Triangle Lake in Rensselaerville, New York is 78°F (26°C), measured by NOAA buoy CXHN6, 24.4 miles away.
Can you swim at Triangle Lake?
There is no fixed answer for Triangle Lake: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Triangle Lake in Rensselaerville, New York. Check current water conditions before you go, and follow posted signs and local guidance.
How is Triangle Lake rated?
Triangle Lake in Rensselaerville, New York has an average visitor rating of 5 out of 5, based on 4 reviews.

Visitor Reviews

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Best Times to Visit

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Good conditions for visiting
🏞️ 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

Rensselaerville, NY 12147

Rensselaerville, New York 12147

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