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Satellite view of Millsite Lake

Millsite Lake

Lake · Theresa, New York

Great conditions today

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Current water conditions

Water temp
74°F
23°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 ALXN6 (8.5 mi away), as of Aug 20, 10:48 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 Millsite Lake

H: 77° L: 55°
Sunny
Sunny
77°
|
Feels like 75°
Precipitation
8%
Humidity
41%
Wind
5 mph
UV Index
0.2
Water Conditions:
🏊Perfect for swimming
12 AM
Clear
63°
3 AM
Clear
60°
6 AM
Clear
55°
9 AM
Overcast
62°
12 PM
Overcast
72°
3 PM
Overcast
76°
6 PM
Overcast
74°
9 PM
Clear
65°

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Frequently asked questions

Where is Millsite Lake?
Millsite Lake is a lake in Theresa, New York.
What is the water temperature at Millsite Lake?
As of August 20, 2026, the water temperature at Millsite Lake in Theresa, New York is 74°F (23°C), measured by NOAA buoy ALXN6, 8.5 miles away.
Can you swim at Millsite Lake?
There is no fixed answer for Millsite Lake: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Millsite Lake in Theresa, New York. Check current water conditions before you go, and follow posted signs and local guidance.
How is Millsite Lake rated?
Millsite Lake in Theresa, New York has an average visitor rating of 4.9 out of 5, based on 14 reviews.

Visitor Reviews

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Best Times to Visit

Right Now
Perfect conditions right now!
🏞️ 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

Theresa, NY 13679

Theresa, New York 13679

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