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Photo: DeForest Lake with a view north toward Haverstraw Beach, New City, New York, USA October, 2006 - panoramio by Gary Miotla (CC BY 3.0) License

DeForest Lake

Lake · Clarkstown, New York

Comfortable for a swim today

Good to swim

Comfortable for a swim today: water temperature is 76°F, within the comfortable 70–86°F range.

  • Water temperature is 76°F, within the comfortable 70–86°F range.
Good to swimGood conditions today

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Comfortable for a swim today

Good to swim

Comfortable for a swim today: water temperature is 76°F, within the comfortable 70–86°F range.

  • Water temperature is 76°F, within the comfortable 70–86°F range. NOAA buoy BATN6, as of Aug 22, 4:48 AM UTC
Water temp
76°F
24°C

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

Live data from NOAA buoy BATN6 (30.4 mi away), as of Aug 22, 4:48 AM UTC.

Weather at DeForest Lake

H: 74° L: 61°
Overcast
Overcast
71°
|
Feels like 76°
Precipitation
53%
Humidity
83%
Wind
2 mph
UV Index
0
Water Conditions:
🏊Cool but swimmable
12 AM
Overcast
71°
3 AM
Overcast
72°
6 AM
Overcast
71°
9 AM
Overcast
65°
12 PM
Overcast
70°
3 PM
Patchy rain nearby
71°
6 PM
Patchy rain nearby
70°
9 PM
Mist
64°

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Frequently asked questions

Where is DeForest Lake?
DeForest Lake is a lake in Clarkstown, New York.
What is the water temperature at DeForest Lake?
As of August 22, 2026, the water temperature at DeForest Lake in Clarkstown, New York is 76°F (24°C), measured by NOAA buoy BATN6, 30.4 miles away.
Can you swim at DeForest Lake?
Comfortable for a swim today: water temperature is 76°F, within the comfortable 70–86°F range. Checked August 22, 2026.
How is DeForest Lake rated?
DeForest Lake in Clarkstown, New York has an average visitor rating of 4.7 out of 5, based on 16 reviews.

Visitor Reviews

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🏞️ 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

Clarkstown, NY

Clarkstown, New York None

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