Where is Lake Arnold?

Lake Arnold is a reservoir in New York.

What is the water temperature at Lake Arnold?

As of August 22, 2026, the water temperature at Lake Arnold in New York is 72°F (22°C), measured by NOAA buoy 45178, 42.4 miles away.

What amenities does Lake Arnold have?

Visitor-listed amenities at Lake Arnold include camping-nearby.

Updated June 13, 2026

Lake Arnold

Reservoir

Comfortable for a swim today

Good to swim

Comfortable for a swim today: water temperature is 72°F, within the comfortable 70–86°F range.

Water temperature is 72°F, within the comfortable 70–86°F range.

See full conditions ↓Can I swim today? →

Good to swimCool todaycamping-nearby

Interactive map not available

Comfortable for a swim today

Good to swim

Comfortable for a swim today: water temperature is 72°F, within the comfortable 70–86°F range.

Water temperature is 72°F, within the comfortable 70–86°F range. — NOAA buoy 45178, as of Aug 22, 2:00 PM UTC

Water temp

72°F

22°C

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

Live data from NOAA buoy 45178 (42.4 mi away), as of Aug 22, 2:00 PM UTC.

Live map near here →

Weather at Lake Arnold

H: 72° L: 55°

Sunny

64°

Feels like 61°

Precipitation

Humidity

53%

Wind

4 mph

UV Index

3.5

Water Conditions:

🥶Too cold for most swimmers

12 AM

57°

3 AM

56°

6 AM

55°

9 AM

62°

12 PM

68°

3 PM

70°

6 PM

72°

9 PM

63°

Pack smarter for Lake Arnold

Useful gear categories for this kind of water spot. These links open Amazon search results so you can compare current options.

As an Amazon Associate we earn from qualifying purchases.

Inflatable PaddleboardA popular way to explore calm coves and shorelines.

Compare on Amazon →

Life JacketImportant around boats, paddling, and deeper swimming areas.

Compare on Amazon →

Floating CoolerKeeps drinks nearby for swim areas, docks, and boats.

Compare on Amazon →

Waterproof Phone PouchProtects phones around docks, boats, and splashy shorelines.

Compare on Amazon →

Frequently asked questions

Where is Lake Arnold?: Lake Arnold is a reservoir in New York.
What is the water temperature at Lake Arnold?: As of August 22, 2026, the water temperature at Lake Arnold in New York is 72°F (22°C), measured by NOAA buoy 45178, 42.4 miles away.
Can you swim at Lake Arnold?: Comfortable for a swim today: water temperature is 72°F, within the comfortable 70–86°F range. Checked August 22, 2026.
What amenities does Lake Arnold have?: Visitor-listed amenities at Lake Arnold include camping-nearby.

Visitor Reviews

Be the first to share your experience here

Join our community to share your water adventures

Earn badges as you share your experiences!

💧 Droplet💦 Stream🌊 Wave💧 Current🌀 Tide🌊 Ocean

No reviews yet — share what you know

Been here? A quick note helps the next visitor plan their day. Handy things to mention:

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

New York

</> Embed this location on your site

Paste this snippet into your website to show a live badge for Lake Arnold — free to use with the included credit link.

<iframe src="https://thewateraroundus.com/embed/location/2713d57c-694e-45a2-8309-ee6dc7bf1923" width="400" height="150" style="border:0" title="Lake Arnold — The Water Around Us" loading="lazy"></iframe>