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Photo: Vue du Lac Diane (View of Lake Diana (Lake Bonaparte), New York) by Charlotte Napoléone Bonaparte (CC0) License

Lake Bonaparte

Lake · Diana, New York

Comfortable for a swim today

Good to swim

Comfortable for a swim today: water temperature is 74°F, within the comfortable 70–86°F range.

  • Water temperature is 74°F, within the comfortable 70–86°F range.
Good to swimGreat conditions today

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Comfortable for a swim today

Good to swim

Comfortable for a swim today: water temperature is 74°F, within the comfortable 70–86°F range.

  • Water temperature is 74°F, within the comfortable 70–86°F range. NOAA buoy ALXN6, as of Aug 21, 6:18 PM UTC
Water temp
74°F
23°C

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

Live data from NOAA buoy ALXN6 (29.3 mi away), as of Aug 21, 6:18 PM UTC.

Weather at Lake Bonaparte

H: 77° L: 50°
Sunny
Sunny
76°
|
Feels like 74°
Precipitation
6%
Humidity
35%
Wind
3 mph
UV Index
5.2
Water Conditions:
🏊Perfect for swimming🧴High UV - use sunscreen
12 AM
Clear
54°
3 AM
Clear
51°
6 AM
Clear
50°
9 AM
Overcast
61°
12 PM
Sunny
73°
3 PM
Sunny
76°
6 PM
Partly Cloudy
72°
9 PM
Clear
61°

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Frequently asked questions

Where is Lake Bonaparte?
Lake Bonaparte is a lake in Diana, New York.
What is the water temperature at Lake Bonaparte?
As of August 21, 2026, the water temperature at Lake Bonaparte in Diana, New York is 74°F (23°C), measured by NOAA buoy ALXN6, 29.3 miles away.
Can you swim at Lake Bonaparte?
Comfortable for a swim today: water temperature is 74°F, within the comfortable 70–86°F range. Checked August 21, 2026.
How is Lake Bonaparte rated?
Lake Bonaparte in Diana, New York has an average visitor rating of 4.8 out of 5, based on 22 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

Diana, NY 13648

Diana, New York 13648

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