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Photo: Jamesville-Reservoir-2014-Nov by DASonnenfeld (CC BY-SA 4.0) License

Jamesville Lake

Park · Jamesville, New York

Rainy today

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Current water conditions

Water temp
75°F
24°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 45215 (42.9 mi away), as of Aug 21, 4:56 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 Jamesville Lake

H: 84° L: 54°
Patchy rain nearby
Patchy rain nearby
83°
|
Feels like 80°
Precipitation
17%
Humidity
32%
Wind
5 mph
UV Index
7.3
Water Conditions:
🏊Perfect for swimming🧴High UV - use sunscreen🌧️Rain expected
12 AM
Clear
56°
3 AM
Fog
57°
6 AM
Fog
57°
9 AM
Patchy rain nearby
62°
12 PM
Patchy rain nearby
76°
3 PM
Sunny
75°
6 PM
Sunny
74°
9 PM
Clear
62°

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Frequently asked questions

Where is Jamesville Lake?
Jamesville Lake is a park in Jamesville, New York.
What is the water temperature at Jamesville Lake?
As of August 21, 2026, the water temperature at Jamesville Lake in Jamesville, New York is 75°F (24°C), measured by NOAA buoy 45215, 42.9 miles away.
Can you swim at Jamesville Lake?
There is no fixed answer for Jamesville Lake: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Jamesville Lake in Jamesville, New York. Check current water conditions before you go, and follow posted signs and local guidance.
How is Jamesville Lake rated?
Jamesville Lake in Jamesville, New York has an average visitor rating of 4.9 out of 5, based on 13 reviews.

Visitor Reviews

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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
Not ideal for outdoor activities today
General Tips:
  • Weekday mornings (8–10 AM) are typically less crowded
  • Check the forecast 2–3 days ahead for best planning
  • Avoid holiday weekends for a quieter experience
Best Seasons:
☀️ Summer (Jun-Aug)🍂 Fall (Sep-Nov)🌸 Spring (Mar-May)

Location & Contact

6877 County Garage Rd, Jamesville, NY 13078

Jamesville, New York 13078

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Family & Children

👶 Good for kids