Updated
Johnstown Lough
Lake
Cool today
Interactive map not available
Weather at Johnstown Lough
H: 61° L: 49°
Clear
50°
|
Feels like 46°
Precipitation
72%
Humidity
79%
Wind
8 mph
UV Index
0
Water Conditions:
🥶Too cold for most swimmers
12 AM
53°
3 AM
52°
6 AM
50°
9 AM
53°
12 PM
57°
3 PM
57°
6 PM
59°
9 PM
52°
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Inflatable PaddleboardA popular way to explore calm coves and shorelines.
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Compare on Amazon →Frequently asked questions
- Where is Johnstown Lough?
- Johnstown Lough is a lake in Leinster.
- Can you swim at Johnstown Lough?
- There is no fixed answer for Johnstown Lough: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Johnstown Lough in Leinster. Check current water conditions before you go, and follow posted signs and local guidance.
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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
Leinster
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