Updated
Lough Conn (Irish: Loch Con, meaning 'lake of the hound') is a lake in County Mayo, Ireland. With an area of about 48 square kilometres (19 sq mi), it is Ireland's seventh largest lake. With its immediate neighbour to the south, Lough Cullin, it is connected to the Atlantic Ocean by the River Moy.
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Weather at Lough Conn
50°F, Patchy rain nearby · H 50° / L 41° · 78% chance of rain3-day forecast
H: 50° L: 41°
Patchy rain nearby

50°
|
Feels like 44°
Precipitation
78%
Humidity
67%
Wind
14 mph
UV Index
1.1
Weather notes:
🌧️Rain expected
12 AM

46°
3 AM

44°
6 AM

45°
9 AM

45°
12 PM

50°
3 PM

50°
6 PM

44°
9 PM

41°
Frequently asked questions
- Where is Lough Conn?
- Lough Conn is a lake in Connacht.
- Can you swim at Lough Conn?
- There is no fixed answer for Lough Conn: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Lough Conn in Connacht. Check current water conditions before you go, and follow posted signs and local guidance.
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Location & Contact
Connacht
🏞️ Best times & visiting 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
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