It happened at a house in the Fairways estate at around 4:30am this morning.
He sustained a number of stab wounds and was taken to St Luke's Hospital.
Another male teenager was arrested at the scene in connection with the assault, and investigations are ongoing.
Wicklow Gardaí Urge Extreme Caution On Road Safety This Christmas
Wicklow Gardaí issues urgent warning to stay vigilant on roads this Christmas after a year of rising fatalities.
Wicklow Coastguard Urges Safety First for Christmas and New Year Dips
Wicklow RNLI urge Christmas and New Year swimmers to plan ahead, swim in groups, stay visible, acclimatize to cold water, and call 999/112 if in trouble, to keep festive dips safe and enjoyable.
Wicklow Commuters To Benefit As New DART Trains Set To Transform Coastal Commuting
100 new energy-efficient DART carriages have been ordered. The Department of Transport is funding the new carriages, which will fully replace the original fleet in service since the DART first began operating in 1984.
Shaping the Future of Newtownmountkennedy: A Town Team’s Vision for Growth and Community
The Town Team in Newtownmountkennedy is shaping one of Ireland’s fastest-growing towns with a community-led plan for vibrant streets, green spaces, and local services
North Wicklow GP Advice As Flu Season Hits Hard Locally
Wicklow is seeing a rise in flu cases as a North Wicklow based medic urges residents to get vaccinated, rest if unwell, and take precautions to protect themselves and their community.
Low-level cloud
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Low-level cloud
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High: 10°C | Low: 6°C
Low-level cloud
High: 10°C | Low: 6°C
Sunny intervals
High: 10°C | Low: 4°C
