Castletownbere weather live forecast

Today's maximum temperature in Castletownbere is expected to be 45°F. Select a day from the live weather forecast for Castletownbere, Ireland for more weather parameters.

• Thursday
  4th Dec
  45
  43
  
  3
  0
• Friday
  5th Dec
  52
  45
  
  0
  0
• Saturday
  6th Dec
  50
  48
  
  3
  0
• Sunday
  7th Dec
  52
  50
  
  1
  0
• Monday
  8th Dec
  54
  50
  
  2
  0

5-day weather forecast updated at 04:04 on Thursday 4th December 2025 GMT

More about Castletownbere

• 
  Best time to visit
• 
  Weather by month
• 
  Destinations
• 
  Travel guide
• 
  Deals & discounts

Castletownbere by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Ireland

• Fred Olsen^*
• Cosmos^*
• Love Holidays^*
• Caledonian Travel^*

Fred Olsen: Top cruise offers for 2026/2027

Sale

• Explore latest offers on Fred Olsen Cruises in 2026/2027
• Find last minute deals or early bird discounts
• Filter offers by price, destination, ship & departure point

Go to Fred Olsen deal >>

View all Fred Olsen offers

The 5-day weather forecast for Ireland (Castletownbere) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Castletownbere weather forecast by day

Below are the detailed weather forecasts for Castletownbere for the next 5 days.

Castletownbere weather for Thursday 4th December 2025

Expect mostly cloudy with rain in Castletownbere, Ireland with a maximum temperature of 45°F and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 53% chance of some rain and a fresh breeze of 20 mph from the west.

• 45
  °F maximum temperature
• 43
  °F minimum temperature
• 
  mostly cloudy with rain
• 3
  hours of sunshine
• 0
  UV index (None)
• 53
  % chance of some rain
• <10
  mm of rainfall expected
• 37
  °F wind chill
• 20
  mph wind from W

Back to top

Castletownbere weather for Friday 5th December 2025

Expect cloudy with some rain in Castletownbere, Ireland with a maximum temperature of 52°F and no hours of bright sunshine. There are 30-40 mm of rainfall expected with 94% chance of some rain and a strong breeze of 28 mph from the south-west.

• 52
  °F maximum temperature
• 45
  °F minimum temperature
• 
  cloudy with some rain
• 0
  hours of sunshine
• 0
  UV index (None)
• 94
  % chance of some rain
• <40
  mm of rainfall expected
• 52
  °F wind chill
• 28
  mph wind from SW

Back to top

Castletownbere weather for Saturday 6th December 2025

Expect isolated thunderstorms in Castletownbere, Ireland with a maximum temperature of 50°F and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 87% chance of some rain and a strong breeze of 32 mph from the west.

• 50
  °F maximum temperature
• 48
  °F minimum temperature
• 
  isolated thunderstorms
• 3
  hours of sunshine
• 0
  UV index (None)
• 87
  % chance of some rain
• <20
  mm of rainfall expected
• 0
  no heat & humidity
• 32
  mph wind from W

Back to top

Castletownbere weather for Sunday 7th December 2025

Expect mostly cloudy with rain in Castletownbere, Ireland with a maximum temperature of 52°F and 1 hour of bright sunshine. There are 20-30 mm of rainfall expected with 73% chance of some rain and a fresh breeze of 18 mph from the south-west.

• 52
  °F maximum temperature
• 50
  °F minimum temperature
• 
  mostly cloudy with rain
• 1
  hour of sunshine
• 0
  UV index (None)
• 73
  % chance of some rain
• <30
  mm of rainfall expected
• 52
  °F wind chill
• 18
  mph wind from SW

Back to top

Castletownbere weather for Monday 8th December 2025

Expect mostly cloudy with rain in Castletownbere, Ireland with a maximum temperature of 54°F and 2 hours of bright sunshine. There are 20-30 mm of rainfall expected with 88% chance of some rain and a fresh breeze of 20 mph from the south-west.

• 54
  °F maximum temperature
• 50
  °F minimum temperature
• 
  mostly cloudy with rain
• 2
  hours of sunshine
• 0
  UV index (None)
• 88
  % chance of some rain
• <30
  mm of rainfall expected
• 0
  no heat & humidity
• 20
  mph wind from SW

Back to top

Fred Olsen: Top cruise offers for 2026/2027

Sale

• Explore latest offers on Fred Olsen Cruises in 2026/2027
• Find last minute deals or early bird discounts
• Filter offers by price, destination, ship & departure point

Go to Fred Olsen deal >>

View all Fred Olsen offers

Metric (°C)  |  Imperial (°F)

Back to top

More about Ireland

Related posts

Popular travel offers

Explore holiday destinations

• Beach holidays
• City breaks
• Family holidays
• Half term holidays
• Spring holidays
• Summer holidays
• Autumn holidays
• Winter sun holidays
• Honeymoons
• Coolcations
• Compare places
• Ski resorts

More holidays

Save with latest deals & discounts

• Holiday offers
• Top travel brands
• Airlines & flights
• Discount hotels
• TUI
• Jet2holidays
• Neilson
• Marella Cruises
• Pierre & Vacances
• Caledonian Travel
• Club Med
• Black Friday sales

More deals

Airport parking

• Manchester Airport
• Stansted Airport
• Bristol Airport
• Luton Airport
• Birmingham Airport
• Edinburgh Airport
• Gatwick Airport
• Glasgow Airport
• Newcastle Airport

More parking

Airport lounges

• Manchester Airport
• Birmingham Airport
• Bristol Airport
• Edinburgh Airport
• Glasgow Airport
• Heathrow Airport
• Newcastle Airport
• Stansted Airport
• Gatwick Airport

More lounges

Top ^