Castlebar weather live forecast

Today's maximum temperature in Castlebar is expected to be 18°C. Select a day from the live weather forecast for Castlebar, Ireland for more weather parameters.

5-day weather forecast updated at 04:03 on Wednesday 30th July 2025 GMT

More about Castlebar

Castlebar by month

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

Recommended for Ireland

KAYAK: Explore destinations from the UK

  • Explore top offers on direct flights from the UK
  • Filter destinations by price, trip type, flight time & more
  • Choose a destination to see cheapest fares & airlines
Go to KAYAK deal >>

View all KAYAK offers

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

Castlebar weather forecast by day

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

Castlebar weather for Wednesday 30th July 2025

Expect mostly cloudy with light rain in Castlebar, Ireland with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 38% chance of some rain and a moderate breeze of 23 kph from the west.

  • 18°C maximum temperature18
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 38% chance of some rain38
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 23 kph from the West23
    kph wind from W

Back to top

Castlebar weather for Thursday 31st July 2025

Expect broken clouds in Castlebar, Ireland with a maximum temperature of 17°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north-west.

  • 17°C maximum temperature17
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 19 kph from the North-West19
    kph wind from NW

Back to top

Castlebar weather for Friday 1st August 2025

Expect broken clouds in Castlebar, Ireland with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north-west.

  • 18°C maximum temperature18
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 18°C wind chill18
    °C wind chill
  • Gentle breeze of 15 kph from the North-West15
    kph wind from NW

Back to top

Castlebar weather for Saturday 2nd August 2025

Expect overcast skies in Castlebar, Ireland with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-west.

  • 19°C maximum temperature19
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Overcast skies
    overcast skies
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 16 kph from the South-West16
    kph wind from SW

Back to top

Castlebar weather for Sunday 3rd August 2025

Expect mostly cloudy with rain in Castlebar, Ireland with a maximum temperature of 17°C, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 46% chance of some rain and a moderate breeze of 26 kph from the west.

  • 17°C maximum temperature17
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 46% chance of some rain46
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 26 kph from the West26
    kph wind from W

Back to top

GoGroopie: Current travel deals worldwide

  • Save on beach holidays, city breaks & UK escapes
  • Browse latest travel deals from GoGroopie
  • Filter deals by destination or holiday type & more
Go to GoGroopie deal >>

View all GoGroopie offers

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

More about Ireland

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^