Portlaoise weather live forecast

Today's maximum temperature in Portlaoise is expected to be 15°C. Select a day from the live weather forecast for Portlaoise, Ireland for more weather parameters.

5-day weather forecast updated at 04:04 on Wednesday 1st October 2025 GMT

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

Portlaoise weather forecast by day

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

Portlaoise weather for Thursday 2nd October 2025

Expect mostly cloudy with rain in Portlaoise, Ireland with a maximum temperature of 15°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 94% chance of some rain and a fresh breeze of 37 kph from the south.

  • 15°C maximum temperature15
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 94% chance of some rain94
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 37 kph from the South37
    kph wind from S

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Portlaoise weather for Friday 3rd October 2025

Expect mostly cloudy with rain in Portlaoise, Ireland with a maximum temperature of 16°C and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 99% chance of some rain and a moderate gale of 52 kph from the south-west.

  • 16°C maximum temperature16
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 99% chance of some rain99
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate gale of 52 kph from the South-West52
    kph wind from SW

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Portlaoise weather for Saturday 4th October 2025

Expect broken clouds in Portlaoise, Ireland with a maximum temperature of 13°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 47 kph from the west.

  • 13°C maximum temperature13
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 13°C wind chill13
    °C wind chill
  • Strong breeze of 47 kph from the West47
    kph wind from W

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Portlaoise weather for Sunday 5th October 2025

Expect mostly cloudy with light rain in Portlaoise, Ireland with a maximum temperature of 14°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 33% chance of some rain and a fresh breeze of 30 kph from the west.

  • 14°C maximum temperature14
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 33% chance of some rain33
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 14°C wind chill14
    °C wind chill
  • Fresh breeze of 30 kph from the West30
    kph wind from W

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Portlaoise weather for Monday 6th October 2025

Expect mostly cloudy with light rain in Portlaoise, Ireland with a maximum temperature of 18°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 52% chance of some rain and a gentle breeze of 17 kph from the south-west.

  • 18°C maximum temperature18
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 52% chance of some rain52
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 18°C wind chill18
    °C wind chill
  • Gentle breeze of 17 kph from the South-West17
    kph wind from SW

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

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