Portlaoise weather live forecast

Today's maximum temperature in Portlaoise is expected to be 25°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 Friday 15th August 2025 GMT

More about Portlaoise

Portlaoise by month

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

Recommended for Ireland

Auto Europe: Guranteed best rates on car rentals

  • Book car hire with the best rate gurantee
  • Find a cheaper rate Auto Europe will beat it
  • Browse car rentals across the USA & beyond
Go to Auto Europe deal >>

View all Auto Europe offers

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 Saturday 16th August 2025

Expect broken clouds in Portlaoise, Ireland with a maximum temperature of 25°C, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the north-east.

  • 25°C maximum temperature25
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 21 kph from the North-East21
    kph wind from NE

Back to top

Portlaoise weather for Sunday 17th August 2025

Expect broken clouds in Portlaoise, Ireland with a maximum temperature of 25°C, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the south-east.

  • 25°C maximum temperature25
    °C maximum temperature
  • 17°C minimum temperature17
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 25°C wind chill25
    °C wind chill
  • Moderate breeze of 26 kph from the South-East26
    kph wind from SE

Back to top

Portlaoise weather for Monday 18th August 2025

Expect isolated thunderstorms in Portlaoise, Ireland with a maximum temperature of 23°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 47% chance of some rain and a light breeze of 12 kph from the south-east.

  • 23°C maximum temperature23
    °C maximum temperature
  • 17°C minimum temperature17
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 47% chance of some rain47
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 23°C wind chill23
    °C wind chill
  • Light breeze of 12 kph from the South-East12
    kph wind from SE

Back to top

Portlaoise weather for Tuesday 19th August 2025

Expect broken clouds in Portlaoise, Ireland with a maximum temperature of 24°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the east.

  • 24°C maximum temperature24
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    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 13 kph from the East13
    kph wind from E

Back to top

Portlaoise weather for Wednesday 20th August 2025

Expect mostly cloudy with light rain in Portlaoise, Ireland with a maximum temperature of 23°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 33% chance of some rain and a gentle breeze of 13 kph from the north-east.

  • 23°C maximum temperature23
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 33% chance of some rain33
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 13 kph from the North-East13
    kph wind from NE

Back to top

Rural Retreats: Special offers on cottage holidays

  • Save on holiday cottages in the UK & Ireland
  • Browse latest special offers on hand-picked cottages
  • Filter offers by facilities, activities & location
Go to Rural Retreats deal >>

View all Rural Retreats 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 ^