Dundalk weather live forecast

Today's maximum temperature in Dundalk is expected to be 19°C. Select a day from the live weather forecast for Dundalk, Ireland for more weather parameters.

5-day weather forecast updated at 04:04 on Wednesday 17th September 2025 GMT

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

Dundalk weather forecast by day

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

Dundalk weather for Thursday 18th September 2025

Expect isolated thunderstorms in Dundalk, Ireland with a maximum temperature of 19°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 68% chance of some rain and a gentle breeze of 17 kph from the south-west.

  • 19°C maximum temperature19
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 68% chance of some rain68
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 19°C wind chill19
    °C wind chill
  • Gentle breeze of 17 kph from the South-West17
    kph wind from SW

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Dundalk weather for Friday 19th September 2025

Expect mostly cloudy with light rain in Dundalk, Ireland with a maximum temperature of 17°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 53% chance of some rain and a gentle breeze of 16 kph from the south-west.

  • 17°C maximum temperature17
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 53% chance of some rain53
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 16 kph from the South-West16
    kph wind from SW

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Dundalk weather for Saturday 20th September 2025

Expect mostly cloudy with rain in Dundalk, Ireland with a maximum temperature of 15°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 60% chance of some rain and a light breeze of 9 kph from the north-east.

  • 15°C maximum temperature15
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 60% chance of some rain60
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 15°C wind chill15
    °C wind chill
  • Light breeze of 9 kph from the North-East9
    kph wind from NE

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Dundalk weather for Sunday 21st September 2025

Expect sunshine and showers in Dundalk, Ireland with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 26% chance of some rain and a moderate breeze of 26 kph from the north.

  • 13°C maximum temperature13
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 26% chance of some rain26
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 13°C wind chill13
    °C wind chill
  • Moderate breeze of 26 kph from the North26
    kph wind from N

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Dundalk weather for Monday 22nd September 2025

Expect sunshine and showers in Dundalk, Ireland with a maximum temperature of 12°C, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a light breeze of 11 kph from the north.

  • 12°C maximum temperature12
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 25% chance of some rain25
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 11 kph from the North11
    kph wind from N

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

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