Donegal weather live forecast

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

5-day weather forecast updated at 04:01 on Saturday 23rd August 2025 GMT

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

Donegal weather forecast by day

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

Donegal weather for Saturday 23rd August 2025

Expect mostly cloudy with light rain in Donegal, Ireland with a maximum temperature of 19°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 73% chance of some rain and a gentle breeze of 13 kph from the west.

  • 19°C maximum temperature19
    °C maximum temperature
  • 17°C minimum temperature17
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 73% chance of some rain73
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 13 kph from the West13
    kph wind from W

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Donegal weather for Sunday 24th August 2025

Expect mostly cloudy with light rain in Donegal, Ireland with a maximum temperature of 21°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 14% chance of some rain and a gentle breeze of 19 kph from the south.

  • 21°C maximum temperature21
    °C maximum temperature
  • 18°C minimum temperature18
    °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)
  • 14% chance of some rain14
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 19 kph from the South19
    kph wind from S

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Donegal weather for Monday 25th August 2025

Expect mostly cloudy with light rain in Donegal, Ireland with a maximum temperature of 23°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 73% chance of some rain and a fresh breeze of 32 kph from the south.

  • 23°C maximum temperature23
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 73% chance of some rain73
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 32 kph from the South32
    kph wind from S

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Donegal weather for Tuesday 26th August 2025

Expect mostly cloudy with light rain in Donegal, Ireland with a maximum temperature of 17°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 84% chance of some rain and a moderate breeze of 27 kph from the south-west.

  • 17°C maximum temperature17
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 84% chance of some rain84
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 27 kph from the South-West27
    kph wind from SW

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Donegal weather for Wednesday 27th August 2025

Expect mostly cloudy with rain in Donegal, Ireland with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 73% chance of some rain and a moderate breeze of 26 kph from the south.

  • 18°C maximum temperature18
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 73% chance of some rain73
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 18°C wind chill18
    °C wind chill
  • Moderate breeze of 26 kph from the South26
    kph wind from S

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

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