Donegal weather live forecast

Today's maximum temperature in Donegal is expected to be 17°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 Sunday 7th September 2025 GMT

More about Donegal

Donegal by month

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

Recommended for Ireland

Rural Retreats: Late availability on holiday cottages

  • Explore last minute deals on holiday cottages
  • Save on UK & Ireland holidays with late deals
  • Narrow search by selecting holiday preferences
Go to Rural Retreats deal >>

View all Rural Retreats offers

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 Sunday 7th September 2025

Expect mostly cloudy with light rain in Donegal, Ireland with a maximum temperature of 17°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 44% chance of some rain and a fresh breeze of 33 kph from the south-west.

  • 17°C maximum temperature17
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 44% chance of some rain44
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 33 kph from the South-West33
    kph wind from SW

Back to top

Donegal weather for Monday 8th September 2025

Expect mostly cloudy with light rain in Donegal, Ireland with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 67% chance of some rain and a moderate breeze of 25 kph from the south-west.

  • 14°C maximum temperature14
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 67% chance of some rain67
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 25 kph from the South-West25
    kph wind from SW

Back to top

Donegal weather for Tuesday 9th September 2025

Expect mostly cloudy with light rain in Donegal, Ireland with a maximum temperature of 16°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 59% chance of some rain and a moderate breeze of 24 kph from the south-east.

  • 16°C maximum temperature16
    °C maximum temperature
  • 9°C minimum temperature9
    °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)
  • 59% chance of some rain59
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 16°C wind chill16
    °C wind chill
  • Moderate breeze of 24 kph from the South-East24
    kph wind from SE

Back to top

Donegal weather for Wednesday 10th September 2025

Expect mostly cloudy with rain in Donegal, Ireland with a maximum temperature of 14°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 90% chance of some rain and a moderate breeze of 25 kph from the west.

  • 14°C maximum temperature14
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 90% chance of some rain90
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 25 kph from the West25
    kph wind from W

Back to top

Donegal weather for Thursday 11th September 2025

Expect mostly cloudy with rain in Donegal, Ireland with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 96% chance of some rain and a gentle breeze of 19 kph from the south-west.

  • 13°C maximum temperature13
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 96% chance of some rain96
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 13°C wind chill13
    °C wind chill
  • Gentle breeze of 19 kph from the South-West19
    kph wind from SW

Back to top

Cosmos: Tour deal finder - low prices

  • Explore best prices on Cosmos tours worldwide
  • Find deals on tour holidays in 2025/2026
  • Filter by price, destination, duration & more
Go to Cosmos deal >>

View all Cosmos offers

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

Back to top

More about Ireland

Related posts

Popular travel offers

Explore holiday destinations

More holidays

Save with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^