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.

Wednesday
29th Jul
17

12

4

3
Thursday
30th Jul
16

11

6

4
Friday
31st Jul
15

11

3

3
Saturday
1st Aug
16

11

6

4
Sunday
2nd Aug
17

10

0

4

5-day weather forecast updated at 04:01 on Wednesday 29th July 2026 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 Wednesday 29th July 2026

Expect mostly cloudy with rain in Donegal, Ireland with a maximum temperature of 17°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 66% chance of some rain and a gentle breeze of 17 kph from the west.

17
°C maximum temperature
12
°C minimum temperature
mostly cloudy with rain
4
hours of sunshine
3
UV index (Moderate)
66
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
17
kph wind from W

Donegal weather for Thursday 30th July 2026

Expect broken clouds in Donegal, Ireland with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the west.

16
°C maximum temperature
11
°C minimum temperature
broken clouds
6
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
16
°C wind chill
21
kph wind from W

Donegal weather for Friday 31st July 2026

Expect mostly cloudy with light rain in Donegal, Ireland with a maximum temperature of 15°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 74% chance of some rain and a fresh breeze of 29 kph from the west.

15
°C maximum temperature
11
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
3
UV index (Moderate)
74
% chance of some rain
<5
mm of rainfall expected
15
°C wind chill
29
kph wind from W

Donegal weather for Saturday 1st August 2026

16
°C maximum temperature
11
°C minimum temperature
broken clouds
6
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
20
kph wind from W

Donegal weather for Sunday 2nd August 2026

Expect mostly cloudy with light rain in Donegal, Ireland with a maximum temperature of 17°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 46% chance of some rain and a light breeze of 8 kph from the north-east.