Letterkenny weather live forecast

Today's maximum temperature in Letterkenny is expected to be 4°C. Select a day from the live weather forecast for Letterkenny, Ireland for more weather parameters.

Friday
26th Dec
4

1

4

0
Saturday
27th Dec
3

0

6

0
Sunday
28th Dec
5

2

3

0
Monday
29th Dec
5

2

4

0
Tuesday
30th Dec
4

2

5

0

5-day weather forecast updated at 04:04 on Thursday 25th December 2025 GMT

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

Letterkenny weather forecast by day

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

Letterkenny weather for Friday 26th December 2025

Expect broken clouds in Letterkenny, Ireland with a maximum temperature of 4°C and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north-east.

4
°C maximum temperature
1
°C minimum temperature
broken clouds
4
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
2
°C wind chill
8
kph wind from NE

Letterkenny weather for Saturday 27th December 2025

Expect scattered clouds in Letterkenny, Ireland with a maximum temperature of 3°C and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north-east.

3
°C maximum temperature
0
°C minimum temperature
scattered clouds
6
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
0
°C wind chill
12
kph wind from NE

Letterkenny weather for Sunday 28th December 2025

Expect broken clouds in Letterkenny, Ireland with a maximum temperature of 5°C and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the east.

5
°C maximum temperature
2
°C minimum temperature
broken clouds
3
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
2
°C wind chill
11
kph wind from E

Letterkenny weather for Monday 29th December 2025

Expect broken clouds in Letterkenny, Ireland with a maximum temperature of 5°C and 4 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the north-east.

5
°C maximum temperature
2
°C minimum temperature
broken clouds
4
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
4
°C wind chill
5
kph wind from NE

Letterkenny weather for Tuesday 30th December 2025

Expect broken clouds in Letterkenny, Ireland with a maximum temperature of 4°C and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the west.