Letterkenny weather live forecast

Today's maximum temperature in Letterkenny is expected to be 7°C. Select a day from the live weather forecast for Letterkenny, Ireland for more weather parameters.

Monday
15th Dec
7

4

4

0
Tuesday
16th Dec
6

3

4

0
Wednesday
17th Dec
11

4

4

0
Thursday
18th Dec
7

4

0

0
Friday
19th Dec
8

6

2

0

5-day weather forecast updated at 04:04 on Monday 15th 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 Monday 15th December 2025

Expect broken clouds in Letterkenny, Ireland with a maximum temperature of 7°C and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-west.

7
°C maximum temperature
4
°C minimum temperature
broken clouds
4
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
5
°C wind chill
13
kph wind from SW

Letterkenny weather for Tuesday 16th December 2025

Expect broken clouds in Letterkenny, Ireland with a maximum temperature of 6°C and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the south.

6
°C maximum temperature
3
°C minimum temperature
broken clouds
4
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
2
°C wind chill
29
kph wind from S

Letterkenny weather for Wednesday 17th December 2025

Expect sunshine and showers in Letterkenny, Ireland with a maximum temperature of 11°C and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 64% chance of some rain and a strong breeze of 39 kph from the south-west.

11
°C maximum temperature
4
°C minimum temperature
sunshine and showers
4
hours of sunshine
0
UV index (None)
64
% chance of some rain
<5
mm of rainfall expected
11
°C wind chill
39
kph wind from SW

Letterkenny weather for Thursday 18th December 2025

Expect cloudy with some rain in Letterkenny, Ireland with a maximum temperature of 7°C and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 70% chance of some rain and a moderate breeze of 24 kph from the south-west.

7
°C maximum temperature
4
°C minimum temperature
cloudy with some rain
0
hours of sunshine
0
UV index (None)
70
% chance of some rain
<10
mm of rainfall expected
3
°C wind chill
24
kph wind from SW

Letterkenny weather for Friday 19th December 2025

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 8°C and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 59% chance of some rain and a fresh breeze of 37 kph from the south-west.