Letterkenny weather live forecast

Today's maximum temperature in Letterkenny is expected to be 9°C. Select a day from the live weather forecast for Letterkenny, Ireland for more weather parameters.

Wednesday
10th Dec
9

8

4

0
Thursday
11th Dec
9

6

0

0
Friday
12th Dec
7

2

3

0
Saturday
13th Dec
8

5

0

0
Sunday
14th Dec
8

7

0

0

5-day weather forecast updated at 04:04 on Monday 8th 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 Wednesday 10th December 2025

Expect sunshine and showers in Letterkenny, Ireland with a maximum temperature of 9°C and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 49% chance of some rain and a strong breeze of 40 kph from the south-west.

9
°C maximum temperature
8
°C minimum temperature
sunshine and showers
4
hours of sunshine
0
UV index (None)
49
% chance of some rain
<2
mm of rainfall expected
5
°C wind chill
40
kph wind from SW

Letterkenny weather for Thursday 11th December 2025

Expect cloudy with some rain in Letterkenny, Ireland with a maximum temperature of 9°C and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 76% chance of some rain and a fresh breeze of 38 kph from the south.

9
°C maximum temperature
6
°C minimum temperature
cloudy with some rain
0
hours of sunshine
0
UV index (None)
76
% chance of some rain
<20
mm of rainfall expected
4
°C wind chill
38
kph wind from S

Letterkenny weather for Friday 12th December 2025

Expect broken clouds in Letterkenny, Ireland with a maximum temperature of 7°C and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 36 kph from the south.

7
°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
36
kph wind from S

Letterkenny weather for Saturday 13th December 2025

Expect mostly cloudy with rain in Letterkenny, Ireland with a maximum temperature of 8°C and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 60% chance of some rain and a strong breeze of 40 kph from the south-west.

8
°C maximum temperature
5
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
0
UV index (None)
60
% chance of some rain
<10
mm of rainfall expected
4
°C wind chill
40
kph wind from SW

Letterkenny weather for Sunday 14th December 2025

Expect mostly cloudy with rain in Letterkenny, Ireland with a maximum temperature of 8°C and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 74% chance of some rain and a strong breeze of 46 kph from the south.