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
9th Jan
4

0

3

0
Saturday
10th Jan
5

0

3

0
Sunday
11th Jan
9

4

0

0
Monday
12th Jan
9

6

3

0
Tuesday
13th Jan
8

5

1

0

5-day weather forecast updated at 04:04 on Friday 9th January 2026 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 9th January 2026

Expect sunshine and showers in Letterkenny, Ireland with a maximum temperature of 4°C and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 31% chance of some rain and a light breeze of 10 kph from the west.

4
°C maximum temperature
0
°C minimum temperature
sunshine and showers
3
hours of sunshine
0
UV index (None)
31
% chance of some rain
<2
mm of rainfall expected
2
°C wind chill
10
kph wind from W

Letterkenny weather for Saturday 10th January 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 5°C and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 60% chance of some rain and a moderate breeze of 21 kph from the south.

5
°C maximum temperature
0
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
0
UV index (None)
60
% chance of some rain
<5
mm of rainfall expected
1
°C wind chill
21
kph wind from S

Letterkenny weather for Sunday 11th January 2026

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 98% chance of some rain and a strong breeze of 42 kph from the south.

9
°C maximum temperature
4
°C minimum temperature
cloudy with some rain
0
hours of sunshine
0
UV index (None)
98
% chance of some rain
<20
mm of rainfall expected
4
°C wind chill
42
kph wind from S

Letterkenny weather for Monday 12th January 2026

Expect mostly cloudy with rain in Letterkenny, Ireland with a maximum temperature of 9°C and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 42% chance of some rain and a fresh breeze of 32 kph from the south.

9
°C maximum temperature
6
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
0
UV index (None)
42
% chance of some rain
<10
mm of rainfall expected
5
°C wind chill
32
kph wind from S

Letterkenny weather for Tuesday 13th January 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 8°C and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 64% chance of some rain and a gentle breeze of 18 kph from the south.