Letterkenny weather live forecast

Today's maximum temperature in Letterkenny is expected to be 8°C. Select a day from the live weather forecast for Letterkenny, Ireland for more weather parameters.

Friday
27th Mar
8

4

6

3
Saturday
28th Mar
7

4

6

2
Sunday
29th Mar
10

5

1

2
Monday
30th Mar
11

6

0

1
Tuesday
31st Mar
12

9

3

1

5-day weather forecast updated at 04:03 on Friday 27th March 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 27th March 2026

Expect sunshine and showers in Letterkenny, Ireland with a maximum temperature of 8°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 34% chance of some rain and a fresh breeze of 35 kph from the west.

8
°C maximum temperature
4
°C minimum temperature
sunshine and showers
6
hours of sunshine
3
UV index (Moderate)
34
% chance of some rain
<2
mm of rainfall expected
4
°C wind chill
35
kph wind from W

Letterkenny weather for Saturday 28th March 2026

Expect sunshine and showers in Letterkenny, Ireland with a maximum temperature of 7°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 54% chance of some rain and a fresh breeze of 33 kph from the north-west.

7
°C maximum temperature
4
°C minimum temperature
sunshine and showers
6
hours of sunshine
2
UV index (Low)
54
% chance of some rain
<5
mm of rainfall expected
3
°C wind chill
33
kph wind from NW

Letterkenny weather for Sunday 29th March 2026

Expect mostly cloudy with rain in Letterkenny, Ireland with a maximum temperature of 10°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 93% chance of some rain and a strong breeze of 39 kph from the west.

10
°C maximum temperature
5
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
2
UV index (Low)
93
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
39
kph wind from W

Letterkenny weather for Monday 30th March 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 11°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 30% chance of some rain and a moderate breeze of 24 kph from the west.

11
°C maximum temperature
6
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
1
UV index (Low)
30
% chance of some rain
<2
mm of rainfall expected
11
°C wind chill
24
kph wind from W

Letterkenny weather for Tuesday 31st March 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 12°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 34% chance of some rain and a fresh breeze of 31 kph from the west.