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
3rd Apr
8

3

4

2
Saturday
4th Apr
9

2

2

1
Sunday
5th Apr
6

1

8

3
Monday
6th Apr
10

0

2

2
Tuesday
7th Apr
12

7

0

1

5-day weather forecast updated at 04:03 on Friday 3rd April 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 3rd April 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 8°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 76% chance of some rain and a fresh breeze of 31 kph from the west.

8
°C maximum temperature
3
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
2
UV index (Low)
76
% chance of some rain
<5
mm of rainfall expected
4
°C wind chill
31
kph wind from W

Letterkenny weather for Saturday 4th April 2026

Expect mostly cloudy with rain in Letterkenny, Ireland with a maximum temperature of 9°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 99% chance of some rain and a strong breeze of 43 kph from the south.

9
°C maximum temperature
2
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
1
UV index (Low)
99
% chance of some rain
<20
mm of rainfall expected
4
°C wind chill
43
kph wind from S

Letterkenny weather for Sunday 5th April 2026

Expect cloudy with sleet or snow in Letterkenny, Ireland with a maximum temperature of 6°C, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0-2 mm of sleet/snow expected with 61% chance of some sleet or snow and a fresh breeze of 37 kph from the west.

6
°C maximum temperature
1
°C minimum temperature
cloudy with sleet or snow
8
hours of sunshine
3
UV index (Moderate)
61
% chance of some sleet or snow
<2
mm of sleet/snow expected
1
°C wind chill
37
kph wind from W

Letterkenny weather for Monday 6th April 2026

Expect broken clouds in Letterkenny, Ireland with a maximum temperature of 10°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 35 kph from the south-east.

10
°C maximum temperature
0
°C minimum temperature
broken clouds
2
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
35
kph wind from SE

Letterkenny weather for Tuesday 7th April 2026

Expect cloudy with some rain in Letterkenny, Ireland with a maximum temperature of 12°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 80% chance of some rain and a moderate breeze of 28 kph from the south-east.