Letterkenny weather live forecast

Today's maximum temperature in Letterkenny is expected to be 10°C. Select a day from the live weather forecast for Letterkenny, Ireland for more weather parameters.

Monday
9th Mar
10

5

2

1
Tuesday
10th Mar
11

5

1

1
Wednesday
11th Mar
9

6

3

2
Thursday
12th Mar
8

3

3

0
Friday
13th Mar
7

3

1

1

5-day weather forecast updated at 04:03 on Monday 9th 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 Monday 9th March 2026

Expect broken clouds in Letterkenny, Ireland with a maximum temperature of 10°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south.

10
°C maximum temperature
5
°C minimum temperature
broken clouds
2
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
7
°C wind chill
24
kph wind from S

Letterkenny weather for Tuesday 10th March 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 11°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 100% chance of some rain and a strong breeze of 39 kph from the south.

11
°C maximum temperature
5
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
1
UV index (Low)
100
% chance of some rain
<5
mm of rainfall expected
11
°C wind chill
39
kph wind from S

Letterkenny weather for Wednesday 11th March 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 9°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 59% chance of some rain and a strong breeze of 42 kph from the south-west.

9
°C maximum temperature
6
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
2
UV index (Low)
59
% chance of some rain
<5
mm of rainfall expected
5
°C wind chill
42
kph wind from SW

Letterkenny weather for Thursday 12th March 2026

Expect mostly cloudy with rain in Letterkenny, Ireland with a maximum temperature of 8°C and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 94% chance of some rain and a strong breeze of 40 kph from the south-west.

8
°C maximum temperature
3
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
0
UV index (None)
94
% chance of some rain
<20
mm of rainfall expected
4
°C wind chill
40
kph wind from SW

Letterkenny weather for Friday 13th March 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 7°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 80% chance of some rain and a moderate breeze of 23 kph from the west.