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.

Sunday
15th Nov
8

2

1

0
Monday
16th Nov
5

-1

5

1
Tuesday
17th Nov
9

3

1

0
Wednesday
18th Nov
9

5

0

0
Thursday
19th Nov
8

4

0

0

5-day weather forecast updated at 04:02 on Sunday 15th November 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 Sunday 15th November 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 46% chance of some rain and a moderate breeze of 26 kph from the north.

8
°C maximum temperature
2
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
0
UV index (None)
46
% chance of some rain
<2
mm of rainfall expected
4
°C wind chill
26
kph wind from N

Letterkenny weather for Monday 16th November 2026

Expect sunshine and showers in Letterkenny, Ireland with a maximum temperature of 5°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 89% chance of some rain and a fresh breeze of 34 kph from the south-east.

5
°C maximum temperature
-1
°C minimum temperature
sunshine and showers
5
hours of sunshine
1
UV index (Low)
89
% chance of some rain
<5
mm of rainfall expected
-1
°C wind chill
34
kph wind from SE

Letterkenny weather for Tuesday 17th November 2026

Expect mostly cloudy with rain in Letterkenny, Ireland with a maximum temperature of 9°C and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 65% chance of some rain and a moderate breeze of 26 kph from the south-east.

9
°C maximum temperature
3
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
0
UV index (None)
65
% chance of some rain
<10
mm of rainfall expected
5
°C wind chill
26
kph wind from SE

Letterkenny weather for Wednesday 18th November 2026

Expect overcast with light rain in Letterkenny, Ireland with a maximum temperature of 9°C and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 83% chance of some rain and a gentle breeze of 17 kph from the east.

9
°C maximum temperature
5
°C minimum temperature
overcast with light rain
0
hours of sunshine
0
UV index (None)
83
% chance of some rain
<5
mm of rainfall expected
7
°C wind chill
17
kph wind from E

Letterkenny weather for Thursday 19th November 2026

Expect overcast with light rain in Letterkenny, Ireland with a maximum temperature of 8°C and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 40% chance of some rain and a moderate breeze of 21 kph from the north-east.