Letterkenny weather live forecast

Today's maximum temperature in Letterkenny is expected to be 12°C. Select a day from the live weather forecast for Letterkenny, Ireland for more weather parameters.

Saturday
31st Oct
12

5

0

0
Sunday
1st Nov
10

5

3

1
Monday
2nd Nov
10

4

7

1
Tuesday
3rd Nov
9

3

3

1
Wednesday
4th Nov
9

4

5

1

5-day weather forecast updated at 04:03 on Saturday 31st October 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 Saturday 31st October 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 12°C and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 93% chance of some rain and a gentle breeze of 15 kph from the south.

12
°C maximum temperature
5
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
0
UV index (None)
93
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
15
kph wind from S

Letterkenny weather for Sunday 1st November 2026

Expect broken clouds in Letterkenny, Ireland with a maximum temperature of 10°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north.

10
°C maximum temperature
5
°C minimum temperature
broken clouds
3
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
11
kph wind from N

Letterkenny weather for Monday 2nd November 2026

Expect scattered clouds in Letterkenny, Ireland with a maximum temperature of 10°C, maximum UV of 1 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south-east.

10
°C maximum temperature
4
°C minimum temperature
scattered clouds
7
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
7
kph wind from SE

Letterkenny weather for Tuesday 3rd November 2026

Expect broken clouds in Letterkenny, Ireland with a maximum temperature of 9°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-east.

9
°C maximum temperature
3
°C minimum temperature
broken clouds
3
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
7
°C wind chill
9
kph wind from SE

Letterkenny weather for Wednesday 4th November 2026

Expect broken clouds in Letterkenny, Ireland with a maximum temperature of 9°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the east.