Letterkenny weather live forecast

Today's maximum temperature in Letterkenny is expected to be 16°C. Select a day from the live weather forecast for Letterkenny, Ireland for more weather parameters.

Saturday
4th Jul
16

14

0

2
Sunday
5th Jul
17

14

0

2
Monday
6th Jul
17

14

0

2
Tuesday
7th Jul
18

13

0

2
Wednesday
8th Jul
20

12

1

4

5-day weather forecast updated at 04:03 on Saturday 4th July 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 4th July 2026

Expect cloudy with some rain in Letterkenny, Ireland with a maximum temperature of 16°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 63% chance of some rain and a fresh breeze of 34 kph from the west.

16
°C maximum temperature
14
°C minimum temperature
cloudy with some rain
0
hours of sunshine
2
UV index (Low)
63
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
34
kph wind from W

Letterkenny weather for Sunday 5th July 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 17°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 44% chance of some rain and a moderate breeze of 28 kph from the west.

17
°C maximum temperature
14
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
2
UV index (Low)
44
% chance of some rain
<2
mm of rainfall expected
17
°C wind chill
28
kph wind from W

Letterkenny weather for Monday 6th July 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 17°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 34% chance of some rain and a fresh breeze of 34 kph from the west.

17
°C maximum temperature
14
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
2
UV index (Low)
34
% chance of some rain
<2
mm of rainfall expected
17
°C wind chill
34
kph wind from W

Letterkenny weather for Tuesday 7th July 2026

Expect overcast skies in Letterkenny, Ireland with a maximum temperature of 18°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the west.

18
°C maximum temperature
13
°C minimum temperature
overcast skies
0
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
18
°C wind chill
23
kph wind from W

Letterkenny weather for Wednesday 8th July 2026

Expect overcast skies in Letterkenny, Ireland with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the west.