Letterkenny weather live forecast

Today's maximum temperature in Letterkenny is expected to be 45°F. Select a day from the live weather forecast for Letterkenny, Ireland for more weather parameters.

Wednesday
4th Feb
45

36

0

0
Thursday
5th Feb
45

39

0

0
Friday
6th Feb
41

37

0

0
Saturday
7th Feb
46

39

2

0
Sunday
8th Feb
46

41

0

0

5-day weather forecast updated at 04:06 on Wednesday 4th February 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 Wednesday 4th February 2026

Expect cloudy with sleet or snow in Letterkenny, Ireland with a maximum temperature of 45°F and no hours of bright sunshine. There are 0-2 mm of sleet/snow expected with 17% chance of some sleet or snow and a gentle breeze of 11 mph from the east.

45
°F maximum temperature
36
°F minimum temperature
cloudy with sleet or snow
0
hours of sunshine
0
UV index (None)
17
% chance of some sleet or snow
<2
mm of sleet/snow expected
39
°F wind chill
11
mph wind from E

Letterkenny weather for Thursday 5th February 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 45°F and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 46% chance of some rain and a fresh breeze of 22 mph from the east.

45
°F maximum temperature
39
°F minimum temperature
mostly cloudy with light rain
0
hours of sunshine
0
UV index (None)
46
% chance of some rain
<2
mm of rainfall expected
36
°F wind chill
22
mph wind from E

Letterkenny weather for Friday 6th February 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 41°F and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 52% chance of some rain and a moderate breeze of 17 mph from the east.

41
°F maximum temperature
37
°F minimum temperature
mostly cloudy with light rain
0
hours of sunshine
0
UV index (None)
52
% chance of some rain
<5
mm of rainfall expected
32
°F wind chill
17
mph wind from E

Letterkenny weather for Saturday 7th February 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 46°F and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 30% chance of some rain and a gentle breeze of 11 mph from the east.

46
°F maximum temperature
39
°F minimum temperature
mostly cloudy with light rain
2
hours of sunshine
0
UV index (None)
30
% chance of some rain
<2
mm of rainfall expected
41
°F wind chill
11
mph wind from E

Letterkenny weather for Sunday 8th February 2026

Expect overcast with light rain in Letterkenny, Ireland with a maximum temperature of 46°F and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 37% chance of some rain and a light breeze of 5 mph from the south-east.