Letterkenny weather live forecast

Today's maximum temperature in Letterkenny is expected to be 52°F. Select a day from the live weather forecast for Letterkenny, Ireland for more weather parameters.

Monday
23rd Feb
52

45

1

1
Tuesday
24th Feb
54

48

0

1
Wednesday
25th Feb
54

48

1

1
Thursday
26th Feb
50

45

3

1
Friday
27th Feb
46

37

0

1

5-day weather forecast updated at 04:05 on Monday 23rd 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 Monday 23rd February 2026

Expect mostly cloudy with rain in Letterkenny, Ireland with a maximum temperature of 52°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 93% chance of some rain and a fresh breeze of 21 mph from the west.

52
°F maximum temperature
45
°F minimum temperature
mostly cloudy with rain
1
hour of sunshine
1
UV index (Low)
93
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
21
mph wind from W

Letterkenny weather for Tuesday 24th February 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 54°F, maximum UV of 1 (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 16 mph from the south.

54
°F maximum temperature
48
°F minimum temperature
mostly cloudy with light rain
0
hours of sunshine
1
UV index (Low)
44
% chance of some rain
<2
mm of rainfall expected
54
°F wind chill
16
mph wind from S

Letterkenny weather for Wednesday 25th February 2026

Expect cloudy with some rain in Letterkenny, Ireland with a maximum temperature of 54°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 82% chance of some rain and a gentle breeze of 9 mph from the south.

54
°F maximum temperature
48
°F minimum temperature
cloudy with some rain
1
hour of sunshine
1
UV index (Low)
82
% chance of some rain
<10
mm of rainfall expected
54
°F wind chill
9
mph wind from S

Letterkenny weather for Thursday 26th February 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 50°F, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 73% chance of some rain and a moderate breeze of 15 mph from the south-west.

50
°F maximum temperature
45
°F minimum temperature
mostly cloudy with light rain
3
hours of sunshine
1
UV index (Low)
73
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
15
mph wind from SW

Letterkenny weather for Friday 27th February 2026

Expect mostly cloudy with rain in Letterkenny, Ireland with a maximum temperature of 46°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 77% chance of some rain and a moderate breeze of 13 mph from the north-west.