Letterkenny weather live forecast

Today's maximum temperature in Letterkenny is expected to be 50°F. Select a day from the live weather forecast for Letterkenny, Ireland for more weather parameters.

Sunday
22nd Feb
50

46

2

1
Monday
23rd Feb
52

46

0

0
Tuesday
24th Feb
52

48

0

0
Wednesday
25th Feb
52

48

3

1
Thursday
26th Feb
50

45

3

0

5-day weather forecast updated at 04:05 on Sunday 22nd February 2026 GMT

More about Letterkenny

Letterkenny by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Ireland

Fred Olsen: Top cruise offers for 2026/2027

Sale

Explore latest offers on Fred Olsen Cruises in 2026/2027
Find last minute deals or early bird discounts
Filter offers by price, destination, ship & departure point

Go to Fred Olsen deal >>

View all Fred Olsen offers

Cruise deal finder

Destination

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 22nd February 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 50°F, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 65% chance of some rain and a fresh breeze of 19 mph from the south-west.

50
°F maximum temperature
46
°F minimum temperature
mostly cloudy with light rain
2
hours of sunshine
1
UV index (Low)
65
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
19
mph wind from SW

Letterkenny weather for Monday 23rd February 2026

Expect mostly cloudy with rain in Letterkenny, Ireland with a maximum temperature of 52°F and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 94% chance of some rain and a fresh breeze of 20 mph from the south-west.

52
°F maximum temperature
46
°F minimum temperature
mostly cloudy with rain
0
hours of sunshine
0
UV index (None)
94
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
20
mph wind from SW

Letterkenny weather for Tuesday 24th February 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 52°F and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 61% chance of some rain and a moderate breeze of 17 mph from the south.

52
°F maximum temperature
48
°F minimum temperature
mostly cloudy with light rain
0
hours of sunshine
0
UV index (None)
61
% chance of some rain
<2
mm of rainfall expected
52
°F wind chill
17
mph wind from S

Letterkenny weather for Wednesday 25th February 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 52°F, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 69% chance of some rain and a gentle breeze of 11 mph from the south.

52
°F maximum temperature
48
°F minimum temperature
mostly cloudy with light rain
3
hours of sunshine
1
UV index (Low)
69
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
11
mph wind from S

Letterkenny weather for Thursday 26th February 2026

Expect mostly cloudy with rain in Letterkenny, Ireland with a maximum temperature of 50°F and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 77% chance of some rain and a moderate breeze of 15 mph from the south-west.