Letterkenny weather live forecast

Today's maximum temperature in Letterkenny is expected to be 7°C. Select a day from the live weather forecast for Letterkenny, Ireland for more weather parameters.

Thursday
19th Feb
7

3

2

0
Friday
20th Feb
10

5

4

1
Saturday
21st Feb
11

8

1

0
Sunday
22nd Feb
9

6

3

1
Monday
23rd Feb
9

7

2

1

5-day weather forecast updated at 04:05 on Thursday 19th 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 Thursday 19th February 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 7°C and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 84% chance of some rain and a moderate breeze of 27 kph from the west.

7
°C maximum temperature
3
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
0
UV index (None)
84
% chance of some rain
<5
mm of rainfall expected
3
°C wind chill
27
kph wind from W

Letterkenny weather for Friday 20th February 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 10°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 69% chance of some rain and a strong breeze of 40 kph from the south-west.

10
°C maximum temperature
5
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
1
UV index (Low)
69
% chance of some rain
<5
mm of rainfall expected
6
°C wind chill
40
kph wind from SW

Letterkenny weather for Saturday 21st February 2026

Expect mostly cloudy with rain in Letterkenny, Ireland with a maximum temperature of 11°C and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 91% chance of some rain and a moderate breeze of 27 kph from the south-west.

11
°C maximum temperature
8
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
0
UV index (None)
91
% chance of some rain
<10
mm of rainfall expected
11
°C wind chill
27
kph wind from SW

Letterkenny weather for Sunday 22nd February 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 9°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 74% chance of some rain and a moderate breeze of 27 kph from the south-west.

9
°C maximum temperature
6
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
1
UV index (Low)
74
% chance of some rain
<2
mm of rainfall expected
5
°C wind chill
27
kph wind from SW

Letterkenny weather for Monday 23rd February 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 9°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 75% chance of some rain and a fresh breeze of 32 kph from the west.