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.

Friday
23rd Jan
7

4

2

0
Saturday
24th Jan
7

5

1

0
Sunday
25th Jan
7

4

3

0
Monday
26th Jan
5

3

0

0
Tuesday
27th Jan
5

1

0

0

5-day weather forecast updated at 04:04 on Friday 23rd January 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

TUI Black Friday sale: up to €200 off holidays in 2026/2027 with myTUI

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 Friday 23rd January 2026

Expect mostly cloudy with rain in Letterkenny, Ireland with a maximum temperature of 7°C and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 23% chance of some rain and a moderate breeze of 26 kph from the east.

7
°C maximum temperature
4
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
0
UV index (None)
23
% chance of some rain
<10
mm of rainfall expected
3
°C wind chill
26
kph wind from E

Letterkenny weather for Saturday 24th January 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 7°C and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 37% chance of some rain and a moderate breeze of 27 kph from the east.

7
°C maximum temperature
5
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
0
UV index (None)
37
% chance of some rain
<2
mm of rainfall expected
3
°C wind chill
27
kph wind from E

Letterkenny weather for Sunday 25th January 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 7°C and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 45% chance of some rain and a moderate breeze of 28 kph from the south-east.

7
°C maximum temperature
4
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
0
UV index (None)
45
% chance of some rain
<5
mm of rainfall expected
3
°C wind chill
28
kph wind from SE

Letterkenny weather for Monday 26th January 2026

Expect mostly cloudy with rain in Letterkenny, Ireland with a maximum temperature of 5°C and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 84% chance of some rain and a fresh breeze of 34 kph from the south-east.

5
°C maximum temperature
3
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
0
UV index (None)
84
% chance of some rain
<10
mm of rainfall expected
0
°C wind chill
34
kph wind from SE

Letterkenny weather for Tuesday 27th January 2026

Expect cloudy with sleet or snow in Letterkenny, Ireland with a maximum temperature of 5°C and no hours of bright sunshine. There are 10-20 mm of sleet/snow expected with 65% chance of some sleet or snow and a moderate breeze of 24 kph from the east.