Letterkenny weather live forecast

Today's maximum temperature in Letterkenny is expected to be 9°C. Select a day from the live weather forecast for Letterkenny, Ireland for more weather parameters.

Sunday
8th Nov
9

5

3

0
Monday
9th Nov
9

4

2

1
Tuesday
10th Nov
9

5

0

1
Wednesday
11th Nov
9

5

2

1
Thursday
12th Nov
8

5

4

1

5-day weather forecast updated at 04:02 on Sunday 8th November 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 Sunday 8th November 2026

Expect fog in low lying areas in Letterkenny, Ireland with a maximum temperature of 9°C and 3 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the west.

9
°C maximum temperature
5
°C minimum temperature
fog in low lying areas
3
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
0
no heat & humidity
4
kph wind from W

Letterkenny weather for Monday 9th November 2026

Expect broken clouds in Letterkenny, Ireland with a maximum temperature of 9°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the east.

9
°C maximum temperature
4
°C minimum temperature
broken clouds
2
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
7
°C wind chill
13
kph wind from E

Letterkenny weather for Tuesday 10th November 2026

Expect overcast skies in Letterkenny, Ireland with a maximum temperature of 9°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the east.

9
°C maximum temperature
5
°C minimum temperature
overcast skies
0
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
6
°C wind chill
18
kph wind from E

Letterkenny weather for Wednesday 11th November 2026

9
°C maximum temperature
5
°C minimum temperature
broken clouds
2
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
6
°C wind chill
15
kph wind from NE

Letterkenny weather for Thursday 12th November 2026

Expect broken clouds in Letterkenny, Ireland with a maximum temperature of 8°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north-east.