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.

Tuesday
3rd Nov
9

3

2

1
Wednesday
4th Nov
9

4

3

1
Thursday
5th Nov
9

3

2

1
Friday
6th Nov
9

5

1

0
Saturday
7th Nov
9

4

1

1

5-day weather forecast updated at 04:03 on Tuesday 3rd 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 Tuesday 3rd November 2026

Expect fog in low lying areas 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 little or no wind of 5 kph from the south-west.

9
°C maximum temperature
3
°C minimum temperature
fog in low lying areas
2
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
5
kph wind from SW

Letterkenny weather for Wednesday 4th November 2026

Expect fog in low lying areas in Letterkenny, Ireland with a maximum temperature of 9°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the east.

9
°C maximum temperature
4
°C minimum temperature
fog in low lying areas
3
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
9
°C wind chill
7
kph wind from E

Letterkenny weather for Thursday 5th November 2026

Expect fog in low lying areas 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 light breeze of 12 kph from the east.

9
°C maximum temperature
3
°C minimum temperature
fog in low lying areas
2
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
7
°C wind chill
12
kph wind from E

Letterkenny weather for Friday 6th November 2026

Expect fog in low lying areas in Letterkenny, Ireland with a maximum temperature of 9°C and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the east.

9
°C maximum temperature
5
°C minimum temperature
fog in low lying areas
1
hour of sunshine
0
UV index (None)
0
mm of rainfall expected
7
°C wind chill
10
kph wind from E

Letterkenny weather for Saturday 7th November 2026

Expect overcast skies in Letterkenny, Ireland with a maximum temperature of 9°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the east.