Letterkenny weather live forecast

Today's maximum temperature in Letterkenny is expected to be 59°F. Select a day from the live weather forecast for Letterkenny, Ireland for more weather parameters.

Wednesday
1st Jul
59

54

1

1
Thursday
2nd Jul
61

52

5

4
Friday
3rd Jul
63

52

1

2
Saturday
4th Jul
63

55

1

1
Sunday
5th Jul
64

54

2

1

5-day weather forecast updated at 04:03 on Wednesday 1st July 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 Wednesday 1st July 2026

Expect cloudy with some rain in Letterkenny, Ireland with a maximum temperature of 59°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 97% chance of some rain and a fresh breeze of 22 mph from the south-west.

59
°F maximum temperature
54
°F minimum temperature
cloudy with some rain
1
hour of sunshine
1
UV index (Low)
97
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
22
mph wind from SW

Letterkenny weather for Thursday 2nd July 2026

Expect broken clouds in Letterkenny, Ireland with a maximum temperature of 61°F, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 19 mph from the west.

61
°F maximum temperature
52
°F minimum temperature
broken clouds
5
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
61
°F wind chill
19
mph wind from W

Letterkenny weather for Friday 3rd July 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 63°F, maximum UV of 2 (Low) 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 17 mph from the south-west.

63
°F maximum temperature
52
°F minimum temperature
mostly cloudy with light rain
1
hour of sunshine
2
UV index (Low)
37
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
17
mph wind from SW

Letterkenny weather for Saturday 4th July 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 63°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 53% chance of some rain and a moderate breeze of 15 mph from the south-west.

63
°F maximum temperature
55
°F minimum temperature
mostly cloudy with light rain
1
hour of sunshine
1
UV index (Low)
53
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
15
mph wind from SW

Letterkenny weather for Sunday 5th July 2026

Expect mostly cloudy with light rain in Letterkenny, Ireland with a maximum temperature of 64°F, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 44% chance of some rain and a gentle breeze of 12 mph from the west.