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Weather in Letterkenny, Ireland

Now
40 °F

Overcast.


Feels Like: 29 °F
Forecast: 43 / 35 °F
Wind: 25 mph from East

Location: Castlederg
Current Time: Feb 4, 2026 at 5:46:32 am
Latest Report: Feb 4, 2026 at 5:00 am
Visibility: 14 mi
Pressure: 29.18 "Hg
Humidity: 87%
Dew Point: 36 °F

Upcoming 5 hours

Now 6:00 am 7:00 am 8:00 am 9:00 am 10:00 am
40 °F 38 °F 38 °F 38 °F 39 °F 39 °F

See more hour-by-hour weather

Forecast for the next 48 hours

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  Wednesday Thursday
  Night Morning Afternoon Evening Night Morning Afternoon
Forecast
Temperature 36 °F 38 °F 42 °F 42 °F 42 °F 41 °F 40 °F
Sprin­kles. Overcast. Sprin­kles. Overcast. Sprin­kles. Overcast. Drizzle. Overcast. Sprin­kles. Overcast. Sprin­kles. Overcast. Rain. Overcast.
Feels Like 29 °F 31 °F 36 °F 35 °F 33 °F 32 °F 30 °F
Wind Speed 10 mph 10 mph 9 mph 14 mph 17 mph 20 mph 19 mph
Wind Direction E
E
E
E
E
E
E
Humidity 93% 94% 91% 89% 87% 86% 91%
Dew Point 34 °F 36 °F 39 °F 39 °F 38 °F 37 °F 38 °F
Visibility 0 mi 1 mi 1 mi 3 mi 3 mi 4 mi 3 mi
Probability of Precipitation 40% 18% 25% 24% 28% 28% 43%
Amount of Rain 0.04" 0.04" 0.02" 0.02" 0.02" 0.03" 0.14"
Amount of Snow 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
* Updated Wednesday, February 4, 2026 1:42:50 am Letterkenny time - Weather by CustomWeather, © 2026

14 day forecast, day-by-day Hour-by-hour forecast for next week

Yesterday's weather

Overcast. 43 / 38 °F
Humidity: 85%. Wind: 30 mph from East

More weather last week

Currently at nearby stations

40 °F

Malin Head: (33 mi)

Quite cool.

39 °F

Finner: (37 mi)

Chilly. (1 hour ago)

37 °F

Belfast / Aldergrove Airport: (64 mi)

Mostly cloudy.

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Forecast for the next 2 weeks

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Detailed forecast for 14 days