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Weather in Letterkenny, Ireland

Now
57 °F

Passing clouds.


Feels Like: 54 °F
Forecast: 57 / 39 °F
Wind: 11 mph from Southwest

Location: Castlederg
Current Time: Mar 21, 2026 at 3:48:35 pm
Latest Report: Mar 21, 2026 at 3:00 pm
Visibility: 16 mi
Pressure: 30.02 "Hg
Humidity: 65%
Dew Point: 45 °F
Location of LetterkennyLocation

Upcoming 5 hours

Now4:00 pm5:00 pm6:00 pm7:00 pm8:00 pm
57 °F55 °F54 °F51 °F49 °F48 °F

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Forecast for the next 48 hours

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 SaturdaySundayMonday
 AfternoonEveningNightMorningAfternoonEveningNight
Forecast
Temperature56 °F48 °F46 °F48 °F48 °F42 °F38 °F
Overcast.Overcast.Overcast.Sprin­kles. Overcast.Drizzle. Overcast.Overcast.Overcast.
Feels Like54 °F46 °F43 °F45 °F43 °F39 °F36 °F
Wind Speed7 mph5 mph6 mph6 mph12 mph5 mph4 mph
Wind DirectionSSW
SSW
SSW
W
WNW
WNW
SSW
Humidity62%82%86%91%67%71%79%
Dew Point43 °F42 °F42 °F45 °F37 °F33 °F32 °F
Visibility8 mi7 mi5 mi4 mi3 mi7 mi7 mi
Probability of Precipitation0%0%0%14%20%1%0%
Amount of Rain0.00"0.00"0.00"0.02"0.02"0.00"0.00"
Amount of Snow0.00"0.00"0.00"0.00"0.00"0.00"0.00"
* Updated Saturday, March 21, 2026 1:42:40 pm Letterkenny time - Weather by CustomWeather, © 2026

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

Yesterday's weather

Sunny. 60 / 32 °F
Humidity: 81%. Wind: 6 mph from West

More weather last week

Currently at nearby stations

57 °F

Eglinton / Londonderry: (24 mi)

Scattered clouds.

51 °F

Malin Head: (33 mi)

Cool.

53 °F

Finner: (37 mi)

Cool. (1 hour ago)

More weather in Ireland

Forecast for the next 2 weeks

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MonTueWedThuFriSatSun
16
17
18
19
20

View historic weather

5

Detailed forecast for 14 days