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Weather forecast Letterkenny on 7 days | Ireland

On our website, you will find a detailed weather forecast for the week in Letterkenny and other parts of the world. Would you like to know the detailed weather forecast in Letterkenny for today? The air temperature will range from +54°F. A northeast wind is expected at a speed of 18.9 km/h. The atmospheric pressure will reach 764 mm Hg, humidity will be at 79%, and the cloudiness will be Partly Cloudy. Looking for the detailed weather forecast for tomorrow in Letterkenny? The maximum temperature will be +54°F, while the minimum at night will be +48°F A west wind will prevail at a speed of 18.9 km/h. The humidity level will be 79%. The atmospheric pressure will reach 764 mm Hg, and the cloudiness will be Partly Cloudy. Need a detailed weather forecast for the weekend in Letterkenny? The minimum temperature on Saturday will be +48°F, and the maximum will be +54°F A northwest wind is expected at a speed of 18.9
Saturday
2025-03-22
54°F
Partly Cloudy
Day
+54°F
Night
+48°F
Wind
5.26 m/s
Pressure
764 mm
Humidity
79 %
Cloudiness
100%
Sunday
2025-03-23
55°F
Partly Cloudy
Day
+55°F
Night
+50°F
Wind
7.86 m/s
Pressure
758 mm
Humidity
69 %
Cloudiness
100%
Monday
2025-03-24
48°F
rain
Day
+48°F
Night
+48°F
Wind
8.57 m/s
Pressure
757 mm
Humidity
89 %
Cloudiness
81%
Tuesday
2025-03-25
48°F
rain
Day
+48°F
Night
+34°F
Wind
3.77 m/s
Pressure
752 mm
Humidity
54 %
Cloudiness
34%
Wednesday
2025-03-26
43°F
rain
Day
+43°F
Night
+41°F
Wind
5.94 m/s
Pressure
754 mm
Humidity
76 %
Cloudiness
99%
Thursday
2025-03-27
55°F
Partly Cloudy
Day
+55°F
Night
+43°F
Wind
5.29 m/s
Pressure
765 mm
Humidity
58 %
Cloudiness
58%
Friday
2025-03-28
55°F
cloudy
Day
+55°F
Night
+43°F
Wind
4.61 m/s
Pressure
766 mm
Humidity
58 %
Cloudiness
21%
+50°F 
745 mm 
99 % 
+55°F 
764 mm 
100 % 
+50°F 
766 mm 
100 % 
+63°F 
759 mm 
99 % 
+48°F 
763 mm 
91 % 
+45°F 
754 mm 
100 % 
+54°F 
757 mm 
87 % 
+48°F 
751 mm 
45 % 
+48°F 
751 mm 
56 % 
+52°F 
765 mm 
100 % 
+57°F 
766 mm 
100 % 
+57°F 
760 mm 
100 % 
+48°F 
763 mm 
100 % 
+61°F 
765 mm 
7 % 
+57°F 
763 mm 
100 % 
+57°F 
766 mm 
100 % 
+46°F 
751 mm 
94 % 
+50°F 
752 mm 
100 % 
+46°F 
751 mm 
100 % 
+55°F 
767 mm 
100 % 
+52°F 
766 mm 
100 % 
+54°F 
764 mm 
100 % 
+54°F 
750 mm 
88 % 
+55°F 
760 mm 
100 %