Letterkenny Airport (LTR) 15 Day Weather Forecast, Letterkenny Ireland
Current weather conditions and 15 day weather forecast for Letterkenny Airport in Letterkenny, Ireland including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.
Current weather conditions at LTR
| 21 December 2025 Sun 9.3 ° C ( 48.7°F )  Overcast |
Feels Like : 7.9 ° C / 46.1°F Humidity : % 87 Pressure : 1009 mb Wind Speed : 9.7 kmph / 6 miles from ESE 
Visibility : 10 km Precipitation (rainfall) : 0.01 mm Cloud (%) : 75 |
15-day weather forecast for Letterkenny Airport, Letterkenny, Ireland
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 21 December 2025 Sun |  Patchy rain nearby |
3.6 ° C | 7.8 ° C | 5.9 ° C | % 93 | 28.4 km/h | 93% |
| 22 December 2025 Mon | Patchy rain nearby |
5.4 ° C | 6.7 ° C | 6.2 ° C | % 97 | 5 km/h | 88% |
| 23 December 2025 Tue | Patchy rain nearby |
3.3 ° C | 7.4 ° C | 4.9 ° C | % 88 | 23.4 km/h | 87% |
| 24 December 2025 Wed |  Cloudy |
2.9 ° C | 7.9 ° C | 5.1 ° C | % 89 | 19.4 km/h | 0% |
| 25 December 2025 Thu |  Sunny |
-1 ° C | 3.5 ° C | 1.2 ° C | % 90 | 14.8 km/h | 0% |
| 26 December 2025 Fri | Sunny |
-1.1 ° C | 3.6 ° C | 0.4 ° C | % 87 | 7.9 km/h | 0% |
| 27 December 2025 Sat | Cloudy |
-0.4 ° C | 5.2 ° C | 1.7 ° C | % 90 | 8.3 km/h | 0% |
| 28 December 2025 Sun | Sunny |
-0.6 ° C | 3.8 ° C | 0.7 ° C | % 93 | 5.8 km/h | 0% |
| 29 December 2025 Mon | Sunny |
-0.9 ° C | 3.5 ° C | 0.4 ° C | % 94 | 4 km/h | 0% |
| 30 December 2025 Tue | Sunny |
-1.2 ° C | 3.6 ° C | 0.2 ° C | % 93 | 4.7 km/h | 0% |
| 31 December 2025 Wed | Overcast |
-1.7 ° C | 3.6 ° C | 0.8 ° C | % 92 | 7.6 km/h | 0% |
| 01 January 2026 Thu |  Moderate or heavy snow showers |
-1.9 ° C | 2.3 ° C | 0 ° C | % 80 | 12.2 km/h | 78% |
| 02 January 2026 Fri | Moderate or heavy snow showers |
-3.5 ° C | 1.5 ° C | -0.9 ° C | % 86 | 13 km/h | 87% |
| 03 January 2026 Sat | Moderate or heavy snow showers |
-5.1 ° C | 0.8 ° C | -1.9 ° C | % 96 | 7.9 km/h | 69% |
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