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
| 24 August 2026 Mon 7.2 ° C ( 44.9°F )  Clear |
Feels Like : 5.6 ° C / 42.1°F Humidity : % 94 Pressure : 1022 mb Wind Speed : 3.6 kmph / 2.2 miles from SSE 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 5 |
15-day weather forecast for Letterkenny Airport, Letterkenny, Ireland
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 24 August 2026 Mon | Sunny |
7.2 ° C | 20.7 ° C | 13.4 ° C | % 74 | 13 km/h | 10% |
| 25 August 2026 Tue |  Overcast |
9.9 ° C | 18.3 ° C | 14.1 ° C | % 79 | 22 km/h | 66% |
| 26 August 2026 Wed |  Patchy rain nearby |
12.5 ° C | 17.6 ° C | 14.6 ° C | % 93 | 18.7 km/h | 85% |
| 27 August 2026 Thu | Patchy rain nearby |
11.9 ° C | 19.4 ° C | 15.3 ° C | % 91 | 14.4 km/h | 81% |
| 28 August 2026 Fri | Patchy rain nearby |
12.9 ° C | 15.8 ° C | 14.2 ° C | % 87 | 17.3 km/h | 88% |
| 29 August 2026 Sat | Patchy rain nearby |
11.2 ° C | 16.3 ° C | 13.5 ° C | % 81 | 10.4 km/h | 36% |
| 30 August 2026 Sun |  Light rain shower |
9.7 ° C | 14.3 ° C | 12.4 ° C | % 92 | 13.7 km/h | 89% |
| 31 August 2026 Mon | Light rain shower |
9.2 ° C | 15.8 ° C | 12.4 ° C | % 87 | 23.4 km/h | 79% |
| 01 September 2026 Tue | Patchy rain nearby |
8.2 ° C | 14 ° C | 11.6 ° C | % 76 | 18.4 km/h | 45% |
| 02 September 2026 Wed | Light rain shower |
7.9 ° C | 14.4 ° C | 11.3 ° C | % 94 | 19.8 km/h | 86% |
| 03 September 2026 Thu |  Fog |
8.5 ° C | 14.7 ° C | 11.4 ° C | % 90 | 20.5 km/h | 83% |
| 04 September 2026 Fri | Patchy rain nearby |
7.5 ° C | 15.4 ° C | 11.4 ° C | % 84 | 16.9 km/h | 68% |
| 05 September 2026 Sat |  Mist |
9.5 ° C | 16.8 ° C | 13 ° C | % 84 | 21.2 km/h | 44% |
| 06 September 2026 Sun | Overcast |
8.2 ° C | 17.8 ° C | 13.4 ° C | % 80 | 13 km/h | 19% |
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