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
| 04 August 2026 Tue 14.9 ° C ( 58.8°F )  Thundery outbreaks in nearby |
Feels Like : 13.8 ° C / 56.8°F Humidity : % 97 Pressure : 1003 mb Wind Speed : 13 kmph / 8.1 miles from SSE 
Visibility : 9 km Precipitation (rainfall) : 0.03 mm Cloud (%) : 100 |
15-day weather forecast for Letterkenny Airport, Letterkenny, Ireland
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 04 August 2026 Tue |  Patchy rain nearby |
13.3 ° C | 19.5 ° C | 16.1 ° C | % 91 | 18.4 km/h | 92% |
| 05 August 2026 Wed | Patchy rain nearby |
12.3 ° C | 13.6 ° C | 12.7 ° C | % 91 | 31 km/h | 90% |
| 06 August 2026 Thu | Patchy rain nearby |
9.9 ° C | 17.4 ° C | 13.8 ° C | % 80 | 19.1 km/h | 66% |
| 07 August 2026 Fri |  Partly Cloudy |
8.4 ° C | 18.7 ° C | 14.1 ° C | % 77 | 26.6 km/h | 18% |
| 08 August 2026 Sat | Patchy rain nearby |
10.8 ° C | 17.9 ° C | 14.7 ° C | % 90 | 20.2 km/h | 64% |
| 09 August 2026 Sun | Patchy rain nearby |
11.8 ° C | 16.6 ° C | 14.5 ° C | % 87 | 14.8 km/h | 71% |
| 10 August 2026 Mon |  Sunny |
8.8 ° C | 19.1 ° C | 13.8 ° C | % 78 | 11.5 km/h | 16% |
| 11 August 2026 Tue |  Cloudy |
8.5 ° C | 19.3 ° C | 14 ° C | % 84 | 15.8 km/h | 18% |
| 12 August 2026 Wed | Cloudy |
12.4 ° C | 19.6 ° C | 16 ° C | % 91 | 13.7 km/h | 88% |
| 13 August 2026 Thu | Patchy rain nearby |
14.2 ° C | 18.3 ° C | 16.2 ° C | % 89 | 20.9 km/h | 50% |
| 14 August 2026 Fri | Patchy rain nearby |
13.7 ° C | 18.2 ° C | 15.7 ° C | % 88 | 23 km/h | 82% |
| 15 August 2026 Sat |  Light drizzle |
12.9 ° C | 17.4 ° C | 14.6 ° C | % 92 | 19.4 km/h | 90% |
| 16 August 2026 Sun | Patchy rain nearby |
8.9 ° C | 16.6 ° C | 13.6 ° C | % 82 | 19.8 km/h | 72% |
| 17 August 2026 Mon | Cloudy |
7.3 ° C | 17.4 ° C | 12.6 ° C | % 82 | 25.6 km/h | 37% |
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