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Hourly Forecast
Daylight Hours
07:31
Sunrise
19:11
Sunset
Moon
Waxing Gibbous
18:47
Moonrise
05:40
Moonset
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View stargazing scoreWeather in Letterkenny Airport today, September 25, 2026
Letterkenny Airport looks cloudy on September 25, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward. The morning carries the wetter risk, with rain chances near 50% and the highest odds around 02:00. Cloud is also thick early on, peaking near 100% around 03:00.
The day peaks near 15°C and cools toward 11°C. Moisture in the air spans 68%-93%, with the highest values around 02:00. A lighter breeze peaks around 14:00 near 6.4 km/h.
Through the afternoon the main story eases from the wetter morning, with rain odds nearer 0% after earlier peaks around 50%. Cloud remains in play near 100% around 12:00, but the heaviest damp risk should be behind you. Visibility stays generally good near 30.4 km on average, though it can drop toward 21.3 km in thicker cloud or showers. Expect sunrise at 07:31, sunset at 19:11, and 11 hours 39 minutes of sunlight today overall.
The practical takeaway for Letterkenny Airport on September 25, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 15°C.
Frequently asked questions about weather in Letterkenny Airport
How warm does it get in Letterkenny Airport?
The warmest month in Letterkenny Airport is August, with average high temperatures of 17°C. The average temperature during this period is around 15°C.
How cold does it get in Letterkenny Airport?
The coldest month in Letterkenny Airport is January, with average low temperatures of 4°C. The average temperature during this period is around 6°C.
What is the wettest time of year in Letterkenny Airport?
The wettest month in Letterkenny Airport is August, with an average of 126mm of precipitation.
What is the driest time of year in Letterkenny Airport?
The driest month in Letterkenny Airport is April, with an average of 80mm of precipitation.
