Weekend weather in Letterkenny: the honest forecast
Saturday in Letterkenny
Saturday 17/10/2026
Grey, grey and more grey. Sure it suits us.
Clouds, high of 10°C, low of 5°C. 0 mm of rain, 0% chance. Wind up to 8 km/h.
Sunday in Letterkenny
Sunday 18/10/2026
Grey, grey and more grey. Sure it suits us.
Clouds, high of 11°C, low of 2°C. 0 mm of rain, 0% chance. Wind up to 8 km/h.
About the weather in Letterkenny
Letterkenny is in County Donegal at the head of Lough Swilly. It is exposed to Atlantic weather from the north-west, so it can be showery and windy, with the surrounding hills catching a lot of the rain.
Across Ireland, spring is cool and bright with showers, summer highs are typically in the high teens with long evenings, autumn is the wettest and windiest stretch as the Atlantic fronts return, and winter is mild for the latitude with frost on clear nights. Rain can arrive in any month.
Quick answers for Letterkenny
- What is the weather in Letterkenny right now?
- It is 12°C in Letterkenny with few clouds, feeling like 10°C, with wind at 22 km/h.
- Will it rain in Letterkenny tomorrow?
- Rain is unlikely tomorrow in Letterkenny (a 0% chance).
- What will the temperature be in Letterkenny tomorrow?
- A high of 10°C and a low of 5°C, with wind around 8 km/h.
- What time is sunset in Letterkenny today?
- Sunrise is at 08:01 and sunset at 18:30.