Weather in Letterkenny

County Donegal, 20 m · continuously updated

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Wind: –
Humidity: –
Rain ahead: –
Sunset: –

Temperature · last 4 and next 28 hours

Letterkenny weather: the next 24 hours

Updated hourly.

Letterkenny weather hour by hour (48 h)

Letterkenny 15-day forecast

Two-week trend.

Letterkenny weekend weather Rain radar

Sun and golden hours

Sunrise –, golden light until –

Sunset –, golden light from –

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Air quality

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European index, measured continuously.

UV index

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Daily maximum — protection advised from 3.

Freezing level

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Snow settles about 300 m below it.

Around Letterkenny

Neighbouring towns, as the crow flies.

Donegal41 km Sligo89 km Monaghan93 km Cavan110 km Carrick-on-Shannon115 km Ballina131 km Dundalk136 km Longford137 km

7-day forecast for Letterkenny

Today (Thursday 1 Oct) in Letterkenny: light rain, 10 to 15 °C, precipitation 1.6 mm (80 %), wind up to 22 km/h. Tomorrow: drizzle, 9 to 16 °C.

Day	Weather	Min	Max	Precip.	Wind
Today	light rain	10 °C	15 °C	1.6 mm	22 km/h
Tomorrow	drizzle	9 °C	16 °C	2.0 mm	24 km/h
Sat 3 Oct	light drizzle	9 °C	15 °C	0.2 mm	20 km/h
Sun 4 Oct	light drizzle	14 °C	16 °C	0.8 mm	27 km/h
Mon 5 Oct	light drizzle	14 °C	16 °C	0.1 mm	28 km/h
Tue 6 Oct	heavy drizzle	8 °C	14 °C	5.9 mm	16 km/h
Wed 7 Oct	light drizzle	8 °C	11 °C	0.6 mm	20 km/h

Forecast updated on 01.10.2026 at 10:08 (Open-Meteo model, elevation 20 m). The live block at the top of the page is refreshed hourly and covers 16 days.