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 (Wednesday 30 Sep) in Letterkenny: rain, 12 to 18 °C, precipitation 7.4 mm (100 %), wind up to 28 km/h. Tomorrow: light drizzle, 10 to 15 °C.

Day	Weather	Min	Max	Precip.	Wind
Today	rain	12 °C	18 °C	7.4 mm	28 km/h
Tomorrow	light drizzle	10 °C	15 °C	0.1 mm	21 km/h
Fri 2 Oct	rain	10 °C	15 °C	6.0 mm	23 km/h
Sat 3 Oct	overcast	9 °C	15 °C	0.0 mm	13 km/h
Sun 4 Oct	overcast	11 °C	16 °C	0.0 mm	20 km/h
Mon 5 Oct	light drizzle	11 °C	17 °C	0.3 mm	24 km/h
Tue 6 Oct	overcast	9 °C	12 °C	0.0 mm	22 km/h

Forecast updated on 30.09.2026 at 13:54 (Open-Meteo model, elevation 20 m). The live block at the top of the page is refreshed hourly and covers 16 days.