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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the ScopePress weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
The live forecast above shows the latest conditions for Castlederg, County Tyrone. Expect mild temperatures and frequent rainfall year-round, typical of Northern Ireland’s maritime climate. The reading indicates current temperature and precipitation, with further detail below.
What is the typical weather pattern in Castlederg?
Castlederg has cool summers and mild winters, with rain spread evenly across all months. Average July highs reach around 18°C, while January lows fall to about 2°C. The Sperrin Mountains shelter the town, often reducing wind speeds but increasing local cloud cover and drizzle. For a wider outlook, see the UK weather hub or check the 10 Day Weather Forecast UK.
Frequently asked questions about Castlederg weather
When is the wettest month in Castlederg?
October is typically the wettest month, averaging 130 mm of rain. However, rainfall is consistent throughout the year, so always carry a coat if you’re visiting. Check the met office weather castlederg page for daily updates.
Does Castlederg ever get snow?
Snow is rare and usually light, occurring on roughly 10 days each winter. The town’s low altitude and maritime influence mean settled snow is uncommon and does not persist for long.
What is the best time to visit Castlederg for dry weather?
Late spring (May) to early autumn (September) sees the fewest rain days and longest daylight. Even then, expect occasional showers — it pays to check the weather castlederg 14 days forecast before planning outings.