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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Southampton Wire weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above for the most accurate hour-by-hour and day-by-day outlook in Castlederg, as conditions here can shift quickly with the Tyrone hills and the River Derg valley influencing local weather. The Met Office data behind this feed is your most reliable guide for planning the day ahead.
What is the weather typically like in Castlederg?
Castlederg sits inland in west Tyrone, so it often feels cooler and damper than coastal spots like Derry-Londonderry. The surrounding Sperrin Mountains can trap cloud and bring more frequent rain showers, especially in autumn and winter. Frost is common on clear nights, while summer highs rarely push beyond 20°C.
How reliable is the 14-day forecast for Castlederg?
Long-range predictions for Castlederg become less certain after about five days, as small shifts in Atlantic weather systems can change rain and wind patterns. For the weather Castlederg 14 days outlook, treat it as a trend rather than a precise schedule. The met office weather Castlederg updates are refreshed several times daily and remain the best source for short-range accuracy.
Does Castlederg get snow often?
Snowfall is not frequent, but a few days of lying snow occur most winters, usually when cold air funnels down from the north-west. The higher ground around the town can see more persistent cover than lower-lying areas.
Is Castlederg windier than nearby towns?
It is generally less windy than exposed coastal spots like Portrush or Ballycastle, as the Sperrins offer shelter. However, strong south-westerly winds can still sweep through the Derg valley during Atlantic storms.
What should I check before a day out in Castlederg?
Always refer to the live forecast above and the Met Office’s local warnings. Rain can arrive suddenly, so carry a waterproof layer even if the morning looks bright. For longer planning, see our 10 Day Weather Forecast UK page.