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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Evening Ledger weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
As the live forecast above shows, Belfast’s maritime climate keeps conditions moderate though changeable. The city sees frequent cloud and showers year-round, with temperatures rarely straying far from the seasonal average — typical for Northern Ireland’s east coast.
What does the week ahead hold for Belfast?
The live forecast above provides the most accurate view for the coming days. For anyone checking weather in Belfast tomorrow or weather Belfast today, the main influence remains Atlantic low-pressure systems passing to the north. For official guidance, met office weather belfast updates offer the most authoritative outlook, while those comparing accuweather belfast with other sources will find broad agreement on the general pattern. For a wider view of conditions across the country, see the UK weather hub.
How far ahead can you plan for Belfast weather?
The bbc weather in belfast 10 days outlook is a solid guide for general trends, while the bbc weather belfast 14 day forecast gives a wider but less certain view. For longer planning, services offering belfast weather 15 days use ensemble data that captures likely shifts rather than exact conditions. RTE weather belfast is also worth a look for those travelling south — it offers a slightly different perspective on the same weather systems. The 10 Day Weather Forecast UK page provides a broader perspective for cross-country planning.
When does Belfast see its warmest weather?
July and August are warmest, with average highs of 18-20°C. Late spring to early autumn, from May to September, offers the most reliable conditions for outdoor plans, though rain can appear at any time of year.
Does Belfast get much snow in winter?
Snow is uncommon in Belfast. The maritime climate keeps winter temperatures above freezing for most of the season. When snow does fall, it usually melts within a day or two. January and February are the most likely months for any flurries.
How does Belfast compare to other UK cities?
Belfast is milder than London in winter but cloudier and wetter overall. It shares a similar rainfall pattern to Glasgow and the west of Scotland, with both cities influenced by Atlantic weather systems arriving from the south-west.