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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Media Grid UK weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Belfast sees highs of 13–15°C and lows of 8–10°C over the coming days, with light rain pushing in by midweek. That means a mild, unsettled spell typical of early autumn in the city.
What is the outlook for Belfast over the next few days?
According to the live forecast above, today remains mostly dry with patchy cloud, before a weather front arrives tomorrow bringing drizzle and breezier conditions. By Wednesday, the rain becomes more persistent, though temperatures stay near average for the season. For a detailed breakdown of the coming week, see our 10 Day Weather Forecast UK.
Those planning outdoor activities will want to check the weather in Belfast tomorrow for the timing of showers. The weather Belfast today offers a brief window of dry spells before the change arrives.
How do Belfast conditions compare with other UK cities?
Belfast’s coastal position keeps it a few degrees cooler than inland cities like Birmingham but milder than Glasgow at this time of year. Wind speeds are moderate, and humidity stays high due to the eastern Atlantic flow.
Will it rain in Belfast this week?
Yes, light rain is likely from Tuesday evening through to Thursday morning. The bbc weather Belfast 14 day forecast shows a return to drier conditions by the weekend, with brighter spells on Saturday.
What is the best source for Belfast weather updates?
For official warnings and hourly data, the Met Office weather Belfast page is most reliable. AccuWeather Belfast offers a 15-day outlook, while RTE weather Belfast provides an all-Ireland perspective.
How accurate are 10-day forecasts for Belfast?
Accuracy drops significantly after day 5, especially for rainfall timing. The BBC weather in Belfast 10 days gives a useful trend but not precise hour-by-hour detail beyond a few days ahead.
For a wider view, visit the UK weather hub or check conditions in Liverpool and Bristol for comparison. The Belfast weather 15 days trend suggests a transition to cooler but quieter weather later in the month.