Home › Weather › Towns › Carrickfergus
Live forecasts update automatically; written guidance last reviewed 13 June 2026 by the Insight Britain weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Carrickfergus weather is shaped by its coastal position on Belfast Lough. Check the live forecast above for current conditions, hourly changes and the week ahead to plan your day in this historic town.
How should you read the live forecast above for Carrickfergus?
The widget shows today’s temperature, wind speed and precipitation chance. Scroll or tap to see the hourly breakdown for Carrickfergus, then swipe to the daily view for the next week. This gives you a quick sense of when rain is likely and how strong the wind will be, so you can decide whether to explore the castle or stay indoors.
What is Carrickfergus’s typical climate through the seasons?
Carrickfergus has a temperate maritime climate. Winters are mild, with lows rarely below freezing, while summers are cool, with highs typically in the mid-teens Celsius. Rainfall is frequent but light, spread evenly across the year. Wind is a near-constant feature, especially in autumn and winter, thanks to the town’s exposed position on the lough. Spring and autumn are changeable, with crisp mornings and occasional sunny spells.
What local geography affects Carrickfergus weather?
Situated on the north shore of Belfast Lough, Carrickfergus is open to south-westerly winds off the Irish Sea. The Antrim Plateau to the north offers some shelter, but the coast remains breezy. The lough can generate local sea breezes on sunny days, and low cloud or sea fog sometimes rolls in during humid spells. Rainfall tends to be slightly lower than in inland areas due to the rain shadow effect of the mountains to the west.
When is the best time to visit Carrickfergus and what should you pack?
Late May to early September offers the most pleasant conditions, with longer daylight and higher chance of dry spells. Pack layers, a waterproof jacket and sturdy footwear – even in summer, a warm jumper and windproof coat are essential. In winter, add a hat, gloves and a thermal base layer for harbour-side walks.
Which nearby areas do readers also check?
Readers planning a trip to this part of Northern Ireland often look up the weather for Belfast, Larne, Bangor, Newtownabbey and Glengormley. For regional context, the Northern Ireland weather guide covers the whole country.
What will the weather in Carrickfergus be like tomorrow?
Use the live forecast above to see tomorrow’s detailed outlook. In general, expect similar conditions to today but with a chance of cloudier skies and light rain, typical for the lough coast. Check the hourly tab for the best window to go out.
What is the 10–14 day outlook for Carrickfergus?
Long-range forecasts become less reliable, but the 10-day forecast gives a broad trend, such as whether a settled or unsettled pattern is likely. For Carrickfergus, a mix of showers and dry spells is the norm, with temperatures staying close to the seasonal average.
Does it rain a lot in Carrickfergus?
Yes, Carrickfergus receives frequent light rain, typical of Northern Ireland’s maritime climate. Most days see some drizzle, but prolonged downpours are rare. The town is slightly drier than inland areas because it lies in the rain shadow of the Antrim Hills, yet a waterproof remains essential year-round.
How windy does Carrickfergus get?
Wind is a key feature, especially from autumn to early spring. South-westerly gales can bring gusts over 50 mph to exposed parts of the lough. The live forecast above shows wind speed and direction, so check before planning coastal walks or visits to the marina.