Dublin: Ireland could experience a spell of clear, dry and relatively mild weather from Sunday, as a high-pressure system is expected to bring more stable conditions across the country.
Weather experts, including Irish Weather Channel forecaster Cathal Nolan, have suggested that an “Indian summer” could develop next week. Met Éireann’s forecast also indicates that weather conditions may become more settled as high pressure moves across Ireland.
Although occasional rain and drizzle are expected in the coming days, periods of sunshine are also likely. Temperatures are forecast to remain relatively mild, ranging from approximately 13 to 19 degrees Celsius.
The anticipated improvement in weather could mark one of the final spells of brighter conditions before the wetter and colder weather typically associated with November arrives.
Thursday Forecast
Thursday is expected to be windy with sunny spells and occasional showers. Rain will be heavier in parts of the west and northwest, while southeastern areas are likely to experience longer dry periods.
Moderate to strong westerly winds will affect the country, becoming stronger along Atlantic coastal areas. Daytime temperatures are expected to range between 13 and 17 degrees Celsius.
The night will begin with clear spells and isolated showers. Cloud will gradually spread from the southwest, with overnight temperatures falling to between 9 and 12 degrees.
Friday Forecast
Friday will begin with widespread rain and strong winds. Heavy rain is possible at times in western and southwestern areas before the rain gradually moves eastwards during the afternoon.
Cloudy conditions and occasional showers are expected to continue throughout the day, with temperatures ranging from 15 to 19 degrees Celsius.
Friday night will remain largely cloudy, although some clear spells are possible. Isolated showers may move in from the west, while overnight temperatures are expected to remain between 11 and 15 degrees.
What Is an Indian Summer?
The term “Indian summer” is commonly used to describe an unexpected spell of mild, dry and sunny weather during autumn, after the arrival of cooler conditions.
In Ireland, the phrase is often used when rain and cold weather give way to several days of sunshine and above-average temperatures during September or October. However, the term has no direct connection to India’s climate, Indian immigration or relations between Ireland and India.
Origins in North America
The expression “Indian summer” is generally believed to have originated in North America during the late 18th century. In this context, the word “Indian” referred to the term historically used by European settlers for Indigenous peoples in North America.
Historical linguistic records suggest that the expression was in use between the 1770s and 1790s. However, there is no definitive agreement about its precise origin.
One theory suggests that Indigenous communities used periods of unexpectedly warm autumn weather for hunting and harvesting. Another proposes that the term developed because such weather was observed in areas inhabited by Indigenous populations. Neither explanation has been conclusively established.
The expression later spread to Britain and Ireland during the 19th century.
“Indian summer” is not an official meteorological term with a universally accepted scientific definition. It is commonly used to describe an unusually warm and dry spell during autumn.
Such conditions can develop when a persistent area of high pressure settles over Ireland, limiting Atlantic rain-bearing systems and reducing strong winds. Although daytime temperatures may rise and skies may remain clear, nights and early mornings can still be cold.
Summer Has Not Returned
Even if temperatures approach 20 degrees Celsius during an Indian summer, it does not mean that summer has returned permanently.
Atlantic rain, wind and cooler conditions can return after only a few days. The phenomenon is therefore often described as a brief and unexpected “second summer” during autumn.
The term remains widely used in Ireland and Britain to describe these short periods of pleasant weather.
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