National Forecast

Issued at: 15 September 2026 06:30

TODAY - Tuesday 15th September

Fresh today with a mix of sunny spells and scattered passing showers, some heavy. Highest temperatures of 14 to 18 or 19 degrees, in a moderate to fresh west to northwest wind.

TONIGHT

Tonight will be mostly dry with clear spells, as well-scattered showers become mainly confined to the north and west. Rather cool with lowest temperatures of 9 to 12 degrees generally, in a moderating westerly wind.

TOMORROW - Wednesday 16th September

Wednesday will be a dry day generally with a mix of cloud and some sunny spells. However, thickening cloud will gradually feed in patches of drizzle and mist to Atlantic counties, with rather wet and breezy weather developing during the evening. Highest temperatures of 13 to 17 degrees, in a mostly moderate west to southwest wind.

National Outlook

Overview: Breezy most days with scattered showers. Wetter in places on Friday.

Wednesday night: Wet and rather breezy weather across Atlantic counties will push eastwards early on. Clear spells and well-scattered showers will follow for the rest of the night. Lowest temperatures of 9 to 12 degrees, in moderate to fresh southwesterly winds.

Thursday: A fresh and breezy day with sunny spells and scattered showers. Showers will be most frequent across the west and northwest with parts of the southeast staying dry. Highest temperatures of 14 to 17 degrees, in a rather brisk westerly breeze.

Friday: Rather wet and breezy during the morning with cloudy outbreaks of rain occurring widely. The rain will ease into the afternoon, but it will remain fairly cloudy with patchy rain or drizzle for the rest of the day. Highest temperatures of 15 to 19 degrees, in a moderate, occasionally fresh, southwesterly wind.

This weekend: Breezy on Saturday with sunny spells and passing showers, mainly across the northern half of the country. Sunday will be drier, though thickening cloud will feed in patchy outbreaks of drizzle during the evening.