National Forecast

Issued at: 30 November 2025 12:23

TODAY - Sunday 30th November

Cloud will continue to build from the west today with rain developing in the west and southwest in the early afternoon, extending eastwards to all areas by early evening. Highest afternoon temperatures of 4 to 8 degrees with light to moderate southerly winds increasing fresh to strong later.

TONIGHT

A wet night for most with widespread rain, turning heavy at times with potential for localised flooding. A clearance will move into western and northwestern areas towards morning. Becoming milder for a time before cooler conditions develop behind the rain. Lowest temperatures of 5 to 10 degrees in fresh south to southwest winds, light to moderate in the north and west.

TOMORROW - Monday 1st December

The first day of meteorological winter, tomorrow morning, heavy rain will gradually clear with bright spells for a time. However, further showers will spread from the west through the day. Highest temperatures of 7 to 11 degrees in light to moderate south to southwest winds.

National Outlook

Overview: Low pressure will dominate during the first week of meteorological winter with sunshine and showers at first, followed by spells of rain for the latter half of the week.

Monday night: Becoming dry and clear for many overnight with scattered showers mainly affecting Atlantic coastal counties. Lowest temperatures of 1 to 5 degrees with a touch of frost possible in light to moderate southerly winds.

Tuesday: Bright and breezy with spells of sunshine and scattered showers. Cool with highest temperatures of 5 to 9 degrees and an added wind chill factor in moderate to fresh southerly winds.

Tuesday night: A mix of showers and clear spells overnight. The odd heavy shower is possible. Lowest temperatures of 1 to 5 degrees in moderate to fresh south to southwest winds.

Wednesday: A bright start to the day with sunny spells and scattered showers. Cloud will build from the southwest through the afternoon and evening with light rain and drizzle developing on southwest coasts later. The rain will spread eastwards across the country overnight. Highest temperatures of 7 to 11 degrees in moderate southwest winds.

Thursday: Rain will clear into the Irish Sea early on Thursday. Becoming dry for most with sunshine and isolated showers following from the west. A cool day with highest temperatures of 5 to 8 degrees in light to moderate southwest winds.

Further outlook: Generally unsettled for Friday and the weekend with further rain and showers spreading from the Atlantic.