National Forecast
Issued at: 18 October 2026 04:30
TODAY - Sunday 18th October
A bright and cool morning with plenty of crisp autumnal sunshine bathing the country. Some early fog will quickly clear away with largely dry weather continuing through the afternoon and evening. Perhaps feeling a little chilly at times with highs of 10 to 13 degrees and light winds.
TONIGHT
Cool, calm and clear heading into the evening with dry weather throughout. A little cloud will drift in at times later tonight with some mist and fog patches forming. Rather chilly too with lows 0 to 4 degrees.
TOMORROW - Monday 19th October
A chilly but bright and sunny morning with a little lingering mist or fog clearing. Staying mostly dry too with a touch of cloud drifting in over Leinster later in the morning. Some light rain or drizzle across Leinster and Munster for the afternoon but staying dry elsewhere albeit becoming cloudy. Highs of 9 to 13 degrees.
National Outlook
Overview: High pressure dominating with some dry and settled weather early on but turning a little cooler and more unsettled overall later.
Monday Night: Cloud will build in the south and east with outbreaks of rain across Leinster early evening. Staying mostly dry elsewhere before more cloud and patchy light rain spreads elsewhere later in the night. Easterly breezes and lows of 6 to 10 degrees.
Tuesday: A mix of sunshine and showers around coastal regions early in the morning with a southerly breeze. More cloud will build again in the afternoon with rain pushing in from the west, turning heavy at times too. Winds will be fresh and blustery at times with highs of 11 to 14 degrees.
Tuesday Night: Rather wet and blustery overall with fresh and gusty winds and bands of rain, heavy at times spreading further east. The rain will gradually move off later in the night to be followed by scattered showers and blustery westerly winds. Lows of 5 to 9 degrees.
Wednesday: Sunshine and scattered showers to begin with blustery westerly winds. Later in the afternoon it will turn wet and very windy with bands of heavy rain and strong westerly winds. The rain will move off later in the evening but it will be followed by a mix of cloudy and scattered blustery showers. Highs of 9 to 13 degrees.
Thursday: Looks set to remain unsettled with more showers expected, some possibly heavy at times too especially in the west.
Outlook: Looking ahead for the remainder of the week and its set to remain unsettled with showers mainly in the west together with some blustery winds at times too. Temperatures around average but a little cool at night.
Temperature circle (°C): maximum and minimum temperature forecast for each day. Wind symbol (km/h): arrow points in the direction the wind is blowing. The weather and wind icons: for the time of maximum temperature and minimum temperature.