National Forecast
Issued at: 18 October 2026 18:30
TODAY - Sunday 18th October
This evening will be dry with clear spells in light variable winds.
TONIGHT
Tonight will be cold and dry with clear spells and with some mist and fog patches forming. Cloud will increase in the east and southeast overnight and also along parts of the west coast. Lowest temperatures of -1 to +4 degrees with frost developing in some inland areas.
TOMORROW - Monday 19th October
Tomorrow morning, any mist, fog or frost will clear with sunny spells developing. However, cloud will spread from the southeast through the day with outbreaks of rain and drizzle affecting parts of the east and south. Highest temperatures of 9 to 13 degrees in a light east to northeast breeze.
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.