Issued at: 19 September 2020 23:35
Dry tonight with clear spells. Winds will drop off light inland allowing some mist and fog patched to form. Cool, with lowest temperatures of 3 to 8 degrees generally, with a touch of grass frost possible northwest. Temperatures a little higher along eastern and southern coasts due to a moderate to fresh northeast breeze.
TOMORROW - Sunday 20th September
Mist and fog will clear tomorrow morning to give another dry day with bright spells of autumn sunshine. Highest temperatures of 15 to 21 degrees, mildest in Munster, and coolest near east and northeast coasts, where mist and low cloud may be slow to clear. Light to moderate easterly breezes.
Outlook Summary: Staying settled for Monday but changeable from Tuesday onwards with cooler conditions with rain and showers.
Sunday night: A dry and mostly clear night with patches of mist and fog developing in light southerly or variable breezes. Lowest temperatures of 7 to 11 degrees, coolest in the north of the country.
Monday: A dry and bright start to the day with some lingering mist and fog patches. Cloud will build up in the west and northwest during the morning and afternoon with hazier sunshine developing over much of the country. Highest temperatures of 15 to 21 degrees, coolest in the northwest, in light southwesterly breezes.
Monday night: Cloud from the west will extend over much of the country by morning. Lowest temperatures of 9 to 13 degrees in light to moderate southwesterly breezes which will freshen in the west and northwest towards dawn with patchy drizzle developing there.
Tuesday: An unsettled day as a band of persistent rain will move into western areas early in the morning, spreading eastwards during the afternoon and clearing to showers in the west in the evening. Highest temperatures of 15 to 19 degrees, mildest in Leinster, in moderate to fresh southwesterly winds veering northwesterly and easing as the rain moves through.
Tuesday night: The rain will clear eastern areas overnight, becoming a largely clear night but cloudier with showers in western areas. A cool night with lowest temperatures of 7 to 11 degrees in mostly light westerly breezes.
Wednesday: A cool and unsettled day which will start largely dry and bright for much of the country but cloud increasing in the west will extend across the country with widespread rain and showers. Highest temperatures of 11 to 15 degrees in light northwesterly breezes.
Further outlook: Staying rather unsettled with further rain and showers. Cool during the days with temperatures below average for the time of year.
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.