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National Forecast

Issued at: 20 September 2020 05:17

TODAY - Sunday 20th September

Mist and fog will clear this morning to give a dry day with bright spells of autumn sunshine. Highest temperatures of 15 to 21 degrees, mildest in Munster, and coolest near eastern and northwestern coasts, where mist and low cloud may be slow to clear. Light to moderate easterly breezes.

TONIGHT

Dry tonight with clear spells. Patches of mist and fog will develop in light southerly or variable breezes. Lowest temperatures of 5 to 9 degrees, coolest in the north of the country.

TOMORROW - Monday 21st September

Any lingering mist and fog patches with lift on Monday morning, although it may linger in some coastal areas. Dry and bright for most of the country. Cloud will build up in the west and northwest during the morning and afternoon. Highest temperatures of 15 to 21 degrees, warmest in the southeast, in light southwesterly breezes.

National Outlook

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.

 

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