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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: Turning unsettled for the rest of the week with rain or showers and cooler conditions.

Monday night: Cloud from the west will extend over much of the country by morning. Lowest temperatures of 9 to 12 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 in the afternoon, spreading eastwards during the day and clearing to showers in the west in the evening. Highest temperatures of 15 to 18 degrees, 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. Lowest temperatures of 6 to 9 degrees in mostly light west to northwest breezes.

Wednesday: A cool and unsettled day with showers becoming widespread through the afternoon. Highest temperatures of 11 to 13 degrees in light northwesterly breezes.

Wednesday Night: Further showers or longer spells of rain will affect mainly western parts of the country on Wednesday. A cold night with temperatures of 2 to 6 degrees with grass frost possible. Light variable wind with patches of mist and fog forming in the eastern half of the country.

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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