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An Mhumhain

Issued at: 27 September 2020 06:00

TODAY - Sunday 27th September

A bright start to the morning with hazy sunshine as any frost clears away quickly. Cloud with steadily move in from the Atlantic through the morning and afternoon ahead of patchy rain and drizzle moving into western counties in the evening. Highest temperatures of 14 to 17 degrees in light southwesterly breezes, freshening on Atlantic coasts later.


Cloudy tonight, as rain and drizzle becomes widespread, most persistent in western coastal counties with more scattered outbreaks further inland. Milder than recent nights with lowest temperatures of 10 to 13 degrees. Light to moderate southerly breezes will be fresh to strong on Atlantic coasts.

Solar UV Index

Moderate in any sunshine on Sunday and Monday.

UV Index

TOMORROW - Monday 28th September

Monday will begin damp as light rain and drizzle continues to clear eastwards during the morning. Sunny spells and well scattered showers will follow. Warmer than recent days with highest temperatures of 15 to 18 degrees in moderate southerly breezes, veering westerly as the rain clears and easing through the day.

National Outlook

SUMMARY: Mostly dry to start but becoming quite unsettled from midweek with heavy rain and strong winds at times. Turning cooler later in the week.

Monday night: Mostly dry on Monday night with long clear spells and isolated showers, mainly in the west. Lowest temperatures of 4 to 8 degrees, coolest in the eastern half of the country, in light westerly breezes, backing southerly overnight. Mist and fog patches are likely to form towards dawn.

Tuesday: Generally dry for Tuesday with sunny spells and well scattered showers, most frequent in the north and west. Highest temperatures of 12 to 15 degrees in light to moderate southerly breezes. However, cloud will increase in the west later in the day as it pushes in from the Atlantic ahead of rain moving in late evening with freshening winds on western coasts.

Tuesday night: A wet and windy night as persistent rain in Atlantic coastal counties will move eastwards, heavy at times especially over the southern half of the country. Lowest temperatures of 8 to 13 degrees, coolest in Ulster and Leinster, in a fresh southerly wind, strong on Atlantic coasts.

Wednesday: A wet and blustery start to the day as rain continues to move eastwards clearing into the Irish Sea but further heavy and frequent showers or longer spells of rain will continue to feed across the country from the Atlantic. Highest temperatures of 11 to 15 degrees in moderate to fresh southerly winds, strong on coasts, veering westerly during the morning and moderating towards evening.

Wednesday night: Showers or longer spells of rain will ease during the night with mostly moderate westerly breezes. Lowest temperatures of 3 to 7 degrees.

Thursday: Blustery to start on Thursday with moderate to fresh westerly winds, still with scattered showers, becoming more isolated during the day with sunny spells as winds decrease mainly light southwesterly. Cool with highest temperatures of just 10 to 13 degrees. There is some uncertainty in the forecast but further rain is expected to move in during the evening with some heavy falls and blustery conditions.

Friday: Friday will be a cool and fresh day with sunny spells and further spells of rain and showers. Highest temperatures of 8 to 12 degrees in mainly moderate northerly winds, becoming blustery later.

Further outlook: Remaining unsettled for the weekend with further spells of rain and showers and strong winds at times. Staying cool as well with highest temperatures not reaching above 12 or 13 degrees.


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