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Issued at: 30 September 2020 16:00

TODAY - Wednesday 30th September

A mix of cloud and sunny spells for the rest of today in light to moderate northwest breezes. Scattered showers will become isolated and the best of the sunshine will be in the west.


Cold tonight with a mix of clear spells and showers. The showers will be isolated at first but become more widespread in the western half of Connacht as the night wears on. Some will be heavy and possibly thundery with hail. Lows of 1 to 5 Celsius with a touch of frost in places. Coldest in the east. Northwest winds will become light southerly or variable in direction, and some mist or fog patches will form.

Solar UV Index

Low on Thursday and on Friday.

UV Index

TOMORROW - Thursday 1st October

Tomorrow, Thursday, will bring a mix of sunny spells and widespread showers. Some of the showers will be heavy with hail and possibly thunder. Any mist, fog and frost will clear during the morning but the day will be rather cool with highs of just 10 or 11 Celsius in light southerly or variable breezes.

National Outlook

Summary: Cooler and more unsettled overall.

Thursday night: Showers will become mainly confined to the east and north with long clear spells developing elsewhere. Lows of 2 to 6 degrees with some grass frost possible. Winds will be light to moderate, northerly in direction.

Friday: Many places will have a dry and bright day on Friday with sunny spells. However, showers will likely affect parts of Leinster, northwest Connacht and west Ulster during the morning, but it should become dry in most areas through the afternoon and evening. Top temperatures of 12 to 14 degrees. Light to moderate northerly winds will be fresh at times in the south, strong and gusty on southern coasts. Largely dry with a mix of cloud and clear spells on Friday night. The odd light shower is possible in western and northern coastal areas. Lows of 4 to 8 degrees. Some patches of mist and fog may form in the light to moderate north to northwest breezes.

Saturday: Dry and bright in many areas at first on Saturday with sunny spells, once early mist and fog patches clear but wet and windy weather looks likely to spread from the northeast during the day, although there is still some uncertainty in the exact timing. Cloud will thicken from the northeast and rain will develop in parts of Ulster and Leinster. It will become cloudy further south and west also, with rain arriving there too, possibly overnight. Heavy falls are likely, and there is potential for flooding. Northwesterly winds will be moderate to fresh over land, strong to gale force at the coasts. Highest temperatures of 11 to 13 degrees.

Sunday: Heavy rain looks likely to become increasingly confined to Munster and south Leinster during Sunday, with drier conditions developing further north. It will remain windy with blustery northerly winds. Highs of 10 to 14 degrees.

Early next week: Current indications suggest a brief window of a drier more settled spell on Monday, but turning more unsettled again from Tuesday onwards.


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