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Regional Forecast for Ulster

Issued at: 18 September 2018 17:00

TODAY - Tuesday 18th September

A blustery evening with sunny spells and isolated heavy showers.

TONIGHT - Tuesday 18th September

It will be largely dry at first tonight with clear spells. There will be heavy outbreaks of rain through the second half of the night and southerly winds will become strong and gusty with the arrival of Storm Ali. Minimum temperatures between 7 and 10 degrees.

Grass Pollen Count

More information

Solar UV Index

UV Index

TOMORROW - Wednesday 19th September

Tomorrow, Wednesday, will be a windy day – there will be strong southwest gale force winds with severe and damaging gusts, especially in the morning and early afternoon. Heavy rain in the morning will clear to showers in the afternoon. Maximum temperatures of 13 to 16 degrees.

National Outlook

Wednesday night will be dry in most places with winds easing, though some showers or rain may affect the South coast and also the Northwest coast. Lowest temperatures of 7 to 9 degrees.

On Thursday, rain will move up from the south and will affect much of the country with some heavy downpours in places, though it may be more showery in nature in Northern and Northwestern parts. Highest temperatures of 12 to 15 degrees. Rain will clear to showers on Thursday evening/night.

Friday will be cool and breezy with sunny spells and scattered showers, these mainly in the west and north. Highest temperatures of 12 to 15 degrees with moderate to fresh westerly winds, stronger along Northern coasts.

The forecast for the weekend is uncertain at this stage with the risk of further rain or showers and strong winds at times, spreading up from the Southwest. There is a chance though that high pressure may develop in Northern areas.

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