Ulster

Issued at: 30 September 2026 12:00

TODAY - Wednesday 30th September

A mix of cloud and sunny spells today with scattered showers. Some will be heavy with a chance of isolated thunderstorms. Highest temperatures of 15 to 17 degrees. Moderate to fresh and gusty southerly winds, stronger near coasts, will decrease mostly moderate away from the west and northwest coasts later today.

TONIGHT

Becoming dry in most parts early tonight as showers become confined to the west coast. Clear spells overnight with lowest temperatures ranging 6 to 9 degrees. Light to moderate southerly winds will be fresher at times near the west and northwest coasts.

Solar UV Index

Low today and on Thursday

UV Index

TOMORROW - Thursday 1st October

Largely on Thursday with sunny spells and just a few isolated showers. Outbreaks of showery rain will develop in west Ulster during the late afternoon, and spread eastwards during the evening. The rain may be heavy at times. Highest temperatures of 14 to 16 degrees in moderate southerly winds, increasing fresh to strong near the west and northwest coasts.

National Outlook

Overview: Mixed conditions with rain or showers at times. Some decent dry spells over the weekend also.

On Thursday night, rain will spread eastwards across Ireland. It will clear to the east by morning with showers following from the west. Lowest temperatures of 11 to 14 degrees with mostly moderate southerly winds

Friday will bring bright or sunny spells and showers, some possibly heavy. Showers will mostly clear to the east in the evening. Highest temperatures of 14 to 18 degrees with moderate southwest winds. Friday night will be mainly dry and quite chilly with clear spells, light breezes and lowest temperatures of 5 to 8 degrees.

Saturday will be mainly dry with bright or sunny spells, the best of these over Munster and Leinster. Highest temperatures of 15 to 18 degrees with moderate south to southwest winds.

Sunday will be a cloudier day with showery rain in the west and north during the morning, extending southeastwards through the afternoon. Highest temperatures of 15 to 19 degrees with moderate west to southwest winds.

Current indications suggest that Monday will be mild and mainly dry with highest temperatures of 16 to 20 degrees and moderate west to southwest winds.