National Forecast

Issued at: 30 July 2026 05:00

TODAY - Thursday 30th July

Today will be a brighter and fresher day with spells of sunshine and scattered showers, mainly affecting Connacht and Ulster. Highest temperatures ranging from 15 degrees in the northwest to 22 degrees in the southeast with light to moderate westerly winds.

TONIGHT

Tonight will be dry for most with clear spells, though well scattered showers will continue in the west and north. Lowest temperatures of 7 to 10 degrees in a light southwesterly or variable breeze.

TOMORROW - Friday 31st July

Tomorrow, Friday, will be a bright day with scattered showers spreading across the country from the west. The odd sharp shower is possible in Ulster but they will ease by evening. Highest temperatures of 15 to 21 degrees, warmest in the south and southeast, with light southwesterly winds increasing moderate westerly through the day.

National Outlook

Overview: Mostly dry on Saturday but turning more unsettled on Sunday and Bank Holiday Monday with outbreaks of rain developing.

Friday night: Mostly dry with clear spells and just isolated showers. Turning somewhat cloudier in the northwest later. Lowest temperatures of 8 to 11 degrees in a light southwest breeze.

Saturday: Remaining mostly dry on Saturday with sunny spells and isolated light showers. Highest temperatures of 17 to 21 degrees in a light to moderate westerly breeze.

Saturday night: Largely dry but becoming cloudier from the south overnight with light rain and drizzle developing in the southwest by morning. Clear spells will persist in northern areas but some mist and fog will form there in a light variable breeze. Lowest temperatures of 9 to 13 degrees, mildest in the south.

There is some uncertainty in the forecast for the rest of the August Bank Holiday weekend.

Current indications suggest that Sunday will be a cloudier day with outbreaks of rain and drizzle, though the northern half of the country may be drier with sunny spells possible. Highest temperatures of 17 to 21 degrees in a light easterly breeze.

Bank Holiday Monday will be cloudy for most with the potential for more widespread rain. Highest temperatures of 15 to 20 degrees in light to moderate north to northeast winds.

Further outlook: Conditions will be changeable next week with rain and showers at times, but long dry interludes also. Temperatures will generally remain in the high teens or low twenties.