First Autumn Frost Brings Chilly Start to the Week

A cold Arctic air mass swept across Ireland overnight, bringing the first air frost of the autumn season to parts of the country, according to Met Éireann.

Mount Dillon in Co. Roscommon recorded a minimum temperature of -0.6 °C on Monday morning at 5.00am, while Kilcogy in Co. Cavan dipped to -0.7 °C.

Other areas recording sub-zero or near-freezing temperatures included Millstreet in Co. Cork at -0.2 °C, Tulla in Co. Clare at 0.3 °C, Allenwood in Co. Kildare at 0.4 °C, and Thomastown in Co. Kilkenny and Killorglin in Co. Kerry, both at 0.8 °C.

Temperatures will again drop close to freezing in sheltered inland locations overnight, with a slow warming trend expected as the week progresses.

High pressure to the northeast will keep most areas dry through Friday morning. After that, uncertainty remains regarding the exact track of the remnants of Hurricane Gabrielle as it crosses the Atlantic. Current weather models suggest that rain is likely during the latter half of Friday and into Saturday.