Forecast issued at: Wednesday 10th September 2025 12:00
Rain
It has been wetter than average across most of the country in the last week with rainfall accumulations ranging between 15.2mm at Belmullet in County Mayo and 63.2mm in Valentia in County Kerry. The week ahead will be unsettled with frequent spells of rain and showers. As a result, rainfall amounts are expected to continue above average with the highest accumulations forecast in the west and southwest. Weekly rainfall totals of 30-50mm are expected widely with up to 100mm possible in some Atlantic coastal areas.
Temperatures
Mean air temperatures were within a degree of average over the past week. Mean temperatures ranged between 13.1 at Knock Airport and 15 degrees at Shannon Airport. Mean soil temperatures have been between 1.3 and 2.2 degrees above average, ranging from 14.2 to 16.2 degrees. It will become cooler in the coming week with mean air temperatures decreasing to around 1 or 2 degrees below normal. Soil temperatures will decrease slightly over the coming week.
Sunshine
Sunshine totals were close to average across Ireland during the last 7 days. It was dullest in the northwest with 20 hours of sunshine recorded at Knock Airport, Co. Mayo. Considerably brighter in the south with 39.7 hours of sunshine recorded at Shannon Airport. The coming week will be unsettled with sunshine amounts likely to be below normal, especially in the west.
Drying Conditions
Drying conditions will be generally poor over the coming 7 days with frequent showers and rain expected.
Spraying
Spraying opportunities will be limited due to frequent showers or longer spells of rain, combined with breezy conditions at times.
Field Conditions
Soils across the north and west of the country are saturated, with poorly drained soils in these areas waterlogged. Soils elsewhere are currently dry and trafficable, with soil moisture deficits (SMDs) generally between 10 and 45mm. In the coming week, further rainfall will lead to a general deterioration in soil conditions. Most soils will become saturated or waterlogged, though SMDs in east Leinster and south Munster will remain between 5 and 15mm.
Further Comments
A potato blight advisory is in effect. Weather conditions conducive to the spread of potato blight will occur in many areas until Thursday morning (11/09/25). Forecast maps and meteograms can be found on www.met.ie -> Forecasts -> Blight Forecast. Forecast maps and meteograms can be found on Blight Forecast.
