Forecast issued at: Monday 15th September 2025 14:00
Rain
Rainfall amounts were above average across the country during the past seven days. The least rainfall was recorded at Casement Aerodrome, Co. Dublin where 14.6mm (102% of average) were recorded. The most rainfall was recorded at Valentia Observatory, Co. Kerry where 86.7mm (301% of average) were recorded. With unsettled and changeable weather, including a mix of sometimes heavy showers and longer spells of rain, forecast for the coming seven days, rainfall amounts are forecast to again be above average across the country.
Temperatures
Mean air temperatures for the last seven days were slightly below average. The warmest such temperature, 14 degrees, was at Roches Point, Co. Cork while the lowest was 11.7 degrees recorded at Knock Airport Co. Mayo. Mean air temperatures are forecast to be near normal for the coming week, ranging from 12 to 14 degrees. Soil temperatures were average or slightly above during the past 7 days, ranging from 13 to 15 degrees and are expected to stay similar for the coming week.
Sunshine
Sunshine amounts were above average across most of the country during the past seven days. The exception was at Knock Airport, Co. Mayo where just 21.1 hours (84% of average) were recorded. In contrast, 47.3 hours (152% of average) were recorded at Cork Airport, Co. Cork. With unsettled and mixed conditions forecast for the coming week, there should be some sunshine.
Drying Conditions
Drying conditions will be moderate for a time tomorrow, Tuesday, and for much of Wednesday once the overnight rain clears. Otherwise, drying conditions are expected to be poor or very poor with showers or spells of rain forecast.
Spraying
There will be some opportunities for spraying tomorrow, Tuesday, and over the northern half of the country on Thursday. However, with unsettled conditions, including wet and windy weather, forecast for the coming week, spraying conditions will be limited in general.
Field Conditions
Soils are currently driest in parts of Leinster and east Munster where soil moisture deficits (SMDs) are between 14 and 31mm. In contrast, soil moisture deficits are between 0 and -10mm elsewhere, i.e. saturated or waterlogged. With rain and showers forecast for the coming days, soils across the country which are not already saturated or waterlogged are expected to become so.
Further Comments
Weather conditions conducive to the spread of potato blight will develop in parts of Munster on Wednesday 17th September. Forecast maps and meteograms can be found on Blight Forecast.
