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Easnaimh Thaise na hIthreach

Forecast issued at: Tuesday 14th July 2020 15:00


Warning issued at: 2020-07-14 15:00:00
Update: Weather conditions conducive to the spread of blight at times over Ireland, through to Friday inclusive, most prevalent in the northwest.


Rainfall accumulations over the past week have been above average for much of the country, with just the far NW and far SE drier than average. Southwestern areas received the most rainfall with 50mm recorded at Valentia and 40mm at Shannon Airport. That's 2 to 3 times the normal weekly July amounts. The far north was driest, with only 9mm recorded at Malin Head, that's 50% of normal. The week ahead will be drier than average in all areas bar the NW. 15 to 25mm is forecast in the NW and W – which is around normal. All other areas will see less than 10mm (most areas less than 5mm) with much of that falling today and on Friday night.


It was a cool week with mean air temperatures over the past week between 1 and 3 degrees below average countrywide. Mean temps 12.5 degrees in the north, 14 degrees in the south. Ballyhaise recorded a mean temperature of 12.5 degrees (2.7 degrees below average). The coming week will trend near to slightly below average, between zero and 2 degrees cooler than normal. 13 degrees in the NW, 15.5 degrees in the SE. Soil temperatures are close to normal. Between 14 and 16.5 degrees across the country, and they are expected to remain near normal for the coming week.


Sunshine amounts over the last week were generally slightly below average. It was dullest at Dublin Airport with just 19 hours of sunshine (50% of expected). The sunniest part of the country was west Munster with almost 32.2 hours of sunshine at Cork Airport (84% of expected). Sunshine amounts will be lower than normal for the coming week. Rather dull conditions until Friday, with sunny spells over the weekend and early next week.

Drying Conditions

Wednesday and Thursday will offer some drying, with tempertures rising to high teens or low twenties, but not great conditions as it will be rather cloudy, especially in the west and north where there will be some light rain and drizzle also. Further rain spreading from the west on Friday into Saturday. Sunny spells and mostly dry weather with a light westerly breeze will improve drying from Saturday into early next week.


There will be some opportunities for spraying this week (especially in parts of the south and east of the country) with dull but mostly dry weather and winds light to moderate westerly. Wednesday and Thursday will be mostly dry, but there will also be patchy drizzle, particularly for western and northern counties. Some rain Friday (west) and early Saturday, will give way to sunny spells and mostly dry conditions from later Saturday into early next week. Best days for spraying, likely Wednesday/Thursday and Sunday.

Field Conditions

Soil moisture deficits have reduced over much of the country ranging 5 and 20mm generally but up to 50mm in parts of south Leinster. Away from the northwest and west of the country SMDs are expected to gradually rise over the coming week due to the below average rainfall amounts forecast.

Agricultural Data Graphs

Soil Moisture Deficits

Déantar Easnaimh Thaise na hIthreach (SMD) (mm) a ríomh le haghaidh trí chineál ithreach: draenáilte go maith, draenáilte go measartha agus gan mórán draenála déanta uirthi. Le haghaidh tuilleadh eolais maidir leis an gcaoi a ríomhtar Easnaimh Thaise na hIthreach, cliceáil anseo.

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