Today
Humid once again today with quite extensive mist and fog to start. Some sunshine breaking through this morning but in general it will be cloudy with scattered outbreaks of rain. Heavy downpours will develop in places during the afternoon with the risk of thunder and localised spot flooding.
The rain will be heaviest and most persistent across the northern half of the country. A clearance will reach the southwest in the evening and it will turn noticeably fresher here.
Top temperatures of 18 to 22 degrees in moderate southeast winds, which will veer southwest during the evening.
Tonight
Heavy rain with thundery bursts will continue for a time across Ulster and north Leinster early in the night but will clear away to the northeast soon after midnight. Cooler, clearer weather with isolated showers will then extend to all regions.
Minimum temperatures of 10 to 13 degrees in moderate southwesterly winds.
Weather warning
Rainfall warning for Connacht, Cavan, Monaghan and Donegal
Some very heavy or thundery downpours are likely at times on Tuesday, mainly in parts of Connacht and Ulster with local spot flooding.
Warning valid from 11am to 9pm.
