Some frost and fog will develop under clear skies overnight for some parts of Co Kildare.
It will be cold overnight with lowest temperatures of -1 to +2 degrees, with winds easing overnight.
Some fog may be slow to lift tomorrow morning but otherwise it will be a largely dry and bright day with some sunshine. Cloud will thicken from the west later in the day followed by outbreaks of rain. Highest temperatures of 8 to 10 degrees.
Moderate south to southwest winds will freshen with the arrival of the rain.
On Sunday night rain will continue for a time. A clearance to showers will follow in the west. Breezy with fresh southerly winds veering northwest as the rain clears.
Minimum temperatures of 3 to 5°C, possibly closer to freezing over Ulster.