Today: Mostly cloudy with rain at times over Fermanagh, Tyrone and across much of County Londonderry. Mainly dry in the east with the best of the brightness around Belfast and Newry, though increasing chance of rain in east through the afternoon. Maximum temperature 13 °C. Tonight: Mostly dry in east in evening otherwise cloudy with outbreaks of mainly light rain, though perhaps some heavy rain for a time in the west. Moderate south or southeast winds. Minimum temperature 5 °C. Tuesday: Cloudy with patchy rain but mostly fizzling out through the afternoon with some brightness developing in the north, then clear spells later as winds turn northerly and perhaps freshen. Maximum temperature 11 °C. Outlook for Wednesday to Friday: Dry and settles, with sunny or clear spells on Wednesday, Thursday and Friday, but rather cool out of the sunshine and chilly at night with a frost possible.