Get those brollies out because there's some nasty weather on the cards this week.
Rain will dominate for most of the week but Ireland will bask in glorious 20-degree weather over Bank Holiday Weekend.
Today will be mostly cloud and showery with some turning heavy.
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Sunshine will develop later but it will be rather cool with the highest temperatures of 11 to 14 degrees, possibly touching 15 degrees in the south.
Showers will become isolated earlier in the night bringing a mix of cloud and clear spells. There will be some mist or fog patches developing with temperatures of 4 to 7 degrees.
Tomorrow will be mostly cloudy with more showers and a prolonged spell of rain will affect Ulster, moving into Connacht and north Leinster later.
Temperatures will range between 11 to 15 degrees.
Here is the rest of the forecast:
Tuesday night
A Met Eireann forecaster said: "Outbreaks of rain will gradually clear into the Irish Sea.
"Becoming mostly dry overnight under a broken cloud with just well-scattered showers following. Lowest temperatures of 5 to 9 degrees in a light northerly breeze.
Wednesday
"Generally cloudy with scattered showers - the odd heavy one possible. However, it will become mostly dry as of early evening with some late sunshine developing.
"Feeling mild and humid with highs of generally 15 to 17 degrees, in just light northerly or variable breezes. Staying mostly dry overnight with light winds and clear spells; cooler with lows of 5 to 8 degrees.
Thursday
"Mostly dry and calm with mild or warm sunny spells - just a few showers across Ulster. Top temperatures of 16 to 20 degrees, best values inland.
Friday
"Dry with long spells of summer sunshine and light easterly breezes. A warm day with temperatures climbing to the high teens or low 20s.
Weekend
"Current indications suggest it will be mostly dry and warm with temperatures continuing to reach the highs teens or low 20s. Later in the weekend, Atlantic rainbelts will likely push through."
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