The weather forecast from the Met Office:

Showers across mainly northern parts of the island at this morning, but otherwise dry with bright or sunny spells then turning increasing cloud during the afternoon and some patchy rain later in the night. A fresh to strong northwest wind at first will fall to a lighter westerly during the day, temperatures up to 15 or 16 Celsius.

Rain at times on Saturday, generally dry and brighter on Sunday, with moderate south-westerly winds across both days and highs of 16 or 17 Celsius.