Cloud will build up in north Gran Canaria during the week and showers are likely from Wednesday. The south may get some cloudy patches on Thursday and Friday but rain is unlikely.
If you're heading up into the Cumbres, the southern highlands will be sunny but the north may well be shrouded in mist.
Temperature will be as high as 24ºC during the day (it'll feel warmer on the beaches) with nighttime temperatures down to 16ºC.
Calm seas and little wind in the south of the island. The north will get decent surf waves.