Mainly fine with increased cloud coverage at times on Friday and with the Met Service issuing a yellow warning for very high temperatures in effect till 5pm.
Winds will be variable, light to moderate, 3 to 4 Beaufort over smooth to slight sea waters.
The temperature will rise to 42 degrees Celsius inland, 33 C in the mountains and the west coast and 35 C in all other coastal areas.
The fire hazard is extremely high, according to the Forestry Department.
