Weak low pressure is affecting the area.
Wednesday will be partly cloudy which may lead to scattered showers with the possibility of thunderstorms, mainly in the mountains and inland.
There will be light dust in the atmosphere at intervals.
Temperatures will rise to 32 C inland and on the south and east coasts, around 28 C on the remaining coasts and 22 C in the mountains.
Tonight will be mainly fine but there will be intervals of increased cloud. Temperatures will fall to 17 C inland, around 19 C on the coasts and 15 C in the mountains.
Thursday, Friday and Saturday will start off mainly fine but clouds that develop in the afternoon may lead to scattered showers and thunderstorms, mainly in the mountains and inland.
Temperatures will edge down and by Saturday will fluctuate to close to average for the time of year.