Temperatures in Dubai and Abu Dhabi will reach the mid-40s on Saturday, with the highest temperatures across the country are likely to be a couple of degrees hotter.
In Dubai the forecast is for 42°C high while Abu Dhabi is expected to see a 44°C maximum.
Along the coast and islands the maximum is likely to be 46°C with 85 per cent humidity, and the mountains are expected to hit 37°C with 50 per cent humidity.
The interior is expected to reach 49°C with up to 70 per cent humidity.
The National Centre of Meteorology said Saturday would be fair to partly cloudy and hazy at times during the daytime. Clouds will appear eastward and may be convective over the mountains by afternoon, with a gradual increase in temperatures. There will be light to moderate winds, freshening at times, to cause blowing dust. The sea will be slight in the Arabian Gulf and in the Oman Sea.°
