Conditions will mainly be sunny but the UAE will probably see some cloud and fog over western areas on Tuesday.
The National Centre of Meteorology forecasts humidity levels rising by the evening and Wednesday morning.
Top temperatures could reach 43°C in Dubai and 44°C in Abu Dhabi on Tuesday, the weather bureau said.
In some parts of the country, particularly in coastal regions, humidity levels are expected to hit as high as 90 per cent, it said.
Conditions will be slight to moderate in the Arabian Gulf and the Sea of Oman.
