The weather will be "fair in general" but there's a chance of some clouds with a probability of rainfall by afternoon eastward, the National Centre for Meteorology said.
Temperatures in Abu Dhabi are expected to exceed the 40°C mark, with Dubai just a couple of notches back at 39°C.
Humidity in Abu Dhabi could reach 85 per cent, but Dubai should only see a maximum of 75 per cent.
It will be humid on Sunday night and into Monday morning over some coastal areas with the likelihood of mist.
Light to moderate winds, freshening at times, will blow dust during the daytime.
Conditions will be slight in the Arabian Gulf and in Oman Sea
Updated: May 16, 2021, 4:43 AM