The day will be fair in general and partly cloudy at times, the National Centre of Meteorology has said.
There is a chance of the formation of some convective clouds eastward by afternoon. Light to moderate winds will blow, freshening at times, causing blowing dust during the day.
Temperatures could be as high as 46ºC in the country. Mercury is set to rise to 42ºC in Abu Dhabi and 39ºC in Dubai.
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However, temperatures could be as low as 30ºC in Abu Dhabi and 32ºC in Dubai and 22ºC in mountainous regions.
It will be humid by night and Saturday morning with a chance of fog or mist formation over some Western areas. Levels will range from 20 to 85 per cent in Abu Dhabi and from 20 to 75 per cent in Dubai.
Conditions at sea will be slight in the Arabian Gulf and in the Oman sea.