Rain is forecast over eastern and southern areas with heavy cloud cover on Thursday and through the weekend.
The amount of cloud will increase with towering clouds by afternoon and associated with some rain, according to the National Centre for Meteorology and Seismology.
Rain was forecast for Al Ain through Thursday with the possibility of rain continuing through the weekend. The Storm Centre website predicted lightning in areas around the city with the temperatures staying between 30°C and 43°C
There was heavy rain over Khatam Al Shaklah in Al Ain and light rain over other areas including Al Hayer, Al Jimi and Al Foah on Wednesday evening.
The heat will continue with hazy conditions over some areas with winds blowing dust and sand over exposed areas.
Humidity levels will increase at night and during early morning areas over the coast.
The sea will be moderate to rough in the Arabian Gulf and in the Sea of Oman, the centre said.
Temperatures will range from 27 to 48°C in the interior regions, 31 to 46°C along the coast, 25 to 38°C in the mountains.
The maximum humidity would be 60 to 90 per cent across coastal regions, between 45 to 75 per cent in internal areas and 30 to 60 per cent in the mountains.
The highest temperature recorded in the country was 45.3°C in Barakah on Wednesday afternoon and the lowest temperature was 21.9°C at Jebel Jais.