Humid conditions are expected to prevail in the country by tonight, the Qatar Met department has said.
The weather office has also forecast strong winds and high seas in some offshore areas in the early hours of the day.
The wind speed in these areas may go up to 24 knots at first before decreasing later in the day, with the sea level rising to 8ft in some places.
The detailed forecast also says hazy to misty conditions are expected in some inshore areas in the early hours of the day, followed by hot daytime conditions with some clouds. It will be humid by night.
Slight dust, meanwhile, is likely offshore at times, which will be followed by hazy and cloudy conditions later.
A maximum temperature of 44C is expected in Dukhan and Abu Samra, followed by 42C in Doha. Yesterday, the maximum was 45C in Dukhan, while in Doha it was 39C.