Light to moderate rain/thunder showers accompanied by temporary gusty wind is likely to occur in Dhaka, Rajshahi, Mymemsingh and Khulna divisions.
The weather is likely to remain mainly dry with partly cloudy skies elsewhere in the country, the Met Office said on Saturday.
According to the Meteorological Department, the extension of western low pressure is located over West Bengal and adjoining areas of India.
Seasonal normal low pressure is located over South Bay of Bengal.
Night and day temperatures may increase by 1 to 2 degrees Celsius across the country.
The relative humidity of the air in Dhaka at 6am on Saturday was 90%.
The sun will set in Dhaka at 5:58pm while sunrise on Sunday will be at 6:25am.
Teknaf recorded the highest temperature across the country on Friday at 31.02 degrees Celsius while the lowest temperature was in Tetulia at 9.0 degrees Celsius.
