Light rain or drizzle is likely in different parts of the country commencing 9 am on Monday.
"Light rain or drizzle is likely at many places over Khulna, Barishal & Chattogram divisions; at a few places over Dhaka & Sylhet divisions and at one or two places over Rangpur, Rajshahi & Mymensingh divisions," said a bulletin of Bangladesh Meteorological Department (BMD).
Night temperature may fall slightly over the country. Day temperature may rise slightly over the northern part and it may slightly fall elsewhere over the country, the bulletin added.
According to the Met office, a trough of westerly low lies over Sub-Himalayan West Bengal & adjoining area. Seasonal low lies over South Bay, extending its trough to North-west Bay.
Meanwhile, the country's lowest temperature was recorded at 11°C in Tetulia of Rangpur division in the last 24hrs, it added.