Light to moderate fog may occur at places over the country during late night to early morning, Bangladesh Meteorological Department (BMD) said.
About the synoptic situation, BMD said seasonal low lies over South Bay, extending its trough to Northeast Bay.
Another trough of westerly low lies over Sub-Himalayan West Bengal and adjoining area, Met officer said.
Night temperature may rise slightly and day temperature may fall slightly over the country.
Also read: Rain, thundershowers likely