Mild cold wave is sweeping over the districts of Kishoreganj, Pabna, Dinajpur and Chuadanga and it may continue, said a weather forecast issued by Met office on Friday.
Weather may remain dry with temporary partly cloudy sky over the country, said the forecast.
Moderate to thick fog may occur over the country during midnight to morning and it may continue till noon at places. Air navigation, inland river transport and road communication may disrupt temporarily due to fog.
Night temperature may rise slightly and day temperature may fall slightly over the country. Cold day condition is likely to prevail at places over the country.
Country's highest temperature on Thursday was recorded 27.3 degree Celsius at Teknaf while lowest temperature on Friday was recorded09.6 degree Celsius jointly at Nikli and Chuadanga.
Ridge of sub-continental high extends up to West Bengal and adjoining northwestern part of Bangladesh.
Seasonal low lies over South Bay, extending its trough to North Bay.
The sun sets at 05.30pm on Friday and rises at 06.43am on Saturday in the capital.
