"The minimum temperature at 8.30 AM was 11 degrees Celsius, three notches above normal. The humidity was 97 per cent," a MeT official said.
Visibility at 8.30 AM was recorded at 300 metres. Foggy conditions resulted in delay of 15 Delhi-bound trains and cancellation of 45 trains while flight operations were reported to be normal.
The weatherman has predicted a clear day ahead with possibility of mercury settling around 23 degrees Celsius.