Cloudy skies are expected across London on Thursday, with rain moving into the area overnight ahead of a chilly weekend. CTV News London meteorologist Julie Atchison says the city should remain mostly dry through the day, with some sunny breaks and a forecast high of 16 C. Showers are expected to arrive after 8 p.m., followed by steady rain and gusty winds Friday morning. Between 10 and 15 millimetres of rain could fall before conditions ease to showers Friday afternoon. A cold front is expected to move through the area Friday evening, bringing a sharp drop in temperatures for the weekend. Daytime highs are forecast to range from 10 to 15 C, with overnight lows falling to between 1 and 2 C. Atchison says the colder air will bring some of the coolest temperatures of the season so far, but conditions are expected to clear, bringing sunshine back to the region. A mix of sun and cloud is forecast for Monday, Tuesday and Wednesday, with temperatures gradually recovering to a high of about 18 C by midweek.