The sky will be bright and sunny in Ottawa today, but a bit of a chill will be in the air. Environment Canada’s weather forecast for the capital calls for a high of 13 C on Tuesday. A frost advisory that was issued on Monday remained in effect for part of Tuesday morning, with a low around 3 C. The advisory ended just before 10 a.m. Tuesday. Tuesday evening is looking clear, with increasing cloudiness after midnight and a 40 per cent chance of showers. The overnight low is 5 C. Wednesday is looking cloudy with a 40 per cent chance of showers and a high of 18 C, about four degrees above the seasonal average. Thursday’s forecast is cloudy with a 40 per cent chance of showers and a high of 17 C. A bit of sunshine could peek out between the clouds on Friday, despite a 40 per cent chance of showers, and a high of 14 C.