Weather Ottawa, ON 17°C : °C Overcast : 11km/h NO : 101.2 kPa : 15°C : 88% : 6°C / : 18°C This afternoon 17°C Light rain This evening 16°C Variable cloudiness Tonight 7°C Cloudy periods 18°C : 20% 17°C : 30% 18°C : 80% 17°C : 80%