Oshawa weather is expected to stay mainly cloudy on Saturday, November 7, 2026, with showers becoming more likely in the afternoon.
Environment Canada’s 5 a.m. forecast gives a daytime high of 9 C. The chance of showers rises from 30 per cent to 70 per cent this afternoon, while the UV index remains low at 2.
Saturday night
The evening forecast calls for cloudy skies and a 30 per cent shower chance. Winds are expected to become westerly at 20 km/h late in the evening, with an overnight low of 5 C.
Sunday outlook
Sunday is forecast to begin with a mix of sun and cloud before turning cloudy late in the morning. The high is 10 C, with southwest winds of 20 km/h gusting to 40.
These figures are the official forecast for Oshawa, not a guarantee of identical conditions across every Durham municipality. Residents planning outdoor activities should check the live forecast before leaving.
