Oshawa Sunday weather is expected to be mainly sunny, with a daytime high of 15 C and a clear night ahead, according to Environment Canada’s October 18 forecast.
The forecast issued at 5 a.m. EDT calls for southwest winds to increase to 20 km/h, with gusts reaching 40 km/h during the morning. The UV index is forecast at four, or moderate.
At 9 a.m., Oshawa Executive Airport reported sunny conditions and a temperature of 5.1 C. No weather alerts were listed for the location when checked.
For tonight, Environment Canada expects a low of 4 C. Southwest winds of 20 km/h, gusting to 40, are forecast to ease near midnight.
Monday is forecast to be sunny with a high of 18 C. These figures come from the official Oshawa location forecast. A regional automated news roundup gave a different daytime high; the location-specific primary forecast is used here.
Residents should check the latest official forecast for changes. Oshawa Sunday weather conditions may vary elsewhere across Durham Region.
Featured image: original editorial illustration, not documentary photography.




