The Oshawa weather forecast calls for mainly cloudy skies on Tuesday, September 15, with a 30 per cent chance of showers late in the morning and early in the afternoon.
Environment and Climate Change Canada forecasts a high of 22 C and a humidex of 25. South winds are expected to reach 20 km/h with gusts to 40 km/h during the morning.
High UV index despite cloud cover
The federal forecast lists a UV index of 6, rated high. People spending time outdoors should use sun protection even with mainly cloudy conditions.
Tuesday night is expected to remain mainly cloudy with a 40 per cent chance of showers. Southwest winds near 20 km/h should become light during the evening, and the low is forecast at 18 C.
Warmer Wednesday ahead
Wednesday is forecast to bring a mix of sun and cloud, a high of 26 C and a humidex of 30. Clear skies and a low of 10 C are forecast Wednesday night.
Forecasts can change as new observations arrive. Residents should check the latest federal forecast before travel or outdoor plans.
























