The weather forecast for March 26, 2026 predicts rain and a risk of thunderstorms in parts of southern Ontario, including Durham Region. According to Environment Canada, Thursday will see cloudy skies in the morning with a 40% chance of showers in the afternoon for areas including Oshawa, Whitby, and Pickering.
In the Greater Toronto Area (GTA), which encompasses Durham Region, periods of rain are expected to begin in the late afternoon, potentially accompanied by thunderstorms. The rain will continue into the evening, with gusty winds reaching up to 50 km/h. The high for the day is expected to be around 11°C, with a moderate UV index of 4, which may lead to brief sun breaks during the day before the storm system moves in.
Oshawa, Whitby, and Ajax will experience periods of rain as well, making it an ideal day to stay prepared for sudden weather changes. By late afternoon, thunderstorms are possible in parts of Hamilton, Niagara Falls, London, and Windsor, which could extend to other areas of southern Ontario, including Durham Region.
As the rain continues into the evening, temperatures will drop to -7°C in Mississauga, with the wind chill making it feel closer to -13°C. Wind gusts of up to 50 km/h could make the evening feel even colder, so residents are advised to bundle up and prepare for the chill if heading outdoors.
The weather will improve slightly by Friday, when sunny conditions are expected in Mississauga, with temperatures around 3°C during the day. However, cloudy skies are expected to return by the weekend, with a 40% chance of flurries in Mississauga, signaling the continued unpredictable nature of spring weather in southern Ontario.
For those in Durham Region, it’s important to stay updated on the weather as thunderstorms and heavy rains may affect daily routines. Drivers are particularly advised to exercise caution on the roads, especially with the possibility of wet and slippery conditions as the rain begins.
Whether you are in Oshawa, Whitby, or Pickering, make sure you are prepared for rainy weather and thunderstorms that could disrupt your plans on March 26. With spring storms being common in southern Ontario, it’s a good idea to monitor Environment Canada’s updates throughout the day to stay informed.
