Southern Ontario will experience a typical spring day on Sunday, March 22, 2026, marked by light showers, overcast skies, and mild temperatures. For residents of Durham Region, the day will bring some rain in the morning, followed by clouds and a slight chance of flurries in the evening. As we move into the weekend, temperatures will remain on the cooler side for this time of year, with highs around 5°C during the day and a cold dip overnight.
The day will begin with overcast skies and light rain in Durham, starting in the early hours of the morning. For early risers hoping to enjoy the sunrise, unfortunately, the clouds will cover the skies as the sun rises at 7:15 a.m. The rain will continue throughout the morning, tapering off by the afternoon, leaving behind cloudy skies for the rest of the day. Despite the rain, daytime temperatures will remain mild, peaking at around 5°C in Durham, though winds will pick up as the day progresses, reaching speeds of up to 40 km/h.
As we head into the evening, the weather will cool down, and a 30% chance of flurries or light rain will linger in Durham. The clouds will remain thick, and the winds will continue to gust, making it feel chillier than the actual temperature. The region’s overnight low will drop to -3°C, making for a cold night ahead.
Other parts of southern Ontario will also experience similar conditions. In Hamilton, the weather will be slightly warmer, with temperatures reaching 9°C in the afternoon. However, the city will experience showers and gusty winds throughout the day, with wind speeds expected to reach 40 km/h. By evening, Hamilton will remain cloudy with a 40% chance of additional rain, and temperatures will dip to -1°C overnight.
In Mississauga, Brampton, and Halton, rain will be the dominant weather condition. Expect periods of rain throughout the day, with temperatures climbing to 7°C. These regions will also experience gusty winds, with wind speeds reaching 40 km/h, contributing to a chilly feeling despite the rain. By sunset, which occurs at 7:29 p.m., the rain will taper off, leaving behind cloudy skies. However, there’s still a 30% chance of snow or light rain during the evening, which will make the air feel even cooler.
For those traveling or spending time outdoors, it’s important to be prepared for the wet and windy conditions. If you plan to be out in the early morning, make sure to dress warmly and carry an umbrella to shield yourself from the light rain that will persist through the day. As the day progresses, conditions will remain overcast, and temperatures will gradually cool, with a chance of snow flurries toward the evening.
In Toronto, Niagara, and other nearby regions, the weather will remain similar, with cloudy skies and mild temperatures. The chance of rain or snow will be low, but the cooler conditions will remain throughout the day.
By the time the sun sets and the evening progresses, the weather across southern Ontario will become quieter, though chilly conditions will persist. Be prepared for temperatures to dip below freezing overnight in some areas, especially in Durham, Hamilton, and surrounding areas.
