From Humid Showers to a Sunny Sunday: Toronto’s Weather Keeps Things Interesting for the Long Weekend

TORONTO – WEATHER REPORT – If you’re planning your Victoria Day long weekend in Toronto, you might want to keep the umbrella and sunglasses side by side. The extended forecast offers a classic spring combo platter of humid showers, the odd thunderstorm, and, eventually, some refreshing sunshine by Sunday and Monday.

At 6:00 AM EDT, Toronto Pearson International Airport is reporting partly cloudy skies and a balmy 13.8°C. Humidity is at a muggy 92%, with a light east breeze at 3 km/h. The barometric pressure is holding at 101.0 kPa but trending downward, which means the showers are warming up in the wings.

Weekend Forecast: Muggy Start, Showery Middle, Sunny End

Today will be mainly cloudy with a 30 percent chance of showers. Thanks to the rising humidity, it’ll feel sticky, with a high of 24°C and a humidex of 29. The UV index will be high at 7, even if the sun takes some coaxing to break through.

Tonight will stay partly cloudy with a 30 percent chance of showers lingering into the evening and after midnight. Showers will begin overnight, with the added risk of a thunderstorm. The overnight low will hold steady at 14°C.

Friday will begin with a few showers ending in the morning, followed by a mix of sun and cloud and a 30 percent chance of more showers lingering throughout the day. There is still a risk of a thunderstorm early in the morning. Winds will shift to the southwest at 20 km/h around noon, helping boost the high to a sultry 27°C, with a humidex of 30. The UV index will ramp up to a very high 8. Friday night will bring increasing cloudiness with a low of 13°C.

Saturday will lean toward the gloomy side with a 60 percent chance of showers and a more seasonable high of 21°C. The night will see cloudy periods with a 30 percent chance of showers and a low of 9°C.

Sunday will bring a refreshing break from the humidity, with sunny skies and a crisp high of 15°C—perfect weather for lakeside strolls and patio brunches. The night will remain clear with a cool low of 3°C.

Victoria Day Monday will be a bit of a wildcard, with a mix of sun and cloud and a 30 percent chance of showers sneaking back in. The high will reach 17°C, followed by a clear and pleasant night with a low of 5°C.

Perfect Planning? Pack for Everything Toronto Has to Offer

Whether you’re heading to the cottage, staying in the city, or catching fireworks at Ashbridges Bay, it’s best to layer up and keep the umbrella handy through Saturday. The weekend will hit its sweet spot Sunday into Monday, offering a more traditional spring feel with sunshine and comfortable temperatures.

Toronto Weather Trivia

Did you know? Victoria Day weekend is known as Toronto’s “patio test run”—and historically, it’s just as likely to be drenched in rain as bathed in sunshine. This year is giving us a bit of both, as is tradition.