Clouds and Showers Today, but Sunny Skies Await the Weekend in Toronto

TORONTO – WEATHER – If you’re planning a trip to Toronto — affectionately known as the “Big Smoke” — for the Labour Day long weekend, pack for a mix of conditions. While Thursday brings some cloud cover and potential showers, the rest of the holiday weekend promises beautiful, sunny weather and comfortable temperatures — perfect for exploring the city, catching a festival, or strolling the waterfront.

Today’s Weather Overview

Current Conditions

Observed at: Toronto Pearson International Airport
Time: 7:00 AM EDT, Thursday, August 28, 2025

• Temperature: 14.8°C

• Condition: Mostly Cloudy

• Wind: West-southwest at 10 km/h

• Humidity: 73%

• Dew Point: 9.9°C

• Barometric Pressure: 101.6 kPa (Falling)

• Visibility: 24 km

Expect a mostly cloudy and humid day in Toronto, with showers developing near noon and a risk of thunderstorms this afternoon. Winds will shift to the west and increase, reaching 20 km/h and gusting up to 40 km/h by late morning.

Today’s High: 21°C
Humidex: 25 — it may feel a touch warmer than the actual temperature
UV Index: 4 or Moderate

Tonight: Mainly cloudy with a 30% chance of early evening showers. Low: 11°C

Extended Long Weekend Forecast

Expected Conditions

Friday, August 29:
Mainly cloudy with a shift to northwest winds at 20 km/h around noon. Temperatures hold steady with a high of 20°C.
UV Index: 6 or High — don’t forget sunscreen if you’re out midday.

Friday Night: Skies clear up with a cool and pleasant low of 11°C.

Saturday, August 30:
Sunshine returns in full force. Expect a high of 22°C — perfect for patios, outdoor markets, or sightseeing around the city.

Saturday Night: Clear skies continue with a mild low of 12°C.

Sunday, August 31:
A touch warmer and still sunny. High: 24°C with plenty of sun for outdoor events and activities.

Sunday Night: Clear and calm. Low: 12°C

Labour Day, Monday, September 1:
Some cloud cover moves in for a mix of sun and cloud with a high of 23°C — still great weather for enjoying the final day of the long weekend.

Monday Night: Cloudy periods with a mild low of 13°C

Wardrobe Recommendations

• Thursday: Bring a small umbrella or light waterproof jacket due to the risk of showers and possible thunderstorms. Temperatures are comfortable, so a long-sleeve shirt or light sweater is ideal.

• Friday: Slightly cooler, so bring layers, especially for breezy afternoon conditions.

• Saturday & Sunday: Time to break out your late-summer gear — light shirts, shorts, and sunglasses are perfect.

• Monday: A light jacket may be helpful if clouds roll in, but still mild and pleasant overall.

Weather Trivia

Did You Know?
Toronto’s nickname “The Big Smoke” originated from its early industrial days, when smog and smoke from coal-fired industries blanketed the skyline. Today, Toronto is one of the most environmentally progressive cities in North America, and modern air quality is significantly improved — especially when breezy conditions, like those forecast this weekend, help keep the air clear.