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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Toronto Post Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
The live forecast above shows temperatures around -5°C with a wind chill near -12°C, making it feel significantly colder than the air temperature. This marks a return to typical January chill across southern Ontario after a brief mild spell.
What do the key numbers mean for today?
Wind speeds at 25–30 km/h create the biting wind chill, while humidity lingers near 70%. Skies remain mostly cloudy with a 30% chance of light flurries, but accumulation will be minimal. The UV index stays low at 1, and barometric pressure is dropping, indicating a weak system moving through the region.
How does this affect outdoor plans and safety?
Exposed skin can develop frostbite in under 30 minutes at this wind-chill level. Limit time outdoors and dress in layers. Roads may have icy patches, particularly on untreated side streets and bridges. For current alerts and lane closures, check our Weather Warning page.
Will this cold snap last through the weekend?
Environment Canada’s outlook suggests a moderating trend by Saturday afternoon, with highs near 0°C and decreasing wind. Overnight lows will remain below freezing, but daytime wind chills will ease.
Is it safe to walk my dog in these conditions?
Short walks of 10–15 minutes are fine if your dog is a cold-tolerant breed. Watch for shivering or lifting paws; wipe salt and ice from their pads afterward. Limit exposure for small or short-haired pets.
Should I expect flight delays at Pearson?
Current conditions are within normal winter operations, but wind gusts near 35 km/h may cause minor arrival holds. Check your airline for real-time updates. Local driving conditions could change quickly.
For the latest hourly updates and a seven‑day trend, visit our Toronto Weather page.