Environment and Climate Change Canada (ECCC) issued an Extreme Cold Warning for Oshawa, Ontario, on February 7, 2026, as an Arctic air mass moves through the region. Wind-chill values are expected to reach between −30°C and −34°C, creating a high risk for frostbite and hypothermia.
ECCC forecasts the most dangerous conditions to occur from Saturday night into Sunday morning, with wind chills expected to peak near −34°C between about 2:00 a.m. and 6:00 a.m. on Sunday. Health Canada warns that at wind-chill values between −28°C and −39°C, exposed skin can freeze in as little as 10 to 30 minutes.
Durham Region has activated its Winter Warming Plan and mobilized warming locations and supports for vulnerable residents, including seniors and children. Durham Region and local partners have opened warming centres in Oshawa, including downtown locations; residents should check the Region of Durham’s warming-centres listings or the Oshawa warming calendar for up-to-date locations and hours.
Health Canada recommends dressing in several layers with a windproof outer layer if you must go outside. Local officials also urge residents to check on older family members and neighbours to ensure their homes remain at a safe temperature during the deep freeze.
