Ontario Highway 401 Current Weather Conditions with Radar. See 12 hour weather, wind, and temperature forecast on the Ontario Highway 401 corridor. Check conditions hour by hour with the time slider, switch between weather, temperature and wind views, and watch live radar for the route.
Expect mostly dry and mild conditions along Ontario Highway 401 with generally clear skies across most areas. Rain showers are likely in eastern Ontario and Quebec, accompanied by gusty winds in some locations. No severe weather or tornadoes are forecasted during this period.
Weather timed to your arrival at every point along the route.