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.
Weather timed to your arrival at every point along the route.
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Expect mostly clear skies and mild temperatures along Ontario Highway 401 throughout the forecast period. Winds will remain light with no significant gusts above 20 mph. No precipitation or hazardous weather is expected, making for favorable travel conditions.