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.
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Mostly dry and mild conditions are expected along Ontario Highway 401 with generally cloudy skies in Michigan and New York, and mostly clear to partly cloudy skies across Ontario. Winds will remain light to moderate with no significant gusts over 20 mph. Temperatures will stay comfortable, with no extreme highs or lows forecasted.