Ontario Highway 7 Current Weather Conditions with Radar. See 12 hour weather, wind, and temperature forecast on the Ontario Highway 7 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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Along Ontario Highway 7, expect mostly mild temperatures with a chance of light rain in the York Mills area later in the forecast period. Winds remain generally light with no significant gusts above 20 mph except brief periods near Oshawa. Skies vary from mostly cloudy to clear in some areas, with overcast conditions developing late in the day in parts of the route.