Mostly fair and very warm.
Scattered shower activity, then clearing skies.
Thunderstorms, especially through the Great Lakes area, followed by fair weather.
Becoming showery again for the Great Lakes area; possibly wet for Simcoe Day.
Clearing skies; gusty winds.
Widespread thunderstorm activity; some storms could be severe and accompanied by hail and high winds.
Unsettled, wet, followed by clearing skies.
Thunderstorms; heavy-to-severe activity sweeps into western Ontario; remaining fair farther east.
Clearing for western Ontario; heavy thunderstorm activity sweeps over central and eastern regions.
Showery conditions are followed by clearing skies.
Generally clear and pleasant conditions for Labour Day.
Thunderstorms followed by improving weather.
Rain falls, especially over the Great Lakes, followed by clearing, cooler conditions.
Even more long range weather forecasts and timely information are available in the current edition of the Farmers' Almanac. Learn where to buy a copy or click here or to buy one online.
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