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Ontario Long Range Weather Forecast for
October 20th, 2017 - December 19th, 2017

Farmers' Almanac's long range weather predictions are available here for 2 months and if you sign up for a FREE account with us, we'll give you 4 months!

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October 2017

20th-23rd.
Severe thunderstorms roll through central and eastern Ontario area, followed by clearing and unseasonably cold conditions with widespread frost.
24th-27th.
Fair initially, then turning unsettled by the end of this period.
28th-31st.
Fair skies for Halloween.

November 2017

1st-3rd.
Sunny to partly cloudy skies.
4th-7th.
Stormy, especially over central and eastern Ontario where accumulating snow is possible, followed by clearing and colder weather.
8th-11th.
Light snow, then fair.
12th-15th.
Continued generally fair.
16th-19th.
Stormy for Great Lakes area, followed by clearing and much colder conditions.
20th-23rd.
Fair skies at first then turning wet.
24th-27th.
Grey Cup Time! Mostly fair/cold.
28th-30th.
Very unsettled weather develops with heavy snows of up to 30 centimeters, especially over the Great Lakes area.

December 2017

1st-3rd.
Snow showers and flurries.
4th-7th.
Becoming unsettled with steadier snow.
8th-11th.
Clearer/drier/colder air moves in.
12th-15th.
Snow, followed by fair, cold weather.
16th-19th.
Light snow.

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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