2021 Long Range Weather Forecast for Southern Ontario
See long range weather forecasts for the next 60 days from The Old Farmer’s Almanac! Our long range forecasts can be used to make more informed decisions about future plans that depend on the weather, from vacations and weddings to sporting events and outdoor activities.
To see long term forecasts for the entire year, pick up a copy of The 2021 Old Farmer’s Almanac, available online and in stores.
Note: Long range forecasts are regional, not city-specific.
Free 2-Month Weather Forecast
| Dates | Weather Conditions |
|---|---|
| Jun 1-4 | T-storms, hot |
| Jun 5-13 | Scattered t-storms, turning cool |
| Jun 14-19 | A few showers, warm |
| Jun 20-27 | A few t-storms, cool |
| Jun 28-30 | Sunny, warm |
| June | temperature 19.5°C (2°C above avg.) precipitation 130mm (50mm above avg.) |
| Dates | Weather Conditions |
|---|---|
| Jul 1-10 | A few showers, cool |
| Jul 11-17 | Scattered t-storms; cool east, hot west |
| Jul 18-25 | Scattered t-storms, cool |
| Jul 26-31 | Sunny, cool |
| July | temperature 22°C (2°C below avg. east, 1°C above west) precipitation 80mm (avg.) |
Annual Weather Summary
November 2020 to October 2021
November 2020 to October 2021
Winter temperatures will be slightly below normal in the east and slightly above normal in the west, with the coldest periods in early to mid-December, from late December into early January, and in mid- and late January. Precipitation and snowfall will be much above normal, with the snowiest periods in mid-December, early to mid-January, and early to mid-March. April and May will be cooler and rainier than normal in the east and warmer and drier in the west. Summer will be slightly cooler and rainier than normal in the east and hotter with near-normal rainfall in the west. The hottest periods will be in early June and mid-August. September and October will be cooler than normal, with near-normal precipitation.
About the Southern Ontario Region
The Southern Ontario long range weather region includes all or part of the following provinces: ONTARIO (Alliston, Amherstburg, Barrie, Bolton, Bradford, Brantford, Chatham, Cobourg, Collingwood, Elliot Lake, Fergus, Fort Erie, Georgetown, Guelph, Haileybury, Hamilton, Ingersoll, Kenora, Kitchener, Leamington, Lindsay, London, Midland, Milton, North Bay, Orangeville, Orillia, Oshawa, Owen Sound, Paris, Peterborough, Port Hope, Sarnia, Simcoe, Stouffville, Stratford, Strathroy, Sudbury, Thunder Bay, Tillsonburg, Timmins, Toronto, Uxbridge, Wallaceburg, Windsor, Woodstock).
Southern Ontario Neighboring Regions
Here are the regions that neighbor the Southern Ontario long range weather region:
Temperature and Precipitation November 2020 to October 2021
