2021 Long Range Weather Forecast for Trenton, ON
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 |
|---|---|
| Jan 1-5 | Flurries, cold |
| Jan 6-12 | Snow, then flurries; cold |
| Jan 13-19 | Snow showers, cold |
| Jan 20-25 | Flurries, cold |
| Jan 26-31 | Lake snows, cold |
| January | temperature -10°C (3°C below avg.) precipitation 75mm (15mm above avg.) |
| Dates | Weather Conditions |
|---|---|
| Feb 1-7 | A few showers, quite mild |
| Feb 8-15 | Periods of rain and snow east, snow west; mild |
| Feb 16-20 | Sunny, mild |
| Feb 21-28 | Rain and snow showers east, flurries west; turning cold |
| February | temperature -2°C (3°C above avg.) precipitation 85mm (25mm above 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
Reader Comments
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party
we have an outdoor party on Sunday August 4th 2019 from 3:00pm top 11:00pm. what is the weather outlook?
weather conditions
We have an outdoor wedding in Acton ON. Canada , Aug. 24th 2019. Will we have good weather? Trying to determine if we need a tent to cover our guests.
weather for Acton, Ontario
Hi, Judy. A tent may be a good idea. During that time period the Almanac is predicting showers.
August 23
What is the likelihood of rain on Friday, August 23, 2019?
Sorry I should mention, it's
Sorry I should mention, it's in Woodbridge, Ontario
weather for Woodbridge, Ontario
Hi, Daff. During that time period the Almanac is predicting showers.
Outdoor baby shower??
Hoping to do an outdoor baby shower on Sept 15th. Will it possibly be warm enough?
September 7 outdoor engagement
Hey, just wondering about September 7!? We are having an outdoor engagement and I’m wondering if it’s going to be a really wet day??
Thanks
October 5, 2019
Hi, my wedding is on October 5, 2019 in Toronto. Any predictions on weather? We were hoping to have the ceremony outdoors. Thank you!
weather for Toronto
May we recommend a tent…
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