2021 Long Range Weather Forecast for Hamilton, ON

Get the Long Range Weather for Your Location

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

January 2021 Long Range Weather Forecast for Southern Ontario
DatesWeather Conditions
Jan 1-5Flurries, cold
Jan 6-12Snow, then flurries; cold
Jan 13-19Snow showers, cold
Jan 20-25Flurries, cold
Jan 26-31Lake snows, cold
Januarytemperature -10°C (3°C below avg.)
precipitation 75mm (15mm above avg.)

February 2021 Long Range Weather Forecast for Southern Ontario
DatesWeather Conditions
Feb 1-7A few showers, quite mild
Feb 8-15Periods of rain and snow east, snow west; mild
Feb 16-20Sunny, mild
Feb 21-28Rain and snow showers east, flurries west; turning cold
Februarytemperature -2°C (3°C above avg.)
precipitation 85mm (25mm above avg.)

Annual Weather Summary
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.

Map showing Old Farmer's Almanac long range weather region number 3

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

Temperature and Precipitation Chart, November 2020 to October 2021 for Hamilton, ON

Reader Comments

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How the Almanac predicts weather

The Editors's picture

Hi, Aryanna, The weather temperature you reference is an average for the entire month. The Almanac weather isn’t meant to be viewed on a daily basis. Long-range weather is calculated over a year in advance, with predictions versus historical averages so you get a sense of what is typical (colder or warmer than average). Here is more information about how the Almanac predicts: https://www.almanac.com/content/how-old-farmers-almanac-predicts-weather For daily weather, we’d direct you to our short-range weather forecasts. We hope this is helpful.

Long range weather forecast

I was delighted to see the long range weather forecast on your page until I realised that it is for
Southern Ontario only. I do not live in Southern Ontario. I live in Thunder Bay, Northwestern Ontario. It is
1399 km from Toronto, Ontario or a 14 hr. 52 minute drive and 1006.8 km from Sudbury or a 10 hour and 53 minutes drive.
Would you please send me the long range weather forecast for January and, if possible, February for my area.
Thank you for your assistance in this regard.

Thunder Bay

The Editors's picture

Hi, Janet,  Thunder Bay is easily within our coverage area. This free Web site is a companion to The Old Farmer’s Almanac publication. Every month, we post the current month’s and next month’s long-range prediction, courtesy of The Old Farmer’s Almanac. You can find all 12 months in the Almanac itself: https://www.almanac.com/wheretobuy

weather

So far the forecast for November is spot on where I am..not far from Huntsville ont..so in the area..so far so good..read your forecast for years..pretty accurate if you ask me...Thanks Farmers Almanac

More local forecasts

I really like these forecasts, but I do wish the regions were more localized. The weather can be very different in Windsor vs Toronto or Elliott Lake! Thank you.

Weather so far

Where I live (above the snow belt) the almanac has been spot on.
Good job

Weather

Sudbury is not located in southern ON and the forecast is not accurate. We are having our first major snow storm and there is no indication of this on your prediction.

Englehart too !

I agree with you, very inaccurate information here. We have over 3" so far today.

sudbury

sudbury sure is southern ontario! Mid at best...

Big Thanks

I would like to thank you for your long term weather forecasts. I look forward to them all the time, and I am so glad that you are 90% accurate. It gives me time to prepare for the bad weather in lower Ontario.

Thanks again, and have a good one.

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