2020 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 2020 Old Farmer’s Almanac, available online and in stores.

Note: Long range forecasts are regional, not city-specific.

Free 2-Month Weather Forecast

July 2020 Long Range Weather Forecast for Southern Ontario
DatesWeather Conditions
Jul 1-7A few showers, warm
Jul 8-13Scattered t-storms, hot
Jul 14-18T-storms, warm
Jul 19-24Isolated t-storms, turning hot
Jul 25-28A few t-storms, hot
Jul 29-31Sunny, cool
Julytemperature 22°C (1°C above avg.)
precipitation 100mm (50mm above avg. east, 10mm below west)

August 2020 Long Range Weather Forecast for Southern Ontario
DatesWeather Conditions
Aug 1-6Showers, hot
Aug 7-14T-storms, then sunny, cool
Aug 15-22A few t-storms, warm
Aug 23-31Showers, cool
Augusttemperature 20°C (1°C below avg. east, 1°C above west)
precipitation 95mm (60mm above avg. east, 30mm below west)

Annual Weather Summary
November 2019 to October 2020

Winter temperatures, precipitation, and snowfall will be above normal. The coldest periods will be in mid- to late November, January, early and mid- to late February, and early March. The snowiest periods will be in early and mid-December, mid- to late January, mid-February, and early March. April and May will be warmer than normal, with precipitation above normal in the east and below normal in the west. Summer will be hotter than normal, with the hottest periods in late June and early to mid- and mid- to late July. Precipitation will be above normal in the east and below in the west. September and October will be slightly warmer and drier than normal.

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 2019 to October 2020

Temperature and Precipitation Chart, November 2019 to October 2020 for Hamilton, ON

Reader Comments

Leave a Comment

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

The Editors's picture

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

The Editors's picture

May we recommend a tent…

JULY 20 OUTDOOR BACKYARD ENGAGAMENT

Hi!

My daughter is having her outdoor engagement in Kitchener on July 20. What is the weather looking like for that Saturday?

Thanks !

Saturday July 20th 2019.

sunny and warm!

Forecast shows differently

Hi, the forecast is showing it is likely to thunderstorm. What are your thoughts on that?

Pages