2019 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 2019 Old Farmer’s Almanac, available online and in stores.

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

Free 2-Month Weather Forecast

May 2019 Long Range Weather Forecast for Southern Ontario
DatesWeather Conditions
May 1-4Rainy east, sunny west; cool
May 5-11Rainy periods, cool
May 12-14Sunny, cool
May 15-23A few showers; warm, then cool
May 24-28Sunny, cool
May 29-31Showers, warm
Maytemperature 10.5°C (2° below avg.)
precipitation 95mm (20mm above avg.)

June 2019 Long Range Weather Forecast for Southern Ontario
DatesWeather Conditions
Jun 1-4Showers; hot east, cool west
Jun 5-12A few showers, cool
Jun 13-22Scattered t-storms, cool east; sunny, warm west
Jun 23-30Scattered t-storms, turning hot
Junetemperature 16.5°C (1° below avg.)
precipitation 140mm (60mm above avg.)

Annual Weather Summary
November 2018 to October 2019

Winter temperatures will be close to normal, on average, with above-normal precipitation and snowfall. The coldest periods will be in mid- and late December, early and late January, and early February. The snowiest periods will be in early December, mid-February, and early to mid-March. April and May will be cooler than normal, with above-normal precipitation. Summer will be cooler and rainier than normal. The hottest periods will be from late June into early July and in early to mid-July and mid-August. September and October will be cooler and rainier 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 2018 to October 2019

Temperature and Precipitation Chart, November 2018 to October 2019 for Hamilton, ON

Reader Comments

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Weather forecast for June 2/2019

Having a wedding shower on June 2/2019 , and would like to know if we can have it outside , thanks

Weather in Parry Sound October 12 2019

My daughter is having an outdoor wedding will we need warm clothing and rain gear

wet weather october

Terry best to be prepared with a tent and other wet weather activities. October could bring early North westerly winds which sweep moisture of the water causing rain.

Thanksgiving weekend in St. Catharines

Can you tell me what the weather is predicted to be on Sunday October 13 2019 our son is getting married at a winery in St CATHARINES Ontario. Thanks .

Weather

Are we getting a white Christmas in 2019 2020

Wedding

Our wedding date is Oct. 5th 2019 in the Torrance area of Muskoka. Any weather predictions? Praying the rain will stay away!

weather on July 12 to Huly 20

what is the weather like in July 12th to 20 th

I pray that you will have

I pray that you will have beautiful weather for your wedding day.

Family Picnic 2nd Saturday in July

I've always relied on the Farmer's Almanac Canadian version to determine when to hold the family picnic. In 16 years, we've had rain only once.....amazing. I'm hoping to find out the prediction for the second Saturday in July, I think it's the 13th.

June 2 weather

Planning to have an outdoor party on June 2nd. What should I expect for the weather?

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