Long-Range Weather Forecast for 2023 | The Old Farmer's Almanac

For daily wit & wisdom, sign up for the Almanac Daily newsletter.

Long-Range Weather Forecast for Hamilton, ON

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

Annual Weather Summary
November 2022 to October 2023

Winter will be colder than normal, with above-normal precipitation and snowfall. The coldest periods will be in mid- and late November, early and late December, early and late January, and late February. The snowiest periods will be in late November, early December, and mid-January. On average, April and May temperatures will be near normal, with slightly above-normal precipitation. Summer temperatures will be slightly above normal. Rainfall will be above normal. The hottest periods will be in mid-July and early August. On average, September and October will be slightly warmer than normal, with rainfall above normal in the east and below normal in the west.

Free 2-Month Weather Forecast

September 2023 Long Range Weather Forecast for Southern Ontario
DatesWeather Conditions
Sep 1-15Rainy periods east, a few showers west; cool
Sep 16-24Sunny, then rainy periods; cool
Sep 25-30Showers, turning mild
Septembertemperature 14.5°C (0.5°C below avg.)
precipitation 135mm (80mm above avg. east, 10mm above west)
October 2023 Long Range Weather Forecast for Southern Ontario
DatesWeather Conditions
Oct 1-13Sunny, then a few showers; cool
Oct 14-26Scattered showers, then sunny; mild
Oct 27-31A few showers, mild
Octobertemperature 11°C (1°C above avg.)
precipitation 50mm (25mm below avg.)

Temperature and Precipitation November 2022 to October 2023

Temperature and Precipitation Chart, November 2022 to October 2023 for Hamilton, ON
The Old Farmer's Store