Forecast Summary
The next few hours will be mostly clear, with today reaching 21°C and dropping to 11°C. The coming days will be hazy throughout the day.
Current Weather
5°
Mostly Clear
Feels Like
14°
Min
13°
Max
21°
Compared to Yesterday
Unlock Historical Data
Compare today's weather with yesterday's data and track temperature trends over time.
Does this forecast seem accurate?
Hourly Forecast
Weather forecast for the next 48 hours.
UV Index
Wear sunscreen
Humidity
Current air moisture level
Daylight Hours
14 hours 17 minutes of sunlight today
06:06
Sunrise
20:24
Sunset
Daily Forecast
Weather forecast for the next 8 days.
Today
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Air Quality Data Available
Upgrade to access real-time air quality data for Alliston.
Frequently asked questions about weather in Alliston
How warm does it get in Alliston?
The warmest month in Alliston is July, with average high temperatures of 26°C. The average temperature during this period is around 20°C.
How cold does it get in Alliston?
The coldest month in Alliston is January, with average low temperatures of -10°C. The average temperature during this period is around -6°C.
What is the wettest time of year in Alliston?
The wettest month in Alliston is June, with an average of 94mm of precipitation.
What is the driest time of year in Alliston?
The driest month in Alliston is February, with an average of 57mm of precipitation.
Explore more weather forecasts
- Caledon, Ontario
- Toronto, Ontario
- Barrie, Ontario
- Montréal, Québec
- Orangeville, Ontario
- Calgary, Alberta
- Wasaga Beach, Ontario
- Edmonton, Alberta
- Newmarket, Ontario
- Ottawa, Ontario
- Aurora, Ontario
- Winnipeg, Manitoba
- East Gwillimbury, Ontario
- Mississauga, Ontario
- Brampton, Ontario
- Vancouver, British Columbia
Stay informed
