Corners Alliston
Ideal air quality for outdoor Canadian activities and sports.
Corners Alliston Live Precipitation Radar
Full Screen ViewCorners Alliston Live Doppler RadarMSC Dual-Pol
Corners Alliston, ON • Lat: 48.97° N, Lon: 78.41° W • Sweep 10m
Corners Alliston 30-Year Weather History & Monthly Averages
Explore month-by-month temperatures, annual snowfall in cm, rainy days, and historical record highs and lows.
Corners Alliston Air Quality & Wildfire Smoke Report
Detailed Canadian AQHI breakdown, fine particulate matter (PM2.5), ground-level ozone, and health guidance.
Frequently Asked Questions About Weather in Corners Alliston, ON
What is the current temperature and conditions in Corners Alliston?
As of today, the temperature in Corners Alliston is 12.6°C with mainly sunny. The apparent temperature (feels like) is 11.4°C with relative humidity at 80%.
How does Wind Chill and Humidex affect Corners Alliston?
During warmer conditions, the Canadian Humidex indicates comfort levels. The current Humidex is 13 (Comfortable).
What is the Air Quality Health Index (AQHI) for Corners Alliston?
The current AQHI for Corners Alliston is 3 (Low Risk). It is calculated based on ground-level ozone, fine particulate matter (PM2.5), and nitrogen dioxide levels according to Health Canada standards.
Where does the meteorological data for Corners Alliston come from?
Forecasts are generated using high-resolution Canadian Deterministic Prediction System (HRDPS 2.5km) and Global Environmental Multiscale (GEM) models alongside official Environment and Climate Change Canada Doppler radar feeds.