Alliston Sector 46
No need to modify usual outdoor activities unless you experience symptoms such as coughing or throat irritation.
Alliston Sector 46 Live Precipitation Radar
Full Screen ViewAlliston Sector 46 Live Doppler RadarMSC Dual-Pol
Alliston Sector 46, ON • Lat: 48.16° N, Lon: 82.79° W • Sweep 10m
Alliston Sector 46 30-Year Weather History & Monthly Averages
Explore month-by-month temperatures, annual snowfall in cm, rainy days, and historical record highs and lows.
Alliston Sector 46 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 Alliston Sector 46, ON
What is the current temperature and conditions in Alliston Sector 46?
As of today, the temperature in Alliston Sector 46 is 16.5°C with mainly sunny. The apparent temperature (feels like) is 15.2°C with relative humidity at 67%.
How does Wind Chill and Humidex affect Alliston Sector 46?
During warmer conditions, the Canadian Humidex indicates comfort levels. The current Humidex is 17 (Comfortable).
What is the Air Quality Health Index (AQHI) for Alliston Sector 46?
The current AQHI for Alliston Sector 46 is 4 (Moderate 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 Alliston Sector 46 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.