Grand Stouffville
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Grand Stouffville Live Precipitation Radar
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Grand Stouffville, ON • Lat: 42.70° N, Lon: 81.51° W • Sweep 10m
Grand Stouffville 30-Year Weather History & Monthly Averages
Explore month-by-month temperatures, annual snowfall in cm, rainy days, and historical record highs and lows.
Grand Stouffville 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 Grand Stouffville, ON
What is the current temperature and conditions in Grand Stouffville?
As of today, the temperature in Grand Stouffville is 18.5°C with overcast. The apparent temperature (feels like) is 20°C with relative humidity at 84%.
How does Wind Chill and Humidex affect Grand Stouffville?
During warmer conditions, the Canadian Humidex indicates comfort levels. The current Humidex is 19 (Comfortable).
What is the Air Quality Health Index (AQHI) for Grand Stouffville?
The current AQHI for Grand Stouffville 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 Grand Stouffville 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.