Green Cornwall
No need to modify usual outdoor activities unless you experience symptoms such as coughing or throat irritation.
Green Cornwall Live Precipitation Radar
Full Screen ViewGreen Cornwall Live Doppler RadarMSC Dual-Pol
Green Cornwall, ON • Lat: 47.77° N, Lon: 80.67° W • Sweep 10m
Green Cornwall 30-Year Weather History & Monthly Averages
Explore month-by-month temperatures, annual snowfall in cm, rainy days, and historical record highs and lows.
Green Cornwall 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 Green Cornwall, ON
What is the current temperature and conditions in Green Cornwall?
As of today, the temperature in Green Cornwall is 20.2°C with mainly sunny. The apparent temperature (feels like) is 17.3°C with relative humidity at 45%.
How does Wind Chill and Humidex affect Green Cornwall?
During warmer conditions, the Canadian Humidex indicates comfort levels. The current Humidex is 20 (Comfortable).
What is the Air Quality Health Index (AQHI) for Green Cornwall?
The current AQHI for Green Cornwall 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 Green Cornwall 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.