Sunny Cornwall
No need to modify usual outdoor activities unless you experience symptoms such as coughing or throat irritation.
Sunny Cornwall Live Precipitation Radar
Full Screen ViewSunny Cornwall Live Doppler RadarMSC Dual-Pol
Sunny Cornwall, ON • Lat: 45.10° N, Lon: 93.97° W • Sweep 10m
Sunny Cornwall 30-Year Weather History & Monthly Averages
Explore month-by-month temperatures, annual snowfall in cm, rainy days, and historical record highs and lows.
Sunny 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 Sunny Cornwall, ON
What is the current temperature and conditions in Sunny Cornwall?
As of today, the temperature in Sunny Cornwall is 20.9°C with clear sky. The apparent temperature (feels like) is 19.7°C with relative humidity at 58%.
How does Wind Chill and Humidex affect Sunny Cornwall?
During warmer conditions, the Canadian Humidex indicates comfort levels. The current Humidex is 24 (Comfortable).
What is the Air Quality Health Index (AQHI) for Sunny Cornwall?
The current AQHI for Sunny Cornwall is 5 (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 Sunny 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.