Cornwall Sector 59
No need to modify usual outdoor activities unless you experience symptoms such as coughing or throat irritation.
Cornwall Sector 59 Live Precipitation Radar
Full Screen ViewCornwall Sector 59 Live Doppler RadarMSC Dual-Pol
Cornwall Sector 59, ON • Lat: 50.92° N, Lon: 92.85° W • Sweep 10m
Cornwall Sector 59 30-Year Weather History & Monthly Averages
Explore month-by-month temperatures, annual snowfall in cm, rainy days, and historical record highs and lows.
Cornwall Sector 59 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 Cornwall Sector 59, ON
What is the current temperature and conditions in Cornwall Sector 59?
As of today, the temperature in Cornwall Sector 59 is 10.6°C with overcast. The apparent temperature (feels like) is 7.7°C with relative humidity at 78%.
How does Wind Chill and Humidex affect Cornwall Sector 59?
During warmer conditions, the Canadian Humidex indicates comfort levels. The current Humidex is 11 (Comfortable).
What is the Air Quality Health Index (AQHI) for Cornwall Sector 59?
The current AQHI for Cornwall Sector 59 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 Cornwall Sector 59 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.