Cornwall
No need to modify usual outdoor activities unless you experience symptoms such as coughing or throat irritation.
Cornwall Live Precipitation Radar
Full Screen ViewCornwall Live Doppler RadarMSC Dual-Pol
Cornwall, PE • Lat: 46.23° N, Lon: 63.22° W • Sweep 10m
Cornwall 30-Year Weather History & Monthly Averages
Explore month-by-month temperatures, annual snowfall in cm, rainy days, and historical record highs and lows.
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 Cornwall, PE
What is the current temperature and conditions in Cornwall?
As of today, the temperature in Cornwall is 18.3°C with overcast. The apparent temperature (feels like) is 16.6°C with relative humidity at 58%.
How does Wind Chill and Humidex affect Cornwall?
During warmer conditions, the Canadian Humidex indicates comfort levels. The current Humidex is 18 (Comfortable).
What is the Air Quality Health Index (AQHI) for Cornwall?
The current AQHI for 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 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.