Upper Sudbury
No need to modify usual outdoor activities unless you experience symptoms such as coughing or throat irritation.
Upper Sudbury Live Precipitation Radar
Full Screen ViewUpper Sudbury Live Doppler RadarMSC Dual-Pol
Upper Sudbury, ON • Lat: 53.26° N, Lon: 78.30° W • Sweep 10m
Upper Sudbury 30-Year Weather History & Monthly Averages
Explore month-by-month temperatures, annual snowfall in cm, rainy days, and historical record highs and lows.
Upper Sudbury 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 Upper Sudbury, ON
What is the current temperature and conditions in Upper Sudbury?
As of today, the temperature in Upper Sudbury is 10.2°C with rain showers. The apparent temperature (feels like) is 6.3°C with relative humidity at 76%.
How does Wind Chill and Humidex affect Upper Sudbury?
During warmer conditions, the Canadian Humidex indicates comfort levels. The current Humidex is 10 (Comfortable).
What is the Air Quality Health Index (AQHI) for Upper Sudbury?
The current AQHI for Upper Sudbury 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 Upper Sudbury 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.