Mississauga Sector 21
No need to modify usual outdoor activities unless you experience symptoms such as coughing or throat irritation.
Mississauga Sector 21 Live Precipitation Radar
Full Screen ViewMississauga Sector 21 Live Doppler RadarMSC Dual-Pol
Mississauga Sector 21, ON • Lat: 53.05° N, Lon: 75.22° W • Sweep 10m
Mississauga Sector 21 30-Year Weather History & Monthly Averages
Explore month-by-month temperatures, annual snowfall in cm, rainy days, and historical record highs and lows.
Mississauga Sector 21 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 Mississauga Sector 21, ON
What is the current temperature and conditions in Mississauga Sector 21?
As of today, the temperature in Mississauga Sector 21 is 8.1°C with overcast. The apparent temperature (feels like) is 4.2°C with relative humidity at 61%.
How does Wind Chill and Humidex affect Mississauga Sector 21?
During warmer conditions, the Canadian Humidex indicates comfort levels. The current Humidex is 8 (Comfortable).
What is the Air Quality Health Index (AQHI) for Mississauga Sector 21?
The current AQHI for Mississauga Sector 21 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 Mississauga Sector 21 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.