Catharines Sector 51
No need to modify usual outdoor activities unless you experience symptoms such as coughing or throat irritation.
Catharines Sector 51 Live Precipitation Radar
Full Screen ViewCatharines Sector 51 Live Doppler RadarMSC Dual-Pol
Catharines Sector 51, ON • Lat: 45.76° N, Lon: 93.89° W • Sweep 10m
Catharines Sector 51 30-Year Weather History & Monthly Averages
Explore month-by-month temperatures, annual snowfall in cm, rainy days, and historical record highs and lows.
Catharines Sector 51 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 Catharines Sector 51, ON
What is the current temperature and conditions in Catharines Sector 51?
As of today, the temperature in Catharines Sector 51 is 19.3°C with mainly sunny. The apparent temperature (feels like) is 18.9°C with relative humidity at 67%.
How does Wind Chill and Humidex affect Catharines Sector 51?
During warmer conditions, the Canadian Humidex indicates comfort levels. The current Humidex is 19 (Comfortable).
What is the Air Quality Health Index (AQHI) for Catharines Sector 51?
The current AQHI for Catharines Sector 51 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 Catharines Sector 51 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.