Grand Catharinesmere
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Grand Catharinesmere Live Precipitation Radar
Full Screen ViewGrand Catharinesmere Live Doppler RadarMSC Dual-Pol
Grand Catharinesmere, ON • Lat: 45.99° N, Lon: 86.61° W • Sweep 10m
Grand Catharinesmere 30-Year Weather History & Monthly Averages
Explore month-by-month temperatures, annual snowfall in cm, rainy days, and historical record highs and lows.
Grand Catharinesmere 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 Grand Catharinesmere, ON
What is the current temperature and conditions in Grand Catharinesmere?
As of today, the temperature in Grand Catharinesmere is 22°C with clear sky. The apparent temperature (feels like) is 22.6°C with relative humidity at 52%.
How does Wind Chill and Humidex affect Grand Catharinesmere?
During warmer conditions, the Canadian Humidex indicates comfort levels. The current Humidex is 22 (Comfortable).
What is the Air Quality Health Index (AQHI) for Grand Catharinesmere?
The current AQHI for Grand Catharinesmere 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 Grand Catharinesmere 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.