Old Rosemont
No need to modify usual outdoor activities unless you experience symptoms such as coughing or throat irritation.
Old Rosemont Live Precipitation Radar
Full Screen ViewOld Rosemont Live Doppler RadarMSC Dual-Pol
Old Rosemont, ON • Lat: 44.02° N, Lon: 86.76° W • Sweep 10m
Old Rosemont 30-Year Weather History & Monthly Averages
Explore month-by-month temperatures, annual snowfall in cm, rainy days, and historical record highs and lows.
Old Rosemont 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 Old Rosemont, ON
What is the current temperature and conditions in Old Rosemont?
As of today, the temperature in Old Rosemont is 15.9°C with overcast. The apparent temperature (feels like) is 14.9°C with relative humidity at 90%.
How does Wind Chill and Humidex affect Old Rosemont?
During warmer conditions, the Canadian Humidex indicates comfort levels. The current Humidex is 16 (Comfortable).
What is the Air Quality Health Index (AQHI) for Old Rosemont?
The current AQHI for Old Rosemont 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 Old Rosemont 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.