Caledon Sector 18
No need to modify usual outdoor activities unless you experience symptoms such as coughing or throat irritation.
Caledon Sector 18 Live Precipitation Radar
Full Screen ViewCaledon Sector 18 Live Doppler RadarMSC Dual-Pol
Caledon Sector 18, ON • Lat: 47.22° N, Lon: 93.27° W • Sweep 10m
Caledon Sector 18 30-Year Weather History & Monthly Averages
Explore month-by-month temperatures, annual snowfall in cm, rainy days, and historical record highs and lows.
Caledon Sector 18 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 Caledon Sector 18, ON
What is the current temperature and conditions in Caledon Sector 18?
As of today, the temperature in Caledon Sector 18 is 14.6°C with partly cloudy. The apparent temperature (feels like) is 14.2°C with relative humidity at 87%.
How does Wind Chill and Humidex affect Caledon Sector 18?
During warmer conditions, the Canadian Humidex indicates comfort levels. The current Humidex is 15 (Comfortable).
What is the Air Quality Health Index (AQHI) for Caledon Sector 18?
The current AQHI for Caledon Sector 18 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 Caledon Sector 18 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.