Markham Sector 42
Ideal air quality for outdoor activities.
Markham Sector 42 Live Precipitation Radar
Full Screen ViewMarkham Sector 42 Live Doppler RadarMSC Dual-Pol
Markham Sector 42, ON • Lat: 46.72° N, Lon: 92.76° W • Sweep 10m
Markham Sector 42 30-Year Weather History & Monthly Averages
Explore month-by-month temperatures, annual snowfall in cm, rainy days, and historical record highs and lows.
Markham Sector 42 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 Markham Sector 42, ON
What is the current temperature and conditions in Markham Sector 42?
As of today, the temperature in Markham Sector 42 is 14°C with mainly sunny. The apparent temperature (feels like) is 12°C with relative humidity at 65%.
How does Wind Chill and Humidex affect Markham Sector 42?
During warmer conditions, the Canadian Humidex indicates comfort levels. The current Humidex is 14 (Comfortable).
What is the Air Quality Health Index (AQHI) for Markham Sector 42?
The current AQHI for Markham Sector 42 is 2 (Low 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 Markham Sector 42 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.