Markham Sector 48
Reduce or reschedule strenuous activities outdoors. Children and elderly should take precautions.
Markham Sector 48 Live Precipitation Radar
Full Screen ViewMarkham Sector 48 Live Doppler RadarMSC Dual-Pol
Markham Sector 48, ON • Lat: 43.55° N, Lon: 79.21° W • Sweep 10m
Markham Sector 48 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 48 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 48, ON
What is the current temperature and conditions in Markham Sector 48?
As of today, the temperature in Markham Sector 48 is 19.3°C with mainly sunny. The apparent temperature (feels like) is 20.5°C with relative humidity at 89%.
How does Wind Chill and Humidex affect Markham Sector 48?
During warmer conditions, the Canadian Humidex indicates comfort levels. The current Humidex is 19 (Comfortable).
What is the Air Quality Health Index (AQHI) for Markham Sector 48?
The current AQHI for Markham Sector 48 is 7 (High 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 48 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.