Markham
Ideal air quality for outdoor activities.
Markham Live Precipitation Radar
Full Screen ViewMarkham Live Doppler RadarMSC Dual-Pol
Markham, ON • Lat: 43.86° N, Lon: 79.34° W • Sweep 10m
Markham 30-Year Weather History & Monthly Averages
Explore month-by-month temperatures, annual snowfall in cm, rainy days, and historical record highs and lows.
Markham 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, ON
What is the current temperature and conditions in Markham?
As of today, the temperature in Markham 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?
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?
The current AQHI for Markham 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 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.