Bolton
Ideal air quality for outdoor Canadian activities and sports.
Bolton Live Precipitation Radar
Full Screen ViewBolton Live Doppler RadarMSC Dual-Pol
Bolton, ON • Lat: 50.30° N, Lon: 84.07° W • Sweep 10m
Bolton 30-Year Weather History & Monthly Averages
Explore month-by-month temperatures, annual snowfall in cm, rainy days, and historical record highs and lows.
Bolton 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 Bolton, ON
What is the current temperature and conditions in Bolton?
As of today, the temperature in Bolton is 13.6°C with mainly sunny. The apparent temperature (feels like) is 11.2°C with relative humidity at 69%.
How does Wind Chill and Humidex affect Bolton?
During warmer conditions, the Canadian Humidex indicates comfort levels. The current Humidex is 14 (Comfortable).
What is the Air Quality Health Index (AQHI) for Bolton?
The current AQHI for Bolton is 3 (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 Bolton 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.