Acton
Ideal air quality for outdoor Canadian activities and sports.
Acton Live Precipitation Radar
Full Screen ViewActon Live Doppler RadarMSC Dual-Pol
Acton, ON • Lat: 48.19° N, Lon: 78.07° W • Sweep 10m
Acton 30-Year Weather History & Monthly Averages
Explore month-by-month temperatures, annual snowfall in cm, rainy days, and historical record highs and lows.
Acton 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 Acton, ON
What is the current temperature and conditions in Acton?
As of today, the temperature in Acton is 16.2°C with clear sky. The apparent temperature (feels like) is 15.3°C with relative humidity at 68%.
How does Wind Chill and Humidex affect Acton?
During warmer conditions, the Canadian Humidex indicates comfort levels. The current Humidex is 16 (Comfortable).
What is the Air Quality Health Index (AQHI) for Acton?
The current AQHI for Acton 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 Acton 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.