Old Acton
No need to modify usual outdoor activities unless you experience symptoms such as coughing or throat irritation.
Old Acton Live Precipitation Radar
Full Screen ViewOld Acton Live Doppler RadarMSC Dual-Pol
Old Acton, ON • Lat: 50.09° N, Lon: 87.48° W • Sweep 10m
Old Acton 30-Year Weather History & Monthly Averages
Explore month-by-month temperatures, annual snowfall in cm, rainy days, and historical record highs and lows.
Old 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 Old Acton, ON
What is the current temperature and conditions in Old Acton?
As of today, the temperature in Old Acton is 12.3°C with mainly sunny. The apparent temperature (feels like) is 9.9°C with relative humidity at 75%.
How does Wind Chill and Humidex affect Old Acton?
During warmer conditions, the Canadian Humidex indicates comfort levels. The current Humidex is 12 (Comfortable).
What is the Air Quality Health Index (AQHI) for Old Acton?
The current AQHI for Old Acton is 4 (Moderate 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 Old 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.