Grand Arnprior
Ideal air quality for outdoor activities.
Grand Arnprior Live Precipitation Radar
Full Screen ViewGrand Arnprior Live Doppler RadarMSC Dual-Pol
Grand Arnprior, ON • Lat: 51.26° N, Lon: 78.62° W • Sweep 10m
Grand Arnprior 30-Year Weather History & Monthly Averages
Explore month-by-month temperatures, annual snowfall in cm, rainy days, and historical record highs and lows.
Grand Arnprior 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 Grand Arnprior, ON
What is the current temperature and conditions in Grand Arnprior?
As of today, the temperature in Grand Arnprior 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 Grand Arnprior?
During warmer conditions, the Canadian Humidex indicates comfort levels. The current Humidex is 14 (Comfortable).
What is the Air Quality Health Index (AQHI) for Grand Arnprior?
The current AQHI for Grand Arnprior 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 Grand Arnprior 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.