Grand- Longueuil
No need to modify usual outdoor activities unless you experience symptoms such as coughing or throat irritation.
Grand- Longueuil Live Precipitation Radar
Full Screen ViewGrand- Longueuil Live Doppler RadarMSC Dual-Pol
Grand- Longueuil, QC • Lat: 56.17° N, Lon: 73.74° W • Sweep 10m
Grand- Longueuil 30-Year Weather History & Monthly Averages
Explore month-by-month temperatures, annual snowfall in cm, rainy days, and historical record highs and lows.
Grand- Longueuil 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- Longueuil, QC
What is the current temperature and conditions in Grand- Longueuil?
As of today, the temperature in Grand- Longueuil is 4.9°C with overcast. The apparent temperature (feels like) is 2.1°C with relative humidity at 90%.
How does Wind Chill and Humidex affect Grand- Longueuil?
During warmer conditions, the Canadian Humidex indicates comfort levels. The current Humidex is 5 (Comfortable).
What is the Air Quality Health Index (AQHI) for Grand- Longueuil?
The current AQHI for Grand- Longueuil 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 Grand- Longueuil 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.