Longueuil
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Longueuil Live Precipitation Radar
Full Screen ViewLongueuil Live Doppler RadarMSC Dual-Pol
Longueuil, QC • Lat: 45.53° N, Lon: 73.52° W • Sweep 10m
Longueuil 30-Year Weather History & Monthly Averages
Explore month-by-month temperatures, annual snowfall in cm, rainy days, and historical record highs and lows.
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 Longueuil, QC
What is the current temperature and conditions in Longueuil?
As of today, the temperature in Longueuil is 21.9°C with overcast. The apparent temperature (feels like) is 22°C with relative humidity at 62%.
How does Wind Chill and Humidex affect Longueuil?
During warmer conditions, the Canadian Humidex indicates comfort levels. The current Humidex is 24 (Comfortable).
What is the Air Quality Health Index (AQHI) for Longueuil?
The current AQHI for Longueuil is 6 (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 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.