Stephenville
Ideal air quality for outdoor Canadian activities and sports.
Stephenville Live Precipitation Radar
Full Screen ViewStephenville Live Doppler RadarMSC Dual-Pol
Stephenville, NL • Lat: 48.55° N, Lon: 58.58° W • Sweep 10m
Stephenville 30-Year Weather History & Monthly Averages
Explore month-by-month temperatures, annual snowfall in cm, rainy days, and historical record highs and lows.
Stephenville 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 Stephenville, NL
What is the current temperature and conditions in Stephenville?
As of today, the temperature in Stephenville is 12.4°C with drizzle. The apparent temperature (feels like) is 10.2°C with relative humidity at 69%.
How does Wind Chill and Humidex affect Stephenville?
During warmer conditions, the Canadian Humidex indicates comfort levels. The current Humidex is 12 (Comfortable).
What is the Air Quality Health Index (AQHI) for Stephenville?
The current AQHI for Stephenville 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 Stephenville 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.