South Marystown
Ideal air quality for outdoor Canadian activities and sports.
South Marystown Live Precipitation Radar
Full Screen ViewSouth Marystown Live Doppler RadarMSC Dual-Pol
South Marystown, NL • Lat: 54.27° N, Lon: 58.79° W • Sweep 10m
South Marystown 30-Year Weather History & Monthly Averages
Explore month-by-month temperatures, annual snowfall in cm, rainy days, and historical record highs and lows.
South Marystown 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 South Marystown, NL
What is the current temperature and conditions in South Marystown?
As of today, the temperature in South Marystown is 5.8°C with overcast. The apparent temperature (feels like) is 3.6°C with relative humidity at 70%.
How does Wind Chill and Humidex affect South Marystown?
During warmer conditions, the Canadian Humidex indicates comfort levels. The current Humidex is 6 (Comfortable).
What is the Air Quality Health Index (AQHI) for South Marystown?
The current AQHI for South Marystown 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 South Marystown 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.