South St. Stephen
No need to modify usual outdoor activities unless you experience symptoms such as coughing or throat irritation.
South St. Stephen Live Precipitation Radar
Full Screen ViewSouth St. Stephen Live Doppler RadarMSC Dual-Pol
South St. Stephen, NB • Lat: 45.26° N, Lon: 68.14° W • Sweep 10m
South St. Stephen 30-Year Weather History & Monthly Averages
Explore month-by-month temperatures, annual snowfall in cm, rainy days, and historical record highs and lows.
South St. Stephen 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 St. Stephen, NB
What is the current temperature and conditions in South St. Stephen?
As of today, the temperature in South St. Stephen is 16.4°C with overcast. The apparent temperature (feels like) is 17.2°C with relative humidity at 93%.
How does Wind Chill and Humidex affect South St. Stephen?
During warmer conditions, the Canadian Humidex indicates comfort levels. The current Humidex is 16 (Comfortable).
What is the Air Quality Health Index (AQHI) for South St. Stephen?
The current AQHI for South St. Stephen 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 South St. Stephen 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.