Gravenhurst
No need to modify usual outdoor activities unless you experience symptoms such as coughing or throat irritation.
Gravenhurst Live Precipitation Radar
Full Screen ViewGravenhurst Live Doppler RadarMSC Dual-Pol
Gravenhurst, ON • Lat: 44.92° N, Lon: 79.37° W • Sweep 10m
Gravenhurst 30-Year Weather History & Monthly Averages
Explore month-by-month temperatures, annual snowfall in cm, rainy days, and historical record highs and lows.
Gravenhurst 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 Gravenhurst, ON
What is the current temperature and conditions in Gravenhurst?
As of today, the temperature in Gravenhurst is 18.5°C with clear sky. The apparent temperature (feels like) is 18°C with relative humidity at 66%.
How does Wind Chill and Humidex affect Gravenhurst?
During warmer conditions, the Canadian Humidex indicates comfort levels. The current Humidex is 19 (Comfortable).
What is the Air Quality Health Index (AQHI) for Gravenhurst?
The current AQHI for Gravenhurst 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 Gravenhurst 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.