Home › Weather › Gravenhurst Weather
Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Civic Maple Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
As of the live forecast above, Gravenhurst weather is typical for the season, with conditions that shift quickly between lake-effect showers and clear skies depending on the wind off Lake Muskoka and Gull Lake. Expect temperatures that feel cooler near the waterfront.
What is the typical weather pattern for Gravenhurst year-round?
Gravenhurst sits in Ontario’s cottage country, where winters are cold and snowy, with January highs near -6°C and frequent lake-effect snow. Summers are warm and humid, July highs averaging 25°C, but Mosquito Lake and nearby water bodies keep nights cool. Spring and fall bring rapid changes, often driven by the Muskoka Lakes region’s microclimate.
How accurate are longer-range forecasts for Gravenhurst?
Forecasts beyond 7 days, including the gravenhurst weather 14 day outlook, have lower reliability because small shifts in Great Lakes weather patterns can alter precipitation and temperature by several degrees. For the most current data, always check the live forecast above and refer to the Weather 10 Days page for updates.
25°C
-18°C
250 cm
Highest in July at 80%
What is the gravenhurst weather radar showing right now?
The gravenhurst weather radar is part of the Environment Canada network, scanning for precipitation bands moving from Georgian Bay. Live radar loops help track lake-effect snow and summer thunderstorms. Check the live forecast above for immediate conditions.
Will it rain in Gravenhurst tomorrow?
For weather in gravenhurst tomorrow, the live forecast above provides hourly timing. Lake breeze interactions can shift precipitation onset by a few hours, so refresh the page before heading out to spot the most precise window.
How does the 30-day outlook compare to the 10-day forecast?
The gravenhurst weather 30 day outlook is a trend estimate, not a daily prediction. It is useful for planning vacation weeks, but for trip timing rely on the 10-day and hourly updates. Day-to-day accuracy drops sharply after day 7.
Sources
For the broader region, see our Canada weather hub or check conditions in Toronto Weather. Stay updated with daily gravenhurst news and the gravenhurst weather network for local alerts. If you need gravenhurst weather hourly details, the live forecast above refreshes regularly.