Weather forecast in Lake Rosseau (ON)

This data display current weather and forecast for the coming days in Lake Rosseau. In addition to temperature, wind, humidity and pressure, we include data on the probability of precipitation so you can have all the information about your destination before your trip.

Lake Rosseau current temperature and weather

6 September 2025

Night
12.6°C Feels like: 11.5°C	Cloudy
	Wind: 15.8 Km/h (9.8 mph) SW Pressure: 1010 hPa (29.83 inHg) Humidity: 67%	Precip. prob.: 0% Visibility: 10 km (6 mi) UV index: 0
Morning
12.8°C Feels like: 11.8°C	Cloudy
	Wind: 14.8 Km/h (9.2 mph) SW Pressure: 1012 hPa (29.89 inHg) Humidity: 78%	Precip. prob.: 0% Visibility: 10 km (6 mi) UV index: 0.3
Day
15°C Feels like: 14.8°C	Overcast
	Wind: 18 Km/h (11.2 mph) W Pressure: 1013 hPa (29.93 inHg) Humidity: 67%	Precip. prob.: 0% Visibility: 10 km (6 mi) UV index: 2.8
Evening
12.9°C Feels like: 12.5°C	Overcast
	Wind: 7.6 Km/h (4.7 mph) NW Pressure: 1015 hPa (29.98 inHg) Humidity: 78%	Precip. prob.: 0% Visibility: 10 km (6 mi) UV index: 0

In order for you to be able to estimate what the weather is like in Lake Rosseau throughout the year, we provide monthly data for the last few years. Select the month you are interested in.

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Our report for Lake Rosseau is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.