Weather forecast in Lake Saint-Jean (QC)

This data display current weather and forecast for the coming days in Lake Saint-Jean. 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 Saint-Jean current temperature and weather

29 January 2026

Night
-22.6°C Feels like: -32.6°C	Clear
	Wind: 7.9 Km/h (4.9 mph) W Pressure: 1016 hPa (30.01 inHg) Humidity: 58%	Precip. prob.: 0% Visibility: 2 km (1 mi) UV index: 0
Morning
-23.1°C Feels like: -33.9°C	Overcast
	Wind: 19.8 Km/h (12.3 mph) NW Pressure: 1017 hPa (30.02 inHg) Humidity: 66%	Precip. prob.: 0% Visibility: 10 km (6 mi) UV index: 0.4
Day
-14.5°C Feels like: -24.2°C	Overcast
	Wind: 24.8 Km/h (15.4 mph) NW Pressure: 1014 hPa (29.95 inHg) Humidity: 58%	Precip. prob.: 0% Visibility: 5 km (3 mi) UV index: 0.2
Evening
-16.6°C Feels like: -26.7°C	Overcast
	Wind: 24.5 Km/h (15.2 mph) NW Pressure: 1015 hPa (29.97 inHg) Humidity: 79%	Precip. prob.: 0% Visibility: 5 km (3 mi) UV index: 0

In order for you to be able to estimate what the weather is like in Lake Saint-Jean 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 Saint-Jean 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.