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

8 January 2026

Night
-5.6°C Feels like: -6.4°C	Light snow
	Wind: 3.6 Km/h (2.2 mph) SW Pressure: 1013 hPa (29.91 inHg) Humidity: 91%	Precip. prob.: 100% Visibility: 2 km (1 mi) UV index: 0
Morning
-3.2°C Feels like: -6.4°C	Cloudy
	Wind: 7.9 Km/h (4.9 mph) SW Pressure: 1016 hPa (29.99 inHg) Humidity: 89%	Precip. prob.: 0% Visibility: 10 km (6 mi) UV index: 0.3
Day
0.9°C Feels like: -1.5°C	Sunny
	Wind: 4.3 Km/h (2.7 mph) S Pressure: 1018 hPa (30.06 inHg) Humidity: 76%	Precip. prob.: 0% Visibility: 10 km (6 mi) UV index: 0.2
Evening
-3°C Feels like: -6.2°C	Partly Cloudy
	Wind: 13.3 Km/h (8.3 mph) SW Pressure: 1020 hPa (30.11 inHg) Humidity: 88%	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 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.