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

13 October 2025

Night
4.4°C Feels like: 2.4°C	Clear
	Wind: 4 Km/h (2.5 mph) S Pressure: 1010 hPa (29.84 inHg) Humidity: 72%	Precip. prob.: 0% Visibility: 10 km (6 mi) UV index: 0
Morning
4.1°C Feels like: 3.3°C	Sunny
	Wind: 1.1 Km/h (0.7 mph) E Pressure: 1012 hPa (29.87 inHg) Humidity: 72%	Precip. prob.: 0% Visibility: 10 km (6 mi) UV index: 0.5
Day
11.6°C Feels like: 11.9°C	Sunny
	Wind: 6.8 Km/h (4.3 mph) E Pressure: 1024 hPa (30.22 inHg) Humidity: 64%	Precip. prob.: 0% Visibility: 10 km (6 mi) UV index: 1.8
Evening
8.1°C Feels like: 7.7°C	Clear
	Wind: 8.3 Km/h (5.1 mph) SW Pressure: 1025 hPa (30.26 inHg) Humidity: 83%	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.