Weather Barrage de la Châteauguay-1 long-term weather forecast

Long-term weather forecast for Barrage de la Châteauguay-1 for ten days.

Saturday, May 2

8 / 4°C

1.2 mm

17 km/h

4 °C	2 °C	2 am
4 °C	1 °C	8 am
7 °C	4 °C	2 pm
7 °C	4 °C	8 pm

sunrise 5:41 am
sunset 8:03 pm

HOURLY

During the day morning light rain, later morning overcast, in the afternoon initially overcast, later cloudy, in the evening initially cloudy, later overcast. The highest temperature 8 °C. Total rainfall 1.2 mm. At night the lowest temperature 4 °C.

Interactive map weather Quebec

GPS: 45.3515; -73.7417

altitude: 22 m
local time:

PLACES IN THE AREA

Weather forecast Barrage de la Châteauguay-1, Quebec extended forecast

Time			Precip.	Wind	Pressure	Humidity	Dew	total	Fog	Low	Middle	High
Saturday 05/02/2026
2 AM	light rain	4 °C 2 °C	0.5 mm	2.6 m/s 9 km/h west-southwest	1011 hPa	89 %	2 °C	97 %	0%	76%	95%	0%
8 AM	overcast	4 °C 2 °C	0.4 mm	3.4 m/s 12 km/h west-southwest	1013 hPa	85 %	1 °C	100 %	0%	40%	100%	0%
2 PM	cloudy	7 °C 4 °C	0.3 mm	4.7 m/s 17 km/h west-southwest	1013 hPa	60 %	0 °C	73 %	0%	28%	69%	0%
8 PM	overcast	7 °C 5 °C	0.0 mm	2.3 m/s 8 km/h west	1013 hPa	60 %	0 °C	89 %	0%	89%	68%	0%
Sunday 05/03/2026
2 AM	overcast	4 °C 2 °C	0.0 mm	1.9 m/s 7 km/h southwest	1012 hPa	88 %	2 °C	91 %	0%	39%	89%	0%
8 AM	overcast	5 °C 3 °C	0.2 mm	2.1 m/s 8 km/h west	1012 hPa	86 %	2 °C	99 %	0%	28%	98%	0%
2 PM	overcast	10 °C 7 °C	0.0 mm	3.8 m/s 14 km/h west-northwest	1011 hPa	43 %	-2 °C	98 %	0%	25%	98%	0%
8 PM	overcast	7 °C 5 °C	0.0 mm	1.7 m/s 6 km/h south	1010 hPa	61 %	0 °C	88 %	0%	9%	85%	21%

Barrage de la Châteauguay-1, Quebec - information

State: Quebec

GPS coordinates: 45.3515; -73.7417

Time zone: America / Toronto time difference in hours with time in US is -6 hours

Altitude: 22 m
The administrative part:

Quebec, Quebec
Montérégie, Longueuil

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Data source

Weather forecast for Barrage de la Châteauguay-1 is supplied by MET Norway Norwegian Meteorological Institute and the NRK.

Feels like

To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.

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Astronomical information Barrage de la Châteauguay-1

data are always in the local time

Sun and light

May 2, 2026

Sunrise:	Sunset:
5:41 am	8:03 pm
Noon:	Length of day:
12:51 pm	14:21
Start of civil twilight*:	End of civil twilight*:
5:08 am	8:36 pm
Start of nautical twilight*:	End of nautical twilight*:
4:28 am	9:16 pm
Start of astronomical twilight*:	End of astronomical twilight*:
3:42 am	10:02 pm
* What is Twilight?

Moon and moon phases

Moonrise:	Moonset:
05/01/2026 8:29 pm	05/02/2026 5:38 am
Next new moon:	Next full moon:
05/16/2026	05/31/2026