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

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

Tuesday, May 5

12 / 4°C

7.6 mm

21 km/h

9 °C	6 °C	2 am
9 °C	6 °C	8 am
10 °C	9 °C	2 pm
8 °C	6 °C	8 pm

sunrise 5:37 am
sunset 8:06 pm

HOURLY

During the day morning light rain, later morning heavy rain, in the afternoon initially heavy rain, later cloudy. The highest temperature 12 °C. Total rainfall 7.6 mm. At night overcast. 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
Tuesday 05/05/2026
2 AM	light rain	9 °C 6 °C	0.5 mm	6.5 m/s 23 km/h south-southeast	1003 hPa	65 %	3 °C	100 %	0%	0%	0%	100%
8 AM	heavy rain	9 °C 6 °C	6.9 mm	8.3 m/s 30 km/h south-southeast	999 hPa	74 %	4 °C	100 %	0%	10%	100%	100%
2 PM	cloudy	10 °C 8 °C	0.2 mm	5.8 m/s 21 km/h southwest	1000 hPa	81 %	7 °C	73 %	0%	53%	58%	0%
8 PM	cloudy	8 °C 6 °C	0.0 mm	4.6 m/s 17 km/h southwest	1006 hPa	76 %	4 °C	41 %	0%	27%	34%	0%
Wednesday 05/06/2026
2 AM	overcast	5 °C 3 °C	0.0 mm	3.0 m/s 11 km/h southwest	1010 hPa	80 %	1 °C	100 %	0%	7%	0%	100%
8 AM	overcast	6 °C 4 °C	0.0 mm	2.1 m/s 8 km/h southeast	1011 hPa	73 %	1 °C	100 %	0%	0%	4%	100%
2 PM	rain	14 °C 12 °C	4.3 mm	4.7 m/s 17 km/h southeast	1006 hPa	57 %	5 °C	100 %	0%	0%	100%	100%
8 PM	rain	13 °C 12 °C	4.5 mm	6.6 m/s 24 km/h south-southeast	1001 hPa	79 %	9 °C	100 %	0%	3%	100%	100%

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 5, 2026

Sunrise:	Sunset:
5:37 am	8:06 pm
Noon:	Length of day:
12:51 pm	14:29
Start of civil twilight*:	End of civil twilight*:
5:03 am	8:40 pm
Start of nautical twilight*:	End of nautical twilight*:
4:23 am	9:21 pm
Start of astronomical twilight*:	End of astronomical twilight*:
3:35 am	10:08 pm
* What is Twilight?

Moon and moon phases

Moonrise:	Moonset:
05/04/2026 11:39 pm	05/05/2026 7:33 am
Next new moon:	Next full moon:
05/16/2026	05/31/2026