Weather in Châteauguay

Quebec, 19 m · continuously updated

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Wind: –
Humidity: –
Rain ahead: –
Sunset: –

Temperature · last 4 and next 28 hours

Châteauguay weather: the next 24 hours

Updated hourly.

Châteauguay 14-day forecast

Two-week trend.

Rain radar

Sun and golden hours

Sunrise –, golden light until –

Sunset –, golden light from –

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Air quality

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European index, measured continuously.

UV index

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Daily maximum — protection advised from 3.

Freezing level

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Snow settles about 300 m below it.

Around Châteauguay

Neighbouring towns, as the crow flies.

Kahnawake6 km Dorval7 km Mercier8 km Pointe-Claire9 km Beaconsfield11 km Montréal-Ouest11 km Côte-Saint-Luc11 km Kirkland12 km

7-day forecast for Châteauguay

Today (Thursday 15 Oct) in Châteauguay: overcast, 5 to 11 °C, precipitation 0.0 mm (2 %), wind up to 22 km/h. Tomorrow: heavy rain, 5 to 13 °C.

Day	Weather	Min	Max	Precip.	Wind
Today	overcast	5 °C	11 °C	0.0 mm	22 km/h
Tomorrow	heavy rain	5 °C	13 °C	18.4 mm	34 km/h
Sat 17 Oct	overcast	2 °C	6 °C	0.0 mm	37 km/h
Sun 18 Oct	overcast	2 °C	14 °C	0.0 mm	27 km/h
Mon 19 Oct	overcast	7 °C	17 °C	0.0 mm	25 km/h
Tue 20 Oct	overcast	8 °C	16 °C	0.0 mm	18 km/h
Wed 21 Oct	overcast	3 °C	10 °C	0.0 mm	14 km/h

Forecast updated on 15.10.2026 at 11:44 (Open-Meteo model, elevation 19 m). The live block at the top of the page is refreshed hourly and covers 14 days.

Tomorrow's weather in Châteauguay

Tomorrow, Friday 16 Oct, in Châteauguay: heavy rain, from 5 to 13 °C, 18.4 mm of precipitation (probability 88 %), wind up to 34 km/h.

Hour	Weather	Temp.	Precip.	Chance	Wind
00:00	overcast	6 °C	0.0 mm	3 %	14 km/h
03:00	overcast	6 °C	0.0 mm	5 %	18 km/h
06:00	heavy drizzle	6 °C	1.1 mm	74 %	20 km/h
09:00	light rain	9 °C	1.4 mm	88 %	23 km/h
12:00	light drizzle	11 °C	0.4 mm	76 %	14 km/h
15:00	overcast	13 °C	0.0 mm	36 %	7 km/h
18:00	overcast	9 °C	0.0 mm	20 %	34 km/h
21:00	overcast	6 °C	0.0 mm	6 %	32 km/h

Frequently asked questions

Will it rain tomorrow in Châteauguay?

Yes: 18.4 mm expected, probability 88 %.

How warm will it be tomorrow in Châteauguay?

Between 5 and 13 °C.

The weekend

This weekend in Châteauguay: Saturday overcast, 2 to 6 °C, Sunday overcast, 2 to 14 °C.

Day	Weather	Min	Max	Precip.	Wind
Sat 17 Oct	overcast	2 °C	6 °C	0.0 mm	37 km/h
Sun 18 Oct	overcast	2 °C	14 °C	0.0 mm	27 km/h

Hour by hour

The next 48 hours in Châteauguay, hour by hour: temperature from 2 to 13 °C, 18.4 mm of rain expected.

Hour	Weather	Temp.	Precip.	Chance	Wind
11:00	sunny	9 °C	0.0 mm	0 %	10 km/h
12:00	sunny	10 °C	0.0 mm	0 %	8 km/h
13:00	partly cloudy	10 °C	0.0 mm	0 %	5 km/h
14:00	overcast	10 °C	0.0 mm	0 %	4 km/h
15:00	overcast	10 °C	0.0 mm	0 %	4 km/h
16:00	overcast	10 °C	0.0 mm	0 %	2 km/h
17:00	overcast	10 °C	0.0 mm	0 %	1 km/h
18:00	overcast	9 °C	0.0 mm	0 %	3 km/h
19:00	overcast	8 °C	0.0 mm	0 %	8 km/h
20:00	overcast	7 °C	0.0 mm	0 %	10 km/h
21:00	overcast	7 °C	0.0 mm	0 %	12 km/h
22:00	overcast	6 °C	0.0 mm	1 %	13 km/h
23:00	overcast	6 °C	0.0 mm	2 %	13 km/h
00:00	overcast	6 °C	0.0 mm	3 %	14 km/h
01:00	overcast	6 °C	0.0 mm	5 %	16 km/h
02:00	overcast	6 °C	0.0 mm	3 %	17 km/h
03:00	overcast	6 °C	0.0 mm	5 %	18 km/h
04:00	overcast	6 °C	0.0 mm	12 %	17 km/h
05:00	light drizzle	6 °C	0.4 mm	41 %	20 km/h
06:00	heavy drizzle	6 °C	1.1 mm	74 %	20 km/h
07:00	rain	7 °C	5.0 mm	83 %	25 km/h
08:00	heavy rain	9 °C	7.6 mm	88 %	27 km/h
09:00	light rain	9 °C	1.4 mm	88 %	23 km/h
10:00	heavy drizzle	9 °C	1.1 mm	76 %	23 km/h
11:00	light rain	10 °C	1.4 mm	74 %	18 km/h
12:00	light drizzle	11 °C	0.4 mm	76 %	14 km/h
13:00	overcast	12 °C	0.0 mm	71 %	14 km/h
14:00	overcast	12 °C	0.0 mm	43 %	5 km/h
15:00	overcast	13 °C	0.0 mm	36 %	7 km/h
16:00	overcast	13 °C	0.0 mm	36 %	30 km/h
17:00	overcast	11 °C	0.0 mm	37 %	32 km/h
18:00	overcast	9 °C	0.0 mm	20 %	34 km/h
19:00	overcast	8 °C	0.0 mm	15 %	34 km/h
20:00	overcast	7 °C	0.0 mm	8 %	32 km/h
21:00	overcast	6 °C	0.0 mm	6 %	32 km/h
22:00	overcast	6 °C	0.0 mm	3 %	32 km/h
23:00	partly cloudy	5 °C	0.0 mm	9 %	30 km/h
00:00	sunny	5 °C	0.0 mm	9 %	28 km/h
01:00	sunny	4 °C	0.0 mm	9 %	31 km/h
02:00	sunny	4 °C	0.0 mm	9 %	30 km/h
03:00	partly cloudy	4 °C	0.0 mm	0 %	30 km/h
04:00	overcast	4 °C	0.0 mm	0 %	32 km/h
05:00	mostly sunny	3 °C	0.0 mm	0 %	37 km/h
06:00	sunny	2 °C	0.0 mm	0 %	30 km/h
07:00	sunny	2 °C	0.0 mm	0 %	30 km/h
08:00	sunny	2 °C	0.0 mm	0 %	30 km/h
09:00	overcast	2 °C	0.0 mm	0 %	26 km/h
10:00	overcast	2 °C	0.0 mm	0 %	27 km/h

Location of Châteauguay

Châteauguay lies at 19 m, 65 m below the average of the 197 places we cover in Quebec (84 m). That makes it the 34th lowest of the 197. The main town, Montréal, lies 19 km to the north-east. The nearest places we cover are Kahnawake (6 km to the north-east), Dorval (7 km to the north), Mercier (8 km to the south) and Pointe-Claire (9 km to the north-west). With about 42,786 inhabitants according to GeoNames, Châteauguay is the 34th largest of the 197 places we cover in Quebec.