Live Weather & Forecast
Weather in Châteauguay
Québec, Canada · Real-time conditions & 3-day outlook
4°C
Feels like 1°C
39°F / Feels 33°F
Sunny
Châteauguay, Québec
🌞 Daytime
Updated: 2026-04-25 07:30
Humidity
65%
Wind
15.5 km/h NE
Wind Gust
21.6 km/h
Pressure
1019 mb
Visibility
48 km
UV Index
0.2
(Low)
Precipitation
0 mm
Cloud Cover
25%
Dew Point
-1.5°C
Wind Degree
54°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
190.9 μg/m³
NO₂
2.5 μg/m³
O₃
76 μg/m³
SO₂
1.9 μg/m³
PM 2.5
2.5 μg/m³
PM 10
2.8 μg/m³
Today's Hourly Forecast
24-hour breakdown for Châteauguay, Québec
12 AM
3°
Clear
1 AM
3°
Clear
2 AM
2°
Clear
3 AM
2°
Clear
4 AM
1°
Clear
5 AM
1°
Clear
6 AM
1°
Sunny
7 AM
4°
Sunny
8 AM
4°
Sunny
9 AM
6°
Sunny
10 AM
8°
Sunny
11 AM
9°
Sunny
12 PM
11°
Sunny
1 PM
12°
Sunny
2 PM
13°
Sunny
3 PM
14°
Sunny
4 PM
15°
Sunny
5 PM
14°
Sunny
6 PM
13°
Overcast
7 PM
11°
Sunny
8 PM
10°
Clear
9 PM
9°
Clear
10 PM
8°
Clear
11 PM
8°
Clear
3-Day Forecast
Daily overview for Châteauguay, Québec
Today
Sunny
16°
/
1°
🌧️ 0% chance of rain
💧 Avg. humidity: 59%
💨 Max wind: 18 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 6
🌅 Sunrise: 05:53 AM
🌇 Sunset: 07:54 PM
🌙 Waxing Gibbous
🌑 Moon: 60% lit
Sun, Apr 26
Sunny
15°
/
3°
🌧️ 0% chance of rain
💧 Avg. humidity: 61%
💨 Max wind: 13.7 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 5.6
🌅 Sunrise: 05:51 AM
🌇 Sunset: 07:55 PM
🌙 Waxing Gibbous
🌑 Moon: 70% lit
Mon, Apr 27
Sunny
18°
/
5°
🌧️ 0% chance of rain
💧 Avg. humidity: 62%
💨 Max wind: 11.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 6
🌅 Sunrise: 05:50 AM
🌇 Sunset: 07:57 PM
🌙 Waxing Gibbous
🌑 Moon: 79% lit
Best Time to Visit Châteauguay
Plan your trip to Châteauguay, Canada around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Châteauguay?
Current conditions in Châteauguay: Sunny, temperature 4°C, humidity 65%.
What is the best time to visit Châteauguay?
The best time to visit Châteauguay is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Châteauguay?
Châteauguay is located at approximately 45.4° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Châteauguay?
The wettest period in Châteauguay is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Châteauguay?
For visits to Châteauguay during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Châteauguay in 2026?
View the 2026 public holidays for Châteauguay on our Holidays page.
What are the GPS coordinates used for the weather forecast in Châteauguay?
The weather forecast for Châteauguay uses coordinates 45.3602, -73.7494.
What is the current temperature outside in Châteauguay?
The current outdoor temperature in Châteauguay is 4°C (39°F) with sunny.
What is the hourly weather forecast for Châteauguay today?
Today's hour-by-hour weather breakdown for Châteauguay is shown in the Hourly Forecast section above, including temperature, rain chance, and conditions for each hour of the day.
What is the weather in Châteauguay tomorrow hour by hour?
Tomorrow's forecast for Châteauguay shows a high of 15°C and a low of 3°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in Châteauguay?
Rain is not expected in Châteauguay today. Current forecast shows no significant rain probability.
Is it going to rain today in Châteauguay?
No, rain is not forecast for Châteauguay today. Current conditions show clear to partly cloudy skies.