Live Weather & Forecast
Weather in Longueuil
Québec, Canada · Real-time conditions & 3-day outlook
10°C
Feels like 8°C
51°F / Feels 47°F
Sunny
Longueuil, Québec
🌞 Daytime
Updated: 2026-04-25 10:15
Humidity
37%
Wind
16.6 km/h ENE
Wind Gust
19 km/h
Pressure
1019 mb
Visibility
14 km
UV Index
3.4
(Moderate)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
-2.9°C
Wind Degree
66°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
157.9 μg/m³
NO₂
3.9 μg/m³
O₃
96 μg/m³
SO₂
3.1 μg/m³
PM 2.5
3.1 μg/m³
PM 10
3.9 μg/m³
Today's Hourly Forecast
24-hour breakdown for Longueuil, Québec
12 AM
5°
Clear
1 AM
4°
Clear
2 AM
3°
Clear
3 AM
2°
Clear
4 AM
2°
Clear
5 AM
2°
Clear
6 AM
2°
Sunny
7 AM
4°
Sunny
8 AM
5°
Sunny
9 AM
7°
Sunny
10 AM
10°
Sunny
11 AM
11°
Sunny
12 PM
12°
Sunny
1 PM
13°
Sunny
2 PM
14°
Sunny
3 PM
15°
Sunny
4 PM
16°
Sunny
5 PM
14°
Sunny
6 PM
13°
Sunny
7 PM
12°
Sunny
8 PM
10°
Clear
9 PM
9°
Clear
10 PM
8°
Clear
11 PM
8°
Clear
3-Day Forecast
Daily overview for Longueuil, Québec
Today
Sunny
16°
/
1°
🌧️ 0% chance of rain
💧 Avg. humidity: 51%
💨 Max wind: 16.9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 6.2
🌅 Sunrise: 05:52 AM
🌇 Sunset: 07:54 PM
🌙 Waxing Gibbous
🌑 Moon: 60% lit
Sun, Apr 26
Sunny
15°
/
4°
🌧️ 0% chance of rain
💧 Avg. humidity: 61%
💨 Max wind: 13.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 5.7
🌅 Sunrise: 05:50 AM
🌇 Sunset: 07:55 PM
🌙 Waxing Gibbous
🌑 Moon: 70% lit
Mon, Apr 27
Sunny
18°
/
5°
🌧️ 0% chance of rain
💧 Avg. humidity: 61%
💨 Max wind: 10.1 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 5.9
🌅 Sunrise: 05:48 AM
🌇 Sunset: 07:56 PM
🌙 Waxing Gibbous
🌑 Moon: 79% lit
Best Time to Visit Longueuil
Plan your trip to Longueuil, 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 Longueuil?
Current conditions in Longueuil: Sunny, temperature 10°C, humidity 37%.
What is the best time to visit Longueuil?
The best time to visit Longueuil is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Longueuil?
Longueuil is located at approximately 45.5° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Longueuil?
The wettest period in Longueuil is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Longueuil?
For visits to Longueuil during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Longueuil in 2026?
View the 2026 public holidays for Longueuil on our Holidays page.
What are the GPS coordinates used for the weather forecast in Longueuil?
The weather forecast for Longueuil uses coordinates 45.5219, -73.4645.
What is the current temperature outside in Longueuil?
The current outdoor temperature in Longueuil is 10°C (50°F) with sunny.
What is the hourly weather forecast for Longueuil today?
Today's hour-by-hour weather breakdown for Longueuil 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 Longueuil tomorrow hour by hour?
Tomorrow's forecast for Longueuil shows a high of 15°C and a low of 4°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in Longueuil?
Rain is not expected in Longueuil today. Current forecast shows no significant rain probability.
Is it going to rain today in Longueuil?
No, rain is not forecast for Longueuil today. Current conditions show clear to partly cloudy skies.