Canada/Quebec/Isle- Longueuil

Isle- Longueuil

Local Time: 12:21 PMElevation: 100mStation: MSC Automated Radar
5°C
Drizzle
Feels like 1°C7°4°
Canadian Humidex
5
Comfortable
3
Canada AQHI Index
Low Risk
Ideal for outdoor activities
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24-Hour Forecast & Precipitation Timeline
Full 48h Outlook
Now
7°
-
1 PM
6°
-
2 PM
6°
-
3 PM
5°
-
4 PM
5°
-
5 PM
4°
-
6 PM
4°
-
7 PM
4°
-
8 PM
3°
-
9 PM
3°
15%
10 PM
3°
20%
11 PM
3°
21%
12 AM
3°
20%
1 AM
3°
18%
2 AM
3°
15%
3 AM
4°
-
4 AM
4°
-
5 AM
5°
-
6 AM
5°
-
7 AM
5°
14%
8 AM
5°
30%
9 AM
5°
52%
10 AM
5°
71%
11 AM
4°
83%
14-Day Extended Trend (HRDPS & GEM Models)
14-Day View
Today
9.9mm
4°
7°
Sat
6.2mm
3°
5°
Sun
7.1mm
5°
8°
Mon
2.5mm
5°
8°
Tue
0%
4°
10°
Wed
1.8mm
8°
13°
Thu
0%
7°
10°
Official Canadian Ensemble ForecastUpdated 15 mins ago
Wind & Gust Velocity
17km/h
Peak Gusts: 35 km/h
NSWE
Wind blowing from 349°. Calm to moderate breeze for Canadian standards.
Canada AQHI (Air Quality)
Scale 1 - 10+
3Low Risk

Ideal air quality for outdoor Canadian activities and sports.

PM2.5: 0.3 µg/m³
Ozone: 50 ppb
Solar Cycle & Golden Hour
Sunrise
2:36 AM
Sunset
3:09 PM
Timezone: America/Toronto
Atmospheric Diagnostics
Humidity
72%
Dew Point: 5°C
Max UV
0
Moderate Exposure
Pressure
1018 hPa
Stable Trend
Visibility
16+ km
Clear Horizon
Cloud Cover: 50%

Isle- Longueuil Live Precipitation Radar

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Isle- Longueuil Live Doppler RadarMSC Dual-Pol

Isle- Longueuil, QC • Lat: 57.34° N, Lon: 74.76° W • Sweep 10m

100%
Doppler Beam: 250 km Radius
Isle- Longueuil, QC
N 0°
S 180°
W 270°
E 90°
Precipitation Reflectivity (dBZ)MSC 5.6 GHz
Flurries / DrizzleHeavy Snow / Hail
LiveLIVE
Frame 5 of 6
Climate Normals

Isle- Longueuil 30-Year Weather History & Monthly Averages

Explore month-by-month temperatures, annual snowfall in cm, rainy days, and historical record highs and lows.

View Jan - Dec Climate Table
Health & Environment

Isle- Longueuil Air Quality & Wildfire Smoke Report

Detailed Canadian AQHI breakdown, fine particulate matter (PM2.5), ground-level ozone, and health guidance.

View AQHI Health Index

Frequently Asked Questions About Weather in Isle- Longueuil, QC

What is the current temperature and conditions in Isle- Longueuil?

As of today, the temperature in Isle- Longueuil is 5.4°C with drizzle. The apparent temperature (feels like) is 0.9°C with relative humidity at 72%.

How does Wind Chill and Humidex affect Isle- Longueuil?

During warmer conditions, the Canadian Humidex indicates comfort levels. The current Humidex is 5 (Comfortable).

What is the Air Quality Health Index (AQHI) for Isle- Longueuil?

The current AQHI for Isle- Longueuil is 3 (Low Risk). It is calculated based on ground-level ozone, fine particulate matter (PM2.5), and nitrogen dioxide levels according to Health Canada standards.

Where does the meteorological data for Isle- Longueuil come from?

Forecasts are generated using high-resolution Canadian Deterministic Prediction System (HRDPS 2.5km) and Global Environmental Multiscale (GEM) models alongside official Environment and Climate Change Canada Doppler radar feeds.

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