Canada/Quebec/Isle- Longueuil

Isle- Longueuil

Local Time: 12:50 PMElevation: 214mStation: MSC Automated Radar
6°C
Overcast
Feels like 1°C7°3°
Canadian Humidex
6
Comfortable
4
Canada AQHI Index
Moderate Risk
Ideal for outdoor activities
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24-Hour Forecast & Precipitation Timeline
Full 48h Outlook
Now
7°
-
1 PM
7°
-
2 PM
7°
-
3 PM
6°
-
4 PM
5°
-
5 PM
5°
-
6 PM
5°
-
7 PM
4°
-
8 PM
5°
-
9 PM
4°
-
10 PM
4°
-
11 PM
4°
-
12 AM
3°
-
1 AM
3°
18%
2 AM
3°
32%
3 AM
3°
49%
4 AM
4°
63%
5 AM
4°
72%
6 AM
4°
77%
7 AM
4°
82%
8 AM
4°
88%
9 AM
3°
93%
10 AM
3°
92%
11 AM
4°
82%
14-Day Extended Trend (HRDPS & GEM Models)
14-Day View
Today
0.8mm
3°
7°
Fri
3.5mm
1°
5°
Sat
0.4mm
-1°
5°
Sun
2.1mm
2°
6°
Mon
5.7mm
2°
5°
Tue
0%
1°
7°
Wed
0%
7°
15°
Official Canadian Ensemble ForecastUpdated 15 mins ago
Wind & Gust Velocity
19km/h
Peak Gusts: 40 km/h
NSWE
Wind blowing from 253°. Calm to moderate breeze for Canadian standards.
Canada AQHI (Air Quality)
Scale 1 - 10+
4Moderate Risk

No need to modify usual outdoor activities unless you experience symptoms such as coughing or throat irritation.

PM2.5: 2.9 µg/m³
Ozone: 72 ppb
Solar Cycle & Golden Hour
Sunrise
2:21 AM
Sunset
2:58 PM
Timezone: America/Toronto
Atmospheric Diagnostics
Humidity
64%
Dew Point: 3°C
Max UV
0
Moderate Exposure
Pressure
1020 hPa
Stable Trend
Visibility
16+ km
Clear Horizon
Cloud Cover: 100%

Isle- Longueuil Live Precipitation Radar

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Isle- Longueuil Live Doppler RadarMSC Dual-Pol

Isle- Longueuil, QC • Lat: 56.71° N, Lon: 71.60° 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 5.8°C with overcast. The apparent temperature (feels like) is 0.8°C with relative humidity at 64%.

How does Wind Chill and Humidex affect Isle- Longueuil?

During warmer conditions, the Canadian Humidex indicates comfort levels. The current Humidex is 6 (Comfortable).

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

The current AQHI for Isle- Longueuil is 4 (Moderate 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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