Canada/Quebec/Petit- Longueuil

Petit- Longueuil

Local Time: 6:35 PMElevation: 299mStation: MSC Automated Radar
8°C
Rain Showers
Feels like 5°C10°3°
Canadian Humidex
8
Comfortable
4
Canada AQHI Index
Moderate Risk
Ideal for outdoor activities
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24-Hour Forecast & Precipitation Timeline
Full 48h Outlook
Now
6°
100%
7 PM
6°
100%
8 PM
6°
100%
9 PM
6°
100%
10 PM
6°
92%
11 PM
6°
69%
12 AM
6°
39%
1 AM
6°
20%
2 AM
6°
21%
3 AM
5°
32%
4 AM
6°
45%
5 AM
6°
61%
6 AM
6°
79%
7 AM
6°
86%
8 AM
7°
73%
9 AM
8°
48%
10 AM
9°
27%
11 AM
9°
15%
12 PM
8°
-
1 PM
8°
-
2 PM
7°
-
3 PM
6°
-
4 PM
5°
-
5 PM
5°
-
14-Day Extended Trend (HRDPS & GEM Models)
14-Day View
Today
6.3mm
3°
10°
Fri
2.6mm
4°
9°
Sat
2.4mm
3°
7°
Sun
3.1mm
5°
7°
Mon
0%
4°
8°
Tue
0%
2°
13°
Wed
0%
6°
16°
Official Canadian Ensemble ForecastUpdated 15 mins ago
Wind & Gust Velocity
13km/h
Peak Gusts: 31 km/h
NSWE
Wind blowing from 168°. 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: 2.7 µg/m³
Ozone: 69 ppb
Solar Cycle & Golden Hour
Sunrise
2:45 AM
Sunset
3:19 PM
Timezone: America/Toronto
Atmospheric Diagnostics
Humidity
91%
Dew Point: 2°C
Max UV
0
Moderate Exposure
Pressure
1015 hPa
Stable Trend
Visibility
16+ km
Clear Horizon
Cloud Cover: 100%

Petit- Longueuil Live Precipitation Radar

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Petit- Longueuil Live Doppler RadarMSC Dual-Pol

Petit- Longueuil, QC • Lat: 54.50° N, Lon: 77.16° W • Sweep 10m

100%
Doppler Beam: 250 km Radius
Petit- 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

Petit- 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

Petit- 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 Petit- Longueuil, QC

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

As of today, the temperature in Petit- Longueuil is 7.5°C with rain showers. The apparent temperature (feels like) is 4.6°C with relative humidity at 91%.

How does Wind Chill and Humidex affect Petit- Longueuil?

During warmer conditions, the Canadian Humidex indicates comfort levels. The current Humidex is 8 (Comfortable).

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

The current AQHI for Petit- 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 Petit- 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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