Canada/Quebec/Haut- Longueuil

Haut- Longueuil

Local Time: 12:41 PMElevation: 133mStation: MSC Automated Radar
8°C
Overcast
Feels like 4°C9°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
9°
76%
1 PM
8°
67%
2 PM
8°
53%
3 PM
7°
36%
4 PM
7°
27%
5 PM
6°
34%
6 PM
6°
49%
7 PM
6°
63%
8 PM
5°
74%
9 PM
5°
84%
10 PM
5°
86%
11 PM
5°
75%
12 AM
5°
56%
1 AM
5°
41%
2 AM
5°
30%
3 AM
5°
22%
4 AM
5°
24%
5 AM
6°
44%
6 AM
5°
74%
7 AM
6°
94%
8 AM
7°
96%
9 AM
8°
88%
10 AM
9°
76%
11 AM
9°
58%
14-Day Extended Trend (HRDPS & GEM Models)
14-Day View
Today
1.2mm
3°
9°
Fri
2.7mm
2°
9°
Sat
4.3mm
2°
6°
Sun
6.8mm
4°
7°
Mon
0.3mm
5°
8°
Tue
0%
3°
10°
Wed
0%
6°
17°
Official Canadian Ensemble ForecastUpdated 15 mins ago
Wind & Gust Velocity
14km/h
Peak Gusts: 31 km/h
NSWE
Wind blowing from 222°. 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: 8.6 µg/m³
Ozone: 72 ppb
Solar Cycle & Golden Hour
Sunrise
2:37 AM
Sunset
3:12 PM
Timezone: America/Toronto
Atmospheric Diagnostics
Humidity
73%
Dew Point: 3°C
Max UV
0
Moderate Exposure
Pressure
1021 hPa
Stable Trend
Visibility
16+ km
Clear Horizon
Cloud Cover: 100%

Haut- Longueuil Live Precipitation Radar

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Haut- Longueuil Live Doppler RadarMSC Dual-Pol

Haut- Longueuil, QC • Lat: 55.07° N, Lon: 75.29° W • Sweep 10m

100%
Doppler Beam: 250 km Radius
Haut- 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

Haut- 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

Haut- 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 Haut- Longueuil, QC

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

As of today, the temperature in Haut- Longueuil is 7.8°C with overcast. The apparent temperature (feels like) is 4.2°C with relative humidity at 73%.

How does Wind Chill and Humidex affect Haut- 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 Haut- Longueuil?

The current AQHI for Haut- 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 Haut- 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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