🌤️ New York, NY 🌤️ Los Angeles, CA Chicago, IL 80° 🌤️ Houston, TX Miami, FL 82° Phoenix, AZ 118° Seattle, WA 83° 🌤️ Denver, CO Toronto, ON 77° 🌤️ Vancouver, BC
WeatherLiveQuebecSaint-Constant

Saint-Constant, QC Weather

Current WeatherSaint-Constant · 8:22 PM EDT
83° | 55°
70°F
Feels like 69°
Sunny
WindSE 2 mph · Gusts 7 mph
Precip3% · –
Humidity46% · Dew point 48°
UV index7 High
Air Quality52 Moderate
Pressure30.12 inHg
Visibility6 mi
Sunrise / Sunset6:02 AM · 7:52 PM · 13h 50m

Weather map — Saint-Constant

Full radar →
Now
70°
1%
2 mph
21:00
67°
2%
3 mph
22:00
65°
2%
3 mph
23:00
64°
3%
3 mph
00:00
62°
3%
3 mph
01:00
61°
3%
4 mph
02:00
60°
3%
4 mph
03:00
59°
4%
4 mph
04:00
58°
4%
4 mph
05:00
56°
5%
4 mph
06:00
55°
7%
4 mph
07:00
56°
7%
4 mph
08:00
60°
5%
4 mph
09:00
63°
4%
4 mph
10:00
67°
3%
4 mph
11:00
71°
3%
6 mph
12:00
74°
2%
7 mph
13:00
76°
2%
8 mph
14:00
78°
2%
8 mph
15:00
80°
1%
9 mph
16:00
80°
10%
8 mph
17:00
77°
6%
5 mph
18:00
77°
3%
5 mph
19:00
74°
9%
5 mph

Today · Fri 8/21

High 83°
3% / –

Sunny. Winds NE at 4 mph.

Tonight · Fri 8/21

Low 55°
2% / –

Sunny. Winds E at 3 mph.

Tomorrow · Sat 8/22

80° | 55°
5% / –

Sunny. Winds E at 10 mph.

7-day trend

Saint-Constant · temperature + precipitation

10-day forecast

Updated 8:22 PM

Details & indices

Wind
2 mph SE
Gusts 7 mph
Humidity
46%
Dew point 48°
Pressure
30.12 inHg
Rising
UV index
7 — High
High today
Air Quality
Moderate
AQI 52 · US EPA
Allergy
Very high
Mugwort
Visibility
6 mi
Clear view
Allergy — Saint-Constant

🌿 Conditions right now

View all →
Birch
None
Grass
High
Oak
None
Alder
None
Hazel
None
Mugwort
Very high
Ragweed
Low

Sun & moon

Sunrise6:02 AM
Sunset7:52 PM
Length of day13h 50m
Moonrise4:08 PM
Moonset
Next full moonAug 28 Sturgeon Moon
Latitude45.3668°N
Longitude-73.5659°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
Montréal
Sunny
75°
🌤️
Québec
Laval
Sunny
76°
Gatineau
Sunny
78°
Longueuil
Sunny
81°
🌤️
Saguenay
Data sources · Friday, August 21
Where the Saint-Constant forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 45.3668°N, -73.5659°.
NBM + global weather models
Updated: 8:22 PM
Weather in Saint-Constant
The 10-day span for Saint-Constant runs from a high near 83° on Friday down to 52° overnight on Saturday. About 1.1 in of precipitation is expected in total; the most likely wet day is Sunday (86% chance). Hold onto the patio furniture Saturday: gusts could hit 26 mph. The NWS alert board for this area is currently clear. Right now Saint-Constant is running about 15° warmer than Saint-Louis-de-Terrebonne. Longer view: four full seasons with serious winter and real summer heat.
Saint-Constant, QC · Elev 85 ft · 45.37°N, 73.57°W · Quebec · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 8:22 PM