Weather Forecast for Montreal
Quebec, Canada
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Current Weather - Montreal: 18°C
Current Weather - Montreal: 18°C
Quebec, Canada
Clear
Feels like 19°C
Wind
4 km/h WSW
Humidity
88%
Pressure
1010 mb
UV Index
0
Visibility
10 km
Sunny
Friday, September 04, 2026
High
24°C
Low
17°C
Rain Chance
36%
Hourly Forecast
20°C
22°C
22°C
23°C
24°C
21°C
22°C
23°C
22°C
19°C
19°C
19°C
18°C
17°C
Day Statistics
Maximum Wind
16 km/h
Humidity
76%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
36%
Snow Chance
0%
Sun & Moon
Sunrise
06:19 AM
Sunset
07:27 PM
Moonrise
10:54 PM
Moonset
02:52 PM
Moon Phase
Last Quarter
Moon Illumination
39%
Air Quality
PM2.5
5.4
μg/m³
PM10
5.5
μg/m³
NO₂
15.1
μg/m³
O₃
51.2
μg/m³
SO₂
3.6
μg/m³
CO
249.3
μg/m³
Patchy rain nearby
Saturday, September 05, 2026
High
19°C
Low
14°C
Rain Chance
79%
Hourly Forecast
17°C
16°C
16°C
16°C
16°C
15°C
15°C
15°C
16°C
16°C
16°C
16°C
16°C
17°C
19°C
17°C
16°C
16°C
15°C
14°C
14°C
14°C
14°C
14°C
Day Statistics
Maximum Wind
18 km/h
Humidity
88%
Precipitation
3 mm
UV Index
4
Visibility
10 km
Rain Chance
79%
Snow Chance
0%
Sun & Moon
Sunrise
06:20 AM
Sunset
07:25 PM
Moonrise
11:57 PM
Moonset
03:56 PM
Moon Phase
Waning Crescent
Moon Illumination
29%
Air Quality
PM2.5
3
μg/m³
PM10
3.2
μg/m³
NO₂
8.9
μg/m³
O₃
54.6
μg/m³
SO₂
3.2
μg/m³
CO
164.7
μg/m³
Sunny
Sunday, September 06, 2026
High
22°C
Low
11°C
Rain Chance
7%
Hourly Forecast
14°C
14°C
13°C
12°C
12°C
12°C
11°C
11°C
12°C
14°C
16°C
18°C
19°C
20°C
21°C
22°C
22°C
22°C
21°C
19°C
18°C
17°C
17°C
17°C
Day Statistics
Maximum Wind
14 km/h
Humidity
72%
Precipitation
0 mm
UV Index
5
Visibility
9 km
Rain Chance
7%
Snow Chance
0%
Sun & Moon
Sunrise
06:21 AM
Sunset
07:23 PM
Moonrise
Does not rise today
Moonset
04:50 PM
Moon Phase
Waning Crescent
Moon Illumination
20%
Air Quality
PM2.5
5.3
μg/m³
PM10
5.4
μg/m³
NO₂
13.9
μg/m³
O₃
49.3
μg/m³
SO₂
4.2
μg/m³
CO
190.1
μg/m³
Sunny
Monday, September 07, 2026
High
24°C
Low
14°C
Rain Chance
22%
Hourly Forecast
16°C
16°C
15°C
15°C
15°C
14°C
14°C
14°C
15°C
17°C
19°C
21°C
22°C
23°C
24°C
24°C
24°C
24°C
22°C
21°C
20°C
20°C
18°C
19°C
Day Statistics
Maximum Wind
19 km/h
Humidity
66%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
22%
Snow Chance
0%
Sun & Moon
Sunrise
06:23 AM
Sunset
07:21 PM
Moonrise
01:12 AM
Moonset
05:32 PM
Moon Phase
Waning Crescent
Moon Illumination
12%
Air Quality
PM2.5
8.1
μg/m³
PM10
8.2
μg/m³
NO₂
23.4
μg/m³
O₃
40.5
μg/m³
SO₂
5.8
μg/m³
CO
231.5
μg/m³
Sunny
Tuesday, September 08, 2026
High
19°C
Low
9°C
Rain Chance
57%
Hourly Forecast
17°C
16°C
18°C
13°C
12°C
16°C
10°C
9°C
13°C
12°C
13°C
16°C
16°C
17°C
19°C
19°C
19°C
19°C
18°C
17°C
16°C
15°C
15°C
14°C
Day Statistics
Maximum Wind
16 km/h
Humidity
61%
Precipitation
1 mm
UV Index
5
Visibility
10 km
Rain Chance
57%
Snow Chance
0%
Sun & Moon
Sunrise
06:24 AM
Sunset
07:19 PM
Moonrise
02:35 AM
Moonset
06:04 PM
Moon Phase
Waning Crescent
Moon Illumination
6%
Air Quality
PM2.5
4.8
μg/m³
PM10
4.9
μg/m³
NO₂
17.1
μg/m³
O₃
36.3
μg/m³
SO₂
4
μg/m³
CO
245.4
μg/m³
Overcast
Wednesday, September 09, 2026
High
20°C
Low
12°C
Rain Chance
19%
Hourly Forecast
14°C
14°C
13°C
13°C
12°C
12°C
12°C
12°C
12°C
14°C
16°C
18°C
19°C
20°C
20°C
20°C
20°C
20°C
19°C
18°C
17°C
17°C
17°C
17°C
Day Statistics
Maximum Wind
13 km/h
Humidity
74%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
19%
Snow Chance
0%
Sun & Moon
Sunrise
06:25 AM
Sunset
07:17 PM
Moonrise
04:01 AM
Moonset
06:30 PM
Moon Phase
New Moon
Moon Illumination
2%
Patchy rain nearby
Thursday, September 10, 2026
High
22°C
Low
13°C
Rain Chance
76%
Hourly Forecast
17°C
17°C
17°C
17°C
17°C
17°C
17°C
17°C
17°C
18°C
18°C
19°C
20°C
21°C
22°C
21°C
21°C
20°C
18°C
16°C
14°C
14°C
13°C
13°C
Day Statistics
Maximum Wind
28 km/h
Humidity
79%
Precipitation
5 mm
UV Index
5
Visibility
10 km
Rain Chance
76%
Snow Chance
0%
Sun & Moon
Sunrise
06:26 AM
Sunset
07:15 PM
Moonrise
05:25 AM
Moonset
06:52 PM
Moon Phase
New Moon
Moon Illumination
0%
Weather Alerts
squall watch in effect
Conditions this evening are favourable for the development of squalls with wind gusts up to 35 knots and frequent lightning. ### Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.
Vessels without lightning protection should make their way to shore immediately. Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway. Consider delaying or postponing travel in areas under the Squall Watch.
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