Sat
Apr 27
Very stable
~4
l/m2
74%
Sun
Apr 28
Mostly stable
~16
l/m2
89%
Mon
Apr 29
Extremely stable
~0.3
l/m2
34%
Tue
Apr 30
Extremely stable
Wed
May 1
Extremely stable
Fri
May 3
Mostly stable
~15
l/m2
92%
27 Apr will be with moderate temperatures and the weather will be very stable.
There is a 74% probability of moderate rainfall.
The sky will be overcast:
96% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
72% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
43% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
The highest temperature will reach 17 degrees Celsius, while the the lowest temperature will drop to 9 degrees Celsius. The wind will be a moderate breeze, and the mean air pressure will be 1024 mb. Relative humidity will be high.
Saturday
Weather
Precipitation mm probability
Showers (% of Precipitation)
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
11:00
12 °C
10 °C
20 km/h 
26 km/h
1029 mb
48.8%
2,162 m
576 m
Apr, 27 11:00 @ Extremely stable
14:00
17 °C
15 °C
23 km/h 
28 km/h
1026 mb
44.8%
2,969 m
1,054 m
Apr, 27 14:00 @ Extremely stable
17:00
15 °C
14 °C
21 km/h
37 km/h
1023 mb
53.2%
3,105 m
529 m
Apr, 27 17:00 @ Extremely stable
20:00
0.4 53%
12 °C
10 °C
17 km/h 
32 km/h
1022 mb
73.3%
2,908 m
302 m
Apr, 27 20:00 @ Very stable
23:00
3.1 74%
10 °C
7 °C
21 km/h
36 km/h
1022 mb
93.0%
3,068 m
350 m
Apr, 27 23:00 @ Stable
28 Apr will be with moderate temperatures and the weather will be stable, thunderstorms not likely.
There is a 89% probability of moderate rainfall and showers.
The sky will be overcast:
38% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
79% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
93% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
27% convective clouds (Cumulonimbus)
The highest temperature will reach 16 degrees Celsius, while the the lowest temperature will drop to 9 degrees Celsius. The wind will be a moderate breeze, fog will form, and the mean air pressure will be 1016 mb. Relative humidity will be very high.
Sunday
Weather
Precipitation mm probability
Showers (% of Precipitation)
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
02:00
3.3 75%
9 °C
6 °C
22 km/h
36 km/h
1020 mb
90.6%
3,285 m
318 m
Apr, 28 02:00 @ Mostly stable
05:00
0.3 54%
95%
9 °C
7 °C
21 km/h
35 km/h
1018 mb
91.0%
3,251 m
293 m
Apr, 28 05:00 @ Slightly unstable
08:00
0.8 62%
98%
10 °C
8 °C
17 km/h
30 km/h
1018 mb
92.4%
3,263 m
270 m
Apr, 28 08:00 @ Slightly unstable
11:00
0.8 59%
91%
12 °C
11 °C
15 km/h 
34 km/h
1016 mb
92.7%
3,281 m
417 m
Apr, 28 11:00 @ Slightly unstable
14:00
2.5 71%
94%
16 °C
15 °C
13 km/h 
37 km/h
1015 mb
93.9%
3,219 m
666 m
Apr, 28 14:00 @ Slightly unstable
17:00
1.9 68%
81%
15 °C
15 °C
8 km/h
23 km/h
1014 mb
96.2%
3,187 m
269 m
Apr, 28 17:00 @ Mostly stable
20:00
5.7 89%
38%
14 °C
13 °C
13 km/h 
32 km/h
1015 mb
93.6%
3,065 m
379 m
Apr, 28 20:00 @ Mostly stable
23:00
0.2 28%
37%
9 °C
7 °C
19 km/h 
33 km/h
1018 mb
83.4%
3,097 m
561 m
Apr, 28 23:00 @ Stable
29 Apr will be with moderate temperatures and the weather will be very stable.
There is a 34% probability of light rainfall.
The sky will be cloudy:
32% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
42% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
19% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
The highest temperature will reach 15 degrees Celsius, while the the lowest temperature will drop to 5 degrees Celsius. The wind will be a gentle breeze, fog will form, and the mean air pressure will be 1021 mb. Relative humidity will be high.
Monday
Weather
Precipitation mm probability
Showers (% of Precipitation)
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
02:00
0.2 34%
37%
6 °C
3 °C
14 km/h
33 km/h
1019 mb
84.2%
3,554 m
601 m
Apr, 29 02:00 @ Very stable
05:00
5 °C
3 °C
12 km/h
23 km/h
1021 mb
84.6%
1,232 m
536 m
Apr, 29 05:00 @ Extremely stable
08:00
6 °C
4 °C
13 km/h
18 km/h
1022 mb
71.1%
692 m
875 m
Apr, 29 08:00 @ Extremely stable
11:00
9 °C
8 °C
12 km/h
16 km/h
1023 mb
55.4%
1,036 m
994 m
Apr, 29 11:00 @ Extremely stable
14:00
13 °C
12 °C
13 km/h
17 km/h
1021 mb
40.4%
3,551 m
1,190 m
Apr, 29 14:00 @ Extremely stable
17:00
15 °C
14 °C
15 km/h
22 km/h
1020 mb
36.5%
3,529 m
1,285 m
Apr, 29 17:00 @ Extremely stable
20:00
11 °C
9 °C
11 km/h
24 km/h
1021 mb
52.4%
3,648 m
283 m
Apr, 29 20:00 @ Extremely stable
23:00
9 °C
7 °C
11 km/h
34 km/h
1021 mb
52.4%
3,547 m
351 m
Apr, 29 23:00 @ Extremely stable
30 Apr will be cool and the weather will be very stable.
The sky will be overcast:
94% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
95% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
88% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
The highest temperature will reach 8 degrees Celsius, while the the lowest temperature will drop to 5 degrees Celsius. The wind will be a gentle breeze, and the mean air pressure will be 1017 mb. Relative humidity will be high.
Tuesday
Weather
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
02:00
7 °C
4 °C
15 km/h
36 km/h
1020 mb
64.1%
3,228 m
330 m
Apr, 30 02:00 @ Extremely stable
05:00
6 °C
4 °C
13 km/h
36 km/h
1020 mb
64.4%
3,110 m
352 m
Apr, 30 05:00 @ Extremely stable
08:00
6 °C
3 °C
16 km/h
38 km/h
1020 mb
58.7%
3,186 m
427 m
Apr, 30 08:00 @ Extremely stable
11:00
6 °C
2 °C
16 km/h
35 km/h
1019 mb
61.7%
3,172 m
404 m
Apr, 30 11:00 @ Extremely stable
14:00
7 °C
5 °C
10 km/h
25 km/h
1018 mb
65.9%
3,156 m
400 m
Apr, 30 14:00 @ Extremely stable
17:00
8 °C
7 °C
5 km/h
17 km/h
1016 mb
68.4%
3,060 m
179 m
Apr, 30 17:00 @ Extremely stable
20:00
8 °C
7 °C
5 km/h
12 km/h
1016 mb
71.5%
2,973 m
87 m
Apr, 30 20:00 @ Extremely stable
23:00
8 °C
7 °C
5 km/h
9 km/h
1015 mb
74.5%
2,937 m
70 m
Apr, 30 23:00 @ Extremely stable
1 May will be with moderate temperatures and the weather will be very stable.
The sky will be partly cloudy:
13% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
18% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
The highest temperature will reach 17 degrees Celsius, while the the lowest temperature will drop to 4 degrees Celsius. The wind will be a gentle breeze, and the mean air pressure will be 1017 mb. Relative humidity will be high.
Wednesday
Weather
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
02:00
6 °C
3 °C
13 km/h
31 km/h
1015 mb
76.8%
2,799 m
239 m
May, 1 02:00 @ Extremely stable
05:00
4 °C
1 °C
13 km/h
26 km/h
1017 mb
83.7%
2,752 m
226 m
May, 1 05:00 @ Extremely stable
08:00
6 °C
3 °C
13 km/h
22 km/h
1017 mb
77.7%
2,711 m
322 m
May, 1 08:00 @ Extremely stable
11:00
11 °C
9 °C
10 km/h
12 km/h
1018 mb
64.4%
2,643 m
567 m
May, 1 11:00 @ Extremely stable
14:00
16 °C
17 °C
6 km/h
7 km/h
1017 mb
50.0%
2,511 m
1,112 m
May, 1 14:00 @ Extremely stable
17:00
17 °C
17 °C
8 km/h
10 km/h
1017 mb
49.7%
2,588 m
1,125 m
May, 1 17:00 @ Very stable
20:00
13 °C
13 °C
5 km/h
5 km/h
1018 mb
67.3%
3,124 m
16 m
May, 1 20:00 @ Very stable
23:00
11 °C
12 °C
3 km/h
3 km/h
1019 mb
75.2%
3,216 m
11 m
May, 1 23:00 @ Extremely stable
2 May will be with comfortable temperatures and the weather will be stable, thunderstorms not likely.
The sky will be overcast:
95% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
78% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
3% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
The highest temperature will reach 20 degrees Celsius, while the the lowest temperature will drop to 8 degrees Celsius. The wind will be a light breeze, and the mean air pressure will be 1018 mb. Relative humidity will be high.
Thursday
Weather
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
02:00
10 °C
11 °C
3 km/h
3 km/h
1019 mb
80.5%
3,015 m
11 m
May, 2 02:00 @ Very stable
05:00
8 °C
9 °C
4 km/h 
4 km/h
1020 mb
86.8%
2,979 m
12 m
May, 2 05:00 @ Very stable
08:00
11 °C
11 °C
4 km/h
5 km/h
1021 mb
79.0%
2,886 m
168 m
May, 2 08:00 @ Stable
11:00
15 °C
16 °C
5 km/h
5 km/h
1021 mb
64.2%
2,832 m
551 m
May, 2 11:00 @ Stable
14:00
19 °C
20 °C
5 km/h
7 km/h
1019 mb
54.6%
2,978 m
835 m
May, 2 14:00 @ Stable
17:00
19 °C
20 °C
8 km/h
12 km/h
1018 mb
57.8%
3,038 m
724 m
May, 2 17:00 @ Mostly stable
20:00
16 °C
16 °C
10 km/h
21 km/h
1016 mb
74.6%
3,093 m
140 m
May, 2 20:00 @ Mostly stable
23:00
14 °C
14 °C
9 km/h
23 km/h
1015 mb
81.3%
3,226 m
155 m
May, 2 23:00 @ Mostly stable
3 May will be with moderate temperatures and the weather will be stable, thunderstorms not likely.
There is a 92% probability of moderate rainfall and showers.
The sky will be overcast:
81% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
75% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
82% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
7% convective clouds (Cumulonimbus)
The highest temperature will reach 17 degrees Celsius, while the the lowest temperature will drop to 12 degrees Celsius. The wind will be a moderate breeze, fog will form, and the mean air pressure will be 1010 mb. Relative humidity will be very high.
Friday
Weather
Precipitation mm probability
Showers (% of Precipitation)
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
02:00
15 °C
14 °C
14 km/h
29 km/h
1014 mb
80.6%
3,271 m
244 m
May, 3 02:00 @ Mostly stable
05:00
0.2 41%
28%
14 °C
12 °C
17 km/h
29 km/h
1013 mb
84.9%
3,091 m
244 m
May, 3 05:00 @ Mostly stable
08:00
2.2 70%
17%
13 °C
11 °C
20 km/h
37 km/h
1013 mb
92.3%
3,311 m
287 m
May, 3 08:00 @ Mostly stable
11:00
17 °C
16 °C
21 km/h
29 km/h
1012 mb
77.3%
3,263 m
498 m
May, 3 11:00 @ Mostly stable
14:00
1.6 63%
3%
15 °C
14 °C
20 km/h
38 km/h
1010 mb
85.4%
3,470 m
379 m
May, 3 14:00 @ Mostly stable
17:00
3.6 77%
15 °C
14 °C
20 km/h
35 km/h
1009 mb
91.0%
3,621 m
320 m
May, 3 17:00 @ Mostly stable
20:00
6.2 92%
15 °C
15 °C
11 km/h
25 km/h
1008 mb
92.7%
3,768 m
195 m
May, 3 20:00 @ Mostly stable
23:00
0.6 50%
15 °C
15 °C
9 km/h
18 km/h
1008 mb
95.3%
3,729 m
135 m
May, 3 23:00 @ Mostly stable
4 May will be with moderate temperatures and the weather will be .
There is a 76% probability of moderate rainfall and showers.
The sky will be :
381% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
321% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
524% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
120% convective clouds (Cumulonimbus)
The highest temperature will reach 16 degrees Celsius, while the the lowest temperature will drop to 13 degrees Celsius. The wind will be a fresh breeze, fog will form, and the mean air pressure will be 6033 mb. Relative humidity will be .
Saturday
Weather
Precipitation mm probability
Showers (% of Precipitation)
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
02:00
0.7 56%
23%
15 °C
14 °C
11 km/h
24 km/h
1006 mb
95.7%
3,548 m
156 m
May, 4 02:00 @ Mostly stable
05:00
0.7 61%
57%
15 °C
14 °C
18 km/h
38 km/h
1004 mb
95.5%
3,595 m
292 m
May, 4 05:00 @ Mostly stable
08:00
3.4 76%
28%
15 °C
14 °C
18 km/h
39 km/h
1004 mb
96.3%
3,426 m
356 m
May, 4 08:00 @ Mostly stable
11:00
2.3 56%
13%
16 °C
14 °C
26 km/h
51 km/h
1006 mb
81.7%
3,512 m
904 m
May, 4 11:00 @ Stable
14:00
2.4 60%
13%
15 °C
13 °C
34 km/h
51 km/h
1008 mb
65.3%
3,620 m
1,388 m
May, 4 14:00 @ Extremely stable
17:00
14 °C
12 °C
27 km/h
50 km/h
1008 mb
70.1%
3,191 m
1,423 m
May, 4 17:00 @ Very stable
The Fur Trade at Lachine National Historic Site of Canada
02:06 
