Past Weather
Past Weather - ArchiveAll data come from my weather station. Scroll down to browse the entire page and see all the data. Do not hestitate to contact me if you want more information. Weather summary (day by day) for the previous month: MONTHLY CLIMATOLOGICAL SUMMARY for AUG. 2025
NAME: StLaurent CITY: Ville St-Laurent STATE: Qc - Canada
ELEV: 31 m LAT: 45° 30' 32" N LONG: 73° 44' 03" W
TEMPERATURE (°C), RAIN (mm), WIND SPEED (km/hr)
HEAT COOL AVG
MEAN DEG DEG WIND DOM
DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR
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1 19.2 25.4 16:31 13.6 6:15 1.1 1.9 0.0 6.9 32.2 15:27 NNE
2 21.1 26.4 17:31 14.6 3:57 0.9 3.6 0.0 9.0 35.4 15:38 WSW
3 22.3 27.3 16:40 17.9 5:54 0.0 4.0 0.0 11.9 35.4 13:28 SW
4 21.1 24.4 15:49 17.8 6:10 0.0 2.8 0.0 5.1 24.1 12:26 E
5 19.7 24.9 15:49 14.4 5:46 0.9 2.3 0.0 6.1 27.4 6:36 NNE
6 22.1 29.0 16:24 15.2 5:48 0.6 4.4 0.0 6.9 32.2 15:55 NNE
7 23.6 30.9 16:55 16.7 5:52 0.2 5.5 0.0 4.2 16.1 15:43 NNE
8 25.1 31.1 14:53 20.1 4:48 0.0 6.8 0.0 4.8 27.4 20:13 S
9 26.3 32.2 16:24 19.8 6:16 0.0 8.0 0.0 6.1 30.6 11:32 S
10 28.2 34.2 16:12 23.8 7:58 0.0 9.9 0.0 6.9 30.6 14:59 S
11 29.2 35.9 16:42 23.3 5:05 0.0 10.9 0.0 5.8 25.7 15:01 S
12 29.1 35.1 16:45 22.4 5:47 0.0 10.8 0.0 5.3 27.4 15:15 S
13 25.8 29.1 0:03 21.5 11:44 0.0 7.5 8.6 5.5 38.6 10:50 S
14 23.5 28.8 17:40 20.0 00:00 0.0 5.2 0.0 6.3 24.1 8:37 N
15 21.6 28.4 16:00 15.4 5:56 0.5 3.8 0.0 4.8 24.1 11:50 NNE
16 24.3 31.4 16:30 16.1 6:01 0.3 6.3 0.0 5.1 30.6 16:46 S
17 19.3 24.3 0:01 14.5 12:04 0.8 1.9 8.0 7.1 35.4 9:05 N
18 16.3 23.5 15:12 10.4 5:59 2.6 0.7 0.0 5.0 29.0 11:05 NNE
19 18.4 25.8 15:10 12.5 6:14 1.6 1.8 0.0 5.3 24.1 10:08 E
20 19.8 27.7 16:53 13.9 6:28 1.1 2.6 0.0 5.5 25.7 17:21 SSE
21 21.0 27.3 14:52 14.6 6:12 0.7 3.4 0.0 3.5 24.1 17:13 NNE
22 22.5 30.0 15:39 15.2 6:21 0.5 4.7 0.0 4.7 32.2 16:38 S
23 24.2 29.3 16:21 19.4 6:08 0.0 5.9 3.6 7.6 51.5 22:12 S
24 22.1 27.2 15:04 18.8 6:55 0.0 3.8 8.4 7.7 38.6 12:54 S
25 21.2 25.4 15:57 17.7 00:00 0.0 2.9 0.0 10.0 43.5 18:23 SW
26 17.4 20.1 15:58 15.1 7:21 1.1 0.3 0.0 12.4 41.8 11:19 WSW
27 16.8 21.0 16:29 11.9 6:28 2.1 0.6 0.0 7.7 32.2 13:38 W
28 16.4 23.9 14:41 13.9 5:12 2.3 0.5 6.6 5.6 45.1 14:41 S
29 16.1 20.2 15:39 13.6 23:52 2.4 0.2 16.2 8.9 33.8 17:01 W
30 13.9 18.1 18:27 11.3 9:04 4.4 0.0 3.6 6.8 33.8 10:00 W
31 18.5 26.3 17:14 11.7 5:51 2.1 2.3 0.2 3.1 20.9 15:50 S
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21.5 35.9 11 10.4 18 26.3 125.2 55.2 6.5 51.5 23 S
Max >= 32.0: 4
Max <= 0.0: 0
Min <= 0.0: 0
Min <= -18.0: 0
Max Rain: 16.21 ON 08/29/25
Days of Rain: 8 (> .2 mm) 7 (> 2 mm) 0 (> 20 mm)
Heat Base: 18.3 Cool Base: 18.3 Method: Integration
Weather graphic for the last 30 days: Weather summary for the current month (Updated every day at midnight): MONTHLY CLIMATOLOGICAL SUMMARY for SEP. 2025
NAME: StLaurent CITY: Ville St-Laurent STATE: Qc - Canada
ELEV: 31 m LAT: 45° 30' 32" N LONG: 73° 44' 03" W
TEMPERATURE (°C), RAIN (mm), WIND SPEED (km/hr)
HEAT COOL AVG
MEAN DEG DEG WIND DOM
DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR
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1 20.9 28.0 14:06 13.7 6:36 1.0 3.5 0.0 2.1 19.3 17:37 S
2 21.4 28.2 14:26 16.1 6:31 0.4 3.5 0.0 3.5 29.0 18:00 S
3 21.6 28.4 15:51 15.1 6:14 0.6 3.9 0.0 3.7 20.9 14:42 S
4 20.8 29.3 16:02 15.9 23:57 0.4 2.9 13.8 10.9 62.8 17:19 SSE
5 18.9 25.9 16:38 11.5 6:31 1.8 2.4 1.8 7.4 46.7 22:43 S
6 15.3 18.5 0:01 13.7 13:35 3.0 0.0 1.6 6.4 27.4 0:08 SW
7 15.9 19.7 12:00 12.9 3:12 2.5 0.1 0.0 7.9 40.2 14:05 SSW
8 14.7 19.7 16:37 9.7 6:32 3.7 0.1 0.0 7.2 33.8 14:34 SW
9 15.6 22.7 16:55 9.2 6:15 3.4 0.8 0.0 2.3 20.9 17:18 SSW
10 17.8 25.3 14:46 10.7 7:00 2.3 1.7 0.0 2.3 17.7 14:40 SSW
11 17.8 23.9 15:25 12.8 5:54 1.8 1.4 0.0 4.3 22.5 10:05 NNE
12 15.9 23.4 16:23 9.9 6:34 3.1 0.7 0.0 3.4 17.7 7:58 NNE
13 18.0 24.5 14:36 12.9 5:58 1.8 1.5 0.0 3.2 20.9 15:37 S
14 19.1 24.2 15:54 14.7 7:00 0.8 1.7 0.0 5.1 22.5 14:43 E
15 17.9 25.3 17:24 12.2 6:39 1.9 1.5 0.0 4.2 22.5 9:15 NNE
16 18.6 25.1 14:57 12.2 6:05 1.8 2.0 0.0 3.4 17.7 16:04 NNE
17 19.3 27.0 13:35 13.2 7:11 1.4 2.4 0.0 3.4 17.7 13:03 NNE
18
19
20
21
22
23
24
25
26
27
28
29
30
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18.2 29.3 4 9.2 9 31.7 30.1 17.2 4.8 62.8 4 S
Max >= 32.0: 0
Max <= 0.0: 0
Min <= 0.0: 0
Min <= -18.0: 0
Max Rain: 13.79 ON 09/04/25
Days of Rain: 3 (> .2 mm) 1 (> 2 mm) 0 (> 20 mm)
Heat Base: 18.3 Cool Base: 18.3 Method: Integration
Weather graphic for the last 48 hours:
Weahter summary for the current year: ANNUAL CLIMATOLOGICAL SUMMARY
NAME: StLaurent CITY: Ville St-Laurent STATE: Qc - Canada
ELEV: 31 m LAT: 45° 30' 32" N LONG: 73° 44' 03" W
TEMPERATURE (°C), HEAT BASE 18.3, COOL BASE 18.3
DEP. HEAT COOL
MEAN MEAN FROM DEG DEG MAX MAX MIN MIN
YR MO MAX MIN MEAN NORM DAYS DAYS HI DATE LOW DATE >=32 <=0 <=0 <=-18
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25 1 -4.8 -11.0 -8.1 0.0 815 0 2.8 18 -19.0 30 0 27 30 1
25 2 -4.5 -11.7 -8.2 0.0 738 0 7.2 25 -20.2 2 0 23 27 3
25 3 6.4 -4.6 0.5 0.0 552 0 20.9 20 -19.5 2 0 6 25 2
25 4 12.6 2.1 7.1 0.0 340 3 24.9 29 -6.7 2 0 0 9 0
25 5 20.0 9.8 14.5 0.0 151 32 31.3 16 3.1 1 0 0 0 0
25 6 26.4 15.8 20.9 0.0 33 110 35.7 23 7.6 1 4 0 0 0
25 7 28.8 18.7 23.5 0.0 8 168 35.7 12 11.9 22 6 0 0 0
25 8 27.2 16.4 21.5 0.0 26 125 35.9 11 10.4 18 4 0 0 0
25 9 24.7 12.7 18.2 0.0 32 30 29.3 4 9.2 9 0 0 0 0
25 10
25 11
25 12
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14.9 5.1 9.7 0.0 2695 469 35.9 AUG -20.2 FEB 14 56 91 6
PRECIPITATION (mm)
DEP. MAX DAYS OF RAIN
FROM OBS. OVER
YR MO TOTAL NORM DAY DATE .2 2 20
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25 1 11.6 0.0 4.4 1 6 3 0
25 2 18.8 0.0 7.0 13 10 4 0
25 3 47.4 0.0 15.4 30 14 6 0
25 4 69.0 0.0 18.8 3 15 10 0
25 5 77.5 0.0 13.8 18 19 13 0
25 6 33.1 0.0 10.6 28 9 5 0
25 7 94.4 0.0 57.4 13 11 5 1
25 8 55.2 0.0 16.2 29 8 7 0
25 9 17.2 0.0 13.8 4 3 1 0
25 10
25 11
25 12
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424.3 0.0 57.4 JUL 95 54 1
WIND SPEED (km/hr)
DOM
YR MO AVG. HI DATE DIR
---------------------------------
25 1 9.9 86.9 27 W
25 2 9.9 66.0 17 W
25 3 9.8 57.9 6 W
25 4 10.0 69.2 29 W
25 5 7.5 54.7 2 N
25 6 8.4 54.7 23 S
25 7 7.0 51.5 17 SW
25 8 6.5 51.5 23 S
25 9 4.8 62.8 4 S
25 10
25 11
25 12
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8.3 86.9 JAN W
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