Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 2

Waning Gibbous 99%

20:24

06:25

05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 06:28, Set: 19:23, Transit: 12:55. Moon - Rise: 20:24, Set: 06:25. Civil Dark: 19:53 - 05:58. Nautical Dark: 20:29 - 05:21. Astro Dark: 21:07 - 04:41

Total Clouds (% Sky Obscured)

74
95
92
48
49
49
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

3
3
2
2
1
2
2
10
38
27
29
38
52
83
73
99
85
100
90
100
100
98
100
100

Medium Clouds (% Sky Obscured)

53
23
19
31
45
42
18
32
43
60
94
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

18
36
70
48
49
45
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
3
1
0
2
2
4
4
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Snow
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
3
18
84
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
1
2
2.1
1.7
0.9
1
1.6
1.5
0.9

Wind Speed/Direction (mph)

7
7
8
11
12
12
12
12
12
12
11
10
11
12
12
13
10
11
11
12
11
10
9
10

Chance of Frost

Temperature (°C)

-4
-4
-4
-3
-2
-0
1
2
4
4
5
5
4
4
3
3
3
3
3
2
2
2
2
2

Feels Like (°C)

-8
-8
-9
-8
-7
-6
-5
-3
-2
-1
-0
0
-2
-2
-3
-3
-2
-1
-3
-2
-3
-3
-3
-2

Dew Point (°C)

-6
-6
-6
-5
-4
-3
-2
-1
0
1
1
2
2
2
2
2
2
3
3
2
2
2
2
1

Relative Humidity (%)

84
85
85
87
86
83
83
82
79
76
76
78
82
86
89
93
96
100
98
98
98
98
96
93

Pressure (mb)

1034
1034
1034
1035
1036
1036
1035
1035
1034
1033
1033
1032
1031
1031
1030
1030
1029
1028
1027
1026
1025
1023
1022
1020

Ozone (du)

363
362
361
360
361
363
363
359
355
354
353
354
354
352
349
347
345
345
344
345
343
341
341
339

Friday 3

Waning Gibbous 95%

21:34

06:43

05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 OK
04 OK

Sun - Rise: 06:26, Set: 19:24, Transit: 12:55. Moon - Rise: 21:34, Set: 06:43. Civil Dark: 19:54 - 05:56. Nautical Dark: 20:31 - 05:19. Astro Dark: 21:09 - 04:39

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
96
100
99
94
44
35
99
100
100
97
94
55
44
41
39

Low Clouds (% Sky Obscured)

100
100
100
93
98
100
100
100
94
88
85
79
87
44
35
98
100
100
92
89
55
44
41
39

Medium Clouds (% Sky Obscured)

100
98
99
100
75
62
61
71
81
70
83
81
39
0
0
0
0
4
30
39
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
39
3
3
0
0
3
4
4
0
0
5
4
0
0
0
0
0
0
3
0

ISS Passover

Visibility (miles)

9
9
8
5
8
8
8
4
8
2
8
8
8
0
8
8
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
Very Light Rain
Light Rain
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

83
95
95
95
87
58
64
65
70
43
27
51
32
12
14
2
3
15
9
2
2
0
0
0

Precipitation Amount (mm)

0.4
0.6
0.6
0.8
0.4
0
0.3
0.3
0.4
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
7
9
8
7
8
10
10
9
9
8
6
8
12
13
13
13
13
13
11
10
11
11

Chance of Frost

Temperature (°C)

2
3
3
3
4
5
6
7
8
8
9
9
9
10
11
10
9
8
7
5
4
3
2
1

Feels Like (°C)

-2
-2
-2
-3
-0
1
2
3
4
4
4
5
7
6
6
6
3
2
1
-1
-1
-0
-1
-3

Dew Point (°C)

1
1
2
2
3
4
5
6
6
8
8
8
9
9
7
7
5
5
4
3
0
-0
-2
-3

Relative Humidity (%)

91
88
91
91
89
91
88
91
91
95
95
96
98
93
78
85
80
84
84
82
76
79
77
77

Pressure (mb)

1019
1017
1016
1015
1014
1014
1013
1012
1011
1010
1010
1009
1009
1009
1009
1011
1013
1014
1016
1017
1019
1021
1023
1024

Ozone (du)

340
343
348
354
359
359
358
357
359
358
357
361
362
363
359
360
358
356
355
355
357
355
355
354

Saturday 4

Waning Gibbous 90%

22:43

07:04

05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 06:24, Set: 19:25, Transit: 12:55. Moon - Rise: 22:43, Set: 07:04. Civil Dark: 19:56 - 05:54. Nautical Dark: 20:32 - 05:17. Astro Dark: 21:11 - 04:36

Total Clouds (% Sky Obscured)

67
76
78
64
75
96
90
93
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

67
76
76
64
72
88
61
59
49
42
19
37
57
64
73
82
92
100
100
100
100
99
97
96

Medium Clouds (% Sky Obscured)

0
0
0
0
0
8
18
82
100
86
96
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

1
9
3
3
6
70
88
80
85
97
100
100
100
100
100
100
100
100
100
100
100
98
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
2
3
9
9
9
9
9
9
2

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
1
4
34
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1.4
1.6
0.9
0.7
1.3
0.8
0.9
1.7
2.1
2

Wind Speed/Direction (mph)

10
8
10
11
12
12
11
13
14
14
14
13
14
14
14
14
14
14
14
12
10
10
10
11

Chance of Frost

Temperature (°C)

0
-0
-0
0
1
2
3
4
5
5
5
5
4
4
3
2
4
5
5
5
5
5
5
6

Feels Like (°C)

-3
-3
-3
-3
-3
-2
-2
-1
-1
-1
-1
-1
-2
-3
-4
-4
-2
-1
-0
1
1
1
0
-0

Dew Point (°C)

-3
-3
-3
-4
-4
-3
-3
-3
-3
-3
-2
-1
0
1
0
1
2
2
2
2
2
1
2
4

Relative Humidity (%)

78
80
81
75
71
69
67
63
59
58
60
66
73
80
83
91
88
82
76
79
80
76
79
86

Pressure (mb)

1025
1026
1028
1029
1030
1030
1030
1030
1029
1028
1027
1026
1025
1024
1023
1022
1020
1018
1016
1015
1013
1012
1010
1008

Ozone (du)

355
357
361
366
366
365
366
365
365
366
364
364
362
360
358
356
353
351
348
346
344
342
342
341

Sunday 5

Waning Gibbous 84%

23:50

07:29

05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 06:22, Set: 19:27, Transit: 12:54. Moon - Rise: 23:50, Set: 07:29. Civil Dark: 19:57 - 05:52. Nautical Dark: 20:34 - 05:15. Astro Dark: 21:12 - 04:34

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
90
98
97
96
96
95
96
95
95
93
92
92

Low Clouds (% Sky Obscured)

97
99
100
99
98
97
70
99
40
98
97
97
79
97
97
96
93
82
79
77
73
73
79
87

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
50
33
17
0
4
9
15
35
54
69
67
69
67
68
66
65

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
85
85
61
38
13
15
16
17
11
6
0
0
1
1

ISS Passover

Visibility (miles)

3
1
4
8
9
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
87
77
67
50
33
9
9
12
23
29
28
5
9
8
5
7
9
6

Precipitation Amount (mm)

4.3
2.6
1.2
0.7
0.9
0.9
0.5
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
10
12
12
14
16
18
16
15
15
15
17
17
15
14
13
13
13
12
12
13
14
14
14

Chance of Frost

Temperature (°C)

6
6
6
7
7
7
8
9
8
10
8
8
7
7
7
6
6
5
4
3
2
2
2
1

Feels Like (°C)

-2
1
-1
-1
0
1
2
3
3
3
1
1
1
2
1
1
-0
-2
-3
-4
-4
-4
-5
-5

Dew Point (°C)

3
5
5
5
6
6
6
7
7
6
3
4
4
4
3
3
2
1
-0
-1
-1
-1
-1
-2

Relative Humidity (%)

82
90
88
90
90
90
90
85
90
76
73
75
78
78
76
76
76
72
75
76
77
81
83
78

Pressure (mb)

1006
1006
1005
1004
1003
1003
1003
1003
1002
1002
1002
1003
1003
1003
1003
1003
1004
1004
1004
1003
1003
1003
1003
1004

Ozone (du)

343
342
339
343
342
343
344
350
355
356
364
367
373
379
383
386
393
393
391
393
394
393
390
392

Monday 6

Waning Gibbous 76%

00:53

08:01

05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 06:20, Set: 19:28, Transit: 12:54. Moon - Rise: 00:53, Set: 08:01. Civil Dark: 19:58 - 05:50. Nautical Dark: 20:35 - 05:13. Astro Dark: 21:14 - 04:32

Total Clouds (% Sky Obscured)

93
94
96
98
99
100
100
100
100
100
100
100
100
100
100
91
80
69
72
76
81
73
67
65

Low Clouds (% Sky Obscured)

86
86
86
91
93
98
96
95
88
84
88
92
95
82
67
43
36
20
5
0
0
0
0
0

Medium Clouds (% Sky Obscured)

67
67
91
52
41
40
45
51
92
97
98
100
100
99
99
90
80
69
70
73
76
64
51
35

High Clouds (% Sky Obscured)

6
23
25
25
30
16
10
7
28
14
21
33
38
34
29
22
10
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

11
11
9
21
27
29
38
43
39
18
19
15
12
8
5
9
10
10
12
11
5
8
6
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
14
14
14
15
16
16
15
14
14
14
13
13
12
10
9
9
8
8
8
8
8
8
9

Chance of Frost

Temperature (°C)

0
-0
-1
0
1
1
2
3
4
4
4
4
4
3
2
1
1
1
0
-1
-1
-2
-2
-3

Feels Like (°C)

-6
-6
-7
-6
-7
-6
-5
-3
-2
-2
-2
-2
-2
-2
-2
-2
-5
-4
-4
-4
-4
-4
-7
-7

Dew Point (°C)

-4
-5
-6
-6
-6
-6
-6
-6
-6
-6
-6
-6
-6
-5
-5
-5
-5
-5
-6
-6
-7
-7
-8
-8

Relative Humidity (%)

74
71
68
66
60
57
54
50
48
48
48
48
48
53
58
65
65
65
66
66
66
66
64
64

Pressure (mb)

1004
1004
1005
1006
1006
1006
1006
1006
1006
1007
1009
1009
1010
1010
1011
1012
1013
1013
1014
1014
1015
1015
1016
1017

Ozone (du)

398
403
406
406
409
413
414
418
419
420
421
421
422
423
425
426
429
433
436
433
431
428
430
432

Tuesday 7

Waning Gibbous 73%

01:48

08:42

05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 OK
12 OK
13 OK
14 OK
15 OK
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good

Sun - Rise: 06:18, Set: 19:29, Transit: 12:54. Moon - Rise: 01:48, Set: 08:42. Civil Dark: 20:00 - 05:48. Nautical Dark: 20:37 - 05:11. Astro Dark: 21:16 - 04:29

Total Clouds (% Sky Obscured)

61
63
62
61
63
59
44
29
14
28
42
56
69
78
86
52
28
4
3
2
0
0
0
0

Low Clouds (% Sky Obscured)

11
22
33
35
36
40
36
29
14
23
30
39
44
42
48
32
14
1
1
0
0
0
0
0

Medium Clouds (% Sky Obscured)

22
13
5
7
6
5
5
6
6
4
2
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
2
0
1
1
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
9
10
11
10
10
10
10
11
11
12
12
12
12
11
11
11
10
10
9
8
6
5
4

Chance of Frost

Temperature (°C)

-3
-4
-4
-4
-4
-3
-2
-2
-1
0
-0
-0
-0
-2
-3
-4
-4
-5
-5
-6
-6
-6
-6
-6

Feels Like (°C)

-7
-7
-7
-8
-9
-9
-9
-9
-9
-8
-5
-5
-5
-5
-5
-5
-10
-10
-10
-10
-10
-10
-10
-10

Dew Point (°C)

-9
-10
-11
-12
-13
-14
-15
-16
-16
-16
-16
-16
-16
-15
-14
-13
-13
-13
-13
-14
-14
-15
-15
-15

Relative Humidity (%)

63
60
58
53
47
41
36
33
31
28
29
29
29
35
41
49
51
53
55
53
52
49
48
48

Pressure (mb)

1017
1018
1019
1020
1021
1022
1022
1023
1023
1023
1024
1024
1024
1026
1027
1028
1029
1030
1032
1032
1033
1033
1033
1033

Ozone (du)

434
436
438
440
442
444
446
449
452
455
458
462
465
468
472
475
469
463
457
453
450
447
442
436

Wednesday 8

Waning Gibbous 67%

02:35

09:32

Sun - Rise: 06:17, Set: 19:31, Transit: 12:54. Moon - Rise: 02:35, Set: 09:32. Civil Dark: 20:01 - 05:46. Nautical Dark: 20:38 - 05:09. Astro Dark: 21:18 - 04:27

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Sorel-Tracy, Montérégie, Canada (46.04,-73.11)

Generated: 02/04/26 05:09:47. Forecast: 02/04/26 to 08/04/26. Timezone: UTC-4.00