Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 15

Waning Crescent 10%

05:28

13:21

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: 07:29, Set: 16:38, Transit: 12:04. Moon - Rise: 05:28, Set: 13:21. Civil Dark: 17:11 - 06:56. Nautical Dark: 17:47 - 06:20. Astro Dark: 18:23 - 05:44

Total Clouds (% Sky Obscured)

100
100
100
97
96
97
97
100
98
100
100
100
97
96
100
100
100
89
92
90
94
96
96
97

Low Clouds (% Sky Obscured)

96
96
95
89
88
93
93
93
95
88
100
94
88
83
100
95
88
84
87
84
86
90
90
84

Medium Clouds (% Sky Obscured)

100
100
100
91
87
91
85
100
79
74
71
70
60
61
92
100
100
23
20
22
24
17
27
60

High Clouds (% Sky Obscured)

100
100
25
22
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

77
88
95
95
95
93
76
60
63
54
76
91
83
77
71
71
64
53
46
42
42
41
36
35

Precipitation Amount (mm)

0.4
0.6
1.3
1.2
0.9
0.6
0.4
0.2
0.4
0.1
0.4
0.9
0.5
0.5
0.5
0.5
0.4
0.2
0.2
0.1
0.2
0.2
0
0

Wind Speed/Direction (mph)

11
12
13
13
12
11
9
9
10
9
8
4
4
4
7
8
11
11
11
10
10
10
12
12

Chance of Frost

Temperature (°C)

-2
-4
-5
-5
-6
-6
-6
-6
-6
-6
-6
-6
-6
-6
-7
-7
-8
-10
-10
-11
-12
-12
-12
-13

Feels Like (°C)

-7
-10
-11
-11
-12
-11
-11
-11
-11
-11
-11
-9
-10
-10
-11
-12
-14
-15
-16
-16
-17
-17
-19
-19

Dew Point (°C)

-3
-5
-6
-6
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-8
-8
-10
-11
-11
-12
-13
-13
-14
-15

Relative Humidity (%)

94
92
92
92
92
92
94
90
90
90
92
94
94
94
94
92
90
92
90
88
90
90
86
86

Pressure (mb)

995
995
995
994
994
994
994
993
992
992
992
993
994
994
995
995
996
995
996
996
996
996
997
997

Ozone (du)

387
387
381
383
387
390
394
395
398
405
410
413
420
425
428
430
441
449
461
469
463
449
432
422

Friday 16

Waning Crescent 5%

06:23

14:14

05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 OK
11 Good
12 Good
13 Good
14 OK
15 Good
16 Good
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: 07:29, Set: 16:39, Transit: 12:04. Moon - Rise: 06:23, Set: 14:14. Civil Dark: 17:12 - 06:56. Nautical Dark: 17:48 - 06:19. Astro Dark: 18:24 - 05:44

Total Clouds (% Sky Obscured)

95
97
96
73
41
30
4
6
8
21
3
18
93
86
88
86
97
100
100
100
95
97
94
96

Low Clouds (% Sky Obscured)

86
93
90
73
41
30
1
3
2
2
1
3
2
3
18
25
25
25
20
51
75
82
83
90

Medium Clouds (% Sky Obscured)

34
13
19
20
13
0
0
0
0
0
0
3
92
85
88
86
97
100
100
100
88
87
53
43

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
21
0
11
60
11
80
80
85
86
0
0
0
0
0
1

ISS Passover

Visibility (miles)

0
0
0
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
0
0
0
0
0

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

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

Precipitation Probability (%)

34
30
21
16
13
8
0
0
0
0
0
0
0
0
0
1
6
21
41
48
52
44
32
27

Precipitation Amount (mm)

0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.2
0
0

Wind Speed/Direction (mph)

13
13
13
14
14
14
14
14
14
12
12
9
6
4
3
3
3
3
3
4
5
5
6
6

Chance of Frost

Temperature (°C)

-13
-14
-14
-15
-15
-15
-14
-14
-14
-14
-14
-14
-14
-14
-14
-14
-14
-15
-15
-15
-15
-14
-14
-14

Feels Like (°C)

-20
-20
-21
-22
-21
-20
-20
-20
-19
-18
-18
-18
-17
-18
-18
-18
-18
-18
-19
-19
-19
-18
-18
-18

Dew Point (°C)

-15
-16
-16
-18
-18
-18
-18
-18
-17
-17
-17
-17
-17
-17
-17
-17
-17
-17
-17
-16
-16
-15
-15
-15

Relative Humidity (%)

84
83
83
77
74
74
76
76
76
76
78
78
79
82
82
82
82
84
84
90
92
92
92
92

Pressure (mb)

998
999
1000
1002
1003
1005
1006
1007
1007
1008
1010
1011
1012
1013
1013
1014
1014
1014
1015
1014
1014
1014
1014
1014

Ozone (du)

422
423
393
370
378
374
369
357
355
359
358
360
365
369
367
368
372
378
375
379
388
394
392
394

Saturday 17

Waning Crescent 1%

07:08

15:16

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: 07:28, Set: 16:40, Transit: 12:04. Moon - Rise: 07:08, Set: 15:16. Civil Dark: 17:13 - 06:55. Nautical Dark: 17:50 - 06:19. Astro Dark: 18:25 - 05:43

Total Clouds (% Sky Obscured)

96
94
99
86
99
87
83
86
97
93
91
90
100
100
100
98
92
90
81
72
92
75
69
62

Low Clouds (% Sky Obscured)

87
74
77
83
98
75
73
76
70
71
55
72
73
81
87
78
75
80
72
65
68
70
69
57

Medium Clouds (% Sky Obscured)

53
62
59
39
64
38
63
71
89
83
81
82
100
100
83
51
37
21
12
56
73
65
58
45

High Clouds (% Sky Obscured)

13
4
1
0
0
0
0
3
33
65
40
31
20
14
2
2
2
1
1
0
0
0
0
0

ISS Passover

Visibility (miles)

3
4
6
6
8
9
8
2
3
1
1
3
8
4
0
9
9
2
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
Snow
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

19
13
11
9
21
23
24
21
11
28
10
20
12
40
34
25
16
9
10
8
11
16
19
23

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
5
5
4
5
5
6
5
5
5
5
5
5
5
6
6
5
6
8
10
8
7
7
8

Chance of Frost

Temperature (°C)

-14
-13
-13
-13
-12
-11
-9
-7
-6
-6
-5
-5
-6
-5
-5
-5
-6
-5
-5
-5
-6
-5
-5
-4

Feels Like (°C)

-18
-17
-17
-16
-15
-15
-12
-11
-10
-9
-8
-8
-9
-9
-9
-10
-9
-10
-10
-11
-10
-11
-8
-8

Dew Point (°C)

-15
-15
-14
-14
-14
-13
-11
-9
-8
-7
-6
-6
-6
-6
-5
-7
-7
-6
-7
-8
-9
-8
-7
-6

Relative Humidity (%)

88
88
90
88
88
83
83
87
90
90
94
94
94
94
98
90
90
94
87
80
80
80
81
82

Pressure (mb)

1014
1014
1014
1014
1015
1015
1015
1014
1014
1014
1014
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

396
396
399
404
407
413
414
416
418
423
431
434
435
438
437
434
430
427
423
424
426
425
416
410

Sunday 18

New Moon 0%

07:45

16:25

05 Bad
06 Bad
07 Bad
08 Bad
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 OK
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: 07:27, Set: 16:42, Transit: 12:04. Moon - Rise: 07:45, Set: 16:25. Civil Dark: 17:14 - 06:55. Nautical Dark: 17:51 - 06:18. Astro Dark: 18:26 - 05:43

Total Clouds (% Sky Obscured)

59
51
47
42
34
46
63
77
72
68
60
44
46
90
89
88
87
88
87
88
88
87
88
90

Low Clouds (% Sky Obscured)

52
39
36
31
23
28
59
77
72
68
60
19
17
18
19
19
23
85
87
88
88
87
85
74

Medium Clouds (% Sky Obscured)

31
21
13
6
0
6
11
16
15
11
7
5
7
7
4
2
0
0
0
15
6
4
6
24

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
10
15
20
20
20
15
10
4
5
7
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
4
5
9
9
9
9
9
9
9
9
9
9
1
0
0
1

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 (%)

23
16
11
7
1
1
5
21
19
6
3
2
5
2
5
6
4
5
6
5
21
10
19
8

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)

8
9
11
11
12
13
12
12
12
10
9
7
5
5
4
4
4
4
4
4
3
4
3
4

Chance of Frost

Temperature (°C)

-4
-4
-3
-4
-4
-5
-4
-4
-3
-4
-4
-4
-5
-6
-7
-7
-8
-8
-8
-8
-8
-9
-9
-9

Feels Like (°C)

-7
-7
-7
-7
-8
-9
-8
-9
-9
-9
-8
-8
-8
-9
-11
-11
-12
-12
-11
-11
-11
-12
-12
-13

Dew Point (°C)

-6
-6
-6
-6
-7
-7
-7
-6
-6
-6
-6
-7
-7
-8
-9
-9
-9
-9
-9
-9
-9
-10
-10
-10

Relative Humidity (%)

85
84
82
82
82
82
82
82
82
82
81
81
85
89
89
88
88
90
90
90
90
92
92
92

Pressure (mb)

1014
1014
1015
1015
1015
1016
1015
1015
1015
1014
1014
1014
1013
1013
1013
1012
1011
1010
1010
1010
1009
1008
1007
1006

Ozone (du)

407
401
399
415
427
436
441
446
450
456
441
407
399
395
392
392
389
386
376
373
372
372
369
368

Monday 19

Waxing Crescent 1%

08:14

17:36

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: 07:27, Set: 16:43, Transit: 12:05. Moon - Rise: 08:14, Set: 17:36. Civil Dark: 17:16 - 06:54. Nautical Dark: 17:52 - 06:18. Astro Dark: 18:27 - 05:42

Total Clouds (% Sky Obscured)

93
95
97
98
100
100
100
100
100
100
100
99
71
17
31
50
75
80
86
91
94
96
97
80

Low Clouds (% Sky Obscured)

76
67
74
87
100
92
86
81
84
87
93
93
68
17
31
34
28
36
52
71
84
91
95
79

Medium Clouds (% Sky Obscured)

61
78
84
90
96
98
99
100
99
54
28
32
31
17
28
16
0
4
7
10
7
4
1
2

High Clouds (% Sky Obscured)

2
0
0
0
0
18
34
48
32
16
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

1
0
1
1
0
0
0
0
0
5
8
2
9
9
9
7
6
4
6
7
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
Snow
Snow
Snow
Snow
None
None
None
None
None
None
Snow
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

24
11
11
23
36
45
46
39
36
32
34
41
40
38
51
39
9
9
7
2
9
11
13
12

Precipitation Amount (mm)

0
0
0
0
0.1
0.2
0.2
0.1
0
0
0
0
0
0
0.1
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
3
2
3
3
5
7
10
12
12
13
13
16
17
18
18
19
19
18
17
15
16
16
17

Chance of Frost

Temperature (°C)

-11
-10
-10
-9
-8
-7
-6
-5
-4
-4
-4
-4
-5
-6
-7
-8
-9
-11
-11
-11
-12
-12
-13
-14

Feels Like (°C)

-14
-13
-13
-13
-11
-11
-11
-10
-10
-9
-10
-11
-13
-13
-13
-14
-15
-16
-16
-17
-18
-20
-20
-21

Dew Point (°C)

-12
-11
-11
-10
-9
-8
-7
-6
-5
-6
-7
-7
-9
-10
-11
-12
-13
-14
-15
-15
-16
-16
-17
-17

Relative Humidity (%)

92
92
92
92
92
92
90
90
90
82
76
81
73
73
73
72
74
76
75
73
72
73
73
74

Pressure (mb)

1006
1006
1005
1005
1004
1004
1003
1002
1001
1001
1001
1001
1001
1001
1002
1003
1003
1004
1005
1005
1006
1007
1008
1009

Ozone (du)

366
368
365
369
371
373
380
388
390
397
396
402
415
442
457
462
468
474
477
481
484
489
495
501

Tuesday 20

Waxing Crescent 4%

08:38

18:49

05 Bad
06 Bad
07 Bad
08 Bad
09 OK
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 OK
03 OK
04 OK

Sun - Rise: 07:26, Set: 16:44, Transit: 12:05. Moon - Rise: 08:38, Set: 18:49. Civil Dark: 17:17 - 06:53. Nautical Dark: 17:53 - 06:17. Astro Dark: 18:28 - 05:42

Total Clouds (% Sky Obscured)

64
53
41
27
12
30
51
74
83
87
87
87
83
82
77
69
65
62
47
27
23
14
5
10

Low Clouds (% Sky Obscured)

64
53
41
27
12
14
14
14
13
12
11
20
29
38
56
69
65
62
47
27
23
14
5
10

Medium Clouds (% Sky Obscured)

2
3
2
2
1
20
35
43
44
39
49
54
50
46
35
24
18
15
12
8
5
3
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 (%)

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

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)

16
15
14
13
12
12
11
11
11
10
10
9
8
7
6
5
4
4
4
4
4
5
6
6

Chance of Frost

Temperature (°C)

-15
-16
-17
-17
-17
-17
-17
-16
-16
-16
-16
-16
-16
-16
-17
-17
-18
-19
-19
-20
-20
-20
-20
-21

Feels Like (°C)

-20
-20
-20
-24
-24
-24
-24
-24
-24
-21
-21
-20
-20
-20
-20
-21
-20
-20
-20
-21
-21
-23
-23
-23

Dew Point (°C)

-19
-20
-21
-21
-22
-22
-21
-21
-20
-20
-20
-19
-20
-20
-21
-21
-21
-22
-23
-23
-23
-24
-24
-25

Relative Humidity (%)

72
69
69
70
69
70
71
69
69
70
71
72
72
71
71
73
74
75
74
73
72
71
69
68

Pressure (mb)

1011
1012
1014
1015
1016
1017
1017
1017
1017
1017
1017
1017
1018
1019
1019
1019
1020
1020
1021
1021
1022
1022
1023
1023

Ozone (du)

502
503
503
512
521
529
529
529
529
529
529
529
529
528
528
526
524
521
518
514
510
499
488
477

Wednesday 21

Waxing Crescent 9%

08:58

20:01

05 OK
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 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:25, Set: 16:46, Transit: 12:05. Moon - Rise: 08:58, Set: 20:01. Civil Dark: 17:18 - 06:53. Nautical Dark: 17:54 - 06:16. Astro Dark: 18:29 - 05:41

Total Clouds (% Sky Obscured)

15
28
39
71
67
28
7
7
6
12
12
36
57
81
88
94
100
100
100
100

Low Clouds (% Sky Obscured)

15
28
39
71
67
28
7
7
6
12
12
36
24
16
32
50
67
77
86
95

Medium Clouds (% Sky Obscured)

4
3
10
17
17
5
2
0
1
1
2
29
57
81
88
94
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
3
4
15
26
37
36
35
34
25
15
6

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

10
10
11
12
10
9
7
2
4
4
0
1
1
0
1
1
2
22
32
41

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
6
7
7
7
8
8
8
8
7
5
4
2
2
2
2
3
3
4
4

Chance of Frost

Temperature (°C)

-21
-21
-22
-21
-21
-20
-19
-19
-17
-17
-17
-17
-18
-19
-20
-19
-18
-17
-17
-17

Feels Like (°C)

-23
-23
-24
-26
-25
-26
-26
-26
-25
-21
-21
-20
-20
-20
-20
-24
-24
-23
-23
-23

Dew Point (°C)

-25
-25
-26
-25
-25
-25
-24
-23
-22
-22
-21
-20
-21
-22
-23
-22
-21
-20
-20
-19

Relative Humidity (%)

67
67
66
65
64
62
65
65
64
67
70
73
74
75
77
77
77
77
77
78

Pressure (mb)

1024
1025
1025
1026
1026
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1025
1024
1023
1022

Ozone (du)

477
476
476
473
470
466
466
466
466
467
468
469
469
469
468
466
464
461
463
466

Forecast for Le Vieux-Port, Montréal, Canada (45.50,-73.57)

Generated: 15/01/26 04:43:47. Forecast: 15/01/26 to 21/01/26. Timezone: UTC-5.00