Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 15

Waning Crescent 5%

06:23

14:14

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

100
98
96
90
96
94
94
95
96
96
94
53
35
12
3
2
2
2
29
3
64
49
76
95

Low Clouds (% Sky Obscured)

85
80
79
80
81
86
87
87
89
80
84
34
5
2
0
1
1
0
1
0
1
1
1
1

Medium Clouds (% Sky Obscured)

18
17
0
5
36
39
34
43
41
44
17
25
2
0
0
0
0
0
0
0
64
49
72
73

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
19
1
1
1
72
95

ISS Passover

Visibility (miles)

1
1
1
0
0
0
0
0
0
0
0
0
0
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
2
5
2
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 (%)

3
1
21
28
25
26
31
40
28
24
23
9
11
2
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
7
6
9
9
8
9
10
11
11
11
12
13
13
13
14
13
12
11
10
8
6
3
3

Chance of Frost

Temperature (°C)

-11
-11
-12
-13
-13
-13
-13
-13
-14
-14
-15
-15
-16
-16
-16
-15
-15
-14
-14
-14
-14
-15
-15
-15

Feels Like (°C)

-17
-16
-17
-18
-18
-18
-18
-18
-20
-20
-21
-21
-22
-22
-22
-21
-20
-19
-18
-20
-19
-18
-17
-17

Dew Point (°C)

-13
-13
-13
-14
-14
-14
-14
-15
-15
-16
-17
-17
-18
-19
-19
-18
-18
-17
-17
-17
-17
-17
-17
-17

Relative Humidity (%)

85
86
86
86
88
88
88
88
86
84
84
84
84
79
76
76
75
76
78
78
77
79
81
84

Pressure (mb)

998
998
998
998
998
998
999
999
1000
1001
1002
1003
1004
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1015

Ozone (du)

449
456
458
457
461
458
441
426
413
399
397
384
366
354
368
363
349
347
340
337
346
354
351
351

Friday 16

Waning Crescent 1%

07:08

15:16

21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
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

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)

95
100
98
96
95
94
94
95
94
100
100
100
98
97
96
93
94
94
98
96
97
100
98
96

Low Clouds (% Sky Obscured)

1
54
82
83
84
90
86
82
78
81
81
96
71
84
85
84
83
84
91
88
91
96
96
73

Medium Clouds (% Sky Obscured)

84
100
95
90
56
74
52
49
61
99
100
100
96
94
84
89
90
91
94
86
89
83
81
95

High Clouds (% Sky Obscured)

28
34
25
0
0
2
2
4
5
30
35
35
1
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
2
9
9
9
5
0
8
9
9
9
9
9
3
0
0
0
0
0
0
0
0
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
Snow
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
20
11
19
27
30
29
18
11
6
8
19
21
19
39
50
48
48
46
51
51
57
67
57

Precipitation Amount (mm)

0
0
0
0
0
0.1
0
0
0
0
0
0
0
0
0.1
0.2
0.1
0.1
0.2
0.3
0.2
0.3
0.4
0.2

Wind Speed/Direction (mph)

2
3
3
3
5
5
5
6
5
5
5
5
6
5
4
3
3
3
3
5
5
4
3
2

Chance of Frost

Temperature (°C)

-15
-15
-14
-13
-13
-13
-13
-12
-12
-12
-12
-12
-12
-10
-9
-7
-4
-2
-0
1
0
-0
-1
-2

Feels Like (°C)

-19
-19
-18
-18
-17
-17
-17
-17
-16
-16
-16
-16
-16
-14
-12
-10
-7
-5
-4
-3
-4
-4
-4
-4

Dew Point (°C)

-17
-17
-16
-15
-15
-15
-14
-14
-14
-14
-14
-13
-13
-12
-10
-7
-5
-2
-1
0
-0
-1
-2
-2

Relative Humidity (%)

84
84
84
84
86
86
86
90
88
86
86
88
86
88
88
96
96
96
96
98
96
94
96
96

Pressure (mb)

1015
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1014
1013
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

351
355
355
360
373
377
376
376
376
378
385
391
394
398
405
412
416
425
426
425
424
427
428
429

Saturday 17

Waning Crescent 0%

07:45

16:25

21 Bad
22 Bad
23 Bad
00 Bad
01 OK
02 OK
03 OK
04 Bad
05 Bad
06 OK
07 OK
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

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)

92
96
100
91
27
37
24
64
80
38
44
72
74
81
84
91
92
81
75
71
56
54
56
67

Low Clouds (% Sky Obscured)

85
67
15
42
26
24
23
61
80
38
44
67
67
70
82
87
84
77
75
70
56
54
56
67

Medium Clouds (% Sky Obscured)

74
68
62
57
4
19
4
14
6
1
3
14
1
34
17
19
18
2
4
0
0
0
1
3

High Clouds (% Sky Obscured)

0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

4
2
2
4
9
9
9
9
9
9
9
9
9
9
9
9
1
7
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 (%)

43
35
28
11
2
1
0
2
1
1
2
4
6
7
4
17
23
5
6
1
1
2
6
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)

2
3
5
10
13
12
12
12
10
9
9
8
10
10
10
9
9
8
7
5
5
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-4
-4
-6
-7
-6
-7
-8
-8
-8
-9
-9
-11
-10
-9
-8
-7
-7
-7
-6
-8
-7
-8
-9

Dew Point (°C)

-2
-2
-2
-2
-4
-5
-5
-7
-7
-7
-7
-8
-8
-7
-6
-6
-5
-5
-6
-5
-6
-7
-7
-8

Relative Humidity (%)

96
96
94
89
81
82
84
79
81
85
85
85
82
85
87
86
87
82
81
86
89
89
89
87

Pressure (mb)

1012
1012
1012
1012
1012
1013
1013
1013
1013
1014
1014
1014
1014
1015
1014
1013
1013
1013
1012
1012
1012
1012
1012
1012

Ozone (du)

433
437
436
432
428
429
428
432
430
432
433
430
430
432
436
445
453
451
442
420
409
404
398
394

Sunday 18

New Moon 1%

08:14

17:36

21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
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

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)

74
81
84
85
90
95
100
100
100
100
98
96
95
97
99
100
98
96
94
84
68
52
48
39

Low Clouds (% Sky Obscured)

74
75
74
75
74
77
79
84
90
89
92
93
95
97
99
100
98
96
93
84
68
52
48
39

Medium Clouds (% Sky Obscured)

3
14
22
34
45
89
100
100
100
100
81
95
95
95
94
95
95
93
90
80
68
50
35
25

High Clouds (% Sky Obscured)

0
0
0
1
11
10
5
5
2
5
0
0
0
0
0
10
5
1
20
6
15
10
5
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

7
8
9
6
4
3
3
7
21
29
43
51
53
51
40
26
22
35
40
33
39
20
29
51

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0.3
0.1
0
0
0
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

5
5
5
4
4
4
4
4
4
4
6
7
7
9
10
10
12
12
12
13
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-9
-11
-11
-11
-11
-12
-11
-12
-12
-12
-12
-11
-10
-10
-10
-9
-8
-9
-9
-9
-10
-12
-12
-12

Dew Point (°C)

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

Relative Humidity (%)

89
90
90
92
90
92
92
92
92
92
92
94
92
94
92
89
84
81
79
75
79
80
80
83

Pressure (mb)

1011
1011
1010
1010
1009
1009
1009
1008
1008
1007
1007
1006
1006
1006
1006
1005
1004
1004
1004
1004
1005
1006
1007
1007

Ozone (du)

390
385
386
384
380
378
377
383
394
404
417
424
427
425
436
431
426
433
439
446
453
453
451
461

Monday 19

Waxing Crescent 4%

08:38

18:49

21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 OK
04 Bad
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

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)

40
50
68
82
78
76
31
55
87
83
86
98
98
99
100
100
92
77
75
67
59
57
80
90

Low Clouds (% Sky Obscured)

40
50
47
64
53
43
31
28
21
15
51
74
89
94
91
91
19
12
35
33
26
29
46
63

Medium Clouds (% Sky Obscured)

25
27
35
42
44
50
26
47
80
82
63
83
76
81
89
100
50
55
55
51
52
57
78
89

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)

0
0
8
1
0
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

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

Precipitation Probability (%)

52
47
26
22
20
3
2
4
5
3
4
4
1
3
3
2
1
2
1
1
1
0
2
4

Precipitation Amount (mm)

0.3
0.2
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)

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

Chance of Frost

Temperature (°C)

-8
-9
-9
-10
-10
-12
-13
-14
-15
-16
-17
-17
-17
-17
-17
-16
-16
-16
-16
-16
-17
-17
-18
-18

Feels Like (°C)

-13
-13
-15
-15
-17
-19
-20
-19
-21
-22
-23
-23
-24
-23
-23
-22
-22
-22
-22
-22
-21
-20
-20
-23

Dew Point (°C)

-9
-9
-11
-11
-12
-15
-16
-18
-19
-20
-21
-21
-21
-21
-20
-20
-20
-20
-20
-20
-20
-20
-21
-21

Relative Humidity (%)

90
94
83
87
90
78
74
74
74
74
74
74
72
73
72
70
69
71
71
72
74
76
77
77

Pressure (mb)

1007
1007
1007
1008
1008
1010
1011
1012
1012
1013
1015
1015
1016
1017
1017
1017
1017
1017
1018
1018
1019
1019
1020
1020

Ozone (du)

469
474
481
482
491
493
496
501
504
513
518
527
538
535
528
521
515
515
515
516
514
513
512
512

Tuesday 20

Waxing Crescent 9%

08:58

20:01

21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
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

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)

100
99
99
98
94
90
84
69
52
35
35
29
30
40
46
50
44
47
43
50
60
67
80
92

Low Clouds (% Sky Obscured)

80
75
69
63
67
70
73
69
52
35
35
29
30
40
46
50
44
47
43
50
60
67
73
77

Medium Clouds (% Sky Obscured)

100
92
82
71
66
56
41
38
30
19
12
12
13
10
7
6
7
12
14
29
43
59
73
84

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
5
9
8

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 (%)

4
10
11
11
10
7
1
4
4
2
5
5
2
4
4
4
5
6
6
13
17
20
23
25

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)

3
3
3
4
4
4
4
3
3
3
3
3
3
3
3
2
3
3
4
4
5
5
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-22
-22
-22
-22
-21
-21
-21
-21
-22
-22
-23
-24
-24
-24
-24
-24
-23
-20
-20
-20
-20
-20
-20
-22

Dew Point (°C)

-21
-21
-21
-21
-22
-22
-22
-23
-23
-24
-25
-25
-24
-24
-23
-23
-22
-22
-22
-21
-21
-22
-22
-22

Relative Humidity (%)

78
78
75
73
70
73
74
76
72
72
72
68
67
64
64
64
64
67
70
74
75
74
74
74

Pressure (mb)

1020
1020
1021
1021
1022
1022
1023
1023
1024
1024
1025
1025
1025
1026
1025
1025
1025
1024
1024
1024
1024
1024
1024
1023

Ozone (du)

513
513
513
513
513
508
503
498
494
490
486
484
483
481
479
478
476
474
473
471
469
466
464
459

Wednesday 21

Waxing Crescent 16%

09:16

No Set

21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
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

Sun - Rise: 07:24, Set: 16:47, Transit: 12:06. Moon - Rise: 09:16, Set: No Set. Civil Dark: 17:19 - 06:52. Nautical Dark: 17:56 - 06:16. Astro Dark: 18:31 - 05:41

Total Clouds (% Sky Obscured)

98
99
100
100
100
100
100
100
100
99
100
99
100
100
99
99
98
97
95
81
67
54

Low Clouds (% Sky Obscured)

84
86
87
90
91
93
95
93
94
92
92
92
87
86
85
83
82
77
74
69
64
54

Medium Clouds (% Sky Obscured)

97
99
99
100
100
100
100
99
97
95
98
99
99
99
99
99
74
48
25
15
7
0

High Clouds (% Sky Obscured)

25
65
70
65
65
70
75
51
22
3
14
24
38
47
55
60
41
23
4
4
4
4

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

26
26
28
31
34
36
38
36
34
31
29
25
21
21
21
19
17
14
8
9
7
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
6
7
7
8
9
9
9
9
9
9
8
8
8
8
8
8
7
7
6
5
4

Chance of Frost

Temperature (°C)

-18
-18
-18
-18
-18
-18
-18
-18
-19
-19
-19
-18
-18
-17
-16
-15
-14
-14
-14
-14
-15
-17

Feels Like (°C)

-22
-22
-22
-22
-23
-23
-23
-24
-23
-23
-23
-24
-24
-24
-24
-24
-24
-20
-20
-20
-19
-18

Dew Point (°C)

-22
-21
-21
-21
-20
-20
-20
-21
-21
-21
-21
-21
-20
-20
-19
-18
-17
-16
-16
-16
-17
-18

Relative Humidity (%)

75
75
77
79
82
82
83
83
83
83
82
82
81
81
81
82
82
84
84
86
84
85

Pressure (mb)

1023
1022
1022
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1021
1020
1020
1020
1020
1020
1021
1021
1022

Ozone (du)

455
450
445
439
434
434
435
435
430
425
421
412
402
393
388
383
378
382
386
390
391
392

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

Generated: 15/01/26 20:57:04. Forecast: 15/01/26 to 21/01/26. Timezone: UTC-5.00