Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 12

Waning Crescent 33%

03:21

11:37

05 Bad
06 OK
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: 07:31, Set: 16:34, Transit: 12:02. Moon - Rise: 03:21, Set: 11:37. Civil Dark: 17:07 - 06:58. Nautical Dark: 17:44 - 06:21. Astro Dark: 18:19 - 05:45

Total Clouds (% Sky Obscured)

61
38
90
91
98
95
96
100
99
100
95
94
93
98
96
95
97
97
95
95
97
94
96
97

Low Clouds (% Sky Obscured)

33
0
0
4
62
44
82
82
83
84
82
84
83
86
83
84
89
88
84
83
77
86
80
93

Medium Clouds (% Sky Obscured)

3
18
90
91
93
90
87
100
95
98
59
55
79
91
89
84
87
88
83
84
77
73
73
10

High Clouds (% Sky Obscured)

1
1
12
30
35
35
40
2
2
4
2
1
2
12
21
16
1
1
1
1
2
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
1
1
0
0
0
0
1
9
9
9
9
9
0
0
1
4
9
3
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
Snow
Snow
Snow
None
None
None
None
None
None
Snow
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
2
26
40
44
45
48
45
29
25
28
29
27
37
41
35
24
14
16
22
22

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
14
10
10
10
10
8
7
7
7
8
12
12
13
12
12
12
12
12
11
11
10
9
8

Chance of Frost

Temperature (°C)

-11
-11
-11
-11
-10
-9
-7
-6
-4
-3
-2
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1

Feels Like (°C)

-16
-16
-16
-17
-16
-14
-12
-10
-9
-7
-5
-6
-7
-7
-7
-7
-6
-6
-6
-6
-5
-6
-6
-5

Dew Point (°C)

-14
-14
-14
-14
-13
-12
-9
-7
-5
-4
-2
-2
-3
-3
-3
-3
-3
-2
-2
-2
-2
-2
-2
-2

Relative Humidity (%)

78
80
78
80
78
80
85
92
90
92
96
91
86
86
86
86
86
92
92
92
92
91
91
94

Pressure (mb)

1014
1015
1015
1015
1016
1016
1015
1014
1012
1012
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

344
348
352
354
352
353
346
347
348
345
343
345
348
341
342
337
328
330
323
341
350
350
347
345

Tuesday 13

Waning Crescent 24%

04:26

12:04

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: 07:30, Set: 16:35, Transit: 12:03. Moon - Rise: 04:26, Set: 12:04. Civil Dark: 17:08 - 06:57. Nautical Dark: 17:45 - 06:21. Astro Dark: 18:20 - 05:45

Total Clouds (% Sky Obscured)

100
100
90
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
86
100
98
100
100
100
100
91
81
71
48
28
90
100
100
98
90
100
100
100
100
100

Medium Clouds (% Sky Obscured)

19
0
0
0
0
0
2
2
46
100
100
96
90
93
100
100
100
62
75
75
86
78
66
58

High Clouds (% Sky Obscured)

0
0
0
0
3
90
33
24
100
100
100
100
100
100
100
100
15
0
4
0
0
0
10
85

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
3
9
9
9
9
9
9
9
9
8
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
Snow
None
None
Snow
None
None
None
None
None
None
None
None
None
Sleet
Snow
Snow
Snow
None
None
None
Very Light Rain
None

Precipitation Probability (%)

15
32
33
24
21
30
27
19
9
3
1
2
8
16
39
69
93
95
63
40
30
22
49
40

Precipitation Amount (mm)

0
0
0.1
0
0
0.1
0
0
0
0
0
0
0
0
0
0.4
0.6
0.8
0.3
0
0
0
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-1
-1
-1
-0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2

Feels Like (°C)

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

Dew Point (°C)

-2
-1
-1
-1
-0
0
1
1
1
1
-0
-1
-1
-1
-2
-1
-1
-0
-1
-1
-1
-1
-1
0

Relative Humidity (%)

94
96
98
98
98
98
100
100
98
96
89
88
86
86
83
84
83
89
84
84
84
84
84
89

Pressure (mb)

1012
1013
1013
1013
1013
1013
1013
1012
1011
1010
1008
1007
1006
1005
1003
1003
1002
1001
1000
999
998
998
998
998

Ozone (du)

351
354
346
337
334
351
342
345
348
345
344
344
342
342
343
343
354
361
362
367
365
365
372
373

Wednesday 14

Waning Crescent 16%

No Rise

12:38

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: 07:30, Set: 16:36, Transit: 12:03. Moon - Rise: No Rise, Set: 12:38. Civil Dark: 17:09 - 06:57. Nautical Dark: 17:46 - 06:20. Astro Dark: 18:22 - 05:45

Total Clouds (% Sky Obscured)

100
100
100
99
92
94
94
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
85
88
90
90
90
89
93
91
92
89
91
100
89
82
88
83
85
79
80
82
84
86

Medium Clouds (% Sky Obscured)

94
100
100
97
86
82
74
84
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

85
100
100
78
80
70
56
100
100
100
86
100
100
100
100
100
100
100
100
100
92
84
74
83

ISS Passover

Visibility (miles)

8
8
8
8
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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

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

Precipitation Probability (%)

31
22
25
29
17
22
23
21
20
27
46
52
50
41
27
33
36
40
46
66
51
41
47
47

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
94
94
98
98
98
98
98
100
98
100
100
100
100
100
100
100
98
100
96
88
89
87

Pressure (mb)

998
998
998
999
999
1000
1000
999
999
1000
1000
1000
1001
1001
1001
1001
1001
1000
1000
1000
1000
1000
1000
1000

Ozone (du)

376
379
379
383
384
383
378
378
377
377
378
379
380
381
381
386
384
384
384
385
388
391
392
395

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
100
100
99
98
97
98
99
100
100
100
100
100
100
99
100
100
100
98
97
96
88

Low Clouds (% Sky Obscured)

87
86
90
92
95
95
95
95
97
99
100
100
99
96
93
89
78
96
97
97
93
87
82
79

Medium Clouds (% Sky Obscured)

100
100
100
99
99
97
94
92
95
93
81
44
98
100
100
99
98
93
94
100
87
87
80
59

High Clouds (% Sky Obscured)

91
100
96
92
87
59
28
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
9
9
9
1
0
0
0
0
0
0
0
1
1
1
1
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
Very Light Rain
Very Light Rain
Very Light Rain
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None

Precipitation Probability (%)

37
31
31
43
58
63
68
71
66
53
56
57
63
69
64
55
48
42
37
35
34
34
30
27

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
8
8
7
8
8
9
9
9
9
8
10
11
12
13
14
14
14
14
14
14
14
14
15

Chance of Frost

Temperature (°C)

-2
-2
-2
-2
-2
-2
-3
-3
-3
-4
-4
-5
-6
-8
-10
-11
-12
-13
-14
-14
-14
-15
-15
-16

Feels Like (°C)

-8
-8
-8
-8
-8
-8
-9
-10
-10
-10
-10
-11
-13
-15
-17
-18
-19
-19
-20
-20
-21
-21
-22
-22

Dew Point (°C)

-4
-5
-6
-7
-6
-4
-5
-5
-5
-5
-6
-7
-9
-11
-13
-14
-16
-17
-17
-17
-18
-18
-19
-20

Relative Humidity (%)

86
78
72
71
75
84
86
86
87
87
87
85
82
82
80
80
76
74
74
74
73
72
71
70

Pressure (mb)

1000
999
999
999
999
999
999
998
998
998
998
998
999
999
1000
1000
1000
1000
1001
1001
1001
1002
1002
1002

Ozone (du)

393
393
393
397
398
398
400
401
404
405
408
409
413
414
415
421
426
432
433
432
433
436
433
429

Friday 16

Waning Crescent 5%

06:23

14:14

05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Good
14 Good
15 Good
16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 OK
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)

83
76
69
65
70
75
68
72
16
9
1
0
0
1
3
4
5
27
50
73
80
87
93
84

Low Clouds (% Sky Obscured)

74
66
51
37
29
43
41
45
16
9
1
0
0
0
3
4
5
20
23
26
21
22
27
33

Medium Clouds (% Sky Obscured)

40
14
20
24
35
45
41
44
3
4
0
0
0
0
0
1
1
27
50
73
78
78
77
65

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
23
47
70
66
65
61
43

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 (%)

24
10
10
7
2
1
0
0
0
0
0
0
0
0
1
1
0
3
4
2
5
6
3
6

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)

14
13
12
13
13
12
11
10
9
9
9
8
7
6
4
4
4
4
3
2
2
2
2
3

Chance of Frost

Temperature (°C)

-16
-16
-17
-16
-16
-16
-15
-14
-13
-12
-12
-12
-12
-13
-13
-14
-14
-14
-14
-14
-13
-13
-14
-14

Feels Like (°C)

-23
-23
-22
-22
-22
-21
-20
-18
-17
-15
-15
-14
-15
-16
-16
-16
-16
-16
-15
-16
-16
-18
-18
-19

Dew Point (°C)

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

Relative Humidity (%)

68
66
67
66
62
58
55
54
53
53
59
70
73
73
74
76
79
83
81
78
76
76
78
79

Pressure (mb)

1003
1004
1005
1006
1007
1008
1008
1008
1008
1009
1009
1010
1011
1012
1013
1013
1014
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

430
429
433
428
419
420
416
412
390
369
360
359
352
351
357
359
360
362
362
362
362
360
358
356

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)

76
74
81
84
89
92
95
99
98
97
96
95
95
94
95
96
97
95
95
98
99
100
100
100

Low Clouds (% Sky Obscured)

55
74
73
71
69
68
66
66
53
43
35
35
35
39
36
35
35
47
60
72
72
71
71
73

Medium Clouds (% Sky Obscured)

54
44
49
50
53
68
84
98
97
97
96
94
94
94
95
96
97
95
95
98
99
100
100
100

High Clouds (% Sky Obscured)

27
12
38
61
80
85
95
95
80
80
75
55
30
20
10
5
0
0
1
5
17
25
23
13

ISS Passover

Visibility (miles)

9
9
9
7
5
3
4
4
4
3
2
0
3
6
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
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

5
3
6
9
11
23
29
34
33
36
41
43
41
34
36
29
9
14
14
9
9
8
6
10

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-14
-14
-14
-13
-13
-12
-10
-9
-8
-8
-7
-7
-8
-8
-8
-8
-8
-7
-7
-7
-7
-7
-6
-6

Feels Like (°C)

-19
-19
-18
-18
-18
-19
-18
-17
-17
-14
-13
-14
-14
-15
-15
-14
-13
-12
-11
-12
-12
-11
-11
-11

Dew Point (°C)

-17
-17
-17
-16
-15
-15
-13
-12
-11
-10
-9
-9
-9
-10
-10
-10
-9
-8
-8
-8
-8
-8
-7
-8

Relative Humidity (%)

77
77
76
79
79
79
81
80
78
82
87
90
87
85
85
87
88
92
92
92
92
90
90
89

Pressure (mb)

1015
1015
1015
1015
1015
1016
1015
1014
1014
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1011
1011
1010
1010
1010

Ozone (du)

356
356
356
355
354
353
355
357
358
362
366
369
374
379
384
390
395
401
411
420
429
430
431
431

Sunday 18

New Moon 0%

07:45

16:25

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

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)

100
100
99
95
94
97
100
100
90
81
71
79
86
93
93
92
91
95
99
99

Low Clouds (% Sky Obscured)

75
77
76
75
73
73
73
77
75
72
69
73
78
83
84
82
80
80
82
80

Medium Clouds (% Sky Obscured)

100
100
99
95
94
97
98
97
83
70
58
47
39
33
22
11
0
1
2
1

High Clouds (% Sky Obscured)

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

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

Precipitation Probability (%)

11
12
39
57
72
72
66
54
38
26
17
19
21
22
22
19
13
13
10
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
7
7
6
6
7
8
9
11
9
8
7
10
12
15
15
15
16
17
16

Chance of Frost

Temperature (°C)

-7
-7
-7
-6
-6
-5
-5
-5
-5
-6
-6
-7
-8
-9
-10
-11
-13
-15
-15
-16

Feels Like (°C)

-10
-10
-10
-11
-11
-9
-9
-9
-8
-10
-10
-11
-10
-11
-11
-16
-17
-19
-19
-20

Dew Point (°C)

-8
-8
-8
-7
-7
-6
-6
-6
-7
-8
-8
-9
-10
-11
-12
-14
-16
-18
-19
-19

Relative Humidity (%)

90
90
90
94
94
96
92
92
89
87
85
84
85
85
87
81
78
73
73
73

Pressure (mb)

1009
1009
1009
1009
1008
1008
1008
1007
1007
1007
1007
1007
1007
1008
1008
1009
1009
1010
1011
1011

Ozone (du)

427
423
419
418
417
417
420
424
428
429
431
433
444
454
465
484
502
521
519
518

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

Generated: 12/01/26 04:12:57. Forecast: 12/01/26 to 18/01/26. Timezone: UTC-5.00