Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 30

Waxing Gibbous 81%

13:17

04:47

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: 07:40, Set: 16:22, Transit: 12:01. Moon - Rise: 13:17, Set: 04:47. Civil Dark: 16:57 - 07:06. Nautical Dark: 17:35 - 06:28. Astro Dark: 18:11 - 05:51

Total Clouds (% Sky Obscured)

99
98
96
100
95
95
95
93
100
100
100
100
100
100
99
72
91
100
100
100
100
83
90
76

Low Clouds (% Sky Obscured)

95
93
95
91
91
91
90
87
84
81
78
77
72
72
74
72
70
71
73
71
73
68
50
52

Medium Clouds (% Sky Obscured)

95
61
96
83
66
65
43
54
58
80
67
98
100
100
95
35
78
100
100
86
87
49
90
76

High Clouds (% Sky Obscured)

10
3
17
32
70
65
65
59
90
100
100
94
61
56
58
55
55
50
45
40
89
72
75
65

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
7
8
8
4
3
3
5
4

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

Precipitation Probability (%)

0
0
0
34
41
42
38
36
30
31
26
24
17
13
17
8
5
3
4
2
1
2
1
8

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
13
12
12
11
11
11
11
11
10
10
9
9
9
9
9
9
9
7
6
4
3
3
1

Chance of Frost

Temperature (°C)

-19
-20
-19
-19
-19
-18
-18
-18
-18
-18
-18
-18
-17
-17
-16
-16
-15
-15
-14
-15
-15
-16
-16
-16

Feels Like (°C)

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

Dew Point (°C)

-22
-23
-22
-22
-22
-21
-20
-20
-20
-20
-20
-21
-20
-20
-19
-19
-19
-18
-18
-17
-17
-17
-17
-17

Relative Humidity (%)

77
76
77
77
78
81
82
80
81
82
81
80
79
79
76
76
72
73
76
81
84
86
86
87

Pressure (mb)

998
998
998
998
998
998
998
998
998
999
999
1000
1001
1001
1001
1001
1001
1001
1001
1001
1002
1002
1003
1002

Ozone (du)

424
425
423
422
411
403
398
396
394
396
396
393
394
405
415
418
417
417
418
417
415
407
404
412

Wednesday 31

Waxing Gibbous 92%

14:08

06:10

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 OK
18 OK
19 OK
20 OK

Sun - Rise: 07:40, Set: 16:23, Transit: 12:02. Moon - Rise: 14:08, Set: 06:10. Civil Dark: 16:58 - 07:06. Nautical Dark: 17:36 - 06:28. Astro Dark: 18:12 - 05:52

Total Clouds (% Sky Obscured)

72
92
91
94
95
98
96
93
91
78
78
66
64
58
65
60
53
57
20
25
25
22
3
2

Low Clouds (% Sky Obscured)

61
75
70
58
12
64
64
81
83
76
78
65
64
57
65
60
48
10
15
20
19
20
2
2

Medium Clouds (% Sky Obscured)

62
82
81
86
95
96
92
79
71
14
0
0
2
3
1
9
19
57
15
15
15
1
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
1
2
5
4
25
2
0
0
0

ISS Passover

Visibility (miles)

7
7
9
9
9
9
7
4
2
6
7
3
8
9
9
9
3
1
4
7
8
8
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

9
9
6
3
2
3
3
1
1
1
0
2
0
0
0
0
0
2
11
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)

1
2
2
2
2
3
4
4
4
3
4
4
4
5
5
6
7
7
7
6
5
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-19
-20
-21
-21
-22
-23
-25
-26
-26
-27
-26
-27
-26
-24
-22
-23
-23
-23
-23
-23
-24
-25
-25
-25

Dew Point (°C)

-18
-18
-19
-19
-20
-21
-23
-24
-24
-25
-25
-26
-25
-24
-23
-22
-21
-21
-22
-22
-22
-23
-25
-26

Relative Humidity (%)

87
85
83
83
81
81
79
80
81
79
78
77
76
71
69
69
72
72
70
73
77
77
77
76

Pressure (mb)

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

Ozone (du)

416
411
408
400
396
397
386
384
386
382
368
363
355
345
339
335
332
334
343
350
358
362
360
358

Thursday 1

Waxing Gibbous 98%

15:15

07:22

21 OK
22 OK
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: 07:40, Set: 16:24, Transit: 12:02. Moon - Rise: 15:15, Set: 07:22. Civil Dark: 16:59 - 07:06. Nautical Dark: 17:36 - 06:28. Astro Dark: 18:13 - 05:52

Total Clouds (% Sky Obscured)

2
1
57
61
82
78
84
88
96
96
93
89
94
90
84
82
92
87
87
92
73
79
84
80

Low Clouds (% Sky Obscured)

1
1
57
61
65
68
74
83
81
86
81
76
83
76
73
68
87
77
79
91
73
79
80
69

Medium Clouds (% Sky Obscured)

0
0
0
0
53
49
63
56
58
43
10
5
6
5
0
0
7
1
0
0
0
0
21
47

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
9
9
7
8
9
9
9
4
1
1
1
1
1
4
6
9
9
9
9
9
9
7
5

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 (%)

0
0
0
0
0
3
4
8
8
7
9
8
13
10
10
6
6
8
11
13
12
12
8
10

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

Chance of Frost

Temperature (°C)

-24
-24
-25
-24
-24
-23
-23
-23
-23
-23
-22
-21
-19
-19
-17
-16
-15
-15
-15
-15
-16
-17
-17
-17

Feels Like (°C)

-26
-26
-27
-27
-26
-26
-25
-25
-26
-27
-26
-25
-23
-23
-21
-21
-21
-20
-20
-20
-20
-20
-21
-21

Dew Point (°C)

-26
-27
-27
-27
-27
-26
-26
-26
-26
-26
-25
-24
-22
-22
-20
-19
-20
-19
-18
-18
-19
-19
-20
-20

Relative Humidity (%)

76
74
74
74
75
75
75
75
74
75
76
77
81
79
77
74
68
69
73
76
80
79
79
79

Pressure (mb)

1009
1010
1010
1009
1009
1009
1009
1008
1008
1008
1008
1007
1007
1007
1006
1005
1005
1005
1005
1005
1006
1006
1007
1007

Ozone (du)

356
357
360
360
362
358
353
353
363
362
353
348
355
359
365
366
365
369
370
381
391
397
393
392

Friday 2

Waxing Gibbous 100%

16:34

08:18

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: 07:40, Set: 16:25, Transit: 12:03. Moon - Rise: 16:34, Set: 08:18. Civil Dark: 17:00 - 07:06. Nautical Dark: 17:37 - 06:28. Astro Dark: 18:14 - 05:52

Total Clouds (% Sky Obscured)

90
96
94
93
92
91
90
89
87
86
87
87
88
91
91
90
90
90
90
91
92
93
92
93

Low Clouds (% Sky Obscured)

80
74
81
83
86
88
90
89
87
86
87
87
88
91
91
90
90
90
90
91
92
93
86
81

Medium Clouds (% Sky Obscured)

70
74
65
61
45
27
8
15
20
30
2
0
0
0
0
0
2
4
7
3
5
70
70
55

High Clouds (% Sky Obscured)

0
23
24
27
44
17
16
48
45
39
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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 (%)

11
10
8
7
7
7
8
18
12
10
7
6
4
3
3
4
2
3
3
7
4
14
3
3

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-22
-22
-23
-23
-24
-24
-25
-25
-25
-25
-25
-26
-26
-26
-25
-24
-24
-24
-23
-23
-24
-25
-25
-25

Dew Point (°C)

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

Relative Humidity (%)

78
78
78
78
78
78
77
77
76
74
73
77
72
67
68
69
68
69
71
77
79
79
79
79

Pressure (mb)

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

Ozone (du)

393
384
381
375
370
361
358
367
372
378
376
371
370
383
386
383
381
384
385
383
384
381
382
382

Saturday 3

Full Moon 99%

17:57

08:59

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: 07:40, Set: 16:26, Transit: 12:03. Moon - Rise: 17:57, Set: 08:59. Civil Dark: 17:01 - 07:06. Nautical Dark: 17:38 - 06:28. Astro Dark: 18:15 - 05:52

Total Clouds (% Sky Obscured)

94
91
88
84
79
76
78
81
87
90
88
88
90
90
95
95
100
100
100
100
100
85
82
77

Low Clouds (% Sky Obscured)

74
85
88
82
72
49
33
40
48
61
49
40
35
30
30
25
63
61
59
39
20
0
0
0

Medium Clouds (% Sky Obscured)

50
55
55
55
50
45
55
3
3
2
3
2
2
0
0
0
0
0
0
0
0
0
5
11

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)

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

Precipitation Probability (%)

3
3
32
40
38
26
19
13
3
4
1
16
12
7
13
18
21
20
20
16
12
9
6
7

Precipitation Amount (mm)

0
0
0
0.1
0.1
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
3
3
3
3
3
2
2
2
2
3
3
5
6
7
7
7
7
6
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-23
-23
-23
-22
-22
-22
-22
-22
-23
-24
-24
-24
-22
-22
-20
-20
-19
-17
-18
-17
-19
-20
-21
-22

Relative Humidity (%)

79
80
80
82
82
83
83
83
82
82
82
82
81
78
77
75
77
79
80
83
82
81
82
82

Pressure (mb)

1016
1016
1016
1016
1016
1016
1017
1017
1017
1018
1018
1019
1019
1019
1019
1019
1018
1017
1017
1018
1018
1019
1019
1020

Ozone (du)

386
395
392
388
387
388
387
386
385
384
384
379
375
358
353
348
346
346
346
346
344
343
342
341

Sunday 4

Waning Gibbous 95%

19:19

09:29

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: 07:40, Set: 16:27, Transit: 12:04. Moon - Rise: 19:19, Set: 09:29. Civil Dark: 17:02 - 07:06. Nautical Dark: 17:39 - 06:28. Astro Dark: 18:16 - 05:52

Total Clouds (% Sky Obscured)

64
53
69
86
93
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
29
58
87
77
67
57
61
74
74
80
87
94
94
95
95
97
99

Medium Clouds (% Sky Obscured)

20
37
49
61
65
69
68
54
34
24
24
23
19
17
21
28
43
58
69
67
81
85
88
77

High Clouds (% Sky Obscured)

0
14
25
35
41
41
17
14
8
0
0
0
0
1
2
3
32
58
80
100
100
95
90
70

ISS Passover

Visibility (miles)

1
1
1
1
1
1
1
1
1
0
0
1
2
3
2
1
1
1
1
1
1
1
1
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
Snow
None
None
None
None
None
None
None
None
None
Snow
Snow

Precipitation Probability (%)

6
5
6
2
3
1
0
10
16
22
27
32
36
32
28
26
25
25
26
23
19
14
42
62

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.1
0
0
0
0
0
0
0
0
0
0.1
0.3

Wind Speed/Direction (mph)

4
3
3
2
1
1
1
2
2
2
2
3
3
4
5
6
7
6
6
6
6
5
5
5

Chance of Frost

Temperature (°C)

-20
-21
-22
-22
-23
-23
-23
-23
-22
-21
-20
-19
-18
-16
-15
-14
-13
-13
-13
-13
-13
-14
-14
-16

Feels Like (°C)

-24
-24
-24
-24
-24
-27
-27
-26
-26
-26
-26
-23
-24
-23
-22
-22
-21
-17
-18
-17
-17
-16
-16
-20

Dew Point (°C)

-23
-23
-24
-25
-25
-25
-25
-25
-24
-23
-23
-21
-20
-19
-18
-17
-16
-16
-15
-15
-15
-15
-16
-18

Relative Humidity (%)

80
79
79
79
79
78
78
78
78
79
79
80
79
79
78
78
78
79
81
84
84
86
86
85

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1017
1017
1016
1016
1016
1016
1016
1016

Ozone (du)

341
340
339
338
337
339
341
343
342
341
340
344
347
350
351
352
353
356
360
363
365
367
368
368

Monday 5

Waning Gibbous 89%

20:36

09:52

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: 07:40, Set: 16:28, Transit: 12:04. Moon - Rise: 20:36, Set: 09:52. Civil Dark: 17:03 - 07:05. Nautical Dark: 17:40 - 06:28. Astro Dark: 18:16 - 05:52

Total Clouds (% Sky Obscured)

100
99
99
99
99
99
98
82
67
51
37
24
10
15
15
28
27
31
42
51
59
68

Low Clouds (% Sky Obscured)

100
97
95
93
95
97
98
82
67
51
37
24
10
15
15
28
27
31
42
51
59
68

Medium Clouds (% Sky Obscured)

55
50
35
25
15
10
10
10
10
10
10
15
10
15
13
9
6
3
0
1
3
7

High Clouds (% Sky Obscured)

50
50
45
65
80
90
95
82
67
51
37
24
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

1
2
2
2
2
2
2
3
5
7
9
9
9
9
9
9
9
9
9
9
7
5

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

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

Precipitation Probability (%)

79
84
88
85
86
93
95
95
95
95
95
95
95
85
67
50
41
33
26
19
15
11

Precipitation Amount (mm)

0.4
0.5
0.6
0.5
0.5
0.6
0.8
0.7
0.9
1
0.9
0.9
0.9
0.6
0.4
0.2
0.1
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-17
-18
-19
-20
-20
-20
-18
-15
-16
-15
-18
-16
-16
-15
-14
-12
-11
-12
-12
-12
-13
-15

Feels Like (°C)

-20
-21
-21
-21
-21
-24
-22
-19
-19
-19
-22
-21
-22
-22
-21
-20
-19
-13
-12
-13
-12
-12

Dew Point (°C)

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

Relative Humidity (%)

84
82
81
81
78
80
80
79
81
79
79
76
76
73
73
73
73
76
81
84
84
82

Pressure (mb)

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

Ozone (du)

367
366
366
365
364
368
373
377
386
395
403
402
400
399
397
395
393
394
395
397
392
387

Forecast for Mont-Tremblant, Laurentides, Canada (46.18,-74.57)

Generated: 30/12/25 21:32:46. Forecast: 30/12/25 to 05/01/26. Timezone: UTC-5.00