Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 30

Waxing Gibbous 79%

13:44

02:52

19 Bad
20 Bad
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 OK
14 OK
15 OK
16 OK
17 Bad
18 Bad

Sun - Rise: 07:12, Set: 16:11, Transit: 11:41. Moon - Rise: 13:44, Set: 02:52. Civil Dark: 16:44 - 06:39. Nautical Dark: 17:21 - 06:02. Astro Dark: 17:56 - 05:26

Total Clouds (% Sky Obscured)

100
98
90
60
95
97
100
97
98
98
97
94
90
73
92
88
71
59
42
27
25
28
53
92

Low Clouds (% Sky Obscured)

87
76
84
60
75
88
99
92
95
95
92
83
90
73
92
85
67
59
42
27
25
28
51
19

Medium Clouds (% Sky Obscured)

83
33
38
36
57
85
93
88
92
48
24
23
0
0
0
0
0
0
0
0
0
0
11
47

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
6
85

ISS Passover

Visibility (miles)

8
9
0
7
9
9
9
9
9
0
1
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
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

27
9
3
24
27
24
31
34
53
48
34
18
12
8
4
3
1
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-5
-5
-3
-3
-4
-4
-4
-6
-7
-9
-10
-12
-12
-11
-12
-12
-11
-10
-9
-10
-9
-10
-10

Dew Point (°C)

0
0
1
0
-1
-2
-3
-3
-3
-1
-4
-6
-8
-9
-10
-12
-12
-13
-13
-13
-13
-12
-12
-13

Relative Humidity (%)

88
86
96
88
84
78
73
73
77
92
83
75
75
73
67
61
57
55
54
54
56
61
64
63

Pressure (mb)

1012
1011
1011
1011
1011
1012
1011
1012
1013
1014
1016
1019
1022
1024
1026
1027
1027
1027
1027
1028
1028
1028
1029
1029

Ozone (du)

355
361
363
366
369
381
396
406
412
408
409
415
418
414
413
418
416
411
408
401
401
396
393
392

Monday 1

Waxing Gibbous 88%

14:10

04:14

19 Bad
20 Bad
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: 07:13, Set: 16:11, Transit: 11:42. Moon - Rise: 14:10, Set: 04:14. Civil Dark: 16:44 - 06:40. Nautical Dark: 17:21 - 06:03. Astro Dark: 17:56 - 05:27

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

1
1
1
9
0
0
0
30
10
2
54
76
93
94
88
85
88
88
87
86
83
66
63
79

Medium Clouds (% Sky Obscured)

87
100
99
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
94
79
97
100
100
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
8
9
9
9
1
0
0
0
0
0
1
1
6
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
1
9
41
65
77
85
90
86
89
71
58
50
34
24

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.5
0.6
0.5
0.5
0.3
0.2
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-11
-11
-11
-11
-11
-11
-11
-11
-11
-11
-11
-11
-10
-11
-10
-9
-8
-8
-7
-7
-8
-8
-8
-9

Dew Point (°C)

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

Relative Humidity (%)

62
60
60
60
60
59
58
58
58
55
55
56
62
67
76
85
89
91
91
94
91
92
96
94

Pressure (mb)

1029
1028
1028
1027
1027
1026
1025
1024
1023
1022
1022
1021
1021
1020
1020
1019
1018
1017
1016
1015
1014
1013
1013
1012

Ozone (du)

393
397
392
389
385
383
382
380
377
375
368
361
359
363
368
367
367
366
364
363
363
363
364
363

Tuesday 2

Waxing Gibbous 95%

14:44

05:41

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

Sun - Rise: 07:14, Set: 16:10, Transit: 11:42. Moon - Rise: 14:44, Set: 05:41. Civil Dark: 16:44 - 06:41. Nautical Dark: 17:21 - 06:04. Astro Dark: 17:56 - 05:28

Total Clouds (% Sky Obscured)

73
96
94
87
84
82
76
63
57
25
42
25
39
30
39
64
60
81
88
94
100
100
100
100

Low Clouds (% Sky Obscured)

71
83
83
79
73
69
68
63
57
25
34
25
33
21
24
30
28
18
34
53
73
69
78
77

Medium Clouds (% Sky Obscured)

50
49
77
40
39
25
5
0
0
0
3
0
0
0
0
62
45
67
77
87
97
96
98
99

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
50
60
71
53
88
100
100
100
100

ISS Passover

Visibility (miles)

9
9
7
7
6
5
4
6
8
9
8
9
7
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

21
15
15
16
10
5
2
2
1
1
1
1
0
0
0
0
0
0
0
0
0
0
2
2

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

Chance of Frost

Temperature (°C)

-4
-5
-5
-6
-6
-7
-8
-9
-9
-10
-10
-10
-11
-10
-9
-7
-5
-4
-4
-3
-3
-3
-3
-3

Feels Like (°C)

-9
-9
-10
-10
-11
-11
-12
-13
-12
-13
-12
-13
-12
-13
-12
-11
-10
-8
-8
-8
-8
-8
-8
-9

Dew Point (°C)

-5
-6
-6
-6
-7
-8
-9
-10
-10
-11
-11
-11
-12
-11
-11
-9
-8
-7
-7
-7
-6
-5
-5
-6

Relative Humidity (%)

94
94
92
94
92
92
92
92
94
92
92
92
92
92
85
82
80
79
78
76
78
84
82
79

Pressure (mb)

1012
1012
1012
1011
1011
1011
1011
1012
1013
1014
1015
1015
1016
1016
1017
1017
1017
1016
1016
1015
1014
1014
1013
1013

Ozone (du)

362
362
361
364
364
361
362
362
360
360
358
355
350
347
345
348
351
351
348
342
340
341
343
345

Wednesday 3

Waxing Gibbous 99%

15:29

07:08

19 Bad
20 Bad
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 OK
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:15, Set: 16:10, Transit: 11:43. Moon - Rise: 15:29, Set: 07:08. Civil Dark: 16:43 - 06:42. Nautical Dark: 17:20 - 06:05. Astro Dark: 17:56 - 05:29

Total Clouds (% Sky Obscured)

100
100
100
99
98
96
97
99
99
100
100
100
99
98
98
93
88
79
34
60
76
91
97
100

Low Clouds (% Sky Obscured)

66
83
89
93
92
92
93
94
97
98
99
100
99
98
98
93
88
79
26
58
75
86
93
100

Medium Clouds (% Sky Obscured)

98
98
100
97
94
93
94
96
98
97
96
95
35
32
36
27
25
42
7
4
0
0
0
0

High Clouds (% Sky Obscured)

98
96
94
60
30
5
5
5
5
5
0
0
0
0
0
0
1
5
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

11
14
16
27
35
40
50
51
49
63
57
58
70
86
67
36
23
5
3
17
5
7
16
3

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.2
0.1
0.3
0.3
0.3
0.5
0.8
0.3
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
11
12
13
14
15
15
15
15
15
14
14
13
12
14
16
17
17
16
15
15
14
13
14

Chance of Frost

Temperature (°C)

-2
-2
-2
-2
-2
-1
-1
-1
-1
-1
-1
-1
-1
-2
-2
-5
-6
-8
-9
-10
-11
-12
-13
-13

Feels Like (°C)

-9
-9
-9
-9
-8
-8
-9
-9
-8
-8
-8
-9
-8
-8
-9
-13
-15
-16
-17
-17
-19
-20
-20
-21

Dew Point (°C)

-6
-5
-5
-4
-4
-4
-4
-3
-4
-4
-3
-3
-3
-3
-3
-7
-10
-12
-14
-15
-16
-17
-18
-18

Relative Humidity (%)

76
81
82
83
81
84
81
86
81
83
89
89
91
94
94
85
73
71
68
68
67
66
67
66

Pressure (mb)

1013
1012
1011
1011
1010
1009
1008
1008
1007
1006
1006
1006
1006
1006
1008
1009
1010
1011
1012
1013
1014
1016
1017
1018

Ozone (du)

348
353
356
361
363
363
363
364
364
362
360
357
358
363
373
379
378
379
383
395
413
422
427
428

Thursday 4

Full Moon 100%

16:30

08:27

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

Sun - Rise: 07:16, Set: 16:10, Transit: 11:43. Moon - Rise: 16:30, Set: 08:27. Civil Dark: 16:43 - 06:43. Nautical Dark: 17:20 - 06:06. Astro Dark: 17:56 - 05:30

Total Clouds (% Sky Obscured)

98
96
94
88
76
63
66
79
86
93
91
41
34
27
19
36
57
76
84
91
98
85
69
54

Low Clouds (% Sky Obscured)

95
89
82
76
69
63
48
45
50
60
67
31
30
25
19
16
19
19
23
24
29
36
49
51

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
17
36
62
71
78
85
62
44
31

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
3
4
26
47
68
75
81
90
63
32
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 (%)

6
5
2
6
5
2
2
2
0
0
0
0
0
0
0
2
1
1
3
3
3
6
5
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)

14
13
12
12
11
9
8
8
7
7
6
6
6
8
9
11
12
13
15
14
13
12
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-22
-22
-22
-22
-21
-21
-20
-20
-20
-21
-21
-21
-19
-19
-18
-18
-18
-17
-17
-14
-14
-13
-12
-12

Dew Point (°C)

-19
-19
-19
-19
-19
-18
-18
-18
-18
-18
-17
-18
-17
-17
-17
-17
-17
-16
-16
-15
-13
-12
-12
-12

Relative Humidity (%)

66
67
68
70
71
70
71
73
73
75
77
77
78
74
71
69
63
60
55
60
67
74
74
71

Pressure (mb)

1020
1021
1021
1022
1023
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1024
1023
1022
1021
1020
1020
1019
1019
1019

Ozone (du)

418
411
406
403
402
400
395
385
377
372
367
361
356
353
349
346
342
338
334
333
332
331
329
326

Friday 5

Waning Gibbous 97%

17:43

09:32

19 Bad
20 Bad
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: 07:17, Set: 16:10, Transit: 11:43. Moon - Rise: 17:43, Set: 09:32. Civil Dark: 16:43 - 06:44. Nautical Dark: 17:20 - 06:06. Astro Dark: 17:56 - 05:31

Total Clouds (% Sky Obscured)

55
56
53
58
67
88
96
96
92
97
93
94
78
76
90
95
98
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

55
56
53
58
67
69
70
71
73
63
56
52
35
18
1
23
47
70
70
69
69
69
68
70

Medium Clouds (% Sky Obscured)

36
37
43
39
40
41
41
40
40
45
50
50
45
50
61
78
89
100
100
100
100
100
99
98

High Clouds (% Sky Obscured)

0
0
0
0
0
0
2
8
29
58
89
94
70
49
26
20
17
20
45
50
55
51
39
28

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
12
13
13
12
10
7
4
1
1
2
1
1
1
0
0
0
0
0
0
0
1
1
1

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)

11
11
11
10
10
9
9
8
8
8
7
7
7
6
6
6
6
6
6
5
5
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
72
74
77
78
80
82
82
82
82
82
82
82
77
74
72
70
68
68
73
78
84
85
85

Pressure (mb)

1019
1018
1018
1018
1017
1017
1017
1016
1016
1016
1016
1015
1015
1015
1015
1015
1014
1013
1012
1012
1012
1012
1013
1013

Ozone (du)

324
327
331
334
335
335
336
338
341
344
342
340
338
333
329
325
321
318
314
313
311
310
312
314

Saturday 6

Waning Gibbous 92%

19:04

10:20

19 Bad
20 Bad
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

Sun - Rise: 07:18, Set: 16:10, Transit: 11:44. Moon - Rise: 19:04, Set: 10:20. Civil Dark: 16:43 - 06:45. Nautical Dark: 17:20 - 06:07. Astro Dark: 17:56 - 05:32

Total Clouds (% Sky Obscured)

97
94
91
73
57
41
39
43
47
61
74
84
88
92
98
98
97
97

Low Clouds (% Sky Obscured)

74
77
80
73
57
41
39
43
47
61
62
59
63
62
62
49
36
24

Medium Clouds (% Sky Obscured)

77
61
47
32
16
0
0
0
0
9
19
27
34
41
49
56
64
78

High Clouds (% Sky Obscured)

10
5
1
0
0
0
1
2
2
4
5
7
16
23
65
80
85
90

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

7
9
10
15
18
18
18
17
16
15
11
3
4
3
0
2
1
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
4
4
4
4
4
4
4
5
6
6
6
6
6
6
7
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
89
89
90
92
90
92
90
90
90
90
87
85
82
81
78
78
78

Pressure (mb)

1013
1013
1013
1014
1014
1014
1014
1014
1014
1015
1016
1016
1017
1017
1018
1018
1018
1017

Ozone (du)

316
315
315
315
314
313
312
311
310
309
307
304
302
302
302
303
303
303

Forecast for Domaine-Joyeux, Montérégie, Canada (45.22,-73.09)

Generated: 30/11/25 19:13:16. Forecast: 30/11/25 to 06/12/25. Timezone: UTC-5.00