Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 28

First Quarter 57%

12:34

00:02

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
05 Bad

Sun - Rise: 07:05, Set: 15:47, Transit: 11:26. Moon - Rise: 12:34, Set: 00:02. Civil Dark: 16:23 - 06:30. Nautical Dark: 17:02 - 05:52. Astro Dark: 17:39 - 05:14

Total Clouds (% Sky Obscured)

95
95
92
78
95
100
100
100
100
100
100
100
100
99
99
92
90
100
100
99
99
97
91
83

Low Clouds (% Sky Obscured)

52
49
46
73
91
100
98
91
90
90
77
73
69
76
75
77
72
85
68
66
69
69
67
67

Medium Clouds (% Sky Obscured)

50
58
67
57
83
100
100
100
100
100
98
100
100
96
94
68
67
98
100
97
98
91
77
64

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
6
1
1
6
0
4
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
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
13
29
41
35
47
47
48
41
26
14
13
7
6
6
5
12
5
6
3
2
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-4
-4
-3
0
0
0
0
0
0
-0
-1
-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-2
-3
-3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
94
87
84
92
91
91
94
92
96
96
94
96
94
94
94
94
94
96
94
92
91
91

Pressure (mb)

999
999
999
999
998
998
998
998
998
998
998
998
999
999
1000
1000
1000
1001
1002
1003
1004
1004
1005
1007

Ozone (du)

344
344
346
348
352
359
368
378
385
391
392
389
388
384
376
370
363
357
352
346
342
344
345
346

Saturday 29

Waxing Gibbous 68%

12:49

01:20

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

Sun - Rise: 07:06, Set: 15:47, Transit: 11:26. Moon - Rise: 12:49, Set: 01:20. Civil Dark: 16:22 - 06:31. Nautical Dark: 17:01 - 05:53. Astro Dark: 17:39 - 05:15

Total Clouds (% Sky Obscured)

100
99
98
97
96
96
95
98
99
96
22
16
14
0
1
1
38
63
56
27
41
92
85
100

Low Clouds (% Sky Obscured)

73
53
69
76
35
44
50
76
58
27
22
16
14
0
1
1
23
30
12
11
27
20
1
2

Medium Clouds (% Sky Obscured)

100
95
92
84
84
85
78
90
96
87
0
0
0
0
0
0
0
5
53
9
0
63
84
100

High Clouds (% Sky Obscured)

0
0
0
0
0
2
45
45
45
0
0
0
0
0
0
0
18
39
24
19
28
85
66
100

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 (%)

2
1
2
2
2
3
1
1
1
1
0
0
0
0
0
0
3
1
1
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)

7
6
8
10
12
13
13
12
13
12
9
7
6
5
5
4
5
5
6
6
5
5
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-5
-6
-6
-7
-8
-8
-7
-7
-7
-7
-7
-6
-7
-7
-7
-8
-8
-9
-9
-9
-9
-9
-8
-8

Relative Humidity (%)

89
87
85
81
76
76
76
78
78
78
84
90
90
90
92
90
90
90
88
88
90
88
90
90

Pressure (mb)

1009
1010
1012
1013
1015
1016
1017
1018
1019
1021
1022
1023
1025
1026
1026
1026
1027
1027
1028
1029
1029
1029
1029
1029

Ozone (du)

347
338
338
340
340
342
341
343
346
353
359
359
356
355
353
352
346
347
347
346
343
341
338
338

Sunday 30

Waxing Gibbous 79%

13:06

02:41

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
05 Bad

Sun - Rise: 07:07, Set: 15:46, Transit: 11:27. Moon - Rise: 13:06, Set: 02:41. Civil Dark: 16:22 - 06:32. Nautical Dark: 17:01 - 05:54. Astro Dark: 17:38 - 05:16

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
99
100
100
100
100
100
100
100
100
93
100
100
95
97
98
100
100
100

Low Clouds (% Sky Obscured)

20
73
76
87
92
93
93
93
91
87
91
96
93
97
91
89
82
81
80
84
89
92
82
75

Medium Clouds (% Sky Obscured)

100
100
100
100
98
89
95
100
100
100
100
100
97
100
98
79
100
100
84
89
94
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
78
67
60
2
0
12
0
0
0
0
0
0
0
5
10
10
10
8
0

ISS Passover

Visibility (miles)

9
9
9
9
6
0
0
0
0
0
0
0
0
0
0
0
0
1
2
0
0
0
6
6

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

Precipitation Probability (%)

0
0
0
17
37
75
76
71
86
91
93
95
95
95
95
85
58
38
20
35
31
31
42
39

Precipitation Amount (mm)

0
0
0
0
0
0.5
0.4
0.3
0.5
0.6
0.6
0.8
0.7
1
0.9
0.4
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
87
87
90
92
94
96
96
96
96
98
98
96
96
98
96
98
98
98
100
98
98
96

Pressure (mb)

1029
1029
1029
1028
1027
1026
1025
1023
1022
1020
1019
1017
1016
1015
1013
1011
1009
1008
1007
1006
1005
1004
1003
1003

Ozone (du)

343
342
343
346
350
354
357
357
358
359
360
364
367
369
373
380
386
394
394
396
392
393
396
400

Monday 1

Waxing Gibbous 88%

13:24

04:08

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

Sun - Rise: 07:09, Set: 15:46, Transit: 11:27. Moon - Rise: 13:24, Set: 04:08. Civil Dark: 16:21 - 06:33. Nautical Dark: 17:00 - 05:55. Astro Dark: 17:38 - 05:17

Total Clouds (% Sky Obscured)

100
85
73
43
17
18
16
23
31
37
29
15
0
2
3
16
50
77
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

45
27
24
22
17
18
16
23
29
35
22
11
0
0
1
0
0
0
0
0
0
1
15
1

Medium Clouds (% Sky Obscured)

100
70
40
6
0
0
0
0
0
0
0
0
0
0
1
13
46
72
100
100
100
100
95
89

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
8
31
59
84
66
50
31
53
75

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 (%)

32
30
28
8
19
21
4
12
16
1
7
10
0
5
5
0
0
0
0
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)

14
19
21
24
26
24
23
21
19
17
14
13
11
10
9
8
7
6
5
4
4
3
3
3

Chance of Frost

Temperature (°C)

-3
-3
-4
-6
-7
-7
-8
-9
-10
-11
-11
-12
-13
-14
-15
-15
-15
-15
-15
-15
-15
-15
-14
-14

Feels Like (°C)

-9
-11
-12
-14
-15
-15
-14
-14
-15
-15
-16
-16
-16
-17
-17
-17
-19
-20
-20
-19
-19
-19
-18
-18

Dew Point (°C)

-5
-6
-7
-9
-10
-11
-12
-12
-14
-15
-16
-17
-17
-17
-17
-17
-18
-18
-18
-17
-17
-17
-17
-17

Relative Humidity (%)

84
79
78
76
76
74
72
75
72
70
67
69
73
79
81
81
81
80
80
80
80
79
77
77

Pressure (mb)

1004
1005
1007
1009
1012
1014
1016
1018
1020
1022
1024
1025
1025
1026
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026

Ozone (du)

403
405
405
410
408
409
411
409
410
406
411
412
407
403
403
399
396
392
389
388
384
377
377
377

Tuesday 2

Waxing Gibbous 95%

13:46

05:38

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
05 Bad

Sun - Rise: 07:10, Set: 15:45, Transit: 11:28. Moon - Rise: 13:46, Set: 05:38. Civil Dark: 16:21 - 06:34. Nautical Dark: 17:00 - 05:56. Astro Dark: 17:38 - 05:18

Total Clouds (% Sky Obscured)

100
88
74
64
76
89
100
100
100
100
96
93
90
80
85
80
85
87
90
80
75
71
76
83

Low Clouds (% Sky Obscured)

20
24
28
32
40
44
51
61
65
74
61
48
40
40
40
45
60
68
77
69
64
59
65
73

Medium Clouds (% Sky Obscured)

84
64
45
20
43
73
100
100
100
100
96
93
90
80
78
75
81
82
80
49
29
22
19
16

High Clouds (% Sky Obscured)

97
76
58
48
72
87
100
75
57
35
20
15
20
30
35
25
22
12
3
2
1
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
4
7
0
0
0
0
0
0
0
0
0
1
1
1
1
0
3
6
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
5
5
13
13
41
50
53
54
51
52
54
58
51
42
34
32
33
34
30
28
22
17
12

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
2
1
1
1
1
2
2
2
2
2
1
3
4
3
4
4
4
5
5
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-17
-17
-16
-15
-13
-12
-11
-10
-9
-9
-9
-9
-9
-9
-10
-11
-12
-13
-13
-13
-14
-14
-15
-15

Relative Humidity (%)

79
78
76
78
85
85
88
90
92
92
92
94
94
94
94
94
92
92
90
92
90
90
88
88

Pressure (mb)

1025
1025
1024
1024
1023
1023
1022
1020
1020
1019
1018
1018
1017
1017
1016
1015
1014
1014
1014
1013
1013
1013
1013
1013

Ozone (du)

381
381
379
378
377
376
377
379
379
377
376
375
369
368
369
370
371
375
380
384
380
377
373
373

Wednesday 3

Waxing Gibbous 99%

14:16

No Set

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
05 Bad

Sun - Rise: 07:11, Set: 15:45, Transit: 11:28. Moon - Rise: 14:16, Set: No Set. Civil Dark: 16:21 - 06:35. Nautical Dark: 17:00 - 05:57. Astro Dark: 17:38 - 05:19

Total Clouds (% Sky Obscured)

89
89
90
90
92
96
98
98
99
100
100
100
99
99
99
98
88
78
70
73
80
89
90
86

Low Clouds (% Sky Obscured)

80
78
80
68
63
58
54
54
57
58
61
64
67
68
70
72
71
70
68
67
65
65
45
27

Medium Clouds (% Sky Obscured)

13
17
23
27
44
61
78
76
74
72
80
89
96
94
92
90
60
31
3
8
17
30
24
15

High Clouds (% Sky Obscured)

0
0
0
0
19
39
58
72
86
100
100
100
99
98
96
90
54
25
5
14
26
40
41
37

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 (%)

3
7
7
1
5
7
3
6
5
1
13
15
7
14
15
8
13
16
9
11
12
6
16
15

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)

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

Chance of Frost

Temperature (°C)

-14
-14
-11
-10
-8
-7
-7
-6
-7
-7
-7
-8
-9
-10
-9
-9
-8
-9
-9
-9
-10
-10
-10
-11

Feels Like (°C)

-14
-14
-16
-16
-16
-15
-15
-15
-9
-8
-8
-8
-7
-8
-14
-14
-15
-15
-15
-14
-13
-13
-13
-14

Dew Point (°C)

-15
-16
-14
-12
-11
-10
-9
-9
-9
-9
-9
-9
-10
-11
-11
-10
-10
-10
-11
-11
-11
-11
-11
-12

Relative Humidity (%)

86
84
83
83
82
82
80
80
83
87
90
90
90
90
88
88
87
87
88
88
90
90
92
90

Pressure (mb)

1013
1013
1013
1013
1013
1013
1012
1011
1011
1011
1011
1011
1010
1010
1010
1009
1009
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

373
373
374
375
376
378
380
382
378
374
370
369
367
365
363
360
358
362
365
369
369
370
371
373

Thursday 4

Full Moon 100%

14:59

07:08

06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 OK
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: 07:12, Set: 15:44, Transit: 11:28. Moon - Rise: 14:59, Set: 07:08. Civil Dark: 16:20 - 06:36. Nautical Dark: 17:00 - 05:58. Astro Dark: 17:38 - 05:20

Total Clouds (% Sky Obscured)

73
74
75
67
56
49
45
56
63
70
75
77
80
85
90
95
96
95
95

Low Clouds (% Sky Obscured)

7
9
11
13
19
25
31
38
46
50
50
53
55
39
24
7
34
62
85

Medium Clouds (% Sky Obscured)

3
3
4
4
12
20
32
38
44
49
49
46
37
57
67
81
76
78
73

High Clouds (% Sky Obscured)

56
51
50
31
24
15
6
4
2
1
10
18
27
45
63
84
56
32
6

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

6
16
17
8
11
9
4
6
5
2
7
8
2
11
12
3
18
22
19

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-11
-11
-10
-8
-7
-7
-6
-6
-7
-7
-8
-10
-11
-12
-12
-13
-14
-12
-10

Feels Like (°C)

-15
-17
-14
-13
-12
-11
-10
-9
-10
-10
-10
-10
-10
-10
-17
-16
-16
-15
-14

Dew Point (°C)

-12
-13
-12
-11
-10
-10
-10
-9
-10
-11
-12
-13
-14
-15
-15
-15
-16
-15
-13

Relative Humidity (%)

90
88
85
82
77
79
77
77
77
77
75
78
78
81
81
81
79
81
81

Pressure (mb)

1008
1009
1009
1009
1009
1009
1009
1008
1008
1009
1009
1009
1009
1010
1009
1009
1009
1009
1008

Ozone (du)

374
376
378
380
382
383
385
387
388
388
388
388
388
388
388
388
388
386
384

Forecast for Grandes-Bergeronnes, Côte-Nord, Canada (48.24,-69.55)

Generated: 28/11/25 06:31:54. Forecast: 28/11/25 to 04/12/25. Timezone: UTC-5.00