Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 27

Waxing Crescent 46%

12:20

22:54

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

Sun - Rise: 07:04, Set: 15:58, Transit: 11:31. Moon - Rise: 12:20, Set: 22:54. Civil Dark: 16:32 - 06:30. Nautical Dark: 17:10 - 05:52. Astro Dark: 17:47 - 05:16

Total Clouds (% Sky Obscured)

100
100
100
99
84
90
100
98
100
96
97
100
99
99
99
98
96
97
97
98
100
97
93
91

Low Clouds (% Sky Obscured)

86
82
62
72
81
89
100
93
100
91
94
98
97
97
97
96
86
87
78
85
86
83
75
78

Medium Clouds (% Sky Obscured)

100
85
26
0
0
0
0
31
65
45
43
44
53
78
69
46
44
49
48
43
62
38
28
28

High Clouds (% Sky Obscured)

0
0
46
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
3
3
3
4
4
4
3
0
0
1
0
0
0
0
1
0
0
0
0
0
0
0

Fog (%)

66
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

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

Precipitation Probability (%)

77
60
21
20
18
9
22
29
43
56
43
57
65
66
60
58
54
60
53
53
53
59
56
52

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
89
89
91
88
88
86
89
96
98
94
96
98
94
94
94
94
94
94
96
96
96
98

Pressure (mb)

1001
1001
1001
1001
1002
1002
1002
1002
1002
1001
1001
1001
1002
1002
1002
1002
1001
1001
1001
1001
1000
1000
1000
1000

Ozone (du)

325
333
340
347
356
362
365
362
349
341
339
342
341
343
343
344
346
347
348
349
350
350
350
353

Friday 28

First Quarter 57%

12:38

00:09

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

Sun - Rise: 07:06, Set: 15:58, Transit: 11:32. Moon - Rise: 12:38, Set: 00:09. Civil Dark: 16:32 - 06:31. Nautical Dark: 17:10 - 05:53. Astro Dark: 17:46 - 05:17

Total Clouds (% Sky Obscured)

99
100
100
99
100
100
100
100
100
100
100
99
100
97
100
100
100
100
99
93
79
78
64
58

Low Clouds (% Sky Obscured)

71
90
89
90
92
88
79
88
100
96
87
76
77
68
61
59
60
54
55
46
40
30
21
9

Medium Clouds (% Sky Obscured)

74
78
92
92
100
100
100
100
100
100
100
96
98
86
98
100
100
100
98
85
54
55
46
50

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
47
53
58
36
4
3
4
2
0
0
0
0
2

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
1
2
5
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

53
62
59
59
65
68
65
67
69
64
54
54
55
46
30
27
14
16
15
15
13
10
8
11

Precipitation Amount (mm)

0.2
0.4
0.4
0.4
0.4
0.5
0.3
0.3
0.4
0.4
0.2
0.2
0.2
0.1
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
10
10
10
10
10
11
11
11
11
11
11
11
12
12
11
11
11
11
11
11
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
98
96
98
96
96
96
96
96
92
94
94
94
92
91
92
92
89
87
87
86
86
84

Pressure (mb)

1000
999
1000
999
1000
999
1000
999
999
999
999
999
1000
1000
1001
1002
1002
1003
1004
1005
1006
1007
1008
1009

Ozone (du)

355
359
362
364
368
373
386
393
393
387
380
375
368
362
356
353
350
348
345
348
348
347
342
334

Saturday 29

Waxing Gibbous 68%

12:55

01:25

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 OK
18 OK
19 OK
20 OK
21 OK
22 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:07, Set: 15:57, Transit: 11:32. Moon - Rise: 12:55, Set: 01:25. Civil Dark: 16:31 - 06:32. Nautical Dark: 17:09 - 05:54. Astro Dark: 17:46 - 05:18

Total Clouds (% Sky Obscured)

61
67
90
99
100
91
65
49
41
40
28
31
31
35
32
18
19
33
23
78
100
100
100
100

Low Clouds (% Sky Obscured)

2
20
27
35
22
32
27
44
41
40
28
31
31
35
32
18
16
17
8
2
13
17
21
60

Medium Clouds (% Sky Obscured)

56
57
78
98
100
84
46
5
1
0
0
0
0
7
0
0
0
0
0
16
94
100
100
100

High Clouds (% Sky Obscured)

2
2
20
2
7
47
39
0
0
0
0
0
0
0
0
4
6
25
19
78
100
100
100
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 (%)

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

11
11
10
10
10
10
11
11
12
12
11
10
9
8
8
6
6
5
5
5
5
4
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-6
-7
-8
-8
-8
-7
-7
-6
-6
-6
-5
-5
-6
-7
-7
-8
-8
-9
-9
-9
-10
-10
-9
-9

Relative Humidity (%)

81
78
76
76
76
76
76
75
74
74
75
76
79
81
81
85
85
87
85
83
82
82
82
80

Pressure (mb)

1010
1012
1014
1016
1017
1019
1020
1021
1021
1022
1023
1024
1025
1027
1028
1028
1029
1029
1030
1030
1030
1030
1031
1030

Ozone (du)

331
335
341
349
350
351
354
355
355
355
355
352
348
344
344
342
342
340
339
337
335
335
334
333

Sunday 30

Waxing Gibbous 79%

13:12

02:45

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

Sun - Rise: 07:08, Set: 15:57, Transit: 11:32. Moon - Rise: 13:12, Set: 02:45. Civil Dark: 16:31 - 06:34. Nautical Dark: 17:09 - 05:56. Astro Dark: 17:46 - 05:19

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

75
81
90
90
90
91
94
97
100
100
100
100
99
98
97
98
98
98
95
91
88
92
96
99

Medium Clouds (% Sky Obscured)

100
100
100
99
97
96
97
99
100
100
100
100
100
100
100
97
94
90
87
83
79
42
34
24

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
42
35
17
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

2
5
19
37
63
70
87
95
95
95
95
95
95
95
95
95
95
95
91
88
81
62
53
45

Precipitation Amount (mm)

0
0
0
0
0.3
0.5
0.7
1.1
1.3
1.2
1.2
1.3
1.4
1.3
1
0.9
1.2
1.2
0.6
0.6
0.6
0.3
0.2
0

Wind Speed/Direction (mph)

3
2
2
2
4
6
7
8
7
7
6
5
5
2
4
7
7
6
8
12
14
16
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-8
-8
-7
-7
-6
-5
-5
-4
-4
-3
-2
-2
-1
-1
-1
-0
-0
0
1
1
1
1
-0
-0

Relative Humidity (%)

80
80
84
85
90
94
94
96
96
94
96
94
98
98
98
98
98
98
98
98
98
98
94
94

Pressure (mb)

1030
1030
1029
1029
1028
1027
1026
1024
1022
1020
1019
1017
1016
1015
1014
1013
1012
1011
1010
1010
1009
1009
1010
1010

Ozone (du)

331
331
332
335
341
346
347
348
348
350
353
353
355
358
362
370
377
387
395
402
400
398
397
398

Monday 1

Waxing Gibbous 88%

13:32

No Set

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

Sun - Rise: 07:09, Set: 15:56, Transit: 11:33. Moon - Rise: 13:32, Set: No Set. Civil Dark: 16:31 - 06:35. Nautical Dark: 17:09 - 05:57. Astro Dark: 17:45 - 05:20

Total Clouds (% Sky Obscured)

93
98
82
92
91
62
51
32
29
29
28
29
28
20
39
51
58
63
69
69
70
70
65
55

Low Clouds (% Sky Obscured)

92
98
82
91
91
62
51
32
29
29
28
29
28
20
16
11
6
1
2
2
3
15
27
39

Medium Clouds (% Sky Obscured)

48
30
34
36
42
44
29
15
4
3
1
0
0
3
26
25
21
21
27
35
43
44
44
45

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
14
25
37
47
54
55
50
45
50

ISS Passover

Visibility (miles)

6
3
3
2
7
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
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

36
37
32
42
53
59
53
48
37
35
31
16
19
15
9
15
12
4
5
3
1
2
2
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

18
17
16
15
17
18
19
18
17
17
17
17
16
14
14
13
12
11
11
10
9
9
8
7

Chance of Frost

Temperature (°C)

0
-1
-1
-2
-2
-2
-2
-3
-3
-3
-4
-5
-7
-8
-9
-10
-11
-11
-12
-12
-13
-13
-13
-14

Feels Like (°C)

-7
-7
-8
-8
-9
-9
-9
-9
-9
-9
-10
-10
-11
-12
-12
-14
-14
-14
-15
-16
-17
-18
-18
-19

Dew Point (°C)

-2
-3
-3
-4
-5
-6
-6
-6
-7
-7
-8
-10
-11
-12
-13
-14
-14
-14
-15
-15
-15
-15
-16
-16

Relative Humidity (%)

83
83
86
86
78
76
75
75
75
73
73
72
73
77
77
77
78
78
79
79
79
81
79
81

Pressure (mb)

1010
1011
1012
1013
1013
1014
1015
1016
1016
1017
1018
1019
1020
1021
1023
1024
1024
1025
1026
1026
1027
1027
1027
1027

Ozone (du)

400
400
397
398
395
395
401
401
398
397
393
398
401
400
399
393
389
386
382
382
382
382
380
379

Tuesday 2

Waxing Gibbous 95%

13:56

04:10

04 Bad
05 OK
06 OK
07 OK
08 OK
09 OK
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

Sun - Rise: 07:10, Set: 15:56, Transit: 11:33. Moon - Rise: 13:56, Set: 04:10. Civil Dark: 16:30 - 06:36. Nautical Dark: 17:09 - 05:58. Astro Dark: 17:45 - 05:21

Total Clouds (% Sky Obscured)

50
40
25
20
15
15
47
73
100
93
85
79
88
95
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

42
34
25
20
15
15
40
40
40
40
40
35
30
24
19
18
22
25
26
36
38
35
29
27

Medium Clouds (% Sky Obscured)

45
40
25
20
15
15
47
73
88
75
63
50
37
26
11
22
32
42
50
58
66
65
61
56

High Clouds (% Sky Obscured)

50
40
25
20
15
15
47
73
100
93
85
79
88
95
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
6
3
0
0
0
0
0
0
0
0
1
1
2
4
6
7
8
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
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
3
5
6
18
24
30
35
39
42
38
34
27
26
24
15
21
20
14
17
15
5

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
81
81
83
81
83
85
85
88
90
90
92
94
92
90
90
88
88
86
85
85
83
82
83

Pressure (mb)

1028
1028
1028
1028
1028
1028
1028
1027
1026
1026
1025
1025
1024
1024
1023
1023
1022
1021
1020
1019
1018
1017
1016
1016

Ozone (du)

377
374
371
368
368
368
367
366
364
363
361
360
358
358
358
358
359
360
362
362
362
362
362
362

Wednesday 3

Waxing Gibbous 99%

14:28

05:38

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
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:12, Set: 15:55, Transit: 11:33. Moon - Rise: 14:28, Set: 05:38. Civil Dark: 16:30 - 06:37. Nautical Dark: 17:08 - 05:59. Astro Dark: 17:45 - 05:22

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
98
97
97
97
97
93
90
86
87
89
90
93
97
100

Low Clouds (% Sky Obscured)

23
20
16
18
20
20
22
24
30
38
47
60
62
62
60
50
42
33
35
40
35

Medium Clouds (% Sky Obscured)

58
60
61
72
87
100
86
79
71
70
70
76
76
76
76
79
82
85
87
93
98

High Clouds (% Sky Obscured)

100
100
100
100
100
100
98
98
97
92
83
75
83
90
86
87
89
90
93
97
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
6
5
5
5
5
6
8
9
6
3
0
0
0

Fog (%)

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
Snow
None
None
None
None
None

Precipitation Probability (%)

10
8
1
6
4
1
7
10
6
16
19
19
37
32
24
37
36
23
26
21
18

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
12
12
11
12
12
13
13
12
12
11
10
10
9
8
7
6
5
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-13
-13
-12
-11
-13
-13
-13
-13
-12
-11
-8
-7
-7
-6
-5
-4
-10
-10
-10
-11
-11

Dew Point (°C)

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

Relative Humidity (%)

83
83
83
83
82
82
80
79
81
81
84
87
90
90
89
89
89
90
90
92
92

Pressure (mb)

1015
1015
1015
1015
1015
1015
1014
1014
1013
1013
1013
1013
1014
1014
1014
1015
1015
1014
1014
1014
1014

Ozone (du)

362
363
364
366
365
364
363
362
361
360
357
355
352
351
349
348
347
346
345
344
343

Forecast for Saint-Jean-de-l'Ile-d'Orléans, Capitale-Nationale, Canada (46.93,-70.93)

Generated: 27/11/25 04:26:29. Forecast: 27/11/25 to 03/12/25. Timezone: UTC-5.00