Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 29

Waxing Gibbous 71%

12:22

03:09

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
19 Bad

Sun - Rise: 07:29, Set: 16:04, Transit: 11:46. Moon - Rise: 12:22, Set: 03:09. Civil Dark: 16:39 - 06:53. Nautical Dark: 17:18 - 06:15. Astro Dark: 17:55 - 05:38

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

99
97
94
86
82
88
85
92
96
97
97
92
88
91
98
100
100
95
95
88
90
82
84
79

Medium Clouds (% Sky Obscured)

99
100
75
96
99
86
87
90
80
80
78
81
83
82
82
82
82
98
83
80
80
81
83
83

High Clouds (% Sky Obscured)

0
0
0
55
43
50
45
45
9
0
0
0
0
0
0
0
0
0
1
0
2
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
1
3
1
0
0
0
0
0
1
0
0
0
0
0
0
1
0
0
0
1

Fog (%)

2
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
None
None
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
Snow
None
None
None
None
None
None
None
None

Precipitation Probability (%)

77
64
51
37
28
40
46
46
45
39
41
25
31
34
38
40
34
30
30
29
28
27
23
14

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

2
2
2
6
9
8
9
15
17
14
13
13
13
14
16
18
18
19
19
19
18
18
17
17

Chance of Frost

Temperature (°C)

-2
-3
-4
-3
-3
-4
-4
-5
-8
-10
-10
-11
-11
-11
-10
-10
-10
-10
-11
-11
-12
-13
-13
-14

Feels Like (°C)

-5
-7
-8
-8
-8
-9
-8
-10
-14
-16
-17
-17
-17
-17
-16
-17
-17
-17
-19
-19
-20
-21
-21
-22

Dew Point (°C)

-2
-3
-5
-4
-4
-5
-5
-6
-9
-11
-12
-13
-13
-12
-11
-12
-12
-12
-13
-14
-15
-16
-16
-17

Relative Humidity (%)

98
96
94
96
94
90
92
92
90
87
88
85
86
88
88
85
85
83
81
80
79
79
79
76

Pressure (mb)

984
984
983
983
981
981
982
982
983
984
984
984
984
984
984
984
984
985
985
986
987
988
989
990

Ozone (du)

350
361
383
377
384
384
389
384
383
380
380
377
380
375
376
384
393
398
404
413
425
428
432
439

Tuesday 30

Waxing Gibbous 84%

12:58

04:35

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
19 Bad

Sun - Rise: 07:29, Set: 16:05, Transit: 11:47. Moon - Rise: 12:58, Set: 04:35. Civil Dark: 16:40 - 06:54. Nautical Dark: 17:18 - 06:15. Astro Dark: 17:55 - 05:38

Total Clouds (% Sky Obscured)

100
100
99
94
97
97
96
98
94
88
86
93
93
90
91
89
87
92
100
100
94
80
97
100

Low Clouds (% Sky Obscured)

86
86
78
62
78
76
77
85
84
73
67
79
79
82
87
88
84
85
84
80
77
65
67
22

Medium Clouds (% Sky Obscured)

99
97
96
79
87
85
86
78
43
34
8
21
28
31
50
51
50
41
80
81
60
43
93
100

High Clouds (% Sky Obscured)

10
25
65
51
39
75
69
75
75
75
63
47
6
6
6
44
29
38
32
28
27
34
15
68

ISS Passover

Visibility (miles)

2
2
1
2
2
1
2
1
1
0
0
0
0
0
0
1
1
1
1
3
5
8
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

22
17
15
11
18
8
20
22
24
24
23
22
29
27
25
27
23
21
15
12
11
8
4
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)

17
16
16
16
16
15
14
14
13
12
13
13
13
13
14
14
14
13
12
11
8
6
6
5

Chance of Frost

Temperature (°C)

-15
-15
-16
-17
-17
-17
-17
-17
-17
-17
-17
-16
-16
-16
-16
-15
-15
-14
-14
-14
-15
-17
-18
-18

Feels Like (°C)

-22
-23
-23
-24
-24
-24
-24
-24
-24
-23
-23
-23
-23
-23
-23
-22
-21
-21
-20
-20
-20
-22
-22
-22

Dew Point (°C)

-18
-19
-19
-20
-21
-21
-21
-21
-20
-20
-19
-19
-19
-18
-18
-18
-18
-17
-17
-17
-18
-20
-21
-21

Relative Humidity (%)

74
72
73
73
71
73
73
74
78
79
82
80
80
81
81
80
77
76
79
79
79
79
79
79

Pressure (mb)

990
991
992
992
993
994
995
995
996
997
997
998
999
1000
1000
1000
1000
1000
1001
1001
1002
1002
1003
1003

Ozone (du)

442
446
445
448
451
452
458
452
439
436
426
419
408
404
397
397
401
410
411
413
411
413
419
418

Wednesday 31

Waxing Gibbous 92%

13:49

05:58

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 OK
17 OK
18 Bad
19 Bad

Sun - Rise: 07:29, Set: 16:06, Transit: 11:47. Moon - Rise: 13:49, Set: 05:58. Civil Dark: 16:41 - 06:54. Nautical Dark: 17:19 - 06:15. Astro Dark: 17:56 - 05:38

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
84
38
38
69
82
58
41
20
26
50
51

Low Clouds (% Sky Obscured)

46
69
69
72
90
81
81
86
79
84
79
93
95
81
38
38
67
66
43
25
4
4
12
12

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
47
25
21
6
5
2
0
20
26
50
51

High Clouds (% Sky Obscured)

50
22
31
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4

ISS Passover

Visibility (miles)

6
7
8
7
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8

Fog (%)

0
0
0
0
1
2
0
0
1
2
1
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

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

Precipitation Probability (%)

4
6
8
14
17
25
27
24
27
35
52
59
55
45
33
26
15
9
9
4
4
5
3
5

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
80
80
80
80
79
79
80
80
79
79
78
79
78
76
72
70
72
73
73
70
70
75
74

Pressure (mb)

1003
1002
1002
1002
1002
1002
1002
1001
1001
1001
1001
1001
1001
1002
1002
1002
1001
1001
1002
1003
1003
1004
1005
1005

Ozone (du)

424
430
437
439
443
448
444
438
448
438
424
419
420
418
402
384
373
368
367
363
355
350
345
340

Thursday 1

Waxing Gibbous 97%

14:55

07:11

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
19 Bad

Sun - Rise: 07:29, Set: 16:07, Transit: 11:48. Moon - Rise: 14:55, Set: 07:11. Civil Dark: 16:42 - 06:54. Nautical Dark: 17:20 - 06:15. Astro Dark: 17:57 - 05:38

Total Clouds (% Sky Obscured)

46
74
70
55
51
66
66
39
39
52
38
38
38
36
46
80
98
99
99
86
96
100
100
95

Low Clouds (% Sky Obscured)

11
29
32
29
29
44
46
34
39
51
38
38
25
12
15
37
49
60
70
66
48
75
85
84

Medium Clouds (% Sky Obscured)

46
54
39
24
9
19
24
30
22
11
1
3
7
11
29
47
65
65
95
64
96
96
60
76

High Clouds (% Sky Obscured)

5
4
3
2
0
9
16
23
16
14
2
13
22
35
46
73
85
65
47
25
25
41
6
2

ISS Passover

Visibility (miles)

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

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

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 (%)

8
7
8
8
4
5
8
9
12
11
11
14
13
10
13
12
5
8
9
7
12
11
9
12

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
74
75
77
76
73
73
73
73
71
71
69
69
72
67
67
70
73
76
77
78
78
79
78

Pressure (mb)

1005
1006
1006
1006
1005
1005
1006
1006
1006
1005
1006
1006
1006
1006
1006
1006
1005
1005
1005
1005
1006
1006
1007
1007

Ozone (du)

340
343
341
335
330
332
334
335
338
343
348
350
346
347
341
341
346
349
345
343
348
355
363
362

Friday 2

Waxing Gibbous 100%

16:15

08:07

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
19 Bad

Sun - Rise: 07:28, Set: 16:08, Transit: 11:48. Moon - Rise: 16:15, Set: 08:07. Civil Dark: 16:43 - 06:54. Nautical Dark: 17:21 - 06:15. Astro Dark: 17:58 - 05:38

Total Clouds (% Sky Obscured)

93
86
83
84
90
95
97
97
96
100
100
91
82
73
67
61
54
69
83
95
83
72
62
64

Low Clouds (% Sky Obscured)

81
69
68
68
74
82
81
79
76
77
76
72
69
64
53
43
34
53
73
93
67
38
9
13

Medium Clouds (% Sky Obscured)

63
41
42
48
64
30
32
36
37
75
100
75
47
21
25
32
39
39
40
41
43
43
45
49

High Clouds (% Sky Obscured)

10
14
2
0
3
2
6
2
0
1
2
7
13
18
15
9
1
1
1
2
2
2
3
2

ISS Passover

Visibility (miles)

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

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

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 (%)

12
6
10
10
6
8
8
6
8
9
6
12
10
2
5
5
3
4
6
4
7
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-21
-20
-21
-21
-22
-22
-22
-23
-23
-23
-22
-22
-21
-21
-21
-21
-21
-21
-19
-19
-19
-19
-19
-19

Dew Point (°C)

-19
-19
-20
-20
-20
-21
-21
-21
-21
-22
-21
-20
-20
-20
-20
-20
-20
-20
-21
-21
-20
-22
-23
-24

Relative Humidity (%)

79
79
77
79
79
79
78
78
78
77
79
79
76
74
70
68
65
63
65
68
72
72
72
71

Pressure (mb)

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

Ozone (du)

359
367
396
393
386
403
402
389
380
378
379
383
386
389
392
390
388
387
380
374
367
367
367
367

Saturday 3

Full Moon 99%

17:39

08:47

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

Sun - Rise: 07:28, Set: 16:09, Transit: 11:49. Moon - Rise: 17:39, Set: 08:47. Civil Dark: 16:44 - 06:53. Nautical Dark: 17:22 - 06:15. Astro Dark: 17:59 - 05:38

Total Clouds (% Sky Obscured)

65
66
51
35
14
14
9
14
26
38
54
55
61
61
62
63
68
69
71
73
53
34
12
15

Low Clouds (% Sky Obscured)

19
24
30
32
14
14
9
14
26
24
19
19
23
26
26
35
36
37
33
34
24
14
4
4

Medium Clouds (% Sky Obscured)

54
58
44
30
14
12
8
4
5
6
6
4
2
0
0
0
0
0
0
0
1
2
3
5

High Clouds (% Sky Obscured)

1
1
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

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
6
11
12
7
11
11
6
11
11
5
7
5
1
3
3
2
3
3
2
3
2
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
72
73
74
75
76
76
76
76
75
74
74
69
65
61
62
59
58
60
63
66
67
68
70

Pressure (mb)

1014
1015
1015
1015
1015
1015
1015
1016
1016
1016
1017
1017
1017
1018
1018
1018
1018
1017
1018
1018
1018
1019
1019
1020

Ozone (du)

371
376
380
384
387
390
394
397
400
394
387
381
380
380
379
380
381
382
382
382
381
385
388
391

Sunday 4

Waning Gibbous 95%

19:02

09:17

20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
08 OK
09 OK
10 OK
11 OK
12 OK

Sun - Rise: 07:28, Set: 16:10, Transit: 11:49. Moon - Rise: 19:02, Set: 09:17. Civil Dark: 16:45 - 06:53. Nautical Dark: 17:23 - 06:15. Astro Dark: 18:00 - 05:38

Total Clouds (% Sky Obscured)

18
21
17
13
8
7
6
4
3
2
1
1
1
1
1
2
2

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

9
14
11
7
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

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

Precipitation Probability (%)

1
0
0
0
0
0
0
0
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

Wind Speed/Direction (mph)

9
9
9
10
10
9
9
9
9
8
8
7
7
7
7
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-24
-23
-23
-23
-24
-24
-25
-25
-26
-26
-26
-26
-27
-27
-27
-26
-25

Dew Point (°C)

-24
-25
-25
-25
-25
-26
-26
-27
-27
-27
-27
-27
-27
-26
-25
-23
-22

Relative Humidity (%)

67
68
69
68
68
68
68
67
67
67
67
66
65
64
65
66
68

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019

Ozone (du)

390
390
389
387
386
384
380
376
372
372
371
370
367
364
362
361
360

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

Generated: 29/12/25 20:02:32. Forecast: 29/12/25 to 04/01/26. Timezone: UTC-5.00