Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 30

Waxing Gibbous 84%

13:12

04:40

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:34, Set: 16:17, Transit: 11:55. Moon - Rise: 13:12, Set: 04:40. Civil Dark: 16:51 - 07:00. Nautical Dark: 17:28 - 06:22. Astro Dark: 18:05 - 05:45

Total Clouds (% Sky Obscured)

100
98
99
98
98
99
97
96
95
99
99
99
99
97
98
95
93
95
96
56
45
43
87
85

Low Clouds (% Sky Obscured)

89
81
87
79
77
73
50
41
55
74
76
75
65
74
77
77
78
69
75
40
30
33
4
12

Medium Clouds (% Sky Obscured)

88
92
93
94
93
95
95
89
85
96
95
97
98
91
94
74
79
87
92
56
45
43
85
85

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
3
3
38
69
32
35
40
7
3
2
10
5
20
37
77
58

ISS Passover

Visibility (miles)

9
9
9
9
3
1
6
9
9
9
9
9
3
1
8
9
9
9
9
8
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 (%)

0
0
8
10
23
11
7
8
4
4
4
8
4
13
1
0
0
2
2
2
1
1
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)

15
15
14
16
16
15
15
15
14
13
12
13
13
14
14
14
14
15
16
16
15
14
13
11

Chance of Frost

Temperature (°C)

-14
-14
-14
-14
-15
-15
-15
-15
-15
-15
-15
-14
-14
-14
-14
-14
-14
-13
-13
-12
-12
-11
-11
-11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
68
67
69
70
72
69
68
67
69
73
73
77
81
79
77
78
78
78
78
76
78
76
76

Pressure (mb)

995
995
996
996
996
997
997
997
997
998
998
998
998
999
999
1000
1000
1001
1001
1000
1000
1001
1001
1001

Ozone (du)

454
454
450
449
452
449
447
449
443
428
428
418
414
413
411
404
401
408
419
422
418
417
419
421

Wednesday 31

Waxing Gibbous 92%

14:03

06:03

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
06 OK
07 OK
08 OK
09 Good
10 Good
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:34, Set: 16:18, Transit: 11:56. Moon - Rise: 14:03, Set: 06:03. Civil Dark: 16:52 - 07:00. Nautical Dark: 17:29 - 06:22. Astro Dark: 18:06 - 05:46

Total Clouds (% Sky Obscured)

89
92
97
99
100
100
100
100
98
100
100
99
91
40
38
10
5
5
55
67
78
50
45
45

Low Clouds (% Sky Obscured)

15
30
54
38
50
36
63
76
77
79
89
82
60
18
25
6
3
3
44
52
68
27
20
17

Medium Clouds (% Sky Obscured)

89
90
95
99
100
100
100
100
92
99
100
95
86
13
1
1
0
0
1
1
1
1
11
16

High Clouds (% Sky Obscured)

22
30
20
6
65
57
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
9
5
6

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
3
5
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 (%)

0
0
0
0
0
2
5
10
8
11
9
10
9
4
1
0
0
0
0
0
0
0
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)

8
7
6
5
4
3
2
1
2
4
4
5
5
5
5
4
4
4
5
7
9
10
11
11

Chance of Frost

Temperature (°C)

-12
-12
-12
-12
-12
-12
-12
-12
-13
-13
-13
-13
-13
-14
-15
-15
-15
-14
-13
-13
-13
-13
-14
-14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
78
79
83
83
85
85
86
86
84
84
84
84
84
84
83
80
76
74
76
74
71
73
76

Pressure (mb)

1002
1002
1002
1002
1002
1002
1002
1001
1001
1002
1002
1002
1003
1003
1004
1005
1006
1007
1007
1006
1006
1007
1007
1007

Ozone (du)

425
429
423
420
421
421
427
419
420
415
413
411
400
398
390
373
363
354
348
342
340
337
338
338

Thursday 1

Waxing Gibbous 98%

15:09

07:15

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

Sun - Rise: 07:34, Set: 16:19, Transit: 11:56. Moon - Rise: 15:09, Set: 07:15. Civil Dark: 16:53 - 07:00. Nautical Dark: 17:30 - 06:22. Astro Dark: 18:06 - 05:46

Total Clouds (% Sky Obscured)

34
45
40
31
10
8
6
21
81
51
3
1
1
43
72
91
81
84
40
45
60
74
90
93

Low Clouds (% Sky Obscured)

12
6
2
2
2
2
2
1
1
1
1
1
1
10
48
47
34
32
40
40
56
74
89
91

Medium Clouds (% Sky Obscured)

3
14
15
14
2
2
1
21
81
51
3
0
0
21
28
75
66
84
40
0
0
0
0
18

High Clouds (% Sky Obscured)

5
4
4
4
4
0
1
1
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
9
9
9
8
3
1
1

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
7
25
25
25
25
25
25
25
25
25
25

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
0
0
0
0
0
0
0
0
0
1
2
1
1
0
2
9
13
23
13

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)

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

Chance of Frost

Temperature (°C)

-15
-16
-16
-16
-17
-18
-18
-19
-19
-19
-19
-20
-20
-20
-21
-20
-18
-16
-15
-13
-12
-12
-11
-11

Feels Like (°C)

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

Dew Point (°C)

-18
-18
-18
-19
-19
-20
-21
-22
-22
-22
-22
-23
-23
-23
-24
-23
-21
-20
-18
-16
-15
-15
-14
-13

Relative Humidity (%)

79
79
81
81
82
80
78
77
76
76
76
76
73
74
72
75
73
73
75
76
78
78
83
88

Pressure (mb)

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

Ozone (du)

338
340
340
340
340
338
345
347
351
353
355
356
353
351
364
376
376
362
355
358
362
366
366
372

Friday 2

Waxing Gibbous 100%

16:28

08:11

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:34, Set: 16:20, Transit: 11:57. Moon - Rise: 16:28, Set: 08:11. Civil Dark: 16:54 - 07:00. Nautical Dark: 17:31 - 06:22. Astro Dark: 18:07 - 05:46

Total Clouds (% Sky Obscured)

94
96
96
97
95
88
83
75
65
54
44
65
76
83
76
84
89
91
93
96
92
88
86
83

Low Clouds (% Sky Obscured)

92
93
78
64
41
52
64
71
54
36
20
56
71
80
70
82
89
91
93
96
92
88
86
83

Medium Clouds (% Sky Obscured)

32
44
69
88
93
80
40
31
30
27
20
23
26
36
38
39
43
66
66
61
42
21
0
0

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

2
4
1
1
3
9
9
9
9
9
9
9
9
9
9
9
9
2
0
2
9
9
9
9

Fog (%)

25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25

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 (%)

10
12
14
14
7
8
8
1
1
0
0
0
0
0
1
1
2
18
12
11
9
9
8
7

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-16
-16
-17
-18
-18
-18
-20
-20
-22
-23
-23
-23
-24
-24
-24
-24
-24
-24
-23
-23
-22
-22
-22
-22

Dew Point (°C)

-13
-14
-15
-15
-15
-16
-17
-18
-20
-21
-22
-22
-22
-23
-23
-23
-23
-23
-21
-22
-22
-22
-21
-20

Relative Humidity (%)

90
88
88
88
86
88
84
76
70
70
72
72
71
69
70
71
66
66
71
66
63
62
68
70

Pressure (mb)

1004
1004
1004
1004
1004
1005
1005
1006
1006
1007
1008
1008
1009
1009
1010
1010
1011
1012
1012
1011
1011
1012
1012
1012

Ozone (du)

374
386
393
396
412
417
408
408
405
407
388
392
391
399
400
398
395
394
390
378
366
364
370
377

Saturday 3

Full Moon 99%

No Rise

08:53

17 Bad
18 Bad
19 Bad
20 OK
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 OK

Sun - Rise: 07:34, Set: 16:21, Transit: 11:57. Moon - Rise: No Rise, Set: 08:53. Civil Dark: 16:55 - 07:00. Nautical Dark: 17:32 - 06:22. Astro Dark: 18:08 - 05:46

Total Clouds (% Sky Obscured)

77
36
29
16
4
18
30
37
34
34
28
95
99
99
94
90
87
81
76
70
66
45
44
35

Low Clouds (% Sky Obscured)

77
34
29
16
2
18
30
37
34
34
28
26
27
64
66
75
82
81
76
70
66
45
44
35

Medium Clouds (% Sky Obscured)

0
0
0
0
0
1
1
2
13
19
25
82
86
87
76
62
45
30
33
35
33
27
23
14

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
9
9
9
9
9
9
9
9
9
9
6
3
1
1
2
3
5
6
8

Fog (%)

25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25

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
1
0
0
0
0
0
0
3
4
5
9
11
13
20
20
20
19
17
12
13
12
12
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
7
6
6
5
5
5
4
4
3
3
4
4
4
4
4
5
5
5
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
70
73
75
75
76
75
76
72
72
72
72
73
74
73
74
76
75
74
73
73
74
77
79

Pressure (mb)

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

Ozone (du)

387
394
398
398
399
403
403
402
399
392
391
394
395
394
391
388
384
381
378
374
370
368
366
363

Sunday 4

Waning Gibbous 95%

17:52

09:23

17 Bad
18 OK
19 OK
20 OK
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

Sun - Rise: 07:33, Set: 16:22, Transit: 11:58. Moon - Rise: 17:52, Set: 09:23. Civil Dark: 16:56 - 06:59. Nautical Dark: 17:33 - 06:22. Astro Dark: 18:09 - 05:46

Total Clouds (% Sky Obscured)

27
19
22
23
26
43
51
51
63
80
97
89
82
78
76
66
54
53
51
68
78
89
100
82

Low Clouds (% Sky Obscured)

27
19
22
23
26
21
12
7
12
18
20
30
40
37
39
45
52
53
51
68
78
85
87
82

Medium Clouds (% Sky Obscured)

7
0
1
2
3
8
13
19
46
71
95
79
57
28
23
5
5
0
0
0
0
0
0
3

High Clouds (% Sky Obscured)

0
0
2
3
5
9
14
21
18
10
0
0
0
0
0
0
1
1
0
0
5
3
0
0

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25

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 (%)

10
2
4
5
4
7
7
5
12
10
3
3
1
0
13
19
25
26
27
27
25
22
18
16

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
81
82
83
83
84
83
83
82
81
81
82
81
79
77
76
74
72
70
67
63
68
73
79

Pressure (mb)

1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1021
1021
1021
1021
1020
1020
1020
1020
1020

Ozone (du)

361
358
355
355
355
355
355
355
354
355
355
356
351
346
341
342
342
343
345
348
350
351
352
353

Monday 5

Waning Gibbous 89%

19:13

09:46

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 07:33, Set: 16:23, Transit: 11:58. Moon - Rise: 19:13, Set: 09:46. Civil Dark: 16:57 - 06:59. Nautical Dark: 17:34 - 06:22. Astro Dark: 18:10 - 05:46

Total Clouds (% Sky Obscured)

63
45
47
54
58
55
50
48
45
46
47
60
69
85
81
76
74
77
80
84

Low Clouds (% Sky Obscured)

63
45
47
54
58
55
50
48
45
46
47
60
69
74
72
69
63
69
75
82

Medium Clouds (% Sky Obscured)

6
9
12
19
30
42
50
37
35
33
31
47
61
78
74
69
61
51
43
37

High Clouds (% Sky Obscured)

5
10
19
33
42
37
29
26
29
31
47
60
69
85
67
33
0
2
7
11

ISS Passover

Visibility (miles)

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

Fog (%)

25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25

Precipitation Type

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

Precipitation Probability (%)

14
11
25
38
49
68
82
95
95
95
95
95
95
95
95
95
94
82
68
46

Precipitation Amount (mm)

0
0
0
0.1
0.2
0.3
0.5
0.6
0.8
0.9
0.9
0.9
0.9
0.9
0.9
0.8
0.6
0.5
0.3
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
80
81
81
82
83
82
81
82
82
82
83
84
84
84
84
83
81
79
80

Pressure (mb)

1020
1020
1020
1019
1019
1018
1018
1017
1016
1016
1015
1014
1014
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

355
356
358
358
359
359
359
358
358
358
358
359
358
358
358
359
361
362
362
362

Forecast for Sorel-Tracy, Montérégie, Canada (46.04,-73.11)

Generated: 30/12/25 17:02:09. Forecast: 30/12/25 to 05/01/26. Timezone: UTC-5.00