Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 20

Waxing Crescent 8%

09:53

19:08

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 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 08:31, Set: 17:16, Transit: 12:54. Moon - Rise: 09:53, Set: 19:08. Civil Dark: 17:53 - 07:54. Nautical Dark: 18:33 - 07:14. Astro Dark: 19:11 - 06:35

Total Clouds (% Sky Obscured)

67
74
80
84
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
96
88

Low Clouds (% Sky Obscured)

25
22
2
2
2
45
45
60
76
88
58
53
58
51
42
51
50
63
31
3
3
3
0
0

Medium Clouds (% Sky Obscured)

67
74
80
84
100
100
100
100
100
98
94
99
100
74
100
92
78
93
95
97
95
94
94
88

High Clouds (% Sky Obscured)

67
74
80
84
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
93
98
71
23

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 (%)

0
0
0
4
7
13
35
40
34
11
7
16
28
12
3
4
2
1
1
1
1
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)

5
5
7
8
10
10
12
14
14
15
15
15
15
15
15
15
15
15
15
15
15
14
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
82
80
80
79
78
78
79
79
76
72
72
76
78
76
78
78
75
74
73
73
73
74
74

Pressure (mb)

1013
1012
1012
1012
1011
1010
1009
1009
1008
1007
1006
1005
1005
1004
1004
1004
1003
1002
1001
1000
1000
999
998
998

Ozone (du)

386
387
389
387
387
384
383
373
363
357
352
343
338
333
331
331
333
331
330
327
328
331
335
338

Wednesday 21

Waxing Crescent 15%

10:06

20:26

19 Bad
20 Bad
21 Bad
22 Bad
23 OK
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 OK
06 OK
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: 08:30, Set: 17:18, Transit: 12:54. Moon - Rise: 10:06, Set: 20:26. Civil Dark: 17:54 - 07:53. Nautical Dark: 18:35 - 07:13. Astro Dark: 19:12 - 06:34

Total Clouds (% Sky Obscured)

85
88
82
56
37
39
52
58
72
78
35
38
66
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
2
1
0
4
16
9
8
3
5
10
10
5
5
10
10
5
5
10
58
66
69
58

Medium Clouds (% Sky Obscured)

85
88
82
56
37
39
52
58
70
70
35
38
66
79
70
72
74
86
86
65
81
100
98
86

High Clouds (% Sky Obscured)

25
25
17
13
16
25
35
50
67
75
17
26
45
97
100
100
100
100
100
100
66
16
97
96

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 (%)

0
0
0
0
0
0
0
0
0
0
1
0
1
2
11
2
0
0
2
3
6
11
16
5

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
74
72
64
59
63
65
67
70
72
73
76
79
80
80
79
81
82
78
75
78
78
79
81

Pressure (mb)

998
998
997
997
997
997
996
996
996
996
995
995
995
995
996
996
996
996
996
996
996
996
996
996

Ozone (du)

345
350
355
357
357
355
355
360
361
363
365
369
374
374
375
376
377
377
379
380
383
384
384
383

Thursday 22

Waxing Crescent 23%

10:18

21:43

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: 08:29, Set: 17:20, Transit: 12:54. Moon - Rise: 10:18, Set: 21:43. Civil Dark: 17:56 - 07:52. Nautical Dark: 18:36 - 07:12. Astro Dark: 19:13 - 06:33

Total Clouds (% Sky Obscured)

87
89
67
100
100
79
77
61
85
69
60
75
84
75
59
58
94
71
80
89
100
97
100
100

Low Clouds (% Sky Obscured)

18
39
62
58
68
38
53
59
60
50
57
74
81
71
33
22
39
57
65
74
81
65
52
47

Medium Clouds (% Sky Obscured)

80
89
56
71
74
60
55
2
24
36
3
20
59
75
59
58
87
71
80
89
50
79
47
100

High Clouds (% Sky Obscured)

54
20
6
10
17
79
55
2
16
19
24
35
35
20
20
10
80
13
42
71
99
91
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 (%)

4
20
6
15
1
0
0
0
1
1
0
0
0
0
0
0
0
2
7
10
15
3
1
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
9
9
9
9
9
10
11
10
10
11
12
12
14
15
12
12
12
11
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
85
85
88
88
88
93
93
93
91
91
88
86
82
80
76
77
77
81
79
82
84
82
90

Pressure (mb)

996
996
996
996
995
995
995
995
995
995
995
994
994
994
994
994
994
994
994
994
994
994
994
995

Ozone (du)

385
386
383
385
385
384
373
367
367
367
368
368
367
366
367
369
373
374
376
375
376
379
380
381

Friday 23

Waxing Crescent 33%

10:31

23:02

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 OK
17 OK
18 OK

Sun - Rise: 08:27, Set: 17:21, Transit: 12:54. Moon - Rise: 10:31, Set: 23:02. Civil Dark: 17:58 - 07:51. Nautical Dark: 18:38 - 07:11. Astro Dark: 19:15 - 06:33

Total Clouds (% Sky Obscured)

95
90
85
76
69
66
70
73
79
86
93
100
100
100
100
100
100
72
70
65
57
42
33
25

Low Clouds (% Sky Obscured)

54
64
72
58
45
31
23
14
5
16
27
37
40
45
51
46
42
40
40
37
35
28
26
22

Medium Clouds (% Sky Obscured)

89
90
85
48
69
66
70
66
79
86
93
100
100
100
100
100
100
57
60
65
57
42
20
1

High Clouds (% Sky Obscured)

82
49
26
35
29
36
22
11
4
16
27
38
26
13
0
33
67
72
70
65
57
42
28
1

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 (%)

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
4
4
3
3
3
3
2
2
2
2
2
2
2
2
1
1
1
1
1
0
2
1
1

Relative Humidity (%)

90
90
88
86
88
85
86
88
88
86
88
88
89
89
88
82
75
69
63
61
60
66
71
76

Pressure (mb)

995
995
996
996
996
997
997
997
997
998
998
998
998
998
999
999
999
999
999
999
999
999
999
999

Ozone (du)

382
383
383
383
386
387
389
388
389
390
391
392
393
394
395
399
401
405
408
409
411
411
413
414

Saturday 24

Waxing Crescent 45%

10:46

00:23

19 OK
20 OK
21 OK
22 OK
23 OK
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: 08:26, Set: 17:23, Transit: 12:55. Moon - Rise: 10:46, Set: 00:23. Civil Dark: 17:59 - 07:50. Nautical Dark: 18:39 - 07:10. Astro Dark: 19:16 - 06:32

Total Clouds (% Sky Obscured)

29
23
22
33
44
73
84
59
83
100
99
100
59
53
47
57
65
74
79
86
93
96
98
100

Low Clouds (% Sky Obscured)

24
22
21
28
37
44
50
59
70
71
71
76
3
3
2
3
3
3
6
7
7
10
15
20

Medium Clouds (% Sky Obscured)

1
1
1
0
0
0
0
0
0
0
0
2
0
1
3
18
20
23
30
32
38
51
72
92

High Clouds (% Sky Obscured)

0
0
0
0
0
0
4
0
3
31
56
82
5
11
16
44
65
74
79
86
93
96
98
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 (%)

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

Chance of Frost

Temperature (°C)

4
3
3
2
2
2
1
1
1
1
1
0
0
1
1
2
3
4
5
5
5
4
3
2

Feels Like (°C)

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

Dew Point (°C)

1
0
0
0
-0
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
0
0
1
1
1
1
1
-0

Relative Humidity (%)

82
83
85
86
86
86
88
89
88
88
89
89
91
89
88
86
83
79
75
75
76
77
82
85

Pressure (mb)

1000
1000
1000
1000
1000
1001
1001
1001
1001
1001
1001
1001
1001
1000
1000
1001
1000
1000
1000
1000
1000
1000
1001
1001

Ozone (du)

415
417
418
420
423
422
423
425
426
428
428
426
427
429
430
432
432
431
430
431
432
433
433
432

Sunday 25

Waxing Crescent 56%

11:04

01:47

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: 08:25, Set: 17:25, Transit: 12:55. Moon - Rise: 11:04, Set: 01:47. Civil Dark: 18:01 - 07:49. Nautical Dark: 18:41 - 07:09. Astro Dark: 19:18 - 06:31

Total Clouds (% Sky Obscured)

99
98
98
98
96
95
92
89
87
75
66
56
54
69
68
68
68
67
72
81
80
82
88
92

Low Clouds (% Sky Obscured)

23
23
22
24
19
14
16
22
24
28
38
38
43
48
52
57
57
52
52
56
56
69
74
91

Medium Clouds (% Sky Obscured)

91
90
89
87
85
83
78
72
65
45
25
5
6
6
11
10
19
23
22
21
20
27
32
39

High Clouds (% Sky Obscured)

71
40
9
39
70
95
92
89
87
75
66
56
54
43
27
18
7
0
0
0
0
4
9
13

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 (%)

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

6
6
6
6
6
6
7
7
6
7
7
7
7
7
7
6
6
7
7
7
7
6
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
84
83
80
80
80
78
79
83
84
84
84
82
79
78
74
67
62
57
58
59
60
68
77

Pressure (mb)

1001
1001
1002
1002
1002
1002
1003
1003
1003
1003
1003
1003
1003
1003
1003
1004
1003
1003
1002
1002
1001
1001
1000
1000

Ozone (du)

432
431
430
429
428
426
425
422
420
418
415
413
411
407
404
400
395
390
385
386
388
389
389
390

Monday 26

First Quarter 56%

11:28

03:14

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 OK
10 Bad
11 Bad
12 Bad

Sun - Rise: 08:24, Set: 17:26, Transit: 12:55. Moon - Rise: 11:28, Set: 03:14. Civil Dark: 18:02 - 07:48. Nautical Dark: 18:42 - 07:08. Astro Dark: 19:19 - 06:30

Total Clouds (% Sky Obscured)

94
96
97
98
98
98
95
93
90
92
90
86
69
46
26
46
71
97

Low Clouds (% Sky Obscured)

93
90
87
81
80
74
79
84
89
90
90
86
69
46
26
46
46
43

Medium Clouds (% Sky Obscured)

57
77
94
94
94
93
79
60
45
55
64
60
40
21
1
28
54
76

High Clouds (% Sky Obscured)

22
31
40
40
55
60
85
85
90
88
77
65
37
15
0
17
27
30

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
6
3
0
3
6
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
Very Light Rain
Light Rain
Sleet
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
2
1
6
13
18
56
74
86
71
51
17
14
10
1
1
1
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.4
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
83
80
78
77
78
78
84
89
96
92
91
88
84
83
81
80
77

Pressure (mb)

999
999
998
997
997
996
995
994
994
994
994
994
994
995
995
996
996
996

Ozone (du)

391
398
404
411
415
419
423
420
417
414
422
429
437
434
432
429
428
426

Forecast for Faubourg Sainte-Anne, Walloon Brabant Province, Kingdom of Belgium (50.60,4.32)

Generated: 20/01/26 19:48:41. Forecast: 20/01/26 to 26/01/26. Timezone: UTC+1.00