Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 24

Waxing Crescent 33%

10:31

00:22

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

Sun - Rise: 08:26, Set: 17:22, Transit: 12:54. Moon - Rise: 10:31, Set: 00:22. Civil Dark: 17:58 - 07:50. Nautical Dark: 18:37 - 07:10. Astro Dark: 19:16 - 06:32

Total Clouds (% Sky Obscured)

87
90
92
53
25
23
20
18
23
23
17
2
46
29
80
100
100
100
100
100
100
87
85
74

Low Clouds (% Sky Obscured)

68
70
58
19
8
19
19
15
19
21
12
0
0
0
0
0
0
0
0
0
0
13
29
29

Medium Clouds (% Sky Obscured)

87
90
92
40
12
3
0
1
0
0
2
0
15
1
40
25
38
100
100
100
100
68
48
17

High Clouds (% Sky Obscured)

5
15
9
12
7
0
0
0
1
0
4
1
45
26
60
100
100
100
100
100
67
67
50
53

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
86
86
89
89
89
89
89
85
79
72
67
66
67
73
79
80
83
86
85
85
86
86

Pressure (mb)

997
998
998
998
998
998
999
1000
1000
1001
1001
1001
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000

Ozone (du)

373
373
376
380
382
385
386
389
391
393
396
399
401
404
408
410
412
415
414
414
414
415
415
415

Sunday 25

Waxing Crescent 45%

10:46

No Set

01 Bad
02 Bad
03 Bad
04 Good
05 Good
06 Good
07 Good
08 Bad
09 OK
10 Good
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: 08:25, Set: 17:23, Transit: 12:54. Moon - Rise: 10:46, Set: No Set. Civil Dark: 17:59 - 07:49. Nautical Dark: 18:39 - 07:09. Astro Dark: 19:17 - 06:31

Total Clouds (% Sky Obscured)

79
77
86
8
2
4
5
42
27
18
89
100
100
100
100
100
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

6
0
0
1
1
0
1
14
2
8
5
5
32
44
54
55
52
48
44
42
37
32
47
63

Medium Clouds (% Sky Obscured)

34
60
60
0
0
0
0
20
27
18
87
70
36
40
100
100
98
87
100
96
82
100
100
100

High Clouds (% Sky Obscured)

72
72
79
7
1
2
3
10
10
10
84
100
100
100
100
100
77
94
100
100
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
84
84
84
88
88
89
89
88
83
79
78
76
74
74
76
80
83
86
85
85
86
86
84

Pressure (mb)

1000
1000
1000
999
999
998
998
998
998
998
998
998
997
996
996
996
996
996
996
997
997
997
997
997

Ozone (du)

413
415
415
415
416
421
419
420
418
419
420
420
419
417
414
412
412
413
415
418
420
421
422
425

Monday 26

First Quarter 56%

11:04

01:46

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 08:24, Set: 17:25, Transit: 12:54. Moon - Rise: 11:04, Set: 01:46. Civil Dark: 18:01 - 07:48. Nautical Dark: 18:40 - 07:08. Astro Dark: 19:19 - 06:30

Total Clouds (% Sky Obscured)

99
99
99
99
99
100
100
100
100
100
100
97
100
90
80
85
97
93
99
99
96
100
100
100

Low Clouds (% Sky Obscured)

75
83
77
96
95
97
95
93
87
91
91
91
91
86
80
85
95
91
95
93
83
73
65
62

Medium Clouds (% Sky Obscured)

93
85
98
96
96
100
84
67
55
55
43
56
29
25
11
4
4
4
5
6
8
10
37
100

High Clouds (% Sky Obscured)

81
89
22
22
13
10
20
15
15
25
25
21
25
5
4
0
9
90
85
85
90
100
100
97

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
1
1
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 (%)

13
27
42
33
8
1
0
0
0
0
0
0
1
1
1
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
83
84
86
88
86
83
80
80
75
71
69
65
64
64
65
73
77
77
74
76
83
88
89

Pressure (mb)

998
998
998
998
999
999
999
1000
1001
1001
1001
1002
1002
1001
1001
1002
1002
1002
1002
1002
1002
1002
1002
1002

Ozone (du)

428
430
431
432
431
427
424
424
425
427
426
428
432
438
439
432
428
426
423
422
426
429
437
433

Tuesday 27

Waxing Gibbous 68%

11:29

03:13

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 08:22, Set: 17:27, Transit: 12:55. Moon - Rise: 11:29, Set: 03:13. Civil Dark: 18:02 - 07:47. Nautical Dark: 18:42 - 07:07. Astro Dark: 19:20 - 06:29

Total Clouds (% Sky Obscured)

98
98
97
80
64
50
66
84
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

63
62
61
48
32
16
31
45
59
40
22
6
30
54
78
81
84
86
91
95
100
97
94
92

Medium Clouds (% Sky Obscured)

58
96
95
80
64
50
66
77
91
62
61
66
91
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

86
76
69
51
40
25
32
64
96
98
100
100
100
100
100
100
100
100
100
100
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
6
7
3
9
5
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

0
0
0
6
24
11
15
29
26
6
3
4
26
37
46
54
86
95
95
84
76
61
23
18

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.9
0.9
0.4
0.5
0.3
0
0

Wind Speed/Direction (mph)

6
6
7
8
8
9
9
9
11
12
12
14
14
14
15
15
15
15
17
16
17
16
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
91
91
91
88
88
86
84
86
80
75
66
62
61
60
58
56
70
80
86
88
89
93
91

Pressure (mb)

1002
1001
1001
1000
999
998
998
997
996
996
994
994
992
991
990
989
988
988
987
988
988
988
988
988

Ozone (du)

418
406
397
390
387
388
388
384
381
376
375
374
370
367
364
363
362
361
362
363
363
364
367
367

Wednesday 28

Waxing Gibbous 79%

12:05

04:40

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 08:21, Set: 17:28, Transit: 12:55. Moon - Rise: 12:05, Set: 04:40. Civil Dark: 18:04 - 07:46. Nautical Dark: 18:43 - 07:06. Astro Dark: 19:22 - 06:28

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
97
96
93
91
88
84
84
80
81
82
81
87
93
100
100
100
100

Low Clouds (% Sky Obscured)

85
65
56
60
65
53
72
79
86
66
66
53
54
54
54
46
39
29
26
21
20
23
28
29

Medium Clouds (% Sky Obscured)

100
100
100
100
99
99
91
77
69
72
71
68
61
58
55
55
55
55
73
90
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
79
60
40
28
17
5
5
0
0
5
5
5
8
20
32
36
37
51

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 (%)

9
5
2
7
9
3
11
7
2
1
1
0
1
1
0
3
2
0
1
0
0
2
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
4
4
4
4
4
4
3
3
3
2
3
3
3
3
3
3
3
3
2
2
2
2
2

Relative Humidity (%)

89
91
93
93
91
94
93
89
86
85
80
79
78
78
79
79
82
83
88
88
88
89
89
91

Pressure (mb)

988
989
989
990
990
990
991
991
992
992
992
992
992
992
992
992
993
993
994
994
994
995
995
995

Ozone (du)

370
374
373
380
391
402
416
421
423
425
422
427
436
443
450
457
463
470
476
477
478
479
481
483

Thursday 29

Waxing Gibbous 88%

12:56

05:59

01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 OK
07 OK
08 OK
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: 08:20, Set: 17:30, Transit: 12:55. Moon - Rise: 12:56, Set: 05:59. Civil Dark: 18:05 - 07:44. Nautical Dark: 18:45 - 07:05. Astro Dark: 19:23 - 06:27

Total Clouds (% Sky Obscured)

99
98
97
75
47
23
30
37
47
53
60
66
75
86
87
90
93
91
93
95
97
98
99
100

Low Clouds (% Sky Obscured)

27
28
27
18
12
1
2
2
2
3
3
3
13
22
31
32
30
43
45
49
46
59
69
75

Medium Clouds (% Sky Obscured)

99
98
97
75
47
23
30
21
10
8
9
11
15
10
9
15
21
26
45
64
83
89
94
100

High Clouds (% Sky Obscured)

48
43
49
40
20
1
2
4
9
10
6
0
0
0
0
33
67
91
81
63
46
32
16
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
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
Very Light Rain

Precipitation Probability (%)

5
7
7
7
5
1
0
0
0
0
0
0
2
2
0
14
20
20
11
8
1
33
52
67

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
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
2
2
1
1
1
1
1
1
1
2
2
3
3
3
2
2
2
2
1
1
1
2

Relative Humidity (%)

91
91
91
91
91
93
93
91
89
88
82
78
74
74
74
74
76
79
82
80
80
79
80
82

Pressure (mb)

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

Ozone (du)

484
486
488
489
486
483
480
462
443
425
407
389
372
372
373
374
373
372
371
372
372
373
373
374

Friday 30

Waxing Gibbous 95%

14:07

07:04

Sun - Rise: 08:18, Set: 17:32, Transit: 12:55. Moon - Rise: 14:07, Set: 07:04. Civil Dark: 18:07 - 07:43. Nautical Dark: 18:46 - 07:04. Astro Dark: 19:25 - 06:26

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Charleroi, Hainaut Province, Kingdom of Belgium (50.41,4.44)

Generated: 24/01/26 01:31:27. Forecast: 24/01/26 to 30/01/26. Timezone: UTC+1.00