Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 24

Waxing Crescent 16%

12:48

19:39

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:15, Set: 16:45, Transit: 12:29. Moon - Rise: 12:48, Set: 19:39. Civil Dark: 17:22 - 07:37. Nautical Dark: 18:03 - 06:56. Astro Dark: 18:42 - 06:17

Total Clouds (% Sky Obscured)

94
96
97
100
100
100
100
98
96
96
90
67
79
78
91
93
95
86
100
90
93
90
85
94

Low Clouds (% Sky Obscured)

34
92
86
97
93
86
100
96
81
91
82
67
55
64
67
87
90
77
100
78
77
84
75
61

Medium Clouds (% Sky Obscured)

94
96
92
100
96
100
59
72
88
54
60
15
36
20
38
38
30
14
25
30
39
32
30
65

High Clouds (% Sky Obscured)

13
50
97
100
99
15
5
9
5
0
4
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
9
7
6
5
8
8
7
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
7
23
22
18
1
2
1

Precipitation Type

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

Precipitation Probability (%)

35
74
93
95
69
54
47
40
27
15
9
7
4
7
8
17
25
23
17
37
37
41
27
26

Precipitation Amount (mm)

0
0.2
0.6
0.7
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
84
91
90
91
91
94
94
96
94
94
90
91
94
94
96
96
96
96
90
88
81
69
65

Pressure (mb)

993
993
993
993
993
994
994
995
996
996
997
998
998
999
1000
1000
1001
1002
1004
1005
1006
1007
1007
1008

Ozone (du)

303
303
305
309
313
314
313
313
312
314
319
322
322
316
313
310
308
308
308
308
309
308
309
311

Tuesday 25

Waxing Crescent 25%

13:09

20:54

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:16, Set: 16:44, Transit: 12:30. Moon - Rise: 13:09, Set: 20:54. Civil Dark: 17:21 - 07:39. Nautical Dark: 18:02 - 06:57. Astro Dark: 18:42 - 06:18

Total Clouds (% Sky Obscured)

88
97
89
100
90
94
60
62
74
89
71
76
77
74
75
70
78
84
77
68
68
65
55
55

Low Clouds (% Sky Obscured)

74
82
79
89
85
76
60
62
71
88
71
76
76
74
75
70
78
84
77
68
68
65
55
54

Medium Clouds (% Sky Obscured)

33
36
34
45
30
20
0
0
0
58
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
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
5
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 (%)

17
28
30
30
32
11
12
16
25
26
15
5
2
1
2
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)

12
9
8
7
6
6
6
6
6
9
9
9
10
11
8
6
6
5
4
3
3
2
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
65
74
76
79
79
80
80
79
83
89
89
94
89
89
91
94
94
94
88
80
74
69
67

Pressure (mb)

1008
1009
1010
1011
1012
1013
1013
1014
1014
1014
1015
1015
1016
1017
1017
1018
1019
1019
1020
1021
1021
1021
1021
1021

Ozone (du)

309
303
303
307
311
313
309
306
308
309
309
311
312
307
301
298
296
294
298
299
298
297
297
296

Wednesday 26

Waxing Crescent 34%

13:25

22:11

15 Bad
16 OK
17 OK
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
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

Sun - Rise: 08:18, Set: 16:43, Transit: 12:30. Moon - Rise: 13:25, Set: 22:11. Civil Dark: 17:21 - 07:40. Nautical Dark: 18:02 - 06:59. Astro Dark: 18:41 - 06:19

Total Clouds (% Sky Obscured)

53
48
44
78
54
70
92
54
48
70
91
77
77
94
100
87
97
93
100
99
80
80
87
97

Low Clouds (% Sky Obscured)

52
45
42
40
45
50
38
44
42
39
28
23
24
30
56
48
56
68
82
85
80
77
67
62

Medium Clouds (% Sky Obscured)

0
0
2
2
5
20
13
18
19
32
22
21
18
20
25
25
25
21
25
44
27
23
19
22

High Clouds (% Sky Obscured)

0
0
0
52
6
15
92
16
4
5
30
20
19
16
100
8
40
68
99
90
69
58
59
69

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
1
6
7
9
9
9
7
5
6
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
4
4
4
5
5
6
6
6
6
7
7
8
8
9
9
10
12
12
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
74
79
82
85
85
86
86
86
88
88
88
88
88
88
89
88
86
85
79
72
67
64
66

Pressure (mb)

1021
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021

Ozone (du)

296
296
297
298
298
296
294
295
297
297
295
293
292
290
289
287
285
283
282
280
279
278
276
275

Thursday 27

Waxing Crescent 44%

13:39

23:29

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:19, Set: 16:42, Transit: 12:30. Moon - Rise: 13:39, Set: 23:29. Civil Dark: 17:20 - 07:41. Nautical Dark: 18:01 - 07:00. Astro Dark: 18:41 - 06:20

Total Clouds (% Sky Obscured)

96
93
94
85
82
88
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

51
65
73
84
82
88
95
90
86
83
84
88
93
93
98
100
95
91
88
92
96
99
99
98

Medium Clouds (% Sky Obscured)

28
35
72
57
41
27
28
71
49
44
90
87
85
97
97
96
95
96
96
95
94
63
46
43

High Clouds (% Sky Obscured)

69
55
40
27
33
38
42
61
81
100
100
100
100
76
54
31
40
50
59
49
40
30
42
52

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
7
9
9
8
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
None
None
None
None
Light Rain
Light Rain
Light Rain
None
Very Light Rain
Light Rain
None
None
None
None

Precipitation Probability (%)

3
4
5
6
13
18
23
27
32
33
33
29
19
32
69
89
75
58
62
69
50
27
15
13

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.8
0.4
0
0.2
0.4
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
6
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
5
5
5
5
5
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
70
72
73
75
75
75
74
72
71
72
74
75
75
76
82
88
88
90
90
91
91
91
90

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1019
1019
1019
1019
1019
1018
1018
1019
1019
1018
1018
1018
1017

Ozone (du)

274
273
271
271
269
268
268
268
267
265
265
264
265
264
264
264
263
262
264
265
266
269
271
272

Friday 28

First Quarter 55%

13:52

00:48

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:21, Set: 16:41, Transit: 12:31. Moon - Rise: 13:52, Set: 00:48. Civil Dark: 17:19 - 07:43. Nautical Dark: 18:01 - 07:01. Astro Dark: 18:40 - 06:22

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
95
83
100
96
92
88
85
84
79
76
72
70
70
71
75
82
91

Low Clouds (% Sky Obscured)

98
97
93
82
77
81
79
72
63
60
58
56
53
52
56
57
52
49
44
49
57
66
65
65

Medium Clouds (% Sky Obscured)

66
100
100
100
97
93
86
67
57
62
66
66
60
49
27
23
11
3
0
11
21
32
38
43

High Clouds (% Sky Obscured)

64
76
88
100
100
100
99
95
83
100
96
92
88
85
83
75
50
25
3
3
1
2
4
5

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

Precipitation Probability (%)

14
20
30
39
48
49
44
37
31
25
19
7
5
6
3
0
0
0
0
0
0
0
3
5

Precipitation Amount (mm)

0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
9
9
9
9
8
8
8
8
8
8
8
8
8
8
9
9
9
9
9
10
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
4
5
5
5
5
5
5
4
4
4
4
4
4
4
4
4
4
4
4
5
6
6
6

Relative Humidity (%)

91
91
93
93
94
94
94
94
94
94
96
94
94
94
94
94
94
94
93
91
90
88
85
87

Pressure (mb)

1017
1017
1017
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1013
1013
1013
1013
1013
1012
1012
1012
1011
1011
1010

Ozone (du)

272
271
270
270
270
272
273
274
276
279
280
282
283
285
286
287
288
290
292
294
296
298
301
301

Saturday 29

Waxing Gibbous 66%

14:05

02:09

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:22, Set: 16:41, Transit: 12:31. Moon - Rise: 14:05, Set: 02:09. Civil Dark: 17:19 - 07:44. Nautical Dark: 18:00 - 07:02. Astro Dark: 18:40 - 06:23

Total Clouds (% Sky Obscured)

97
98
99
100
95
91
89
76
63
47
53
60
69
75
79
83
79
74
70
70
70
71
64
60

Low Clouds (% Sky Obscured)

64
61
60
57
55
52
51
47
34
15
14
16
26
23
21
25
29
37
40
48
45
44
38
36

Medium Clouds (% Sky Obscured)

50
44
37
30
34
37
40
30
25
10
10
10
10
9
8
8
5
6
9
17
25
30
33
33

High Clouds (% Sky Obscured)

16
48
61
60
46
38
45
75
63
47
53
60
69
68
40
11
20
31
40
30
16
5
13
31

ISS Passover

Visibility (miles)

9
9
8
6
4
6
8
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
Very Light Rain
Very Light Rain
None
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

2
14
28
43
52
51
45
34
30
3
8
13
13
49
51
22
40
34
2
5
5
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
91
93
93
93
93
91
91
91
91
91
93
93
93
93
94
93
93
89
88
85
81
84

Pressure (mb)

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

Ozone (du)

302
302
304
306
308
313
318
323
323
323
324
325
326
327
330
334
337
340
343
346
345
343
342
342

Sunday 30

Waxing Gibbous 77%

14:19

03:33

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
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:23, Set: 16:40, Transit: 12:31. Moon - Rise: 14:19, Set: 03:33. Civil Dark: 17:18 - 07:45. Nautical Dark: 18:00 - 07:04. Astro Dark: 18:39 - 06:24

Total Clouds (% Sky Obscured)

54
52
51
51
53
55
58
69
81
96
97
97
98
97
96
96

Low Clouds (% Sky Obscured)

31
37
44
50
53
53
52
65
81
96
96
96
97
86
76
68

Medium Clouds (% Sky Obscured)

35
23
11
0
0
0
0
0
0
0
0
0
0
15
34
51

High Clouds (% Sky Obscured)

30
25
17
0
0
0
0
1
2
2
29
56
84
89
95
96

ISS Passover

Visibility (miles)

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

Precipitation Type

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
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

Wind Speed/Direction (mph)

5
4
4
4
4
4
4
4
4
5
5
5
5
5
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
91
91
94
93
94
94
93
93
91
91
91
91
91
91

Pressure (mb)

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

Ozone (du)

343
344
341
338
335
332
330
327
325
322
320
317
314
310
308
305

Forecast for Brussels, Bruxelles-Capitale, Kingdom of Belgium (50.85,4.35)

Generated: 24/11/25 15:05:22. Forecast: 24/11/25 to 30/11/25. Timezone: UTC+1.00