Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 10

Waning Gibbous 57%

23:19

12:40

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 08:35, Set: 16:36, Transit: 12:35. Moon - Rise: 23:19, Set: 12:40. Civil Dark: 17:15 - 07:56. Nautical Dark: 17:58 - 07:14. Astro Dark: 18:38 - 06:34

Total Clouds (% Sky Obscured)

90
92
94
95
95
100
100
100
100
91
100
76
71
63
73
71
61
62
65
69
70
55
65
48

Low Clouds (% Sky Obscured)

35
52
56
50
74
41
46
59
45
61
44
52
52
51
67
68
61
62
65
69
65
55
65
48

Medium Clouds (% Sky Obscured)

90
92
94
95
81
55
70
86
73
69
100
49
1
0
0
0
0
0
0
0
4
0
0
0

High Clouds (% Sky Obscured)

37
92
94
95
28
96
100
100
100
31
100
26
10
0
0
0
0
0
0
0
1
1
1
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
None

Precipitation Probability (%)

0
0
1
0
2
0
0
1
3
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)

9
10
11
11
12
12
12
11
9
9
10
10
10
9
8
8
8
7
7
7
7
7
7
6

Chance of Frost

Temperature (°C)

12
12
12
13
13
13
13
12
12
11
11
10
10
10
9
9
9
9
8
8
8
8
7
7

Feels Like (°C)

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

Dew Point (°C)

11
11
11
10
9
9
9
9
9
8
9
9
9
9
8
8
8
8
8
7
7
7
6
6

Relative Humidity (%)

90
92
89
86
80
79
79
80
81
84
87
88
90
93
93
95
96
95
96
96
95
95
94
93

Pressure (mb)

1016
1017
1018
1018
1018
1018
1019
1019
1020
1021
1021
1022
1023
1023
1024
1024
1024
1024
1025
1025
1024
1024
1024
1024

Ozone (du)

282
282
283
283
282
281
282
282
284
285
287
294
299
300
306
306
309
309
306
299
296
297
295
295

Thursday 11

Third Quarter 46%

00:33

12:53

09 Good
10 OK
11 Bad
12 Bad
13 OK
14 OK
15 OK
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

Sun - Rise: 08:36, Set: 16:36, Transit: 12:36. Moon - Rise: 00:33, Set: 12:53. Civil Dark: 17:15 - 07:57. Nautical Dark: 17:58 - 07:15. Astro Dark: 18:38 - 06:34

Total Clouds (% Sky Obscured)

0
23
69
60
39
47
47
53
52
100
100
100
100
100
100
100
100
97
93
91
93
89
98
100

Low Clouds (% Sky Obscured)

0
23
69
60
39
44
43
51
50
79
74
75
61
38
35
7
36
53
46
46
56
63
69
77

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
70
100
100
100
100
85
18
28
67
47
69
68
84

High Clouds (% Sky Obscured)

0
0
1
1
1
0
4
10
5
100
100
100
100
100
100
100
83
56
20
30
39
45
13
12

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 (%)

47
100
100
2
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
2
2
5
3
8

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
88
81
76
72
71
74
80
84
87
87
85
82
81
82
84
82
85
85
85
90
88
91
90

Pressure (mb)

1024
1024
1024
1024
1023
1022
1022
1021
1021
1021
1021
1021
1020
1020
1020
1019
1019
1018
1018
1018
1018
1017
1017
1018

Ozone (du)

295
294
295
295
295
297
298
296
294
294
295
297
300
299
300
300
297
296
296
296
296
295
295
297

Friday 12

Waning Crescent 36%

01:45

13:04

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 08:37, Set: 16:36, Transit: 12:36. Moon - Rise: 01:45, Set: 13:04. Civil Dark: 17:15 - 07:58. Nautical Dark: 17:58 - 07:15. Astro Dark: 18:38 - 06:35

Total Clouds (% Sky Obscured)

91
100
95
100
100
96
100
93
97
95
88
100
100
100
99
100
96
100
100
100
99
100
100
100

Low Clouds (% Sky Obscured)

70
78
54
72
74
77
69
69
71
64
45
21
9
39
54
44
46
54
80
85
83
85
89
93

Medium Clouds (% Sky Obscured)

59
86
58
78
94
88
35
27
45
43
41
58
58
82
95
95
95
100
98
100
98
97
94
91

High Clouds (% Sky Obscured)

20
100
72
100
69
37
100
41
97
44
15
100
100
100
68
100
55
87
100
100
65
86
87
89

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

5
2
0
0
1
4
1
2
0
0
0
0
1
9
8
0
6
12
59
69
70
93
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.4
0.9
0.9
1.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
9
10
10
11
11
11
11
10
10
10
10
10
10
10
9
9
9
9
9
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

7
7
8
8
9
9
9
9
9
9
9
8
8
8
9
8
9
8
8
8
8
8
8
8

Relative Humidity (%)

91
88
87
87
87
86
84
88
90
91
91
91
91
91
93
93
95
95
93
96
96
96
96
95

Pressure (mb)

1018
1019
1019
1019
1019
1019
1019
1020
1020
1020
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1023

Ozone (du)

298
299
299
298
298
297
300
303
305
305
306
307
309
311
313
316
317
317
317
318
322
324
326
328

Saturday 13

Waning Crescent 27%

02:56

13:15

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

Sun - Rise: 08:38, Set: 16:36, Transit: 12:37. Moon - Rise: 02:56, Set: 13:15. Civil Dark: 17:16 - 07:58. Nautical Dark: 17:58 - 07:16. Astro Dark: 18:38 - 06:36

Total Clouds (% Sky Obscured)

100
96
92
88
69
41
18
18
18
27
40
21
26
24
32
35
39
60
81
92
94
96
97
97

Low Clouds (% Sky Obscured)

97
88
78
71
56
37
18
18
18
22
25
21
25
16
8
0
0
0
6
28
47
66
70
77

Medium Clouds (% Sky Obscured)

88
88
87
88
69
4
0
0
0
0
0
0
0
0
0
0
14
27
40
87
84
71
75
70

High Clouds (% Sky Obscured)

90
68
48
30
8
4
0
0
0
0
3
6
9
13
18
22
39
58
76
69
65
58
55
52

ISS Passover

Visibility (miles)

1
3
5
6
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

Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
44
6
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1

Precipitation Amount (mm)

1.5
0.9
0.7
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
10
11
9
8
6
4
3
5
6
7
7
8
8
9
9
10
11
10
11
12
12
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
5
3
4
5
6
7
8
6
5
3
2
2
2
2
-0
-1
-1
-1
-1
-1
-0
0
0

Dew Point (°C)

8
8
7
7
6
6
5
5
5
4
3
2
2
2
2
2
2
1
1
1
2
2
2
2

Relative Humidity (%)

96
95
90
90
87
84
81
82
87
88
88
83
85
86
88
86
86
83
83
83
80
79
79
76

Pressure (mb)

1023
1024
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1027
1026
1026
1026
1025
1025
1025
1024
1024
1024
1023

Ozone (du)

335
349
357
366
376
383
386
377
362
355
346
342
336
329
324
321
316
314
312
309
306
306
305
302

Sunday 14

Waning Crescent 19%

04:07

13:27

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 08:38, Set: 16:36, Transit: 12:37. Moon - Rise: 04:07, Set: 13:27. Civil Dark: 17:16 - 07:59. Nautical Dark: 17:58 - 07:17. Astro Dark: 18:38 - 06:37

Total Clouds (% Sky Obscured)

98
97
97
97
98
98
98
99
99
100
100
99
99
100
100
100
99
97
96
97
99
100
92
85

Low Clouds (% Sky Obscured)

81
83
85
88
87
86
86
84
83
81
77
60
47
46
76
84
82
79
77
71
68
63
60
59

Medium Clouds (% Sky Obscured)

79
73
67
74
82
78
70
82
82
84
63
35
4
27
66
79
62
47
36
37
49
44
40
33

High Clouds (% Sky Obscured)

49
45
40
36
46
55
66
77
89
100
100
99
99
100
100
100
90
81
71
81
90
100
78
56

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)

13
13
13
14
14
14
13
13
13
13
13
13
13
13
13
14
13
13
13
14
14
14
14
15

Chance of Frost

Temperature (°C)

6
7
7
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
76
75
73
71
71
70
69
70
68
68
67
67
70
70
71
71
71
73
71
71
71
71
71

Pressure (mb)

1023
1023
1023
1023
1023
1022
1021
1021
1021
1020
1020
1020
1020
1020
1019
1019
1018
1018
1017
1017
1016
1016
1015
1015

Ozone (du)

301
300
299
297
296
296
295
294
293
292
292
293
292
291
290
290
290
291
291
292
291
290
289
289

Monday 15

Waning Crescent 19%

05:19

13:40

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 08:39, Set: 16:37, Transit: 12:38. Moon - Rise: 05:19, Set: 13:40. Civil Dark: 17:16 - 08:00. Nautical Dark: 17:58 - 07:18. Astro Dark: 18:38 - 06:37

Total Clouds (% Sky Obscured)

78
80
83
86
82
79
74
84
92
99
99
99
99
99
99
99
99
100
100
100
100
100
98
96

Low Clouds (% Sky Obscured)

56
58
57
54
45
35
26
37
45
58
61
64
62
57
61
74
75
78
79
62
46
35
49
65

Medium Clouds (% Sky Obscured)

22
16
8
0
1
1
3
5
6
8
9
9
9
10
15
11
12
13
13
17
20
23
35
51

High Clouds (% Sky Obscured)

36
26
11
0
5
11
25
53
83
91
87
81
62
54
71
98
99
100
100
100
100
100
68
40

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

Precipitation Probability (%)

0
0
0
0
0
2
4
18
29
38
41
35
7
31
47
68
62
62
51
39
25
2
5
5

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
8
8
9
10
10
10
10
9
9
9
9
9
8
9
9
9
9
9
8
8
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
71
69
68
66
67
67
68
69
69
70
72
73
73
74
75
77
80
82
85
88
90
91
91

Pressure (mb)

1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1014
1014
1014
1014

Ozone (du)

290
290
292
294
296
299
303
307
310
314
318
319
320
321
321
321
320
320
319
318
319
320
320
313

Tuesday 16

Waning Crescent 12%

06:31

13:57

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:40, Set: 16:37, Transit: 12:38. Moon - Rise: 06:31, Set: 13:57. Civil Dark: 17:16 - 08:01. Nautical Dark: 17:59 - 07:18. Astro Dark: 18:39 - 06:38

Total Clouds (% Sky Obscured)

93
95
98
100
90
80
65
77
88
100
100
100
99
100
100
100
99
98
97
95
95
93

Low Clouds (% Sky Obscured)

78
84
80
79
69
62
54
47
40
33
41
55
65
77
85
94
89
83
79
81
84
88

Medium Clouds (% Sky Obscured)

63
68
72
80
64
48
29
46
61
77
68
61
61
59
57
60
67
69
52
28
15
10

High Clouds (% Sky Obscured)

10
9
4
4
13
38
45
70
88
100
100
99
98
85
74
68
50
25
1
1
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
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

Precipitation Type

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

Precipitation Probability (%)

6
13
15
14
15
14
6
7
8
6
12
12
8
14
15
16
15
16
19
25
22
22

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

Wind Speed/Direction (mph)

13
13
13
13
13
11
10
9
9
8
7
7
7
7
8
7
8
7
7
7
7
7

Chance of Frost

Temperature (°C)

8
8
9
9
9
9
9
9
8
7
7
7
7
8
8
8
9
9
8
8
8
8

Feels Like (°C)

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

Dew Point (°C)

7
7
7
7
6
7
7
7
7
6
6
6
6
7
7
7
8
7
7
7
7
7

Relative Humidity (%)

90
90
87
85
82
85
85
88
90
91
91
93
93
93
93
93
93
91
93
93
93
93

Pressure (mb)

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

Ozone (du)

306
300
302
304
306
308
310
312
315
318
320
319
317
315
320
325
331
340
349
359
349
340

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

Generated: 10/12/25 09:55:04. Forecast: 10/12/25 to 16/12/25. Timezone: UTC+1.00