Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 9

Waning Gibbous 72%

20:10

13:00

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

Sun - Rise: 07:49, Set: 17:03, Transit: 12:26. Moon - Rise: 20:10, Set: 13:00. Civil Dark: 17:39 - 07:13. Nautical Dark: 18:18 - 06:35. Astro Dark: 18:57 - 05:57

Total Clouds (% Sky Obscured)

63
55
27
24
51
58
58
69
48
45
29
25
17
26
35
32
32
43
49
41
58
56
87
98

Low Clouds (% Sky Obscured)

47
35
27
24
36
51
58
67
39
43
29
24
16
25
16
21
28
42
49
41
36
33
62
75

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
6
6
6
44
75

High Clouds (% Sky Obscured)

0
0
0
0
7
7
0
0
0
0
0
0
0
1
20
16
16
12
15
10
37
34
64
80

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
9
8
9
10
10
11
12
12
13
11
9
9
8
8
7
6
6
6
5
5
4
4
3

Dew Point (°C)

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

Relative Humidity (%)

95
95
93
85
77
71
70
68
65
71
79
78
82
85
87
85
85
85
85
87
87
87
88
87

Pressure (mb)

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

Ozone (du)

290
290
282
275
273
271
270
270
268
266
264
263
262
263
263
264
263
260
261
263
261
258
259
259

Monday 10

Waning Gibbous 61%

21:34

13:37

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

Sun - Rise: 07:51, Set: 17:02, Transit: 12:26. Moon - Rise: 21:34, Set: 13:37. Civil Dark: 17:37 - 07:15. Nautical Dark: 18:17 - 06:37. Astro Dark: 18:55 - 05:58

Total Clouds (% Sky Obscured)

100
100
100
100
100
94
100
100
100
100
100
100
100
100
61
65
100
100
68
65
100
100
91
79

Low Clouds (% Sky Obscured)

37
40
32
38
33
25
27
21
19
33
64
90
80
75
59
65
51
57
68
65
75
61
65
66

Medium Clouds (% Sky Obscured)

77
80
97
88
89
92
93
100
96
87
100
100
15
100
61
46
57
59
0
0
0
1
15
30

High Clouds (% Sky Obscured)

100
100
100
100
98
47
100
100
100
100
100
96
4
0
0
0
80
81
0
3
100
100
66
10

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

Precipitation Probability (%)

0
0
0
0
1
3
4
11
10
26
57
57
95
47
11
1
0
0
0
0
7
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0
1.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
85
82
77
72
68
66
65
65
68
68
72
76
81
82
81
87
90
91
91
91
93
93
93

Pressure (mb)

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

Ozone (du)

261
261
263
264
264
264
265
265
264
267
270
274
277
281
292
305
308
305
299
294
289
287
285
284

Tuesday 11

Waning Gibbous 50%

22:58

14:03

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 OK
20 OK
21 Bad
22 Bad
23 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:52, Set: 17:00, Transit: 12:26. Moon - Rise: 22:58, Set: 14:03. Civil Dark: 17:36 - 07:17. Nautical Dark: 18:16 - 06:38. Astro Dark: 18:54 - 06:00

Total Clouds (% Sky Obscured)

79
93
97
100
99
99
89
65
100
68
77
49
38
40
52
44
42
58
65
69
76
77
78
81

Low Clouds (% Sky Obscured)

66
56
59
66
68
80
72
53
38
44
25
19
0
2
0
0
0
0
0
0
0
0
0
1

Medium Clouds (% Sky Obscured)

11
76
78
24
55
68
8
2
2
0
36
14
4
7
6
7
4
2
4
3
0
0
1
4

High Clouds (% Sky Obscured)

9
47
78
100
94
97
56
15
100
34
57
29
30
21
32
11
9
37
47
57
67
70
75
80

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)

10
11
11
12
12
13
12
12
12
11
11
11
11
11
12
12
13
13
13
12
12
13
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
93
90
87
80
72
68
70
72
75
79
81
83
81
77
74
76
74
72
71
73
73
73
72

Pressure (mb)

1012
1012
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011

Ozone (du)

286
288
288
290
292
295
298
298
295
290
288
283
275
273
271
269
268
267
267
266
265
265
264
266

Wednesday 12

Third Quarter 48%

00:17

14:21

07 Bad
08 Bad
09 Bad
10 Bad
11 OK
12 OK
13 OK
14 OK
15 OK
16 OK
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: 07:54, Set: 16:59, Transit: 12:26. Moon - Rise: 00:17, Set: 14:21. Civil Dark: 17:35 - 07:18. Nautical Dark: 18:14 - 06:40. Astro Dark: 18:53 - 06:01

Total Clouds (% Sky Obscured)

78
79
80
62
40
30
30
25
25
40
55
71
80
90
100
100
100
100
78
59
49
66
83
100

Low 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

Medium Clouds (% Sky Obscured)

4
7
7
4
7
0
0
0
4
1
0
0
2
4
8
28
32
0
0
0
0
8
14
19

High Clouds (% Sky Obscured)

78
78
80
56
40
15
5
5
0
20
40
61
74
87
100
100
100
100
70
41
11
41
70
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
69
65
62
60
57
54
55
57
59
62
66
66
67
72
76
76
76
77
79
77
79
76
73

Pressure (mb)

1011
1011
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009

Ozone (du)

266
265
264
264
264
266
267
267
268
268
268
268
269
269
269
267
266
265
264
263
261
261
261
262

Thursday 13

Waning Crescent 39%

01:33

14:35

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

Sun - Rise: 07:56, Set: 16:57, Transit: 12:26. Moon - Rise: 01:33, Set: 14:35. Civil Dark: 17:33 - 07:20. Nautical Dark: 18:13 - 06:41. Astro Dark: 18:52 - 06:02

Total Clouds (% Sky Obscured)

99
89
87
97
99
94
88
77
65
76
86
98
91
96
100
98
96
93
94
94
94
95
97
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
0
0
5
11
12
7
1
5
7
13
11
10
8
9
7
5

Medium Clouds (% Sky Obscured)

19
16
14
10
5
0
5
11
17
25
64
68
76
84
79
78
80
81
87
92
94
89
80
72

High Clouds (% Sky Obscured)

98
89
87
95
98
94
77
56
34
53
68
91
44
46
47
46
46
46
44
44
43
58
70
82

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
1
2
0
2
3
4
3
2
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
13
13
14
13
12
12
11
11
11
9
10
10
11
10
9
8
9
10
11
10
9

Chance of Frost

Temperature (°C)

12
12
13
14
15
17
18
18
17
16
15
15
15
15
15
15
15
14
14
14
14
14
13
13

Feels Like (°C)

7
8
8
10
11
12
13
14
13
13
12
12
12
12
12
12
12
12
12
11
11
12
11
12

Dew Point (°C)

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

Relative Humidity (%)

71
70
67
62
56
55
54
55
59
63
66
66
65
67
68
70
71
74
75
73
70
68
69
72

Pressure (mb)

1009
1009
1010
1009
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1007
1006
1006
1005
1005
1005

Ozone (du)

261
262
261
264
265
265
264
265
266
267
267
268
269
270
272
273
273
273
272
273
273
274
274
274

Friday 14

Waning Crescent 30%

02:45

14:46

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

Sun - Rise: 07:57, Set: 16:56, Transit: 12:27. Moon - Rise: 02:45, Set: 14:46. Civil Dark: 17:32 - 07:21. Nautical Dark: 18:12 - 06:43. Astro Dark: 18:51 - 06:04

Total Clouds (% Sky Obscured)

100
100
100
92
87
84
91
96
100
100
100
100
100
100
100
100
100
100
100
100
100
96
94
90

Low Clouds (% Sky Obscured)

6
9
15
25
16
4
5
10
16
18
18
17
32
46
50
38
34
28
22
16
13
15
19
23

Medium Clouds (% Sky Obscured)

78
83
89
91
87
84
91
87
83
70
58
45
57
69
82
89
95
100
82
66
47
40
32
24

High Clouds (% Sky Obscured)

88
94
100
74
46
19
46
73
100
100
100
100
99
98
95
96
98
100
100
100
100
93
76
75

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
22
30
37
32
23
11
24
32
38
28
17
1
2
1
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
9
10
10
11
11
11
11
11
12
11
11
11
12
12
13
12
11
12
12
12
12
12
12

Chance of Frost

Temperature (°C)

13
13
14
14
15
16
17
17
17
16
16
16
15
15
14
14
13
13
13
13
13
12
12
12

Feels Like (°C)

11
10
11
10
11
11
11
14
14
13
13
13
12
11
11
10
10
10
10
8
8
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

74
70
67
63
59
55
51
53
54
56
55
54
53
61
71
80
76
72
68
70
71
73
75
77

Pressure (mb)

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

Ozone (du)

274
275
277
278
278
278
277
278
279
280
281
282
282
284
286
289
290
292
294
294
294
294
295
297

Saturday 15

Waning Crescent 21%

03:56

14:57

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: 07:59, Set: 16:55, Transit: 12:27. Moon - Rise: 03:56, Set: 14:57. Civil Dark: 17:31 - 07:23. Nautical Dark: 18:11 - 06:44. Astro Dark: 18:50 - 06:05

Total Clouds (% Sky Obscured)

93
97
100
94
88
78
77
71
66
59
52
46
64
82
100
100
100
100

Low Clouds (% Sky Obscured)

24
25
24
28
33
38
43
47
52
48
43
41
32
24
14
11
8
9

Medium Clouds (% Sky Obscured)

35
51
66
65
58
56
43
33
17
11
5
3
26
48
68
78
89
99

High Clouds (% Sky Obscured)

83
91
99
88
71
45
22
20
18
27
37
44
60
74
91
93
96
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

2
3
2
26
35
39
35
39
46
39
28
2
9
8
0
10
23
36

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

11
11
12
12
13
13
14
14
13
13
12
10
9
9
10
10
10
9

Chance of Frost

Temperature (°C)

12
12
13
13
13
14
14
14
14
14
14
13
13
12
12
12
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
77
76
75
71
70
67
67
67
66
67
70
71
71
71
71
76
80

Pressure (mb)

1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001

Ozone (du)

299
301
302
303
305
307
309
310
311
313
312
311
310
309
308
307
307
307

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

Generated: 09/11/25 06:20:58. Forecast: 09/11/25 to 15/11/25. Timezone: UTC+1.00