Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 8

Waning Gibbous 82%

18:53

12:04

06 Bad
07 Bad
08 Bad
09 OK
10 Good
11 OK
12 OK
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

Sun - Rise: 07:47, Set: 17:05, Transit: 12:26. Moon - Rise: 18:53, Set: 12:04. Civil Dark: 17:40 - 07:12. Nautical Dark: 18:19 - 06:32. Astro Dark: 18:58 - 05:55

Total Clouds (% Sky Obscured)

76
82
84
40
18
21
45
61
90
99
100
100
99
98
97
98
76
92
87
77
76
80
80
81

Low Clouds (% Sky Obscured)

0
9
0
0
17
20
44
60
83
95
100
88
85
57
74
69
54
77
77
77
76
80
80
81

Medium Clouds (% Sky Obscured)

73
62
5
7
2
3
2
1
13
43
31
70
77
60
62
66
28
47
10
0
0
0
0
0

High Clouds (% Sky Obscured)

76
82
13
4
2
0
1
1
1
0
19
1
0
0
0
1
6
1
1
1
2
2
1
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
0
0
0
0
0
0
0
2
3
6
8
14
16
20
11
1
0
0
0
0
0
3
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
6
7
7
8
8
8
7
6
7
6
6
6
6
5
6
5
5
6
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
7
9
11
12
14
15
14
13
11
11
11
11
10
11
11
11
10
10
10
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

85
85
88
84
76
71
68
67
65
66
74
84
90
92
92
93
95
95
95
93
95
96
95
96

Pressure (mb)

1012
1012
1012
1013
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

267
267
268
268
267
266
267
270
272
273
273
273
273
275
276
277
277
277
280
283
283
284
283
281

Sunday 9

Waning Gibbous 72%

20:10

13:00

06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 OK
13 OK
14 Bad
15 Good
16 Good
17 Good
18 OK
19 OK
20 Good
21 Good
22 Good
23 Good
00 Good
01 Bad
02 OK
03 Bad
04 Bad
05 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 - 06:34. Astro Dark: 18:57 - 05:57

Total Clouds (% Sky Obscured)

72
82
75
72
75
50
48
46
49
0
12
16
33
23
17
4
0
0
10
72
33
61
84
89

Low Clouds (% Sky Obscured)

72
82
72
68
72
49
48
46
49
0
12
16
33
23
17
0
0
0
4
18
17
26
44
38

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12
14
27
32
26

High Clouds (% Sky Obscured)

0
0
2
6
4
3
6
0
0
0
0
0
1
1
2
4
0
0
10
46
2
21
51
70

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
1
0
0
0
0
0
0
0
0
0
0
0
0
0
5
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
5
6
7
6
7
6
6
4
4
4
5
5
6
6
6
6
7
7
8
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
95
88
81
76
69
62
61
69
77
81
81
81
81
81
82
84
85
87
88
88
90

Pressure (mb)

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

Ozone (du)

279
281
276
271
266
263
262
263
266
266
266
264
263
263
263
265
266
267
265
264
264
260
260
262

Monday 10

Waning Gibbous 61%

21:34

13:37

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
01 Bad
02 Bad
03 Bad
04 Bad
05 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 - 06:35. Astro Dark: 18:55 - 05:58

Total Clouds (% Sky Obscured)

100
100
99
98
99
97
97
100
100
100
100
100
100
100
100
89
83
76
87
64
97
95
96
97

Low Clouds (% Sky Obscured)

29
29
30
27
20
34
39
33
29
33
34
47
81
83
93
79
78
61
87
64
78
78
75
71

Medium Clouds (% Sky Obscured)

23
40
80
74
64
85
57
92
69
84
100
100
100
100
100
83
75
31
32
28
21
19
16
81

High Clouds (% Sky Obscured)

100
100
98
91
99
53
78
100
100
100
100
100
100
100
15
6
5
5
0
1
10
10
36
62

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
6
9
7
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
Light Rain
Very Light Rain
None
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
2
14
28
95
72
64
95
51
4
11
7
7
9
9
8

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.9
0.3
0
0.7
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
85
80
69
63
61
61
62
66
68
71
85
85
85
90
90
90
88
93
95
95
95

Pressure (mb)

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

Ozone (du)

263
264
264
264
265
264
264
263
262
264
266
267
268
272
276
283
292
303
312
309
303
299
294
290

Tuesday 11

Waning Gibbous 61%

22:58

14:03

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 OK
00 OK
01 OK
02 OK
03 Bad
04 Bad
05 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 - 06:37. Astro Dark: 18:54 - 06:00

Total Clouds (% Sky Obscured)

98
90
83
77
77
66
74
82
84
87
79
72
64
66
63
67
56
40
32
37
44
55
66
77

Low Clouds (% Sky Obscured)

60
60
66
67
61
53
43
44
47
48
36
22
9
11
12
11
7
3
1
0
0
0
0
0

Medium Clouds (% Sky Obscured)

7
13
4
6
9
4
5
7
11
13
20
24
22
66
43
66
35
40
3
2
0
0
0
0

High Clouds (% Sky Obscured)

89
68
47
34
30
20
35
32
34
32
21
11
0
9
18
27
20
14
9
14
18
23
42
60

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
4
3
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
10
9
10
11
12
12
12
11
10
10
10
9
10
9
8
9
9
9
9
9
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
96
95
93
91
85
76
70
70
73
76
81
84
84
82
84
81
81
80
82
84
84
81
81

Pressure (mb)

1012
1012
1013
1013
1014
1014
1014
1014
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1012
1012

Ozone (du)

287
288
287
287
291
295
293
292
289
286
284
282
277
271
270
269
270
271
269
268
267
266
265
265

Wednesday 12

Third Quarter 50%

00:17

14:21

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
01 Bad
02 Bad
03 Bad
04 Bad
05 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 - 06:38. Astro Dark: 18:53 - 06:00

Total Clouds (% Sky Obscured)

89
79
64
55
66
77
94
96
98
100
100
100
100
73
80
88
89
92
95
95
94
93
92
93

Low Clouds (% Sky Obscured)

0
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)

0
0
0
2
0
3
23
5
2
17
33
24
40
14
11
2
2
1
0
0
0
1
3
3

High Clouds (% Sky Obscured)

79
60
38
18
43
67
91
94
97
100
100
100
100
51
61
71
77
83
89
86
83
80
82
83

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
78
78
76
68
63
58
53
54
56
60
64
68
67
67
69
70
73
76
79
80
81
83
81

Pressure (mb)

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

Ozone (du)

264
264
264
265
266
268
269
270
269
269
269
269
270
269
269
269
269
269
269
268
268
267
267
268

Thursday 13

Waning Crescent 39%

01:33

14:35

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
01 Bad
02 Bad
03 Bad
04 Bad
05 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 - 06:40. Astro Dark: 18:52 - 06:01

Total Clouds (% Sky Obscured)

94
96
98
100
98
96
94
94
95
96
91
85
76
81
87
100
94
87
81
87
93
99
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
1
2
2
3
2
7
12
19
15
10
7
5
3

Medium Clouds (% Sky Obscured)

7
6
5
4
3
4
3
3
4
5
13
22
32
38
44
52
58
64
66
71
75
82
79
75

High Clouds (% Sky Obscured)

84
89
95
100
96
92
89
86
83
81
61
45
26
52
75
95
78
63
47
64
81
99
99
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
1
2
1
3
3
2
6
7
6
6
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)

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

Chance of Frost

Temperature (°C)

11
11
12
13
14
15
16
17
17
17
17
17
16
16
16
16
16
16
15
15
15
14
14
14

Feels Like (°C)

9
9
8
8
8
8
9
9
14
14
13
13
13
13
12
12
12
12
13
13
11
12
12
12

Dew Point (°C)

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

Relative Humidity (%)

79
77
75
71
68
63
61
58
60
61
61
64
66
69
68
68
67
66
66
66
63
61
60
58

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1007

Ozone (du)

269
270
270
271
271
271
272
272
273
275
276
276
277
277
277
278
278
279
279
279
279
279
278
279

Friday 14

Waning Crescent 30%

02:45

14:46

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: 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 - 06:41. Astro Dark: 18:51 - 06:02

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
91
81
71

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

71
76
71
67
61
70
78
79
81
82
87
90
99
99
99
100
80
59
39

High Clouds (% Sky Obscured)

100
100
100
100
100
99
99
99
100
100
91
81
74
76
80
83
79
75
70

ISS Passover

Visibility (miles)

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

Precipitation Type

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
12
17
17
28
34
39
31
22
2

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
55
54
53
54
52
49
47
49
50
51
58
65
74
75
78
79
80
79

Pressure (mb)

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

Ozone (du)

280
280
280
280
280
281
281
282
283
285
286
288
291
294
295
297
298
300
301

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

Generated: 08/11/25 06:50:45. Forecast: 08/11/25 to 14/11/25. Timezone: UTC+1.00