Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 7

Waning Gibbous 90%

17:52

10:47

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

Sun - Rise: 07:45, Set: 17:06, Transit: 12:26. Moon - Rise: 17:52, Set: 10:47. Civil Dark: 17:41 - 07:10. Nautical Dark: 18:21 - 06:32. Astro Dark: 18:59 - 05:54

Total Clouds (% Sky Obscured)

39
26
14
25
25
28
30
53
66
63
74
67
62
20
9
71
81
100
94
53
1
5
35
36

Low Clouds (% Sky Obscured)

26
8
0
18
4
0
0
0
0
0
0
0
11
14
0
0
5
31
32
0
0
5
35
28

Medium Clouds (% Sky Obscured)

0
1
3
9
15
2
20
29
41
38
52
53
33
0
0
23
37
15
4
3
1
4
2
8

High Clouds (% Sky Obscured)

4
1
1
0
2
28
3
3
2
5
2
10
10
13
9
56
76
100
73
53
1
5
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
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)

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

Chance of Frost

Temperature (°C)

9
9
10
13
14
15
16
17
16
16
15
13
12
12
11
11
10
10
10
10
9
9
9
8

Feels Like (°C)

7
8
10
12
14
14
15
16
16
15
14
13
10
9
9
9
8
9
8
9
8
7
7
8

Dew Point (°C)

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

Relative Humidity (%)

90
88
87
77
71
65
62
62
64
70
79
84
84
86
86
87
88
90
88
88
88
90
88
90

Pressure (mb)

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

Ozone (du)

255
257
258
259
260
260
261
262
262
263
263
264
263
264
264
265
266
266
267
268
268
269
269
269

Saturday 8

Waning Gibbous 82%

18:53

12:04

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

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 - 06:34. Astro Dark: 18:58 - 05:55

Total Clouds (% Sky Obscured)

53
43
28
3
23
29
53
45
46
67
96
95
93
78
74
63
70
76
80
78
70
79
90
90

Low Clouds (% Sky Obscured)

29
29
22
0
22
15
53
45
45
67
92
88
86
63
53
63
70
76
80
78
70
79
90
81

Medium Clouds (% Sky Obscured)

15
12
5
1
0
6
0
0
0
0
8
3
4
5
10
0
0
0
0
0
0
1
1
2

High Clouds (% Sky Obscured)

0
0
1
0
0
0
0
0
0
1
1
10
5
1
1
1
4
1
0
0
3
5
4
54

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
1
0
2
9
4
12
5
4
2
1
1
0
1
2
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
88
81
79
74
70
69
69
74
84
89
89
88
90
91
91
90
90
93
95
95
95
96

Pressure (mb)

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

Ozone (du)

268
268
268
267
265
264
264
262
262
261
260
261
261
261
262
263
263
265
267
268
271
275
280
284

Sunday 9

Waning Gibbous 72%

20:10

13:00

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

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)

79
86
83
80
62
57
51
52
38
61
54
50
7
0
2
4
13
31
25
23
38
32
27
26

Low Clouds (% Sky Obscured)

79
85
82
61
62
57
51
52
38
40
30
24
0
0
0
0
13
31
25
15
4
3
5
15

Medium Clouds (% Sky Obscured)

2
2
2
38
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
7
13
23
8

High Clouds (% Sky Obscured)

2
1
1
0
0
0
0
0
0
15
20
25
4
0
1
0
0
0
1
2
10
10
16
9

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 (%)

2
4
3
1
1
2
0
0
0
0
0
0
0
0
0
0
0
1
1
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
6
7
7
7
7
6
6
5
5
4
5
5
5
6
6
6
7
7
7
8
9
9

Chance of Frost

Temperature (°C)

9
9
10
11
12
12
13
13
13
13
11
10
9
8
7
7
6
6
6
6
6
6
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
95
88
83
77
70
63
62
66
73
77
81
84
87
88
88
88
88
88
88
88
87
84

Pressure (mb)

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

Ozone (du)

283
279
273
271
270
269
269
272
274
273
266
263
263
266
266
264
264
265
267
266
266
262
259
260

Monday 10

Waning Gibbous 61%

21:34

13:37

07 OK
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)

42
71
97
84
69
60
69
75
84
89
95
100
97
94
91
91
91
74
73
83
88
86
83
73

Low Clouds (% Sky Obscured)

29
39
52
46
40
32
31
26
25
42
62
79
79
80
81
84
83
71
70
61
61
58
52
48

Medium Clouds (% Sky Obscured)

6
6
46
70
69
60
69
75
84
89
93
100
97
61
91
65
29
21
17
9
0
0
2
3

High Clouds (% Sky Obscured)

26
64
90
69
53
30
23
25
23
49
74
100
70
39
9
6
3
0
1
4
5
5
5
4

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
4
3
9
9
9
9
2
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
Light Rain
Light Rain
Light Rain
None
None
None
Moderate Rain
Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
1
18
23
10
39
89
95
95
39
12
35
95
88
19
11
7
20
23
14
12
8
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.6
0.9
1.1
0
0
0
2.6
0.4
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
84
79
78
78
77
76
77
88
91
91
90
90
91
95
93
87
90
95
95
96
96
96
96

Pressure (mb)

1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015

Ozone (du)

262
264
266
267
269
270
271
272
272
274
279
282
287
296
302
310
315
316
312
305
299
294
293
289

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

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)

67
87
82
76
89
92
94
97
100
93
87
80
38
34
32
38
46
55
59
59
59
52
50
43

Low Clouds (% Sky Obscured)

49
51
49
49
49
49
44
39
33
26
19
12
2
1
1
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

2
3
3
10
12
17
15
10
2
42
57
59
15
16
22
18
11
4
3
1
0
0
0
0

High Clouds (% Sky Obscured)

7
9
13
9
4
0
33
68
100
84
67
51
0
0
0
3
6
9
8
10
9
16
18
21

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
95
88
81
79
76
75
77
83
87
90
88
90
90
91
91
90
90
90
88
88
87
84

Pressure (mb)

1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016

Ozone (du)

288
287
286
288
288
287
285
280
276
270
266
266
267
267
266
266
266
265
265
265
264
264
264
265

Wednesday 12

Third Quarter 48%

00:17

14:21

07 OK
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 OK
21 OK
22 OK
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)

46
54
62
54
50
50
61
63
65
70
70
65
60
45
40
44
53
62
74
85
97
98
99
100

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
0
0
0
5
11
16
11
6
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

31
42
50
35
16
0
0
0
5
5
10
10
15
20
30
44
53
62
74
85
97
98
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
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
10
11
11
11
11
10
10
10
9
9
8
8
8
9
9
9
9
10
10
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
6
6
6
6
7
12
11
11
11
10
10
7
7
7
7
7
7
7
7
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

82
80
76
73
69
65
61
63
66
68
72
75
78
77
77
76
74
76
76
77
78
77
78
80

Pressure (mb)

1016
1016
1016
1016
1016
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013

Ozone (du)

265
265
265
266
266
267
267
267
268
268
270
271
272
272
272
272
272
272
272
273
274
274
276
277

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

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
99
98
97
96
96
81
66
51
67
83
98
80
72
69
75
80
88

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
2
3
4
4
6
15
25
35

High Clouds (% Sky Obscured)

98
96
95
96
96
96
81
66
51
67
83
94
80
72
64
61
58
46

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
6
7
7
7
8
7
13
13
12
13
12
12
10
10
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

81
77
75
72
68
63
59
62
63
65
69
73
76
76
76
77
74
69

Pressure (mb)

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

Ozone (du)

279
279
279
280
280
280
280
279
279
279
278
277
277
277
277
277
277
277

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

Generated: 07/11/25 06:29:33. Forecast: 07/11/25 to 13/11/25. Timezone: UTC+1.00