Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 9

Waning Gibbous 82%

20:08

12:57

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

Sun - Rise: 07:46, Set: 17:01, Transit: 12:24. Moon - Rise: 20:08, Set: 12:57. Civil Dark: 17:37 - 07:11. Nautical Dark: 18:16 - 06:32. Astro Dark: 18:55 - 05:53

Total Clouds (% Sky Obscured)

85
86
93
73
71
72
64
64
50
41
43
45
48
45
26
13
1
0
21
28
24
7
25
24

Low Clouds (% Sky Obscured)

79
79
87
73
71
72
64
64
47
41
43
45
48
45
26
13
0
0
21
26
20
4
25
24

Medium Clouds (% Sky Obscured)

25
67
51
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
50
1
1
1
1
2
0
0
0
0
1
5
2
1
0
0
0
1
10
7
4
6

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
5
19
18
14
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
10
9
9
9
9
8
8
8
7
7
6
6
7
8
9
7
6
5
4
3
4
4

Relative Humidity (%)

96
98
98
96
96
98
96
96
93
85
77
71
64
62
64
72
83
87
85
82
78
74
82
82

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1018
1018
1019
1019
1018
1018
1018
1018
1017
1017
1018
1018
1018
1018
1018
1017
1017

Ozone (du)

274
276
277
276
277
282
288
292
293
293
291
286
278
271
270
270
266
263
263
264
264
265
265
266

Monday 10

Waning Gibbous 72%

21:32

13:35

01 OK
02 OK
03 OK
04 Bad
05 Bad
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: 07:48, Set: 17:00, Transit: 12:24. Moon - Rise: 21:32, Set: 13:35. Civil Dark: 17:35 - 07:13. Nautical Dark: 18:15 - 06:33. Astro Dark: 18:53 - 05:55

Total Clouds (% Sky Obscured)

38
19
35
69
85
85
100
98
100
100
96
100
100
100
100
100
100
100
100
100
95
65
48
69

Low Clouds (% Sky Obscured)

38
5
24
59
59
69
74
45
35
37
32
41
26
15
3
0
13
36
90
82
66
65
48
65

Medium Clouds (% Sky Obscured)

0
0
0
1
2
15
2
6
34
72
93
99
89
100
100
100
100
100
60
57
75
13
2
8

High Clouds (% Sky Obscured)

12
19
25
32
64
56
92
97
100
100
78
100
100
100
100
100
100
90
100
25
15
0
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
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
Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
5
6
29
71
53
30
7
1
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0
0
0
0
0

Wind Speed/Direction (mph)

6
7
7
7
7
8
8
9
9
11
12
13
13
13
12
13
12
12
14
14
14
15
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
84
84
85
85
87
85
87
81
72
65
63
61
60
62
65
66
68
66
72
78
82
87
91

Pressure (mb)

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

Ozone (du)

263
263
264
263
258
258
260
262
264
264
265
265
266
266
267
266
268
271
272
275
280
291
303
304

Tuesday 11

Waning Gibbous 61%

22:56

14:00

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

Sun - Rise: 07:50, Set: 16:58, Transit: 12:24. Moon - Rise: 22:56, Set: 14:00. Civil Dark: 17:34 - 07:14. Nautical Dark: 18:14 - 06:34. Astro Dark: 18:52 - 05:56

Total Clouds (% Sky Obscured)

100
97
82
90
90
70
74
69
59
66
87
78
87
67
48
51
43
19
24
28
34
37
40
43

Low Clouds (% Sky Obscured)

85
91
61
73
70
58
70
63
48
65
76
43
80
42
35
35
29
5
3
2
0
0
0
0

Medium Clouds (% Sky Obscured)

77
91
43
34
35
6
0
2
2
0
2
3
0
0
0
4
43
19
11
16
4
4
0
0

High Clouds (% Sky Obscured)

91
48
10
10
5
23
35
25
27
14
51
64
37
50
30
30
20
19
21
28
34
37
40
43

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
2
6
2
1
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
88
87
88
90
90
91
93
91
82
72
66
62
62
65
70
77
83
87
88
87
85
81
72

Pressure (mb)

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

Ozone (du)

300
296
293
289
287
286
284
284
286
288
291
290
291
291
290
286
281
276
274
275
271
269
267
267

Wednesday 12

Third Quarter 50%

00:15

14:18

01 Bad
02 OK
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 OK
10 OK
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: 07:52, Set: 16:57, Transit: 12:24. Moon - Rise: 00:15, Set: 14:18. Civil Dark: 17:33 - 07:16. Nautical Dark: 18:12 - 06:36. Astro Dark: 18:51 - 05:57

Total Clouds (% Sky Obscured)

44
42
46
49
54
60
54
47
40
43
46
49
64
77
88
92
96
100
97
100
100
98
100
100

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

4
4
0
0
4
4
6
44
37
7
3
0
28
3
55
65
18
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

44
42
46
49
54
60
54
47
40
40
40
43
57
71
85
90
95
100
97
100
100
98
100
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
3
3
3
3
3
3
4
4
4
4
5
6
6
7
7
8
8
8
8
8
8
8
9

Relative Humidity (%)

64
65
65
67
67
69
69
69
67
61
57
53
53
53
55
61
69
73
76
77
76
77
79
80

Pressure (mb)

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

Ozone (du)

267
266
265
267
266
266
266
266
267
267
268
269
270
269
269
269
269
270
270
270
270
271
269
268

Thursday 13

Waning Crescent 39%

No Rise

14:32

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:53, Set: 16:55, Transit: 12:24. Moon - Rise: No Rise, Set: 14:32. Civil Dark: 17:31 - 07:17. Nautical Dark: 18:11 - 06:37. Astro Dark: 18:50 - 05:59

Total Clouds (% Sky Obscured)

95
91
86
90
95
100
100
100
100
100
100
100
100
100
100
96
92
87
90
92
95
97
98
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
5
10
18
16
16
13

Medium Clouds (% Sky Obscured)

0
0
0
6
13
20
27
37
45
36
32
25
22
19
16
35
54
73
72
72
70
79
89
99

High Clouds (% Sky Obscured)

92
84
76
83
92
100
100
100
100
100
100
100
100
100
100
75
51
26
25
25
28
52
76
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
1
1

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
76
73
73
71
69
66
65
64
61
59
58
57
59
60
62
63
65
66
67
67
69
68
68

Pressure (mb)

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

Ozone (du)

267
265
265
264
266
267
267
267
267
269
269
269
268
268
267
267
268
269
270
271
271
272
273
273

Friday 14

Waning Crescent 30%

01:30

14:44

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:55, Set: 16:54, Transit: 12:24. Moon - Rise: 01:30, Set: 14:44. Civil Dark: 17:30 - 07:19. Nautical Dark: 18:10 - 06:39. Astro Dark: 18:49 - 06:00

Total Clouds (% Sky Obscured)

99
98
97
97
98
99
99
100
100
97
94
92
94
97
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

19
23
27
36
44
53
53
53
53
58
64
65
68
67
66
56
47
38
33
25
19
19
22
20

Medium Clouds (% Sky Obscured)

99
98
97
97
95
93
96
98
100
97
94
92
93
97
98
98
98
98
98
97
97
98
98
99

High Clouds (% Sky Obscured)

92
85
79
87
93
99
99
100
100
94
86
78
86
91
100
100
100
100
100
100
100
94
87
79

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 (%)

6
5
0
0
1
1
4
5
5
10
9
2
18
24
29
25
21
13
11
8
0
21
32
40

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
66
66
65
66
67
67
68
68
69
65
61
58
58
59
59
61
62
66
63
62
61
65
71

Pressure (mb)

1006
1006
1006
1006
1006
1005
1005
1005
1005
1005
1004
1004
1003
1003
1003
1002
1002
1002
1002
1002
1002
1001
1001
1001

Ozone (du)

274
275
275
276
277
277
277
278
278
279
279
280
280
282
284
286
288
289
291
290
290
289
289
290

Saturday 15

Waning Crescent 21%

02:43

14:55

Sun - Rise: 07:57, Set: 16:53, Transit: 12:25. Moon - Rise: 02:43, Set: 14:55. Civil Dark: 17:29 - 07:20. Nautical Dark: 18:09 - 06:40. Astro Dark: 18:48 - 06:02

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Elst, Flemish Brabant, Kingdom of Belgium (50.77,4.89)

Generated: 09/11/25 01:04:32. Forecast: 09/11/25 to 15/11/25. Timezone: UTC+1.00