Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 3

Third Quarter 54%

23:32

16:14

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
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:46, Set: 19:16, Transit: 13:31. Moon - Rise: 23:32, Set: 16:14. Civil Dark: 19:48 - 07:14. Nautical Dark: 20:26 - 06:36. Astro Dark: 21:05 - 05:57

Total Clouds (% Sky Obscured)

75
74
82
100
100
100
83
71
100
65
66
86
90
100
100
100
100
100
100
100
99
95
90
100

Low Clouds (% Sky Obscured)

0
0
17
25
24
0
0
0
2
14
19
25
25
29
27
9
0
0
0
0
3
2
0
2

Medium Clouds (% Sky Obscured)

33
16
2
1
12
4
0
0
0
0
0
0
0
0
11
40
79
93
91
98
96
87
80
75

High Clouds (% Sky Obscured)

74
64
65
100
99
100
81
64
100
50
48
70
80
100
100
100
100
98
100
100
91
82
76
87

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)

2
2
1
1
2
1
1
2
2
3
4
4
4
5
5
5
5
5
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

10
10
9
9
9
10
13
16
18
19
20
21
21
20
20
18
17
16
15
14
13
13
13
12

Feels Like (°C)

9
9
9
10
8
9
12
15
17
18
19
19
19
19
18
16
15
14
13
12
12
12
11
11

Dew Point (°C)

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

Relative Humidity (%)

78
80
81
80
80
74
67
59
53
51
48
46
46
46
51
55
57
59
61
61
64
65
69
73

Pressure (mb)

1030
1030
1030
1030
1030
1030
1030
1031
1030
1030
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029

Ozone (du)

293
293
294
295
295
296
296
296
296
295
296
296
296
295
295
295
295
296
297
298
300
301
303
303

Sunday 4

Waning Crescent 42%

00:57

16:51

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
01 OK
02 OK
03 OK

Sun - Rise: 07:48, Set: 19:13, Transit: 13:31. Moon - Rise: 00:57, Set: 16:51. Civil Dark: 19:46 - 07:15. Nautical Dark: 20:24 - 06:37. Astro Dark: 21:03 - 05:58

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
51
59
61
62
75
73
68
60
67
57
57
69
62
68
72
36
26
31

Low Clouds (% Sky Obscured)

2
0
0
0
1
1
1
0
10
11
24
21
20
19
24
24
23
20
26
46
51
36
20
20

Medium Clouds (% Sky Obscured)

90
100
100
100
100
61
49
59
37
30
30
30
30
35
33
28
40
59
60
60
49
4
4
4

High Clouds (% Sky Obscured)

93
25
100
100
100
100
40
40
45
45
50
60
65
60
60
42
22
1
0
1
1
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
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
10
9
1
0
0
1
1
5
6
7
3
3
2
2
3
2
3
3
2
2
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)

4
3
3
4
4
4
4
4
4
4
4
3
3
3
2
2
2
1
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

12
12
12
12
12
12
14
16
18
19
20
20
21
20
20
18
17
16
15
14
13
13
12
11

Feels Like (°C)

11
11
11
10
11
11
13
14
17
18
19
19
20
20
20
18
17
16
14
14
12
12
12
13

Dew Point (°C)

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

Relative Humidity (%)

76
76
79
79
77
73
68
63
60
56
55
55
54
55
59
63
69
69
69
70
74
75
76
79

Pressure (mb)

1028
1028
1028
1028
1028
1028
1029
1029
1028
1028
1027
1027
1027
1026
1026
1026
1027
1027
1027
1027
1027
1027
1026
1026

Ozone (du)

303
305
305
305
303
303
303
302
302
302
302
301
300
301
304
307
307
305
301
296
293
290
286
282

Monday 5

Waning Crescent 31%

02:23

17:17

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

Sun - Rise: 07:50, Set: 19:11, Transit: 13:30. Moon - Rise: 02:23, Set: 17:17. Civil Dark: 19:44 - 07:17. Nautical Dark: 20:22 - 06:39. Astro Dark: 21:01 - 06:00

Total Clouds (% Sky Obscured)

31
16
33
49
81
65
24
3
16
34
37
20
19
6
2
4
3
1
0
0
2
7
11
18

Low Clouds (% Sky Obscured)

20
12
19
24
30
20
0
0
5
12
10
0
0
0
0
0
0
0
0
0
2
7
11
18

Medium Clouds (% Sky Obscured)

3
3
3
1
0
0
10
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
3
5
25
25
17
3
10
16
37
20
19
6
2
4
3
1
0
0
0
1
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
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)

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

Chance of Frost

Temperature (°C)

11
11
10
10
10
10
12
15
17
18
19
20
20
20
19
17
15
14
13
12
11
11
10
10

Feels Like (°C)

11
11
11
10
10
9
11
14
16
18
18
18
18
18
19
17
15
14
13
12
11
11
9
9

Dew Point (°C)

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

Relative Humidity (%)

80
81
83
81
82
77
66
58
52
48
45
43
41
39
43
49
52
55
61
68
72
73
74
76

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1024
1024
1023
1023
1024
1024
1024
1024
1023
1023
1023
1022

Ozone (du)

281
280
279
278
277
275
275
274
273
273
273
272
272
272
271
270
270
270
271
270
270
269
269
269

Tuesday 6

Waning Crescent 21%

03:47

17:36

04 OK
05 Good
06 OK
07 OK
08 OK
09 OK
10 OK
11 OK
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

Sun - Rise: 07:51, Set: 19:09, Transit: 13:30. Moon - Rise: 03:47, Set: 17:36. Civil Dark: 19:42 - 07:19. Nautical Dark: 20:20 - 06:40. Astro Dark: 20:58 - 06:02

Total Clouds (% Sky Obscured)

19
15
26
25
20
20
20
39
60
77
86
90
87
84
90
99
87
100
85
87
91
83
88
100

Low Clouds (% Sky Obscured)

19
15
26
25
20
20
20
39
60
77
81
80
69
68
73
82
48
48
32
24
51
38
20
25

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
5
7
25
42
55
47
42
35
64
69
42
26
54

High Clouds (% Sky Obscured)

2
2
2
1
0
0
0
0
0
0
6
8
12
16
29
61
71
100
75
72
76
62
84
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
1
3
3
2
2
1
2
4
3
2
6
10
15
21
13
11
7
10
10
9

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

Chance of Frost

Temperature (°C)

9
9
9
9
8
11
13
15
16
18
19
19
20
20
19
18
17
16
16
15
15
14
14
13

Feels Like (°C)

8
8
8
7
6
8
11
13
14
16
18
18
18
19
19
18
17
17
16
16
15
15
14
13

Dew Point (°C)

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

Relative Humidity (%)

77
77
77
72
69
67
65
62
59
54
53
52
53
54
57
63
65
72
77
79
79
78
78
80

Pressure (mb)

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

Ozone (du)

269
269
269
270
271
273
275
276
277
277
278
280
281
283
286
289
291
293
295
295
294
292
290
288

Wednesday 7

Waning Crescent 12%

No Rise

17:52

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
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:53, Set: 19:07, Transit: 13:30. Moon - Rise: No Rise, Set: 17:52. Civil Dark: 19:39 - 07:20. Nautical Dark: 20:18 - 06:42. Astro Dark: 20:56 - 06:03

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
98
95
88
83

Low Clouds (% Sky Obscured)

69
62
69
42
20
38
35
46
83
95
91
85
81
85
87
89
89
91
94
93
90
87
88
83

Medium Clouds (% Sky Obscured)

71
64
77
88
88
75
91
49
54
59
73
86
100
96
92
90
81
77
69
77
82
88
79
68

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
91
81
72
83
95
100
99
97
95
92
85
80
80
75
55
36
31

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

7
12
11
4
13
28
28
56
73
89
95
95
81
66
52
40
49
48
47
52
55
56
46
41

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.5
0.9
1.4
0.8
0.6
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
11
11
11
12
13
15
15
15
15
15
15
15
16
16
15
12
12
12
12
11
11
9

Dew Point (°C)

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

Relative Humidity (%)

77
74
76
75
79
76
76
75
69
65
67
72
77
83
85
86
87
86
84
84
86
86
87
85

Pressure (mb)

1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1017
1017
1017
1017
1018
1018
1018
1018
1018

Ozone (du)

286
285
285
286
288
291
293
294
296
297
299
300
301
301
302
303
304
306
307
308
311
314
317
322

Thursday 8

Waning Crescent 6%

05:08

18:05

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
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:54, Set: 19:05, Transit: 13:30. Moon - Rise: 05:08, Set: 18:05. Civil Dark: 19:37 - 07:22. Nautical Dark: 20:15 - 06:44. Astro Dark: 20:54 - 06:05

Total Clouds (% Sky Obscured)

78
71
68
64
65
70
73
79
87
91
84
78
76
59
50
44
49
57
65
61
58
54
68
80

Low Clouds (% Sky Obscured)

78
67
48
32
32
37
38
38
35
28
35
42
49
47
47
44
47
50
55
50
43
35
31
27

Medium Clouds (% Sky Obscured)

57
40
22
6
8
11
16
22
33
40
37
30
22
15
7
0
0
0
0
1
2
2
3
4

High Clouds (% Sky Obscured)

23
13
7
0
0
0
0
0
0
0
1
1
2
3
4
4
7
11
14
19
24
28
46
67

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
9
9
9
8
7
6
7
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

39
30
23
17
26
32
35
51
63
80
72
71
67
46
40
37
26
21
17
14
8
1
4
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.5
0.4
0.4
0.4
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
7
7
7
8
10
12
13
14
14
14
13
13
12
11
9
7
7
7
7
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
81
81
81
79
74
69
65
54
45
37
42
48
55
58
60
64
67
69
72
71
71
71
71

Pressure (mb)

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

Ozone (du)

327
333
332
332
332
334
336
338
332
325
319
316
313
309
308
306
305
302
300
297
294
291
287
285

Friday 9

Waning Crescent 2%

06:27

18:18

Sun - Rise: 07:56, Set: 19:02, Transit: 13:29. Moon - Rise: 06:27, Set: 18:18. Civil Dark: 19:35 - 07:23. Nautical Dark: 20:13 - 06:45. Astro Dark: 20:52 - 06:07

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

Generated: 03/10/26 04:01:52. Forecast: 03/10/26 to 09/10/26. Timezone: UTC+2.00