Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 30

Waning Gibbous 86%

20:32

12:48

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
01 Bad
02 Bad

Sun - Rise: 07:42, Set: 19:22, Transit: 13:32. Moon - Rise: 20:32, Set: 12:48. Civil Dark: 19:55 - 07:09. Nautical Dark: 20:33 - 06:31. Astro Dark: 21:12 - 05:52

Total Clouds (% Sky Obscured)

80
78
86
98
79
71
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
6
7
23
52
0
0
0
4
0
0
13
7
5
32
56
68
76
72
79
89
84
90
86

Medium Clouds (% Sky Obscured)

7
16
40
65
66
22
42
43
100
100
100
92
96
100
100
99
100
100
95
99
100
98
100
49

High Clouds (% Sky Obscured)

66
71
80
79
61
51
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
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
5
7
6
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
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
5
4
2
5
3
1
2
5
8
4
10
43
65
85
82
89
95
95
89
95
76

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.6
0.5
0.3
0.8
0.5
0.3
0.6
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
20
20
20
19
19
20
22
23
25
25
25
25
25
25
23
21
20
20
20
19
19
18
17

Feels Like (°C)

17
16
17
16
16
16
17
19
20
22
23
23
24
24
23
21
21
20
20
19
19
20
18
17

Dew Point (°C)

8
8
8
7
8
7
9
10
11
12
12
12
13
14
14
16
18
18
18
18
18
19
17
16

Relative Humidity (%)

45
45
45
44
46
45
47
47
46
45
44
42
45
49
51
66
80
86
89
89
93
95
93
95

Pressure (mb)

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

Ozone (du)

277
274
273
272
270
270
269
269
269
270
270
270
270
271
271
272
272
272
273
273
273
274
275
275

Thursday 1

Waning Gibbous 77%

21:16

14:11

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 OK
21 Good
22 Good
23 Good
00 Good
01 OK
02 OK

Sun - Rise: 07:43, Set: 19:20, Transit: 13:32. Moon - Rise: 21:16, Set: 14:11. Civil Dark: 19:53 - 07:11. Nautical Dark: 20:31 - 06:32. Astro Dark: 21:10 - 05:53

Total Clouds (% Sky Obscured)

100
100
89
90
93
100
91
100
100
99
100
99
98
100
100
43
50
16
0
4
8
15
23
23

Low Clouds (% Sky Obscured)

79
65
65
60
70
58
37
80
33
22
31
35
44
51
33
43
50
16
0
4
7
13
14
13

Medium Clouds (% Sky Obscured)

58
43
89
82
72
100
59
64
80
88
95
44
3
0
0
3
0
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
60
33
50
84
81
100
100
95
100
98
96
100
100
0
0
0
0
0
0
0
2
6

ISS Passover

Visibility (miles)

4
9
8
9
8
9
9
7
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

Very Light Rain
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 (%)

51
24
26
42
29
25
39
24
3
2
3
3
20
18
6
9
3
6
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
16
16
16
15
15
15
15
17
17
17
18
18
18
17
18
19
16
15
16
15
14
13
13

Dew Point (°C)

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

Relative Humidity (%)

95
93
92
93
95
93
90
90
83
78
72
70
66
60
58
57
64
71
78
82
83
84
84
86

Pressure (mb)

1019
1019
1019
1020
1020
1021
1022
1023
1023
1024
1024
1024
1024
1024
1025
1025
1026
1027
1027
1028
1029
1029
1029
1030

Ozone (du)

275
276
276
277
278
278
278
278
279
279
280
282
283
286
286
288
291
297
302
299
294
291
290
288

Friday 2

Waning Gibbous 66%

22:16

15:21

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

Sun - Rise: 07:45, Set: 19:18, Transit: 13:31. Moon - Rise: 22:16, Set: 15:21. Civil Dark: 19:50 - 07:12. Nautical Dark: 20:29 - 06:34. Astro Dark: 21:08 - 05:55

Total Clouds (% Sky Obscured)

33
29
36
79
100
100
100
99
91
69
70
58
37
39
33
56
83
67
60
47
37
26
21
64

Low Clouds (% Sky Obscured)

14
15
18
16
15
10
6
3
10
17
16
14
11
4
0
0
2
1
1
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
55
56
50
20
23
7
1
35
33
40
13
14
26
31
20
9
0
6

High Clouds (% Sky Obscured)

14
9
13
67
100
100
100
97
54
40
43
46
37
39
33
56
41
35
23
10
12
13
20
64

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
87
87
88
87
87
83
76
68
62
54
48
45
44
44
49
53
56
58
61
62
65
65
65

Pressure (mb)

1030
1030
1030
1030
1031
1031
1032
1032
1032
1032
1032
1032
1031
1031
1030
1030
1030
1031
1031
1031
1031
1031
1030
1030

Ozone (du)

289
289
289
290
290
290
289
288
289
288
287
285
285
286
286
287
288
289
291
291
291
290
289
289

Saturday 3

Third Quarter 54%

23:32

16:14

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 OK
20 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 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)

82
97
91
83
79
84
93
100
100
100
100
100
100
100
78
53
20
37
49
62
76
87
90
99

Low Clouds (% Sky Obscured)

0
0
1
3
5
3
2
0
0
0
0
1
1
2
1
1
0
7
13
16
12
11
11
10

Medium Clouds (% Sky Obscured)

14
24
16
8
0
9
2
33
23
2
16
32
39
38
40
40
20
37
49
8
15
20
24
23

High Clouds (% Sky Obscured)

81
94
88
77
76
78
92
100
100
100
100
100
97
100
78
53
20
9
25
35
50
71
80
97

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
1
3
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
9
8
8
7
7
10
12
14
15
17
18
18
18
18
17
15
14
13
12
11
11
11
12

Dew Point (°C)

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

Relative Humidity (%)

65
66
67
70
73
77
76
69
63
58
53
51
48
48
48
53
59
65
69
74
76
77
79
80

Pressure (mb)

1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1029
1029
1029
1028
1028
1028
1028
1029
1029
1029
1029
1029
1029
1028

Ozone (du)

289
290
290
290
291
292
293
293
294
294
295
295
295
295
296
297
297
298
299
299
299
300
301
305

Sunday 4

Waning Crescent 42%

00:57

16:51

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 OK
17 OK
18 Good
19 Good
20 OK
21 OK
22 Bad
23 Bad
00 Bad
01 Bad
02 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
85
74
72
73
79
79
71
64
56
50
36
17
5
3
1
19
37
55
62
65
59
32

Low Clouds (% Sky Obscured)

11
11
13
14
16
19
22
25
27
24
22
17
16
17
5
3
1
6
6
5
2
1
0
0

Medium Clouds (% Sky Obscured)

28
32
32
36
36
37
37
33
31
32
30
24
18
13
5
3
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

99
100
60
19
0
0
0
0
0
0
0
1
2
3
2
1
0
16
31
47
52
54
43
24

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

Precipitation Probability (%)

11
10
23
27
14
30
37
38
33
31
26
46
39
20
19
12
1
1
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
12
12
12
12
11
12
14
15
16
16
17
17
18
18
17
16
15
14
13
13
12
12
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
83
84
84
84
86
79
70
62
55
51
49
47
45
44
47
51
55
56
57
59
61
62
64

Pressure (mb)

1028
1028
1028
1028
1028
1028
1029
1029
1029
1029
1029
1028
1028
1028
1028
1028
1028
1028
1028
1029
1029
1029
1029
1028

Ozone (du)

307
305
305
304
303
303
302
302
303
303
303
302
301
301
300
299
298
297
296
296
296
295
295
295

Monday 5

Waning Crescent 31%

02:23

17:17

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

19
8
21
38
53
37
23
4
6
8
12
21
30
39
28
18
10
10
10
11
12
13
15
12

Low Clouds (% Sky Obscured)

0
0
1
2
4
3
2
0
1
3
4
6
9
11
6
3
0
0
0
0
0
0
0
2

Medium 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

High Clouds (% Sky Obscured)

16
8
20
31
37
25
16
4
6
8
10
13
17
20
16
12
8
8
8
8
8
7
8
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 (%)

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)

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

Chance of Frost

Temperature (°C)

11
10
10
9
9
9
10
13
15
16
17
19
19
19
20
18
17
15
14
13
12
12
11
10

Feels Like (°C)

10
10
10
10
10
10
10
11
11
13
13
15
20
20
20
20
20
20
15
15
16
15
14
14

Dew Point (°C)

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

Relative Humidity (%)

65
67
68
67
68
67
60
55
50
48
47
46
45
46
45
50
55
60
63
65
67
70
71
72

Pressure (mb)

1028
1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1026
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023

Ozone (du)

294
292
291
289
288
286
284
283
281
280
279
278
277
276
275
274
273
272
273
273
273
273
273
273

Tuesday 6

Waning Crescent 21%

No Rise

17:36

Sun - Rise: 07:51, Set: 19:09, Transit: 13:30. Moon - Rise: No Rise, 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)

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: 30/09/26 03:35:09. Forecast: 30/09/26 to 06/10/26. Timezone: UTC+2.00