Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 24

Waxing Gibbous 64%

14:19

02:57

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

Sun - Rise: 05:41, Set: 21:37, Transit: 13:39. Moon - Rise: 14:19, Set: 02:57. Civil Dark: 22:20 - 04:58. Nautical Dark: 23:20 - 03:58. Astro Dark: 01:12 - 01:54

Total Clouds (% Sky Obscured)

2
2
4
10
34
41
45
40
10
3
0
0
3
3
37
49
24
0
0
0
0
0
0
2

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
1
1
0
0
0
0
3
9
6
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
2
0
0
2
2
3
1
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
2
2
3
21
41
45
36
10
3
0
0
3
3
37
44
23
0
0
0
0
0
0
2

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

Chance of Frost

Temperature (°C)

18
17
17
16
15
15
17
19
21
23
25
26
27
28
28
28
28
27
26
24
22
20
19
18

Feels Like (°C)

20
20
19
18
17
16
18
19
22
24
26
28
29
29
29
29
29
28
28
25
23
22
21
19

Dew Point (°C)

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

Relative Humidity (%)

83
82
82
82
85
83
78
72
68
63
58
55
52
50
49
49
51
56
64
69
70
76
80
78

Pressure (mb)

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

Ozone (du)

323
324
324
323
322
320
318
316
315
315
315
314
314
315
315
316
317
319
320
318
317
315
312
311

Monday 25

Waxing Gibbous 74%

15:33

03:09

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

Sun - Rise: 05:40, Set: 21:39, Transit: 13:39. Moon - Rise: 15:33, Set: 03:09. Civil Dark: 22:21 - 04:57. Nautical Dark: 23:22 - 03:56. Astro Dark: 01:24 - N/A

Total Clouds (% Sky Obscured)

0
2
1
0
0
0
0
0
2
2
3
1
2
1
1
0
0
0
0
1
1
1
1
2

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

High Clouds (% Sky Obscured)

0
2
1
0
0
0
0
0
1
1
1
1
2
1
1
0
0
0
0
0
1
1
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
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)

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

Chance of Frost

Temperature (°C)

17
16
16
15
15
15
17
20
22
24
26
27
28
29
29
29
28
28
26
24
22
20
19
18

Feels Like (°C)

17
16
16
16
15
15
17
19
22
24
26
27
28
29
29
29
29
29
27
25
23
21
20
18

Dew Point (°C)

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

Relative Humidity (%)

78
77
73
73
74
74
70
61
56
51
48
44
42
39
39
40
44
47
55
62
68
67
67
69

Pressure (mb)

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

Ozone (du)

311
311
311
310
309
309
310
312
312
311
311
311
312
312
313
314
314
315
314
314
315
314
314
312

Tuesday 26

Waxing Gibbous 82%

16:46

03:21

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

Sun - Rise: 05:39, Set: 21:40, Transit: 13:39. Moon - Rise: 16:46, Set: 03:21. Civil Dark: 22:23 - 04:55. Nautical Dark: 23:24 - 03:54. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

1
1
1
1
1
1
0
0
2
2
1
2
3
2
2
2
3
1
1
1
2
1
1
0

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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
1
1
1
2
1
1
0
2
1
1
1
2
1
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)

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

Chance of Frost

Temperature (°C)

17
17
16
16
15
16
18
21
23
25
27
28
29
30
30
30
30
29
28
25
23
21
20
19

Feels Like (°C)

18
18
17
16
16
16
18
22
24
26
28
29
30
31
31
31
31
31
29
27
25
23
21
21

Dew Point (°C)

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

Relative Humidity (%)

71
73
73
74
75
74
68
62
57
54
49
43
40
39
38
39
43
47
54
60
63
68
70
73

Pressure (mb)

1030
1030
1030
1029
1029
1029
1029
1029
1029
1029
1029
1028
1028
1027
1026
1026
1025
1025
1025
1025
1025
1026
1026
1026

Ozone (du)

312
312
312
313
313
313
312
311
311
310
310
311
311
310
311
312
313
313
313
315
316
317
318
319

Wednesday 27

Waxing Gibbous 89%

17:59

03:33

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

Sun - Rise: 05:38, Set: 21:41, Transit: 13:39. Moon - Rise: 17:59, Set: 03:33. Civil Dark: 22:24 - 04:54. Nautical Dark: 23:26 - 03:53. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

3
5
8
19
34
41
27
15
0
0
1
1
0
0
0
5
11
15
11
6
1
1
0
0

Low Clouds (% Sky Obscured)

3
5
8
18
24
32
21
11
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
3
6
8
6
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
11
15
11
6
1
1
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
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)

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

Chance of Frost

Temperature (°C)

18
17
16
15
15
16
16
17
18
20
21
22
23
24
24
24
24
23
22
20
18
17
16
15

Feels Like (°C)

19
18
17
16
16
16
16
17
18
19
21
21
23
24
23
24
23
22
21
19
17
16
15
13

Dew Point (°C)

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

Relative Humidity (%)

77
79
82
85
87
85
77
70
65
59
55
53
51
50
50
51
53
55
57
62
61
60
61
62

Pressure (mb)

1026
1026
1026
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1026
1026
1025
1025
1025
1025
1025
1025
1026
1026
1026

Ozone (du)

319
318
318
319
319
320
322
323
324
324
325
325
326
325
326
327
328
329
330
331
333
333
334
333

Thursday 28

Waxing Gibbous 94%

19:12

03:47

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

Sun - Rise: 05:37, Set: 21:42, Transit: 13:39. Moon - Rise: 19:12, Set: 03:47. Civil Dark: 22:26 - 04:53. Nautical Dark: 23:28 - 03:51. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
2
5
8
7
5
4
4
4
4
7
10
13
8
4
0
3
7
10
24
42
60

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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2

High Clouds (% Sky Obscured)

0
0
0
2
5
8
7
5
4
4
4
4
7
10
13
8
4
0
3
6
9
24
39
55

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

Chance of Frost

Temperature (°C)

14
13
12
11
11
12
13
15
17
18
20
21
23
23
23
24
23
22
21
20
18
16
15
15

Feels Like (°C)

12
12
11
10
10
10
12
13
15
17
18
20
21
21
21
22
22
22
22
20
19
19
18
17

Dew Point (°C)

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

Relative Humidity (%)

64
68
70
71
73
72
65
57
48
41
36
33
31
32
32
32
36
40
45
48
51
54
54
55

Pressure (mb)

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

Ozone (du)

331
330
331
332
333
334
334
335
337
338
339
340
342
343
345
346
346
345
345
343
340
338
337
335

Friday 29

Waxing Gibbous 98%

20:25

04:03

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

Sun - Rise: 05:36, Set: 21:43, Transit: 13:40. Moon - Rise: 20:25, Set: 04:03. Civil Dark: 22:27 - 04:52. Nautical Dark: 23:30 - 03:49. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

64
64
71
60
53
47
44
50
54
55
53
48
49
50
56
66
72
82
81
78
80
79
75
75

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
11
22
31
22
16
11
10
12
19
18
17
22
21
19
13
12
8
4

Medium Clouds (% Sky Obscured)

4
2
4
5
5
6
4
2
0
1
3
3
4
5
7
7
7
7
4
4
10
7
5
0

High Clouds (% Sky Obscured)

64
64
71
46
19
7
18
28
34
43
53
48
49
50
56
66
72
82
81
78
80
79
75
75

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
4
4
4
4
5
5
6
6
6
6
6
7
8
7
7
6
5
3
2
2
2

Chance of Frost

Temperature (°C)

14
13
13
13
14
15
16
18
20
21
23
24
25
26
26
26
26
25
24
22
20
18
18
17

Feels Like (°C)

17
13
13
13
13
13
13
16
17
17
18
18
19
27
27
27
27
27
27
24
23
23
22
21

Dew Point (°C)

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

Relative Humidity (%)

56
58
58
60
58
56
56
50
44
40
38
36
35
35
34
34
39
43
48
53
57
62
63
66

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1022
1022
1022
1021

Ozone (du)

334
333
332
331
330
329
328
331
335
338
338
339
340
341
343
344
345
346
347
347
347
348
347
346

Saturday 30

Waxing Gibbous 100%

21:36

04:25

Sun - Rise: 05:35, Set: 21:45, Transit: 13:40. Moon - Rise: 21:36, Set: 04:25. Civil Dark: 22:28 - 04:51. Nautical Dark: 23:32 - 03:48. Astro Dark: N/A - N/A

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: 24/05/26 02:09:36. Forecast: 24/05/26 to 30/05/26. Timezone: UTC+2.00