Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 22

Waxing Gibbous 63%

16:03

00:33

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

Sun - Rise: 05:57, Set: 21:42, Transit: 13:49. Moon - Rise: 16:03, Set: 00:33. Civil Dark: 22:24 - 05:15. Nautical Dark: 23:21 - 04:18. Astro Dark: 00:54 - 02:49

Total Clouds (% Sky Obscured)

80
100
95
90
98
100
100
100
97
97
96
91
71
42
30
5
24
51
69
78
70
72
73
77

Low Clouds (% Sky Obscured)

72
85
67
52
58
73
42
56
51
63
47
60
36
13
21
3
24
51
68
76
65
72
73
74

Medium Clouds (% Sky Obscured)

0
0
3
28
71
95
80
92
91
85
52
37
12
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

60
100
80
73
73
91
100
100
65
65
65
45
36
28
13
2
1
0
0
0
9
1
1
25

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 (%)

1
0
0
0
0
1
0
1
1
0
0
0
0
0
0
0
0
0
0
0
1
4
11
13

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

Chance of Frost

Temperature (°C)

15
16
18
19
20
21
22
22
22
22
21
20
19
18
16
15
14
14
13
14
14
14
13
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
72
62
49
42
43
41
44
47
52
55
57
59
61
69
76
82
86
83
78
73
71
71
71

Pressure (mb)

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

Ozone (du)

339
338
337
337
338
340
340
341
341
342
344
346
350
354
357
358
359
360
360
359
360
360
358
355

Thursday 23

Waxing Gibbous 72%

17:16

00:57

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

Sun - Rise: 05:58, Set: 21:41, Transit: 13:49. Moon - Rise: 17:16, Set: 00:57. Civil Dark: 22:22 - 05:17. Nautical Dark: 23:19 - 04:20. Astro Dark: 00:48 - 02:54

Total Clouds (% Sky Obscured)

96
100
95
67
78
87
96
95
65
60
54
45
52
17
16
6
5
6
3
2
2
3
20
39

Low Clouds (% Sky Obscured)

84
70
76
63
58
45
31
0
21
19
14
5
3
0
3
0
0
0
0
0
0
0
16
24

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
46
0
0
0
0
0
0
2
2
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

82
100
83
40
62
65
94
79
52
53
46
28
41
17
13
5
5
6
3
2
2
3
8
13

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 (%)

10
1
0
9
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
6
7
8
8
9
10
11
12
12
12
11
9
7
6
5
4
4
3
2
1
0
0

Chance of Frost

Temperature (°C)

15
16
17
19
20
21
23
23
24
23
22
21
19
18
16
15
14
14
13
13
12
12
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
72
66
55
49
41
36
35
34
35
38
41
48
58
69
75
80
84
86
89
89
89
88
89

Pressure (mb)

1023
1023
1023
1023
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021

Ozone (du)

353
350
346
343
341
338
335
333
331
329
327
325
324
322
321
320
318
318
318
318
319
318
320
321

Friday 24

Waxing Gibbous 80%

18:25

01:29

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 Good
02 OK
03 Bad
04 Bad
05 Bad
06 OK
07 Good

Sun - Rise: 05:59, Set: 21:39, Transit: 13:49. Moon - Rise: 18:25, Set: 01:29. Civil Dark: 22:21 - 05:18. Nautical Dark: 23:17 - 04:22. Astro Dark: 00:44 - 02:58

Total Clouds (% Sky Obscured)

51
70
91
71
55
56
81
72
60
80
93
89
100
94
85
76
51
13
30
52
79
50
25
0

Low Clouds (% Sky Obscured)

10
15
25
10
12
28
33
38
44
42
19
6
3
2
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
6
17
0
0
2
4
6
4
2
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

32
44
81
57
42
44
69
48
12
56
87
82
100
90
85
76
51
12
30
52
79
50
25
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)

1
2
3
5
5
5
6
6
6
6
6
6
6
5
4
3
3
2
2
2
2
2
2
3

Chance of Frost

Temperature (°C)

14
16
18
20
21
23
24
24
25
25
25
25
24
23
21
20
19
18
17
17
16
16
16
16

Feels Like (°C)

16
18
19
19
21
23
24
24
25
25
24
24
23
21
20
20
18
18
18
18
18
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

80
73
64
55
47
40
36
35
34
33
33
35
36
43
50
51
53
55
59
61
64
65
64
62

Pressure (mb)

1021
1021
1020
1020
1019
1018
1018
1017
1016
1016
1015
1014
1014
1014
1014
1013
1013
1013
1012
1012
1011
1011
1011
1011

Ozone (du)

321
321
321
321
322
322
323
323
324
324
324
324
324
323
323
324
325
327
329
331
333
334
333
334

Saturday 25

Waxing Gibbous 88%

19:26

02:13

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

Sun - Rise: 06:01, Set: 21:38, Transit: 13:49. Moon - Rise: 19:26, Set: 02:13. Civil Dark: 22:19 - 05:20. Nautical Dark: 23:15 - 04:24. Astro Dark: 00:39 - 03:03

Total Clouds (% Sky Obscured)

0
0
0
14
27
25
36
39
54
41
45
50
56
62
100
100
65
99
95
81
57
41
37
53

Low Clouds (% Sky Obscured)

0
0
0
0
1
1
1
0
0
4
7
10
8
6
4
2
1
51
42
19
15
13
13
31

Medium Clouds (% Sky Obscured)

0
0
0
14
27
25
36
39
54
41
45
50
50
55
55
55
54
99
91
72
44
41
37
53

High Clouds (% Sky Obscured)

0
0
0
1
3
1
16
30
54
41
45
50
48
33
63
74
36
45
33
19
7
4
2
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
8
16
3
11
18
23

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

Chance of Frost

Temperature (°C)

18
20
23
25
26
27
28
28
28
28
27
27
25
23
21
19
18
18
18
18
17
16
16
16

Feels Like (°C)

18
21
22
24
25
25
26
26
26
25
25
25
22
22
20
17
16
17
16
16
16
16
16
17

Dew Point (°C)

8
8
8
8
5
4
5
4
3
3
3
3
5
4
6
7
8
11
11
10
11
13
14
14

Relative Humidity (%)

54
46
39
34
26
23
23
21
21
20
21
21
26
29
36
44
52
63
64
62
71
81
86
86

Pressure (mb)

1010
1010
1010
1009
1009
1008
1007
1007
1006
1006
1006
1006
1006
1006
1006
1007
1006
1006
1006
1006
1006
1006
1006
1006

Ozone (du)

334
333
333
334
334
335
336
338
340
340
340
341
339
341
344
347
345
341
340
339
339
337
335
334

Sunday 26

Waxing Gibbous 93%

20:17

03:08

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 OK
05 OK
06 OK
07 Bad

Sun - Rise: 06:02, Set: 21:37, Transit: 13:49. Moon - Rise: 20:17, Set: 03:08. Civil Dark: 22:18 - 05:21. Nautical Dark: 23:13 - 04:26. Astro Dark: 00:34 - 03:07

Total Clouds (% Sky Obscured)

99
100
100
95
91
82
76
74
75
71
64
51
60
69
79
82
84
87
72
55
39
35
37
48

Low Clouds (% Sky Obscured)

92
97
100
95
88
75
61
54
45
43
39
33
44
58
74
81
84
87
72
55
33
24
17
9

Medium Clouds (% Sky Obscured)

54
54
55
48
41
34
37
34
31
37
41
43
30
24
23
19
15
10
6
4
1
3
5
25

High Clouds (% Sky Obscured)

0
0
0
0
0
0
5
10
25
23
17
0
0
0
0
0
0
0
1
2
2
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

41
50
56
49
39
39
53
44
35
33
32
30
30
27
24
22
22
22
20
14
5
7
7
1

Precipitation Amount (mm)

0
0.2
0.3
0.2
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
17
18
19
20
22
23
24
24
25
24
24
23
22
21
20
19
19
18
17
16
15
16
16

Feels Like (°C)

17
16
16
17
18
19
20
20
21
21
21
21
21
20
20
20
20
20
19
16
17
17
16
16

Dew Point (°C)

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

Relative Humidity (%)

76
73
71
61
51
40
33
32
31
30
31
32
33
39
47
57
63
70
77
78
79
80
77
73

Pressure (mb)

1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1009
1009
1010
1010
1010
1011
1011
1012
1012
1013
1014

Ozone (du)

333
333
332
331
331
330
331
331
332
333
334
335
336
336
335
335
336
337
338
338
339
339
338
337

Monday 27

Waxing Gibbous 97%

20:56

04:14

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

Sun - Rise: 06:03, Set: 21:35, Transit: 13:49. Moon - Rise: 20:56, Set: 04:14. Civil Dark: 22:16 - 05:23. Nautical Dark: 23:11 - 04:29. Astro Dark: 00:30 - 03:11

Total Clouds (% Sky Obscured)

53
60
68
72
66
57
61
62
56
48
39
35
34
28
28
20
18
11
11
10
12
11
11
11

Low Clouds (% Sky Obscured)

18
21
27
24
27
19
15
9
5
2
2
0
1
2
3
2
1
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

31
32
33
22
10
0
7
13
20
18
19
22
24
27
28
19
15
11
11
10
12
11
11
11

High 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

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 (%)

4
4
1
1
1
0
0
0
0
1
2
0
0
0
0
0
0
0
0
0
0
0
1
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
9
9
10
11
12
13
12
12
12
11
9
8
4
2
4
4
5
7
7
7
7
7
6

Chance of Frost

Temperature (°C)

16
17
19
20
22
23
24
24
25
25
24
24
23
22
20
19
18
18
17
17
16
16
16
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
60
53
45
41
37
33
32
31
30
31
31
32
35
40
44
47
52
57
61
63
66
65
64

Pressure (mb)

1015
1015
1016
1016
1017
1017
1017
1017
1018
1018
1018
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

337
336
336
335
334
333
332
330
329
328
327
326
325
325
325
325
324
323
323
322
322
321
321
322

Tuesday 28

Waxing Gibbous 100%

21:25

05:27

Sun - Rise: 06:05, Set: 21:34, Transit: 13:49. Moon - Rise: 21:25, Set: 05:27. Civil Dark: 22:14 - 05:25. Nautical Dark: 23:09 - 04:31. Astro Dark: 00:26 - 03:15

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: 22/07/26 08:34:39. Forecast: 22/07/26 to 28/07/26. Timezone: UTC+2.00