Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 25

Waxing Gibbous 74%

No Rise

03:21

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

Sun - Rise: 05:39, Set: 21:39, Transit: 13:39. Moon - Rise: No Rise, Set: 03:21. Civil Dark: 22:21 - 04:55. Nautical Dark: 23:22 - 03:54. Astro Dark: 01:24 - N/A

Total Clouds (% Sky Obscured)

1
1
2
2
2
1
1
1
1
1
1
1
0
20
0
0
0
0
0
0
0
0
0
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)

1
0
1
0
0
0
0
0
1
1
1
1
0
19
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 (%)

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

Chance of Frost

Temperature (°C)

29
29
29
28
27
25
22
21
19
18
18
17
17
16
16
16
18
21
23
25
27
28
30
30

Feels Like (°C)

29
29
30
29
28
26
23
22
20
19
19
18
18
17
16
17
19
22
24
26
29
30
32
32

Dew Point (°C)

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

Relative Humidity (%)

34
34
39
43
49
55
62
66
64
65
70
73
74
75
75
73
67
59
52
46
44
42
39
37

Pressure (mb)

1031
1030
1030
1030
1030
1030
1031
1031
1031
1030
1030
1030
1029
1029
1029
1029
1029
1029
1029
1028
1028
1027
1027
1026

Ozone (du)

314
313
313
313
313
313
314
314
314
315
316
316
315
314
315
314
314
316
317
317
317
318
316
314

Tuesday 26

Waxing Gibbous 82%

16:46

03:33

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

Sun - Rise: 05:38, Set: 21:40, Transit: 13:39. Moon - Rise: 16:46, Set: 03:33. Civil Dark: 22:23 - 04:54. Nautical Dark: 23:24 - 03:53. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

3
23
2
5
31
16
4
59
0
1
15
0
1
5
4
58
42
58
62
62
63
28
36
10

Low Clouds (% Sky Obscured)

3
21
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
4
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
4
8
15
22
34
17
24
7

High Clouds (% Sky Obscured)

0
2
2
4
27
15
4
59
0
1
15
0
1
5
4
1
1
2
4
1
1
2
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)

2
2
2
3
3
4
5
4
5
5
5
5
4
5
5
6
8
8
9
9
9
9
10
11

Chance of Frost

Temperature (°C)

31
31
31
30
29
27
25
23
21
20
19
18
17
16
16
16
17
18
20
21
22
24
25
26

Feels Like (°C)

33
33
33
33
32
29
26
24
21
20
19
18
19
17
17
17
18
19
20
21
23
24
25
26

Dew Point (°C)

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

Relative Humidity (%)

36
36
37
44
53
59
64
67
68
70
72
73
74
75
80
79
76
69
62
60
55
53
51
49

Pressure (mb)

1026
1025
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1026
1026
1026
1025
1025
1025

Ozone (du)

314
314
314
315
317
318
319
320
322
323
324
326
325
324
324
324
324
322
321
322
322
323
324
324

Wednesday 27

Waxing Gibbous 89%

17:59

03:47

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

Sun - Rise: 05:37, Set: 21:41, Transit: 13:39. Moon - Rise: 17:59, Set: 03:47. Civil Dark: 22:24 - 04:53. Nautical Dark: 23:26 - 03:51. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

1
10
22
0
2
0
0
0
0
0
0
0
24
0
0
12
6
8
0
5
23
6
30
50

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
2
3

Medium Clouds (% Sky Obscured)

0
9
18
0
1
0
0
0
0
0
0
0
19
0
0
6
3
4
0
1
9
2
2
7

High Clouds (% Sky Obscured)

0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
6
1
30
50

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)

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

Chance of Frost

Temperature (°C)

26
26
26
25
24
22
21
19
18
18
17
16
15
14
14
14
15
17
19
21
23
25
26
27

Feels Like (°C)

26
26
26
25
24
22
21
19
17
16
15
15
14
13
13
13
14
15
17
20
21
23
25
26

Dew Point (°C)

15
15
16
16
16
15
14
13
11
11
10
10
9
9
9
9
9
8
8
7
8
8
9
9

Relative Humidity (%)

49
50
54
57
60
64
66
66
63
63
65
66
68
70
72
73
65
55
47
41
36
34
33
33

Pressure (mb)

1025
1025
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024

Ozone (du)

324
326
327
327
327
328
330
331
332
333
333
333
333
333
332
332
332
334
335
338
340
340
339
338

Thursday 28

Waxing Gibbous 94%

19:12

04:03

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

Sun - Rise: 05:36, Set: 21:42, Transit: 13:40. Moon - Rise: 19:12, Set: 04:03. Civil Dark: 22:26 - 04:52. Nautical Dark: 23:28 - 03:49. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

71
64
56
46
60
82
91
61
44
40
43
13
7
7
10
9
15
28
33
56
61
79
76
71

Low Clouds (% Sky Obscured)

4
9
15
19
28
42
52
37
17
0
0
0
0
0
0
0
0
0
0
2
4
7
11
13

Medium Clouds (% Sky Obscured)

5
3
2
1
5
11
16
9
4
4
0
3
5
4
3
3
3
4
3
2
2
3
17
32

High Clouds (% Sky Obscured)

71
64
49
30
24
30
32
18
22
32
22
9
0
2
5
7
9
10
12
41
61
79
76
71

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
11
12
13
14
14
13
12
11
10
9
8
6
5
6
8
8
9
10
11
11
12
13
14

Relative Humidity (%)

33
35
37
43
48
52
53
53
55
57
56
54
51
49
51
55
52
48
47
45
44
42
42
44

Pressure (mb)

1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1022

Ozone (du)

336
336
339
340
339
336
334
333
333
333
334
336
341
338
333
332
333
333
333
334
334
335
336
335

Friday 29

Waxing Gibbous 98%

20:25

04:25

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 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:35, Set: 21:43, Transit: 13:40. Moon - Rise: 20:25, Set: 04:25. Civil Dark: 22:27 - 04:51. Nautical Dark: 23:30 - 03:48. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

80
82
74
75
93
96
99
87
70
55
62
73
83
89
93
98
72
63
62
60
63
65
70
71

Low Clouds (% Sky Obscured)

16
11
5
0
0
0
0
0
0
0
0
0
0
7
15
22
20
10
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

45
45
41
35
39
38
40
37
29
21
30
40
71
72
49
57
24
26
60
48
27
6
9
11

High Clouds (% Sky Obscured)

80
80
62
45
62
77
94
64
34
3
2
6
5
30
55
80
4
4
4
11
18
25
19
17

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
8
8
2
1
0
1
3
2
5
10
4
6
4
0
1
1
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
6
5
4
4
4
4
4
4
3
3
3
3
4
3
4
2
3
4
5
6
7
8
8

Chance of Frost

Temperature (°C)

28
28
27
27
26
24
22
21
21
20
19
19
18
18
18
18
20
21
23
24
25
27
28
28

Feels Like (°C)

29
29
29
29
28
25
23
22
21
20
20
19
19
18
18
19
21
21
22
22
23
24
25
30

Dew Point (°C)

15
15
15
15
16
16
16
15
15
15
15
14
14
14
14
14
14
14
15
15
15
15
15
15

Relative Humidity (%)

44
45
46
48
56
61
66
68
69
71
75
76
78
79
79
77
69
65
61
57
53
48
45
44

Pressure (mb)

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

Ozone (du)

333
331
329
327
326
326
327
326
326
327
328
329
329
329
330
330
330
331
332
333
334
335
336
338

Saturday 30

Waxing Gibbous 100%

21:36

04:54

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

Sun - Rise: 05:34, Set: 21:45, Transit: 13:40. Moon - Rise: 21:36, Set: 04:54. Civil Dark: 22:28 - 04:50. Nautical Dark: 23:32 - 03:46. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

73
50
32
14
12
12
12
21
36
55
69
73
77
84
89
92
86
77
70
74
80
86
83
79

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
5
6
4
2
1
20
40
53
45
42
38
45
46

Medium Clouds (% Sky Obscured)

13
9
4
1
0
0
0
13
24
36
49
60
71
79
85
91
69
47
26
26
32
38
31
26

High Clouds (% Sky Obscured)

11
13
10
6
6
5
2
3
0
0
0
0
5
6
11
12
13
11
7
27
43
60
43
26

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
7
5
7
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
4
16
37
44
51
34
16
1
28
36
13
17
13
7
15
15

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

29
28
28
28
29
24
24
24
23
23
22
17
17
16
16
16
16
15
16
16
16
17
17
20

Dew Point (°C)

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

Relative Humidity (%)

44
43
49
55
62
65
71
76
76
77
78
82
85
89
89
89
89
78
69
62
59
56
54
56

Pressure (mb)

1018
1017
1016
1016
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1016
1016
1016
1016
1016

Ozone (du)

339
341
342
343
344
344
345
345
346
346
347
345
342
340
341
343
344
347
349
351
353
355
357
354

Sunday 31

Full Moon 100%

22:41

05:33

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

Sun - Rise: 05:33, Set: 21:46, Transit: 13:40. Moon - Rise: 22:41, Set: 05:33. Civil Dark: 22:30 - 04:49. Nautical Dark: 23:34 - 03:45. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

72
75
80
84
83
82
77
52
27
2
19
37
54
60
68
76
86
94
99
99
99
99

Low Clouds (% Sky Obscured)

51
37
21
7
5
4
3
2
1
0
14
29
43
42
45
41
43
45
51
54
60
70

Medium Clouds (% Sky Obscured)

16
17
18
19
19
26
35
34
17
1
16
29
46
39
28
9
7
5
2
3
4
5

High Clouds (% Sky Obscured)

4
26
25
55
56
57
62
42
19
2
11
19
29
47
68
76
85
87
96
84
68
40

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
9

Fog (%)

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

Precipitation Probability (%)

13
16
13
5
7
4
0
0
0
0
19
35
48
42
33
15
14
12
17
22
28
32

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
13
12
12
11
10
8
7
7
7
7
7
7
6
7
7
8
8
10
11
11
11

Chance of Frost

Temperature (°C)

22
22
21
21
20
19
18
16
16
15
15
14
14
14
14
15
16
17
18
19
19
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
59
60
61
62
67
70
74
77
76
79
84
89
95
93
90
89
87
86
86
82
80

Pressure (mb)

1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

351
349
347
346
345
343
342
340
341
341
342
341
340
340
337
335
332
330
328
326
326
325

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

Generated: 25/05/26 16:54:36. Forecast: 25/05/26 to 31/05/26. Timezone: UTC+2.00