Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 14

Waning Gibbous 80%

23:44

11:04

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

Sun - Rise: 05:47, Set: 21:51, Transit: 13:48. Moon - Rise: 23:44, Set: 11:04. Civil Dark: 22:34 - 05:04. Nautical Dark: 23:36 - 04:02. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

48
69
73
99
100
100
95
100
67
63
50
47
48
57
67
92
100
94
100
100
99
96
87
99

Low Clouds (% Sky Obscured)

2
22
51
74
78
57
25
25
20
33
48
46
48
57
67
74
46
5
30
28
12
0
0
0

Medium Clouds (% Sky Obscured)

34
69
73
99
100
100
95
82
32
32
0
0
0
0
0
31
50
45
35
35
35
38
35
29

High Clouds (% Sky Obscured)

10
10
10
3
22
86
10
0
0
0
0
0
0
0
0
20
20
13
1
1
1
1
6
82

ISS Passover

Visibility (miles)

9
9
9
9
9
9
4
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
19
52
37
7
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
6
8
8
9
11
6
6
8
8
7
9
10
11
11
12
13
13
13
14
13
14
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
20
18
18
17
14
16
15
14
15
15
16
16
17
18
18
16
17
17
17
17
17
17
16

Dew Point (°C)

12
12
11
12
12
9
14
14
13
13
13
13
12
11
8
6
5
6
4
2
2
5
4
6

Relative Humidity (%)

51
59
57
63
64
57
85
86
85
89
87
83
75
63
48
39
35
37
31
28
28
34
34
41

Pressure (mb)

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

Ozone (du)

329
329
331
332
330
333
335
337
342
347
348
344
343
343
343
339
337
340
342
342
341
340
340
343

Tuesday 15

Waning Gibbous 71%

23:57

12:26

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:48, Set: 21:50, Transit: 13:48. Moon - Rise: 23:57, Set: 12:26. Civil Dark: 22:33 - 05:05. Nautical Dark: 23:34 - 04:04. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

96
100
100
81
89
80
66
61
84
65
76
71
65
76
71
80
95
82
81
77
72
64
56
50

Low Clouds (% Sky Obscured)

0
0
13
0
41
51
54
57
60
62
66
52
41
45
51
61
59
54
58
46
57
51
51
47

Medium Clouds (% Sky Obscured)

36
76
72
81
83
68
41
0
14
8
3
5
7
14
16
31
50
40
38
39
15
13
0
0

High Clouds (% Sky Obscured)

90
100
100
2
9
3
3
0
0
0
0
0
0
0
1
11
0
0
0
0
0
0
0
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
7
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
3
7
20
16
9
19
28
31
25
32
29
26
13
17
9
17
16
15
2
0
11
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)

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

Chance of Frost

Temperature (°C)

19
18
18
17
17
17
16
16
15
15
15
16
17
18
19
20
20
20
21
21
21
21
21
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

48
53
57
61
65
72
75
77
78
85
86
82
76
69
64
59
54
52
56
56
53
51
53
55

Pressure (mb)

1015
1015
1015
1015
1014
1014
1014
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1016

Ozone (du)

344
339
340
340
339
340
343
345
345
346
345
343
340
337
334
330
328
328
326
326
324
323
323
320

Wednesday 16

Waning Gibbous 60%

00:10

13:49

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

Sun - Rise: 05:49, Set: 21:49, Transit: 13:48. Moon - Rise: 00:10, Set: 13:49. Civil Dark: 22:32 - 05:06. Nautical Dark: 23:33 - 04:06. Astro Dark: N/A - 02:07

Total Clouds (% Sky Obscured)

56
10
5
5
40
16
38
41
37
44
52
83
85
78
69
82
86
73
71
69
54
38
23
10

Low Clouds (% Sky Obscured)

47
0
0
0
0
0
31
41
37
44
44
57
52
40
44
66
54
47
42
37
26
14
7
4

Medium Clouds (% Sky Obscured)

0
0
0
0
22
10
8
2
0
5
10
7
16
26
23
16
29
26
20
15
16
38
23
10

High Clouds (% Sky Obscured)

5
5
0
0
5
0
1
1
1
1
2
18
14
15
4
3
9
7
8
10
10
15
13
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 (%)

1
1
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

19
17
16
15
14
14
13
13
12
12
13
15
17
19
20
22
23
24
24
25
26
25
25
24

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
68
75
82
84
86
86
87
89
89
86
75
65
55
48
41
37
32
29
28
27
27
33
40

Pressure (mb)

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

Ozone (du)

319
320
319
318
316
314
310
310
311
312
312
312
311
311
310
309
310
310
310
310
309
307
306
304

Thursday 17

Waning Gibbous 48%

00:24

15:15

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

Sun - Rise: 05:50, Set: 21:48, Transit: 13:48. Moon - Rise: 00:24, Set: 15:15. Civil Dark: 22:30 - 05:08. Nautical Dark: 23:31 - 04:08. Astro Dark: 01:29 - 02:18

Total Clouds (% Sky Obscured)

12
14
13
8
20
51
70
73
73
75
97
100
100
100
89
100
100
82
67
59
54
50
50
50

Low Clouds (% Sky Obscured)

2
2
0
1
0
0
0
0
0
0
0
4
8
11
10
11
12
14
14
15
16
21
33
8

Medium Clouds (% Sky Obscured)

12
7
8
6
6
4
4
4
1
0
0
10
22
30
25
11
0
35
21
45
38
33
40
3

High Clouds (% Sky Obscured)

1
4
1
3
8
34
62
73
73
75
97
100
100
100
89
100
100
68
37
5
5
5
5
5

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
7
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
12
18
30

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)

7
6
4
3
3
3
3
3
3
3
3
3
3
4
2
2
2
2
1
1
1
2
2
5

Chance of Frost

Temperature (°C)

22
20
18
17
17
16
15
15
14
15
16
17
19
21
23
25
26
28
28
29
29
29
28
27

Feels Like (°C)

21
19
18
17
17
15
15
14
16
16
17
17
18
20
23
26
26
28
29
29
29
29
28
27

Dew Point (°C)

9
9
8
8
8
8
8
8
9
10
11
10
11
11
11
11
11
12
12
12
12
12
13
14

Relative Humidity (%)

44
48
51
53
55
59
62
66
71
75
73
64
58
51
44
40
38
36
36
34
34
34
38
44

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1013
1013
1012
1011
1011
1011
1010

Ozone (du)

303
302
302
302
302
304
306
309
313
314
314
315
317
320
318
317
317
318
319
319
319
320
321
325

Friday 18

Third Quarter 36%

00:41

16:44

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:52, Set: 21:47, Transit: 13:48. Moon - Rise: 00:41, Set: 16:44. Civil Dark: 22:29 - 05:09. Nautical Dark: 23:29 - 04:10. Astro Dark: 01:19 - 02:26

Total Clouds (% Sky Obscured)

50
42
60
77
100
96
92
88
78
67
57
100
100
100
100
100
100
97
95
92
76
61
43
54

Low Clouds (% Sky Obscured)

6
0
1
0
0
1
2
35
30
16
3
13
23
21
32
40
53
53
54
53
47
39
32
22

Medium Clouds (% Sky Obscured)

3
4
5
5
53
34
44
40
40
53
51
91
93
97
78
58
36
41
45
51
45
40
33
32

High Clouds (% Sky Obscured)

0
0
33
67
100
95
90
85
64
43
23
100
100
100
100
100
100
73
48
22
19
11
3
19

ISS Passover

Visibility (miles)

9
9
9
9
9
6
9
9
9
9
9
9
9
9
9
7
5
2
5
7
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

61
39
15
9
43
46
4
1
18
21
6
19
19
18
20
24
30
49
58
62
53
41
22
35

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
4
5
4
4
2
3
2
2
2
3
3
3
5
6
6
6
6
7
9
11
10
9
9

Chance of Frost

Temperature (°C)

25
22
20
20
19
19
18
19
19
19
19
20
20
21
22
22
23
24
23
21
20
20
20
21

Feels Like (°C)

24
22
20
20
19
20
19
20
21
20
20
21
21
21
21
22
22
22
25
24
23
22
21
21

Dew Point (°C)

15
15
15
16
15
15
16
15
15
15
16
16
16
16
17
16
16
16
16
17
18
17
17
17

Relative Humidity (%)

52
65
72
77
77
77
83
80
75
76
81
81
79
75
73
68
64
59
67
76
88
84
82
79

Pressure (mb)

1010
1011
1011
1010
1010
1010
1009
1008
1008
1008
1008
1007
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

325
326
327
328
327
327
325
327
326
327
328
328
329
330
331
332
334
335
337
338
340
338
337
336

Saturday 19

Waning Crescent 25%

01:04

18:13

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:53, Set: 21:45, Transit: 13:49. Moon - Rise: 01:04, Set: 18:13. Civil Dark: 22:28 - 05:11. Nautical Dark: 23:27 - 04:12. Astro Dark: 01:11 - 02:33

Total Clouds (% Sky Obscured)

67
79
80
81
80
82
84
86
74
63
50
62
74
87
91
95
99
99
100
100
99
98
97
95

Low Clouds (% Sky Obscured)

13
5
14
18
24
34
40
46
38
31
25
30
37
45
50
57
66
62
50
45
44
40
40
42

Medium Clouds (% Sky Obscured)

31
31
35
41
46
45
46
46
31
16
2
2
3
6
24
43
60
72
85
96
79
62
45
36

High Clouds (% Sky Obscured)

35
48
45
41
39
46
53
59
41
23
6
22
39
59
52
47
40
51
63
55
77
66
79
71

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

50
57
53
49
30
21
10
0
0
0
0
3
6
13
29
40
48
42
30
8
18
28
43
53

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
88
92
93
93
93
93
95
95
93
90
89
78
71
63
67
69
74
69
67
63
66
69
72

Pressure (mb)

1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

336
337
337
340
342
344
344
343
343
338
333
328
328
328
328
330
332
334
336
338
340
341
343
344

Sunday 20

Waning Crescent 15%

01:37

19:34

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

Sun - Rise: 05:54, Set: 21:44, Transit: 13:49. Moon - Rise: 01:37, Set: 19:34. Civil Dark: 22:26 - 05:12. Nautical Dark: 23:25 - 04:14. Astro Dark: 01:04 - 02:39

Total Clouds (% Sky Obscured)

93
88
91
95
98
99
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

44
47
57
67
77
73
69
66
61
59
52
55
57
61
55
51
50

Medium Clouds (% Sky Obscured)

35
35
50
51
56
60
69
70
61
39
21
17
13
11
33
55
77

High Clouds (% Sky Obscured)

62
57
63
60
56
50
60
69
59
46
39
61
83
98
99
100
100

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

60
57
86
95
95
95
95
95
95
95
95
80
57
44
33
28
27

Precipitation Amount (mm)

0.3
0.2
0.6
0.8
0.7
1
1.2
1.5
0.9
0.6
0.6
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

8
7
6
6
5
5
5
6
6
6
5
5
6
9
11
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
16
16
16
17
16
15
15
16
15
15
15
15
16
16
16
17

Dew Point (°C)

13
14
13
13
13
13
14
14
14
14
15
15
14
14
13
13
13

Relative Humidity (%)

72
74
76
77
78
79
82
85
87
89
90
92
82
72
63
62
62

Pressure (mb)

1009
1009
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1009

Ozone (du)

344
345
345
345
344
344
343
341
340
337
334
330
327
323
320
318
316

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

Generated: 14/07/25 21:30:15. Forecast: 14/07/25 to 20/07/25. Timezone: UTC+2.00