Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 13

Waning Gibbous 89%

23:29

No Set

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

Sun - Rise: 05:47, Set: 21:49, Transit: 13:48. Moon - Rise: 23:29, Set: No Set. Civil Dark: 22:32 - 05:05. Nautical Dark: 23:33 - 04:04. Astro Dark: N/A - 02:01

Total Clouds (% Sky Obscured)

90
76
71
53
51
49
41
46
32
0
0
0
0
3
0
55
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

49
31
28
32
36
29
16
17
17
0
0
0
0
3
0
0
44
13
15
15
32
1
40
34

Medium Clouds (% Sky Obscured)

35
32
30
36
37
36
35
40
23
0
0
0
0
0
0
0
28
55
81
100
100
100
91
89

High Clouds (% Sky Obscured)

1
4
1
1
0
1
0
0
0
0
0
0
0
0
0
55
98
100
100
100
100
100
100
98

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
1
6
6
13
31
9
20
11

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
6
7
8
8
9
9
9
9
9
7
6
5
4
4
4
3
3
3
6
6
3
6

Chance of Frost

Temperature (°C)

17
19
20
22
23
24
25
25
26
26
25
24
23
21
20
19
18
18
17
18
18
18
18
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
60
52
45
40
37
34
32
31
32
39
53
64
71
76
80
79
79
73
60
50
57
69
69

Pressure (mb)

1012
1012
1012
1012
1012
1011
1011
1010
1010
1010
1010
1010
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1013

Ozone (du)

340
339
340
340
342
344
346
346
345
342
334
329
329
325
322
317
316
316
319
319
320
321
324
328

Monday 14

Waning Gibbous 80%

23:43

09:44

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 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:48, Set: 21:48, Transit: 13:48. Moon - Rise: 23:43, Set: 09:44. Civil Dark: 22:31 - 05:06. Nautical Dark: 23:31 - 04:06. Astro Dark: 01:34 - 02:14

Total Clouds (% Sky Obscured)

93
79
67
84
59
57
84
50
98
100
100
95
84
100
100
87
100
100
96
97
78
54
59
59

Low Clouds (% Sky Obscured)

64
77
56
58
57
41
68
28
72
1
36
1
0
0
0
20
40
77
66
58
35
54
59
59

Medium Clouds (% Sky Obscured)

64
37
23
42
14
51
29
12
33
16
19
8
12
26
37
58
100
99
92
92
57
10
0
0

High Clouds (% Sky Obscured)

27
0
0
0
0
0
0
6
69
100
100
92
83
100
100
55
100
3
1
23
15
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
None
None
None
None
None

Precipitation Probability (%)

28
31
48
17
15
11
12
4
0
0
0
0
0
0
0
0
5
43
76
53
22
14
3
0

Precipitation Amount (mm)

0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0
0
0
0
0

Wind Speed/Direction (mph)

11
10
10
11
12
17
11
12
13
10
10
9
6
4
3
2
3
7
9
6
7
7
8
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
20
21
21
22
21
23
24
23
24
23
22
21
20
18
17
18
16
14
13
13
13
13
13

Dew Point (°C)

14
13
10
9
9
13
13
12
16
13
11
11
11
10
9
9
9
9
11
11
11
11
11
11

Relative Humidity (%)

70
61
51
45
42
51
49
42
56
46
40
43
49
53
52
55
57
57
72
78
78
78
79
78

Pressure (mb)

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

Ozone (du)

330
329
325
321
320
321
321
321
322
324
322
324
323
323
327
326
326
325
324
325
327
329
339
350

Tuesday 15

Waning Gibbous 71%

23:57

11:04

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 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:50, Set: 21:47, Transit: 13:48. Moon - Rise: 23:57, Set: 11:04. Civil Dark: 22:30 - 05:07. Nautical Dark: 23:30 - 04:08. Astro Dark: 01:22 - 02:22

Total Clouds (% Sky Obscured)

47
47
60
64
88
88
93
87
100
77
70
71
87
67
77
81
71
70
73
76
86
88
89
92

Low Clouds (% Sky Obscured)

44
47
34
49
47
67
62
19
26
3
2
9
10
4
31
19
29
37
49
66
73
72
67
71

Medium Clouds (% Sky Obscured)

0
0
33
31
36
34
34
32
45
34
35
32
23
24
21
21
17
14
12
13
71
88
74
18

High Clouds (% Sky Obscured)

0
0
0
6
10
20
15
15
23
12
2
2
24
4
2
1
0
1
1
1
4
15
25
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 (%)

0
0
0
0
0
0
0
0
0
0
0
3
0
1
2
4
10
22
31
39
36
32
31
41

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
8
7
6
5
5
4
3
2
3
4
7
8
9
10
10
11
12
12
13
12
12
12
12

Relative Humidity (%)

65
53
46
41
36
33
32
29
27
28
32
42
47
54
61
65
69
75
80
86
87
83
82
80

Pressure (mb)

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

Ozone (du)

346
347
346
339
335
333
332
331
333
332
334
334
334
335
335
338
339
338
338
339
338
333
332
334

Wednesday 16

Waning Gibbous 60%

00:10

12:25

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

Sun - Rise: 05:51, Set: 21:46, Transit: 13:48. Moon - Rise: 00:10, Set: 12:25. Civil Dark: 22:29 - 05:09. Nautical Dark: 23:28 - 04:10. Astro Dark: 01:14 - 02:29

Total Clouds (% Sky Obscured)

96
100
93
87
77
88
88
92
80
68
49
35
28
39
46
42
45
33
61
65
70
79
86
81

Low Clouds (% Sky Obscured)

76
81
76
72
68
74
80
86
71
56
41
34
28
22
26
31
33
33
34
34
39
46
50
41

Medium Clouds (% Sky Obscured)

22
24
23
13
12
16
21
26
25
23
14
9
5
0
0
1
13
3
2
45
37
34
50
48

High Clouds (% Sky Obscured)

20
25
1
13
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
0
5
5
3

ISS Passover

Visibility (miles)

9
8
6
6
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
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

59
69
75
53
17
10
9
6
4
7
10
0
0
0
0
0
0
0
0
0
0
0
2
4

Precipitation Amount (mm)

0
0.3
0.5
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)

16
16
17
19
19
20
19
20
18
17
15
13
10
7
5
5
5
6
6
6
6
6
6
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
14
14
14
9
4
7
8
8
9
11
11
10
11
11
10
10
10
10
11
11
11
11
12

Relative Humidity (%)

82
87
89
79
51
33
41
44
44
48
56
56
60
71
74
75
76
79
83
89
87
89
84
78

Pressure (mb)

1014
1014
1014
1014
1014
1014
1015
1015
1015
1016
1016
1017
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

333
334
335
332
329
328
326
326
325
323
320
318
317
315
314
312
311
312
311
310
310
310
310
310

Thursday 17

Waning Gibbous 48%

00:24

13:48

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 OK
01 OK
02 OK
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:52, Set: 21:45, Transit: 13:48. Moon - Rise: 00:24, Set: 13:48. Civil Dark: 22:27 - 05:10. Nautical Dark: 23:26 - 04:12. Astro Dark: 01:07 - 02:35

Total Clouds (% Sky Obscured)

77
69
72
83
89
85
86
84
74
69
57
87
74
65
54
44
33
41
52
63
80
92
97
89

Low Clouds (% Sky Obscured)

37
33
46
61
80
78
77
67
54
27
11
13
13
13
9
4
0
0
0
0
1
1
1
1

Medium Clouds (% Sky Obscured)

40
45
40
45
55
39
25
22
4
2
0
48
33
19
26
28
28
30
27
25
21
22
9
8

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
4
5
5
84
74
65
54
33
0
1
6
11
18
20
15
10

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
17
25
34
9
16
1
1
0
0
0
4
2
0
0
0
0
0
0
0
0
2
1
4

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
7
8
9
9
9
9
8
7
6
3
3
4
4
3
3
2
2
2
2
1
1

Chance of Frost

Temperature (°C)

18
19
21
22
21
20
21
22
23
23
23
23
20
19
17
16
15
15
14
14
14
15
16
17

Feels Like (°C)

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

Dew Point (°C)

13
13
13
12
13
15
15
13
12
11
11
11
11
12
12
12
12
13
12
12
12
12
12
12

Relative Humidity (%)

74
69
61
54
62
70
68
55
50
46
45
48
56
64
74
78
82
87
86
86
84
80
75
70

Pressure (mb)

1019
1019
1019
1019
1018
1018
1018
1018
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017

Ozone (du)

311
310
308
310
312
315
316
315
313
313
312
310
307
305
302
303
304
305
305
305
305
305
306
306

Friday 18

Third Quarter 36%

00:42

15:13

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 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:53, Set: 21:44, Transit: 13:48. Moon - Rise: 00:42, Set: 15:13. Civil Dark: 22:26 - 05:12. Nautical Dark: 23:24 - 04:14. Astro Dark: 01:01 - 02:40

Total Clouds (% Sky Obscured)

81
73
79
85
90
94
97
98
89
82
74
72
82
83
88
92
96
97
99
100
99
99
98
94

Low Clouds (% Sky Obscured)

0
0
3
4
5
9
13
19
14
8
2
5
9
15
19
24
28
25
24
19
14
7
0
0

Medium Clouds (% Sky Obscured)

7
10
15
20
25
42
61
80
68
55
42
36
30
23
21
17
13
36
59
82
75
68
63
66

High Clouds (% Sky Obscured)

5
0
22
43
65
77
88
98
89
82
74
72
68
66
62
73
85
88
92
96
96
95
94
79

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 (%)

6
7
2
0
0
0
0
0
0
0
0
0
0
0
3
5
5
14
16
9
18
14
8
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)

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

Chance of Frost

Temperature (°C)

19
21
23
24
25
26
26
27
27
27
26
26
24
23
21
21
20
20
20
19
19
20
20
20

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
12
12
12
12
12
12
12
13
12
12
11
11
11
11
11
12
12
12
11
10

Relative Humidity (%)

62
55
48
45
42
40
39
38
38
39
41
43
47
50
52
54
55
56
58
61
63
59
55
51

Pressure (mb)

1017
1017
1017
1016
1016
1016
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013

Ozone (du)

309
311
314
316
317
319
320
321
322
322
323
323
323
323
323
322
321
320
321
321
322
322
321
321

Saturday 19

Waning Crescent 34%

01:06

16:41

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

Sun - Rise: 05:54, Set: 21:43, Transit: 13:48. Moon - Rise: 01:06, Set: 16:41. Civil Dark: 22:25 - 05:13. Nautical Dark: 23:22 - 04:16. Astro Dark: 00:56 - 02:45

Total Clouds (% Sky Obscured)

90
85
75
65
55
50
44
42
63
82
97
97
98
99
99
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
1
9
14
19
15
13
11

Medium Clouds (% Sky Obscured)

71
74
70
65
55
50
41
37
30
23
15
14
10
6
5
4
3

High Clouds (% Sky Obscured)

63
50
44
44
53
50
44
42
63
82
90
93
96
99
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

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

Precipitation Probability (%)

12
0
1
2
1
6
5
2
7
8
8
19
27
31
32
38
50

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
24
26
27
29
30
30
31
32
31
31
30
28
26
25
24
23

Feels Like (°C)

20
20
21
21
23
24
30
30
29
30
30
30
29
28
28
27
26

Dew Point (°C)

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

Relative Humidity (%)

44
38
33
30
27
24
24
23
23
25
27
29
33
37
41
41
42

Pressure (mb)

1013
1013
1013
1013
1012
1012
1012
1011
1011
1011
1011
1010
1010
1011
1011
1011
1011

Ozone (du)

320
318
317
316
314
313
312
311
310
310
309
308
309
309
309
309
308

Forecast for Charleroi, Hainaut Province, Kingdom of Belgium (50.41,4.44)

Generated: 13/07/25 09:08:48. Forecast: 13/07/25 to 19/07/25. Timezone: UTC+2.00