Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 31

Waxing Crescent 42%

13:38

23:26

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 05:58, Set: 21:17, Transit: 13:37. Moon - Rise: 13:38, Set: 23:26. Civil Dark: 21:57 - 05:19. Nautical Dark: 22:50 - 04:27. Astro Dark: 00:01 - 03:17

Total Clouds (% Sky Obscured)

98
98
99
99
89
90
94
95
82
100
100
100
99
99
99
100
100
99
100
100
100
100
100
96

Low Clouds (% Sky Obscured)

79
77
83
65
56
34
50
61
59
78
66
45
51
53
62
89
78
73
86
84
92
75
73
71

Medium Clouds (% Sky Obscured)

97
98
98
89
48
68
55
36
26
45
65
72
62
69
94
100
93
51
87
83
100
100
100
32

High Clouds (% Sky Obscured)

98
90
41
45
0
6
72
85
58
100
100
99
87
83
94
75
81
69
94
100
100
100
66
72

ISS Passover

Visibility (miles)

9
9
5
9
9
8
6
4
3
4
5
5
5
3
3
3
5
7
9
6
8
2
2
3

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
65
23

Precipitation Type

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

Precipitation Probability (%)

12
51
7
55
22
46
74
85
90
95
95
84
87
77
81
95
95
84
95
95
95
95
78
39

Precipitation Amount (mm)

0
0.6
0
0
0
0
0.5
0.6
0.7
0.5
0.8
0.4
0.6
0.4
0.6
0.9
0.6
0.3
0.4
0.9
3.4
2.5
0.3
0

Wind Speed/Direction (mph)

6
5
5
5
4
4
8
11
9
8
7
6
6
6
7
9
5
3
3
4
3
4
4
6

Chance of Frost

Temperature (°C)

14
14
14
14
16
18
20
21
20
21
21
21
20
19
19
18
17
17
17
16
16
16
16
16

Feels Like (°C)

12
13
13
13
15
18
20
19
20
22
22
22
20
19
18
17
17
18
18
17
17
17
16
15

Dew Point (°C)

10
10
13
13
14
14
13
15
18
19
18
17
17
17
17
16
17
17
17
16
16
16
16
15

Relative Humidity (%)

74
73
92
95
89
77
64
68
85
85
80
77
82
88
88
90
95
96
98
96
96
100
98
98

Pressure (mb)

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

Ozone (du)

325
323
321
322
327
326
326
325
325
326
324
325
324
324
322
322
321
322
323
324
326
328
331
337

Friday 1

First Quarter 52%

14:50

23:41

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: N/A, Set: 21:16, Transit: 13:37. Moon - Rise: 14:50, Set: 23:41. Civil Dark: 21:55 - 05:21. Nautical Dark: 22:47 - 04:29. Astro Dark: 23:57 - 03:21

Total Clouds (% Sky Obscured)

86
85
87
92
88
80
96
86
100
100
98
67
79
70
49
79
80
81
79
76
76
85
94
95

Low Clouds (% Sky Obscured)

71
78
73
71
58
64
77
70
73
81
54
55
51
49
40
50
56
66
59
68
72
84
88
90

Medium Clouds (% Sky Obscured)

10
0
33
39
22
56
60
75
20
22
26
23
61
33
15
35
37
26
19
16
22
19
15
57

High Clouds (% Sky Obscured)

36
64
4
43
40
3
63
31
71
75
75
1
0
1
1
0
37
39
0
0
0
2
3
0

ISS Passover

Visibility (miles)

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

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

12
13
5
13
41
49
50
77
85
95
95
95
79
62
37
14
11
11
18
13
20
36
40
34

Precipitation Amount (mm)

0
0
0
0
0
0.2
0
0.5
0.5
0.8
1.1
0.7
0.5
0.4
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
14
16
16
17
18
19
19
19
20
19
20
19
19
17
17
17
16
15
15
15
13
12

Dew Point (°C)

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

Relative Humidity (%)

96
95
93
90
83
76
69
66
70
80
82
84
84
85
88
92
93
95
95
95
96
96
98
96

Pressure (mb)

1011
1011
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

340
340
342
338
337
334
334
337
339
340
340
340
340
339
339
340
341
341
342
342
343
345
345
343

Saturday 2

Waxing Gibbous 62%

16:03

00:01

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:00, Set: 21:14, Transit: 13:37. Moon - Rise: 16:03, Set: 00:01. Civil Dark: 21:53 - 05:22. Nautical Dark: 22:45 - 04:31. Astro Dark: 23:53 - 03:24

Total Clouds (% Sky Obscured)

78
95
97
100
97
94
91
73
97
88
95
86
93
97
93
99
83
68
80
95
92
91
96
91

Low Clouds (% Sky Obscured)

73
86
87
85
82
77
81
38
59
74
64
51
66
59
49
51
59
66
66
65
59
59
53
53

Medium Clouds (% Sky Obscured)

49
26
77
82
51
57
51
28
58
58
63
44
40
39
37
42
38
16
23
29
35
43
43
33

High Clouds (% Sky Obscured)

5
6
4
36
8
17
48
19
7
82
68
27
55
30
35
36
12
8
18
79
73
80
86
85

ISS Passover

Visibility (miles)

2
3
6
9
9
9
6
4
5
9
5
6
4
5
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
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

22
15
17
24
48
69
82
80
69
82
84
86
89
69
38
12
15
7
2
3
7
11
12
8

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.5
0.4
0.3
0.5
0.5
0.5
0.7
0.4
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
95
95
93
82
71
68
76
71
64
70
77
86
90
92
93
93
95
95
96
95
96
96

Pressure (mb)

1013
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1016
1016
1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1019

Ozone (du)

343
345
345
342
338
338
339
341
343
341
339
337
332
331
330
329
329
328
327
326
327
324
321
323

Sunday 3

Waxing Gibbous 71%

17:15

00:29

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:01, Set: 21:12, Transit: 13:37. Moon - Rise: 17:15, Set: 00:29. Civil Dark: 21:51 - 05:24. Nautical Dark: 22:43 - 04:33. Astro Dark: 23:49 - 03:28

Total Clouds (% Sky Obscured)

92
81
88
86
100
100
99
99
99
97
96
95
99
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

54
53
50
46
39
38
37
34
32
28
25
34
42
51
43
36
28
47
65
84
85
86
87
88

Medium Clouds (% Sky Obscured)

34
25
35
40
45
45
49
44
47
75
43
33
28
97
98
39
85
56
46
77
92
47
53
92

High Clouds (% Sky Obscured)

86
81
88
86
95
70
41
14
32
50
66
75
89
100
98
97
95
93
91
88
92
96
100
67

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
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
0
0

Precipitation Type

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

Precipitation Probability (%)

8
6
4
7
9
8
6
0
3
4
2
5
8
10
19
25
33
40
51
61
70
67
53
49

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
3
2
3
4
4
4
5
7
8
8
9
8
8
7
5
4
3
4
5
5
5
6
6

Chance of Frost

Temperature (°C)

13
13
14
15
16
17
18
20
21
21
22
22
22
21
20
19
18
17
17
16
16
16
16
16

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
11
9
8
8
7
7
7
7
8
10
10
10
10
10
10
10
9
9
12
14

Relative Humidity (%)

95
95
90
82
70
57
51
46
41
38
37
38
41
47
51
54
58
63
66
64
63
65
79
87

Pressure (mb)

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

Ozone (du)

323
318
315
313
312
312
312
313
312
312
315
313
313
312
310
310
311
313
310
309
309
308
307
304

Monday 4

Waxing Gibbous 80%

18:23

01:08

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 OK
21 OK
22 OK
23 Bad
00 OK
01 OK
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:03, Set: 21:11, Transit: 13:37. Moon - Rise: 18:23, Set: 01:08. Civil Dark: 21:49 - 05:26. Nautical Dark: 22:40 - 04:35. Astro Dark: 23:46 - 03:31

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
97
88
93
95
85
98
57
42
47
47
46
41
40
34
49
69
54

Low Clouds (% Sky Obscured)

90
92
92
92
90
75
64
49
50
55
61
53
43
36
31
24
19
11
6
0
12
28
47
44

Medium Clouds (% Sky Obscured)

56
51
86
100
95
73
71
42
40
68
41
39
32
21
30
47
47
37
29
30
28
33
39
29

High Clouds (% Sky Obscured)

33
0
0
0
0
0
0
0
10
20
29
50
71
57
42
47
47
46
41
40
34
33
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

44
36
45
51
40
36
37
29
28
33
36
38
35
28
0
0
0
7
10
9
18
18
15
43

Precipitation Amount (mm)

0
0
0
0.2
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
6
7
6
7
8
9
11
11
10
10
8
6
4
5
5
7
9
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
15
15
15
15
15
14
14
12
12
12
12
12
13
14
14
14
13
12
11
10
11
13
14

Relative Humidity (%)

90
92
87
85
81
72
62
55
46
43
44
44
45
50
55
60
64
68
62
56
53
59
69
77

Pressure (mb)

1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

303
302
301
300
300
299
297
296
296
295
295
296
296
294
293
293
293
293
292
292
291
293
295
296

Tuesday 5

Waxing Gibbous 87%

19:21

02:01

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

Sun - Rise: 06:04, Set: 21:09, Transit: 13:37. Moon - Rise: 19:21, Set: 02:01. Civil Dark: 21:48 - 05:28. Nautical Dark: 22:38 - 04:38. Astro Dark: 23:42 - 03:34

Total Clouds (% Sky Obscured)

39
20
21
26
27
28
25
21
25
29
25
26
30
31
21
12
2
2
2
2
5
8
11
21

Low Clouds (% Sky Obscured)

37
20
21
26
27
28
25
21
25
17
12
13
14
15
12
8
2
2
2
2
1
0
0
3

Medium Clouds (% Sky Obscured)

25
20
21
9
0
2
3
3
1
1
0
0
0
0
1
0
0
0
0
0
2
4
6
4

High Clouds (% Sky Obscured)

0
0
0
0
0
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
1
8

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

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

Precipitation Probability (%)

60
66
65
64
71
49
30
5
4
4
0
0
0
0
0
2
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.3
0.3
0.4
0.4
0.6
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
11
10
10
11
12
12
12
13
13
13
13
12
11
11
9
6
4
3
2
2
2
3
3

Chance of Frost

Temperature (°C)

17
17
16
17
18
19
20
21
22
22
22
22
21
20
19
18
16
15
14
13
13
12
12
11

Feels Like (°C)

17
17
16
15
15
16
16
16
16
21
20
19
19
20
20
16
16
16
16
15
14
12
12
13

Dew Point (°C)

12
11
10
9
9
8
7
6
6
5
5
4
5
6
6
6
7
7
7
7
7
7
7
7

Relative Humidity (%)

73
68
65
59
53
48
43
38
34
33
32
30
34
38
41
46
53
59
62
65
69
71
72
75

Pressure (mb)

1018
1018
1019
1019
1020
1020
1021
1021
1021
1022
1022
1022
1023
1023
1023
1024
1025
1025
1026
1026
1026
1026
1026
1026

Ozone (du)

297
298
299
300
300
301
305
309
313
317
321
325
327
330
333
332
331
331
330
328
327
325
323
321

Wednesday 6

Waxing Gibbous 93%

20:07

03:09

06 OK
07 OK
08 OK
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: 06:06, Set: 21:07, Transit: 13:37. Moon - Rise: 20:07, Set: 03:09. Civil Dark: 21:46 - 05:29. Nautical Dark: 22:36 - 04:40. Astro Dark: 23:39 - 03:38

Total Clouds (% Sky Obscured)

30
38
44
52
60
69
78
83
88
93
99
97
95
94
92
90
90
89
87
84

Low Clouds (% Sky Obscured)

5
8
10
13
13
12
11
11
19
30
38
27
14
0
0
0
0
7
15
23

Medium Clouds (% Sky Obscured)

3
1
2
2
3
11
21
32
35
39
42
38
40
44
34
25
13
21
28
46

High Clouds (% Sky Obscured)

14
24
23
31
35
35
40
40
56
72
90
90
89
85
82
81
78
69
59
49

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
12
14
15
15
16
16
17
22
21
21
21
21
22
19
20
19
19
18

Dew Point (°C)

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

Relative Humidity (%)

72
71
69
64
58
53
49
45
41
39
39
38
41
46
51
55
57
60
62
65

Pressure (mb)

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

Ozone (du)

320
319
317
318
318
318
318
317
316
315
313
312
310
307
305
304
303
302
300
299

Forecast for Sankt Augustin, Cologne District, Germany (50.78,7.19)

Generated: 31/07/25 06:14:25. Forecast: 31/07/25 to 06/08/25. Timezone: UTC+2.00