Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 31

Waxing Crescent 52%

14:50

23:26

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
21 Bad
22 Bad

Sun - Rise: 05:58, Set: 21:16, Transit: 13:37. Moon - Rise: 14:50, Set: 23:26. Civil Dark: 21:55 - 05:19. Nautical Dark: 22:47 - 04:27. Astro Dark: 00:01 - 03:17

Total Clouds (% Sky Obscured)

98
98
99
99
100
100
100
100
92
75
75
56
82
95
77
78
75
86
84
68
71
80
88
88

Low Clouds (% Sky Obscured)

84
86
74
70
84
68
76
73
67
59
55
44
46
51
60
67
63
71
69
60
55
71
66
71

Medium Clouds (% Sky Obscured)

98
98
98
99
100
99
100
30
19
36
32
18
43
25
35
19
21
23
24
30
44
55
72
37

High Clouds (% Sky Obscured)

98
98
91
99
88
100
100
100
57
12
21
23
36
84
24
0
0
35
40
13
0
4
0
0

ISS Passover

Visibility (miles)

2
2
3
4
4
9
2
3
4
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
46
21
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
95
95
90
52
32
25
7
5
6
10
31
49
50
54
51
49
48
64
59
47
42
35
4

Precipitation Amount (mm)

3
0.6
1
0.8
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0.3
0

Wind Speed/Direction (mph)

5
5
4
5
5
6
5
4
4
5
6
7
8
10
10
11
11
11
10
11
11
8
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

16
16
16
16
16
16
16
15
16
15
15
15
13
12
11
10
11
10
10
12
13
12
12
13

Relative Humidity (%)

98
98
96
96
96
96
98
98
100
95
89
78
62
60
51
47
49
47
47
58
68
70
74
79

Pressure (mb)

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

Ozone (du)

320
320
321
326
330
330
333
336
340
337
336
335
332
334
338
337
337
336
335
336
337
336
337
339

Friday 1

First Quarter 62%

16:03

23:41

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
21 Bad
22 Bad

Sun - Rise: 06:00, Set: 21:14, Transit: 13:37. Moon - Rise: 16:03, Set: 23:41. Civil Dark: 21:53 - 05:21. Nautical Dark: 22:45 - 04:29. Astro Dark: 23:57 - 03:21

Total Clouds (% Sky Obscured)

77
65
88
92
90
98
95
82
89
97
94
99
100
98
100
100
97
96
90
100
100
100
85
86

Low Clouds (% Sky Obscured)

60
64
79
82
73
86
66
72
73
91
79
64
85
72
84
78
63
57
45
62
63
67
65
65

Medium Clouds (% Sky Obscured)

22
13
15
48
76
83
69
54
60
66
66
67
70
43
33
22
21
40
19
20
17
52
53
86

High Clouds (% Sky Obscured)

0
0
0
0
0
50
47
39
66
62
24
74
94
76
81
81
91
82
79
100
100
100
35
40

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
5
6
5
5
4
8
6
4
5
4
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

9
7
10
20
17
9
6
7
18
29
44
71
82
95
89
95
91
95
83
91
90
57
38
25

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.4
0.4
1.3
0.4
0.6
0.5
0.6
0.4
0.6
0.7
0.3
0.2
0

Wind Speed/Direction (mph)

4
4
5
6
7
7
5
4
4
6
7
8
9
8
8
9
9
10
8
10
7
8
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
84
92
92
92
95
95
93
92
83
78
74
81
85
81
81
89
85
75
80
89
93
93
95

Pressure (mb)

1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1015
1015
1015
1016
1016
1017

Ozone (du)

341
341
341
341
342
344
345
345
342
340
340
340
340
340
339
338
336
334
333
331
331
330
330
331

Saturday 2

Waxing Gibbous 71%

17:15

00:01

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
21 Bad
22 Bad

Sun - Rise: 06:01, Set: 21:12, Transit: 13:37. Moon - Rise: 17:15, Set: 00:01. Civil Dark: 21:51 - 05:22. Nautical Dark: 22:43 - 04:31. Astro Dark: 23:53 - 03:24

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
99
100
95
99
88
78
75
78
76
71
97
90
97
100
100
100
100
100

Low Clouds (% Sky Obscured)

71
66
55
49
52
73
66
59
31
33
48
51
32
46
44
35
15
72
32
5
5
34
57
84

Medium Clouds (% Sky Obscured)

87
82
83
92
89
93
95
85
63
80
61
45
39
27
23
18
34
26
22
61
100
74
64
83

High Clouds (% Sky Obscured)

100
100
100
100
100
89
87
98
69
81
12
2
2
20
30
40
71
85
75
96
100
100
100
100

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
Very Light Rain

Precipitation Probability (%)

15
4
7
24
36
11
2
5
1
0
0
0
0
0
0
0
0
0
1
6
42
35
50
68

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
0.3

Wind Speed/Direction (mph)

5
4
4
4
3
3
4
4
3
3
3
5
6
9
10
11
11
12
13
11
9
3
3
4

Chance of Frost

Temperature (°C)

15
15
14
14
14
14
13
13
14
14
15
17
19
20
21
22
23
23
23
22
21
19
18
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
96
96
95
96
95
95
95
92
89
80
65
51
45
41
39
41
41
45
54
62
77
78
81

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1019

Ozone (du)

330
331
330
327
326
326
327
327
325
325
325
325
324
321
317
318
318
314
311
311
309
313
314
315

Sunday 3

Waxing Gibbous 80%

18:23

00:29

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
21 Bad
22 Bad

Sun - Rise: 06:03, Set: 21:11, Transit: 13:37. Moon - Rise: 18:23, Set: 00:29. Civil Dark: 21:49 - 05:24. Nautical Dark: 22:40 - 04:33. Astro Dark: 23:49 - 03:28

Total Clouds (% Sky Obscured)

98
96
94
91
88
84
80
77
74
69
63
59
67
76
86
88
90
93
96
98
100
94
87
81

Low Clouds (% Sky Obscured)

85
87
88
83
79
75
74
72
72
66
61
56
56
55
54
64
74
84
56
28
0
1
2
2

Medium Clouds (% Sky Obscured)

69
87
66
50
62
16
11
8
5
54
46
59
60
53
86
75
25
27
29
31
29
31
25
61

High Clouds (% Sky Obscured)

72
43
15
15
10
6
10
5
5
5
5
5
9
9
18
17
20
24
49
75
100
86
72
58

ISS Passover

Visibility (miles)

9
5
9
5
7
9
9
6
4
1
1
2
8
6
8
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

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

Precipitation Probability (%)

95
95
95
95
70
33
17
14
26
21
27
39
49
42
28
32
6
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.6
0.9
0.9
0.6
0.4
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
85
92
93
93
95
96
96
96
98
98
96
92
85
79
65
54
49
48
48
51
58
66
71

Pressure (mb)

1019
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

316
311
310
310
307
306
304
303
300
299
298
297
296
295
294
294
293
293
293
292
293
292
291
291

Monday 4

Waxing Gibbous 87%

19:21

01:08

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

Sun - Rise: 06:04, Set: 21:09, Transit: 13:37. Moon - Rise: 19:21, Set: 01:08. Civil Dark: 21:48 - 05:26. Nautical Dark: 22:38 - 04:35. Astro Dark: 23:46 - 03:31

Total Clouds (% Sky Obscured)

62
40
19
35
52
66
77
89
100
82
71
51
40
36
40
39
38
34
40
43
45
49
49
45

Low Clouds (% Sky Obscured)

1
1
0
10
29
40
57
73
90
78
71
51
40
36
40
39
38
34
40
43
42
43
46
45

Medium Clouds (% Sky Obscured)

62
40
19
35
52
66
77
89
40
27
15
0
8
14
13
15
14
11
5
5
8
5
3
0

High Clouds (% Sky Obscured)

39
19
0
0
1
1
1
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
7
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
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
1
12
19
29
88
87
88
62
44
21
22
13
1
5
5
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.6
0.6
0.6
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
5
7
8
8
10
9
8
7
9
11
12
12
13
13
13
14
14
13
12
10
8
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
18
18
17
18
17
17
17
16
15
17
17
18
18
19
19
19
19
19
19
19
19
16
16

Dew Point (°C)

14
13
13
11
13
14
14
16
15
15
14
11
9
8
7
6
6
6
6
7
7
7
8
8

Relative Humidity (%)

72
70
69
61
68
73
77
93
92
89
77
61
50
45
40
36
35
35
34
38
41
45
51
59

Pressure (mb)

1018
1018
1018
1018
1018
1017
1017
1018
1018
1019
1020
1020
1021
1022
1022
1022
1023
1023
1023
1024
1024
1025
1026
1026

Ozone (du)

290
290
291
289
289
290
291
294
295
299
303
307
311
317
322
326
329
331
333
330
328
325
323
322

Tuesday 5

Waxing Gibbous 84%

20:07

02:01

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

Sun - Rise: 06:06, Set: 21:07, Transit: 13:37. Moon - Rise: 20:07, Set: 02:01. Civil Dark: 21:46 - 05:28. Nautical Dark: 22:36 - 04:38. Astro Dark: 23:42 - 03:34

Total Clouds (% Sky Obscured)

53
57
57
50
48
45
50
55
55
52
44
40
45
52
59
69
80
90
82
73
64
64
58
54

Low Clouds (% Sky Obscured)

44
44
45
26
11
0
0
0
0
7
15
31
32
32
31
26
19
13
8
5
2
1
1
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
33
55
55
52
43
20
13
6
0
6
9
9
4
8
7
7
10
13

High Clouds (% Sky Obscured)

0
1
2
3
4
5
5
5
0
0
2
1
15
29
43
61
79
90
69
43
24
20
15
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 (%)

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
69
72
76
76
77
76
72
70
67
57
50
43
40
37
35
35
35
34
39
44
50
54
57

Pressure (mb)

1027
1027
1027
1028
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1025
1025
1025
1024
1024
1024
1023
1023
1023

Ozone (du)

320
318
317
316
316
316
317
318
319
320
318
317
315
314
313
312
310
308
307
306
304
303
302
301

Wednesday 6

Waxing Gibbous 93%

20:41

03:09

23 Bad
00 OK
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

Sun - Rise: 06:07, Set: 21:06, Transit: 13:36. Moon - Rise: 20:41, Set: 03:09. Civil Dark: 21:44 - 05:29. Nautical Dark: 22:33 - 04:40. Astro Dark: 23:39 - 03:38

Total Clouds (% Sky Obscured)

50
46
45
51
56
62
61
60
58
68
78
87
81
75
69
64
63
63
70
78
86

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

Medium Clouds (% Sky Obscured)

12
10
8
17
25
34
40
46
52
44
36
30
23
21
20
24
23
19
16
13
14

High Clouds (% Sky Obscured)

25
33
37
28
23
22
25
25
24
44
59
68
62
59
56
44
36
27
42
53
69

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

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
2
5
7
8
7
4
24
41
55

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
19
18
18
13
13
12
12
13
13
15
16
17
17
17
18
27
27
27
27
28

Dew Point (°C)

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

Relative Humidity (%)

61
62
63
65
64
63
63
62
61
60
52
45
40
35
30
26
25
24
23
29
36

Pressure (mb)

1023
1023
1023
1022
1022
1022
1021
1021
1021
1021
1021
1020
1020
1020
1019
1019
1019
1018
1018
1018
1018

Ozone (du)

299
298
298
297
296
294
293
293
292
292
293
294
294
295
295
295
295
295
296
295
293

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

Generated: 31/07/25 23:22:01. Forecast: 31/07/25 to 06/08/25. Timezone: UTC+2.00