Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 20

New Moon 1%

09:28

15:22

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
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:31, Set: 16:29, Transit: 12:30. Moon - Rise: 09:28, Set: 15:22. Civil Dark: 17:08 - 07:52. Nautical Dark: 17:51 - 07:10. Astro Dark: 18:31 - 06:30

Total Clouds (% Sky Obscured)

100
88
94
94
88
94
94
88
94
87
88
70
71
75
85
88
100
100
95
98
100
100
100
100

Low Clouds (% Sky Obscured)

95
94
91
84
100
77
90
91
78
68
23
19
2
4
28
33
0
18
13
48
79
82
62
48

Medium Clouds (% Sky Obscured)

84
83
91
94
91
98
100
100
96
86
86
58
71
75
76
81
75
68
73
86
95
94
89
85

High Clouds (% Sky Obscured)

49
83
100
100
100
100
100
100
100
81
40
24
60
75
85
88
100
100
57
73
87
100
100
100

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
0
0
0
0
0
0
0
0
5
15
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
1
4
20

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)

11
9
7
8
5
6
5
5
5
4
4
3
2
2
2
2
1
2
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
96
97
96
91
93
95
94
90
96
100
88
82
80
79
79
80
80
82
82
83
82
79
75

Pressure (mb)

1018
1018
1018
1019
1019
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1019
1019
1018
1018
1018
1017
1017

Ozone (du)

308
313
315
319
319
327
332
334
330
327
320
312
306
299
292
286
281
280
278
276
274
275
273
273

Sunday 21

Waxing Crescent 0%

10:10

16:16

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
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:32, Set: 16:30, Transit: 12:31. Moon - Rise: 10:10, Set: 16:16. Civil Dark: 17:09 - 07:53. Nautical Dark: 17:51 - 07:11. Astro Dark: 18:31 - 06:31

Total Clouds (% Sky Obscured)

100
100
99
99
91
83
100
86
90
89
87
86
93
100
91
87
94
82
77
91
74
85
89
89

Low Clouds (% Sky Obscured)

23
40
70
81
74
53
64
39
36
41
35
26
9
36
40
35
38
15
5
4
3
4
0
0

Medium Clouds (% Sky Obscured)

82
86
93
88
58
70
96
78
69
73
71
74
87
94
76
59
62
64
60
71
74
55
34
23

High Clouds (% Sky Obscured)

100
94
51
66
38
18
25
34
5
15
16
3
9
29
32
29
43
44
46
71
47
66
73
78

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 (%)

17
13
17
12
13
6
2
4
1
2
9
13
5
12
10
6
2
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
5
5
6
6
6
6
6
6
6
6
6
6
5
5
5
5
5
5
5
5
5
6
7

Chance of Frost

Temperature (°C)

8
8
8
9
9
8
8
8
8
8
8
8
8
8
9
8
8
8
8
8
8
7
8
9

Feels Like (°C)

6
6
6
6
6
6
6
6
6
6
6
5
6
6
6
6
6
6
6
6
5
5
5
6

Dew Point (°C)

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

Relative Humidity (%)

77
81
81
82
85
88
90
90
88
90
91
91
91
90
88
88
87
87
87
85
85
84
79
73

Pressure (mb)

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

Ozone (du)

272
272
271
273
276
280
283
282
279
278
278
279
280
280
281
280
277
276
274
272
272
272
272
271

Monday 22

Waxing Crescent 2%

10:41

17:22

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 OK
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:32, Set: 16:30, Transit: 12:31. Moon - Rise: 10:41, Set: 17:22. Civil Dark: 17:09 - 07:53. Nautical Dark: 17:52 - 07:11. Astro Dark: 18:32 - 06:31

Total Clouds (% Sky Obscured)

75
63
72
86
81
100
100
100
100
100
100
100
38
34
28
44
56
62
68
93
100
96
100
98

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
34
46
48
58
68
68
65

Medium Clouds (% Sky Obscured)

10
3
4
0
0
0
1
2
2
6
39
83
38
34
28
44
45
37
42
45
45
50
60
23

High Clouds (% Sky Obscured)

67
63
72
86
81
99
100
100
100
100
100
100
15
19
28
44
56
46
48
84
100
89
100
94

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
6
6
5
4
3
3
3
2
2
1
1
2
2
1
1
1
1
1
0
0
1
1

Dew Point (°C)

3
3
3
3
3
3
3
3
3
2
1
1
1
1
1
1
1
0
0
0
0
0
0
0

Relative Humidity (%)

62
59
60
64
68
73
76
79
81
76
74
72
74
73
73
75
76
76
77
79
77
77
76
73

Pressure (mb)

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

Ozone (du)

273
273
272
276
276
280
283
283
286
289
290
291
292
297
301
305
311
314
319
322
323
325
327
330

Tuesday 23

Waxing Crescent 6%

11:04

18:35

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
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:33, Set: 16:31, Transit: 12:32. Moon - Rise: 11:04, Set: 18:35. Civil Dark: 17:10 - 07:54. Nautical Dark: 17:52 - 07:11. Astro Dark: 18:32 - 06:31

Total Clouds (% Sky Obscured)

98
86
89
82
83
81
77
80
85
88
89
89
89
88
84
80
80
80
81
83
83
85
87
89

Low Clouds (% Sky Obscured)

73
70
68
66
67
66
56
65
67
67
67
67
67
69
67
64
73
74
75
77
78
80
82
84

Medium Clouds (% Sky Obscured)

3
8
61
65
65
65
65
60
55
65
68
66
69
68
57
58
59
60
55
56
70
60
28
2

High Clouds (% Sky Obscured)

89
66
65
40
31
25
39
30
25
20
16
15
25
26
24
26
22
11
15
5
5
5
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)

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

Chance of Frost

Temperature (°C)

5
6
6
6
5
5
5
4
4
4
4
4
4
4
3
3
3
3
3
2
2
3
3
4

Feels Like (°C)

2
3
3
3
2
2
2
1
1
1
1
1
1
1
1
0
0
-0
0
-1
-1
-1
0
1

Dew Point (°C)

0
-1
-1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Relative Humidity (%)

68
64
64
68
72
76
78
77
77
79
79
80
83
83
85
86
86
88
88
89
88
88
83
79

Pressure (mb)

1008
1008
1008
1008
1008
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1012
1012
1013
1013

Ozone (du)

332
335
342
350
358
363
366
370
372
374
376
377
376
377
376
375
374
374
373
372
373
373
370
371

Wednesday 24

Waxing Crescent 12%

11:21

19:52

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
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:33, Set: 16:31, Transit: 12:32. Moon - Rise: 11:21, Set: 19:52. Civil Dark: 17:10 - 07:54. Nautical Dark: 17:53 - 07:12. Astro Dark: 18:33 - 06:32

Total Clouds (% Sky Obscured)

90
94
97
100
100
100
100
100
100
100
99
98
97
94
91
88
87
87
87
73
57
84
96
95

Low Clouds (% Sky Obscured)

87
94
97
100
100
100
97
98
94
92
84
74
84
94
91
88
87
87
85
73
57
84
94
93

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
23
40
58
37
6
0
0
0
0

High Clouds (% Sky Obscured)

3
5
5
5
7
8
10
12
20
27
18
9
0
5
5
5
3
3
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
1
2
3
3
4
4
4
4
5
4
3
2
2
2
1
2
2
0
2
2

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
8
8
7
7
6
6
7
9
9
9
9
9
9
11
11
11
12
12
11
12
11
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
3
2
3
2
2
2
1
1
0
0
-0
0
-0
-1
-0
-1
-2
-2
-1
-2
-3
-4
-5

Dew Point (°C)

1
1
1
2
2
2
2
2
2
2
2
2
1
1
1
1
1
-0
-1
-1
-2
-3
-3
-4

Relative Humidity (%)

75
71
71
74
78
80
80
82
82
83
82
83
83
85
77
77
77
75
72
71
70
74
73
66

Pressure (mb)

1013
1013
1014
1014
1014
1015
1015
1016
1016
1017
1017
1018
1018
1018
1019
1019
1020
1020
1021
1021
1022
1023
1024
1024

Ozone (du)

372
368
368
366
365
364
364
364
366
367
367
366
367
368
371
375
380
380
382
387
390
390
392
395

Thursday 25

Waxing Crescent 19%

11:36

21:09

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 OK
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:33, Set: 16:32, Transit: 12:33. Moon - Rise: 11:36, Set: 21:09. Civil Dark: 17:11 - 07:54. Nautical Dark: 17:53 - 07:12. Astro Dark: 18:33 - 06:32

Total Clouds (% Sky Obscured)

95
89
82
74
64
57
60
64
67
71
70
61
56
47
42
41
40
40
40
45
50
56
56
56

Low Clouds (% Sky Obscured)

92
86
80
73
64
57
57
55
57
54
54
47
39
32
31
31
30
30
25
35
45
55
56
56

Medium Clouds (% Sky Obscured)

0
11
22
24
14
14
9
4
4
4
4
0
0
0
0
4
3
2
0
0
0
0
0
0

High 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

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 (%)

4
10
11
9
19
23
23
25
26
27
31
33
35
32
30
28
24
18
5
7
6
3
4
3

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)

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

Chance of Frost

Temperature (°C)

2
2
2
1
1
0
-1
-1
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-1
-1
0

Feels Like (°C)

-4
-4
-4
-4
-4
-4
-4
-4
-6
-5
-6
-6
-6
-6
-6
-6
-6
-6
-5
-5
-6
-6
-5
-6

Dew Point (°C)

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

Relative Humidity (%)

63
58
57
58
57
59
61
64
64
64
63
61
59
56
53
49
46
45
43
42
42
42
42
42

Pressure (mb)

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

Ozone (du)

399
396
401
406
411
408
405
402
402
401
401
398
395
391
390
388
387
383
380
376
374
372
370
368

Friday 26

Waxing Crescent 28%

11:48

22:26

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 OK
08 OK
09 OK
10 OK
11 Bad

Sun - Rise: 08:34, Set: 16:33, Transit: 12:33. Moon - Rise: 11:48, Set: 22:26. Civil Dark: 17:12 - 07:55. Nautical Dark: 17:54 - 07:12. Astro Dark: 18:34 - 06:32

Total Clouds (% Sky Obscured)

61
66
80
75
70
70
60
55
55
54
59
58
63
61
60
59
56
52
49
45
44
40
44
49

Low Clouds (% Sky Obscured)

61
66
70
70
60
60
50
50
50
54
54
58
63
61
60
59
56
52
49
45
44
40
44
48

Medium Clouds (% Sky Obscured)

1
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)

0
0
0
0
0
0
0
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
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
2
2
1
2
2
1
4
4
4
4
3
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)

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

Chance of Frost

Temperature (°C)

1
1
1
1
1
0
0
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-0
0
0
1

Feels Like (°C)

-6
-6
-4
-3
-4
-4
-4
-4
-5
-4
-4
-4
-4
-4
-3
-3
-3
-3
-3
-3
-3
-3
-2
-3

Dew Point (°C)

-11
-11
-10
-9
-9
-9
-9
-9
-9
-9
-9
-9
-8
-8
-8
-8
-7
-7
-7
-7
-7
-7
-7
-6

Relative Humidity (%)

41
41
43
46
47
49
51
52
53
54
54
55
56
56
57
60
61
61
61
62
61
61
61
59

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1023
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025

Ozone (du)

367
365
363
361
359
356
353
349
347
344
341
341
341
340
342
343
344
344
344
345
346
346
347
347

Forecast for Dürscheven, Cologne District, Germany (50.67,6.71)

Generated: 20/12/25 00:16:53. Forecast: 20/12/25 to 26/12/25. Timezone: UTC+1.00