Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 21

Waxing Crescent 2%

10:00

17:17

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 OK
18 OK
19 OK
20 Good
21 OK
22 OK
23 OK

Sun - Rise: 08:23, Set: 16:25, Transit: 12:24. Moon - Rise: 10:00, Set: 17:17. Civil Dark: 17:03 - 07:44. Nautical Dark: 17:45 - 07:02. Astro Dark: 18:25 - 06:23

Total Clouds (% Sky Obscured)

75
100
84
84
84
90
100
99
97
87
97
91
68
72
64
58
60
27
20
25
6
21
30
40

Low Clouds (% Sky Obscured)

54
46
33
28
30
26
11
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7

Medium Clouds (% Sky Obscured)

64
85
91
88
99
100
94
88
86
87
76
79
55
23
6
6
8
6
3
0
0
0
0
0

High Clouds (% Sky Obscured)

29
77
83
100
90
87
93
91
68
69
93
73
29
48
46
58
60
27
20
25
6
21
30
40

ISS Passover

Visibility (miles)

-
-
-
-
-
-
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

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)

3
5
6
6
5
7
5
4
3
3
3
4
5
5
5
5
5
4
4
5
5
5
5
5

Chance of Frost

Temperature (°C)

5
5
4
4
4
4
5
5
5
5
6
6
7
7
7
6
5
4
4
3
3
3
3
3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
96
95
95
94
76
75
76
75
76
74
69
64
65
69
75
79
79
80
80
79
80
80

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1014
1015
1015
1015
1014
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

266
266
267
269
271
271
273
274
274
274
274
274
277
276
275
270
270
273
274
274
275
279
280
282

Monday 22

Waxing Crescent 6%

10:31

18:30

00 Bad
01 OK
02 OK
03 OK
04 OK
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
23 Bad

Sun - Rise: 08:23, Set: 16:25, Transit: 12:24. Moon - Rise: 10:31, Set: 18:30. Civil Dark: 17:04 - 07:45. Nautical Dark: 17:46 - 07:03. Astro Dark: 18:26 - 06:23

Total Clouds (% Sky Obscured)

53
47
20
31
45
53
62
69
76
79
85
87
86
97
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

23
22
9
29
37
46
54
63
70
78
82
83
82
81
82
85
86
84
84
85
85
84
83
79

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
33
83
91
95
91
89
60

High Clouds (% Sky Obscured)

53
47
20
20
45
44
53
47
48
39
50
42
68
93
100
100
100
100
100
100
100
100
100
99

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
2
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)

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

Chance of Frost

Temperature (°C)

3
3
3
2
2
2
1
1
1
1
2
2
3
3
3
3
3
3
3
3
3
3
2
2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
80
83
83
85
86
86
86
86
86
83
79
77
73
73
76
80
85
85
85
86
86
88
88

Pressure (mb)

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

Ozone (du)

282
282
286
289
292
295
297
300
303
306
308
313
319
330
336
338
340
345
345
349
356
359
362
365

Tuesday 23

Waxing Crescent 12%

10:55

19:46

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
23 Bad

Sun - Rise: 08:24, Set: 16:26, Transit: 12:25. Moon - Rise: 10:55, Set: 19:46. Civil Dark: 17:05 - 07:45. Nautical Dark: 17:46 - 07:03. Astro Dark: 18:26 - 06:24

Total Clouds (% Sky Obscured)

86
81
89
91
90
83
72
72
71
69
68
72
83
93
100
97
100
98
93
96
96
96
96
94

Low Clouds (% Sky Obscured)

79
81
82
83
86
83
72
72
71
69
68
72
83
93
100
96
100
97
93
96
96
96
96
94

Medium Clouds (% Sky Obscured)

16
2
1
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)

59
42
72
64
68
48
12
5
7
4
3
3
3
2
3
2
2
1
0
0
0
2
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
2
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
89
89
91
91
91
91
93
93
88
82
76
72
72
72
75
77
85
88
88
88
89
89

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1014
1014
1015
1016
1016
1016
1015
1015
1016
1016
1017
1018
1018
1019
1019
1020
1020

Ozone (du)

367
367
368
368
369
370
371
371
371
370
370
370
371
369
367
367
367
362
358
356
356
356
357
358

Wednesday 24

Waxing Crescent 19%

11:13

21:02

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
23 Bad

Sun - Rise: 08:24, Set: 16:27, Transit: 12:25. Moon - Rise: 11:13, Set: 21:02. Civil Dark: 17:05 - 07:46. Nautical Dark: 17:47 - 07:04. Astro Dark: 18:27 - 06:24

Total Clouds (% Sky Obscured)

89
90
90
90
81
75
68
70
70
67
67
74
78
78
79
81
87
88
90
88
86
80
79
74

Low Clouds (% Sky Obscured)

89
89
89
89
81
75
68
70
70
67
67
74
78
78
79
81
83
83
83
81
78
76
71
70

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
11
28
46
51
61
68
53
43
34
35
32

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
3
2
2
2
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 (%)

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
86
87
86
84
87
87
83
81
80
77
71
68
66
66
68
68
70
68
69
71
72
69
65

Pressure (mb)

1020
1021
1021
1021
1022
1022
1023
1023
1024
1025
1026
1026
1026
1026
1026
1026
1026
1027
1027
1027
1028
1028
1028
1028

Ozone (du)

355
358
360
362
364
364
361
363
364
368
372
378
380
377
373
373
374
377
386
395
401
408
408
407

Thursday 25

Waxing Crescent 28%

11:28

22:19

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
23 Bad

Sun - Rise: 08:25, Set: 16:27, Transit: 12:26. Moon - Rise: 11:28, Set: 22:19. Civil Dark: 17:06 - 07:46. Nautical Dark: 17:48 - 07:04. Astro Dark: 18:27 - 06:24

Total Clouds (% Sky Obscured)

72
68
64
60
71
83
87
91
95
100
90
90
88
82
77
67
62
56
51
53
53
52
51
53

Low Clouds (% Sky Obscured)

69
67
64
60
68
67
67
78
89
100
90
90
88
82
77
67
62
56
51
53
53
52
51
53

Medium Clouds (% Sky Obscured)

33
21
10
2
32
79
87
84
79
68
2
8
6
6
6
6
4
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
4
1
1
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
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
1
8
44
60
40
2
0
0
0
0
0
0
0
0
0
0
0
0
1
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.4
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
55
53
51
51
51
51
61
72
60
52
51
51
51
52
53
55
58
60
62
63
65
65
69

Pressure (mb)

1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1027
1026
1026
1026
1026
1026
1026
1026
1026
1028
1028
1028
1028

Ozone (du)

405
402
399
395
389
384
382
381
376
369
366
362
358
355
354
352
352
351
350
348
349
350
351
353

Friday 26

Waxing Crescent 38%

11:41

23:36

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 OK
22 OK
23 Good

Sun - Rise: 08:25, Set: 16:28, Transit: 12:26. Moon - Rise: 11:41, Set: 23:36. Civil Dark: 17:07 - 07:46. Nautical Dark: 17:48 - 07:04. Astro Dark: 18:28 - 06:25

Total Clouds (% Sky Obscured)

51
51
52
57
59
60
64
66
66
67
64
58
51
56
60
65
70
75
83
71
56
43
30
15

Low Clouds (% Sky Obscured)

51
51
51
51
55
59
63
66
66
67
64
58
51
56
52
43
37
36
30
35
35
35
30
15

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
26
35
28
22
15
9
4

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
3
5
18
26
17
9
4
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
72
73
75
75
76
76
76
75
73
72
72
71
71
72
74
74
77
77
77
77
77
77
77

Pressure (mb)

1028
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1028
1028
1028
1028
1028
1029
1029
1030
1030

Ozone (du)

356
358
357
357
356
354
351
349
348
347
346
346
346
346
348
350
351
353
354
355
355
355
354
357

Saturday 27

First Quarter 49%

11:54

No Set

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

Sun - Rise: 08:25, Set: 16:29, Transit: 12:27. Moon - Rise: 11:54, Set: No Set. Civil Dark: 17:07 - 07:46. Nautical Dark: 17:49 - 07:05. Astro Dark: 18:29 - 06:25

Total Clouds (% Sky Obscured)

0
0
0
0
0
4
6
4
2
1
1
0
0
0
0
0
0
0
0
9
18
27
27
28

Low Clouds (% Sky Obscured)

0
0
0
0
0
4
3
2
1
1
0
0
0
0
0
0
0
0
0
8
18
27
27
28

Medium 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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
5
4
3

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-4
-4
-4
-4
-4
-5
-5
-6
-7
-8
-9
-11
-13
-14
-13
-12
-11
-10
-9
-8
-8
-7
-6
-6

Relative Humidity (%)

77
77
77
78
78
78
78
78
71
63
56
45
36
29
33
38
44
47
50
55
57
62
67
70

Pressure (mb)

1030
1030
1030
1031
1031
1031
1032
1032
1032
1033
1033
1033
1033
1033
1033
1033
1033
1033
1033
1034
1034
1034
1034
1034

Ozone (du)

359
361
361
362
362
361
360
359
356
354
351
347
342
338
336
335
333
332
331
330
328
326
325
323

Forecast for Anspach, Regierungsbezirk Darmstadt, Germany (50.30,8.50)

Generated: 21/12/25 06:53:02. Forecast: 21/12/25 to 27/12/25. Timezone: UTC+1.00