Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 30

Waxing Gibbous 82%

12:16

05:06

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

Sun - Rise: 08:16, Set: 16:01, Transit: 12:09. Moon - Rise: 12:16, Set: 05:06. Civil Dark: 16:42 - 07:35. Nautical Dark: 17:26 - 06:51. Astro Dark: 18:08 - 06:10

Total Clouds (% Sky Obscured)

65
55
52
39
39
60
4
22
20
8
10
69
61
59
46
78
80
52
69
75
66
69
53
69

Low Clouds (% Sky Obscured)

30
39
39
37
39
38
0
0
0
8
10
23
18
15
13
23
37
38
0
0
4
57
53
69

Medium Clouds (% Sky Obscured)

0
0
0
2
0
0
0
0
0
0
0
0
1
13
2
0
0
29
32
26
36
42
52
37

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
8
12
30
11
20
30
43
36
53
36
21
5
21

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
Snow

Precipitation Probability (%)

0
0
14
16
2
5
5
16
1
0
0
0
0
0
0
0
0
0
0
0
0
2
29
53

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
60
52
51
50
50
52
55
60
61
61
62
65
67
65
67
66
65
64
61
60
58
59
69

Pressure (mb)

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

Ozone (du)

345
347
348
352
349
345
346
346
342
339
336
342
345
346
343
339
342
342
340
338
337
335
330
325

Wednesday 31

Waxing Gibbous 90%

12:42

06:38

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
09 Bad

Sun - Rise: 08:16, Set: 16:02, Transit: 12:09. Moon - Rise: 12:42, Set: 06:38. Civil Dark: 16:43 - 07:35. Nautical Dark: 17:27 - 06:51. Astro Dark: 18:09 - 06:10

Total Clouds (% Sky Obscured)

59
65
100
100
100
97
96
98
97
97
92
96
100
100
100
100
99
98
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

59
65
100
100
100
89
86
93
88
87
83
86
87
79
96
95
90
87
100
100
98
97
90
90

Medium Clouds (% Sky Obscured)

24
18
58
76
65
19
17
9
21
38
42
66
88
82
100
100
82
92
26
28
11
100
100
100

High Clouds (% Sky Obscured)

5
7
9
45
6
4
6
9
10
55
47
63
99
100
100
95
69
53
29
27
18
47
83
91

ISS Passover

Visibility (miles)

9
9
9
0
0
0
0
0
1
9
9
9
9
9
7
5
0
0
0
6
9
9
9
9

Fog (%)

0
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
31
0
0
0
0
0
0
0

Precipitation Type

Snow
None
None
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
Sleet
Light Rain
Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

40
21
24
49
80
58
15
21
12
16
12
11
9
24
26
65
89
68
19
11
9
6
30
32

Precipitation Amount (mm)

0.1
0
0
0.2
0.6
0.3
0
0
0
0
0
0
0
0
0
0.3
0.6
0.4
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
8
8
7
8
8
8
10
9
9
8
7
6
7
8
10
9
11
14
13
15
16
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
77
78
92
96
98
98
96
98
91
93
96
98
96
96
96
98
98
96
96
86
78
78
81

Pressure (mb)

1018
1017
1016
1015
1014
1014
1013
1013
1012
1013
1013
1012
1012
1011
1011
1010
1009
1009
1008
1007
1006
1005
1005
1004

Ozone (du)

322
321
324
322
315
311
308
310
311
319
319
317
318
316
311
304
297
293
295
299
300
313
307
298

Thursday 1

Waxing Gibbous 96%

13:22

07:57

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
09 Bad

Sun - Rise: 08:16, Set: 16:03, Transit: 12:10. Moon - Rise: 13:22, Set: 07:57. Civil Dark: 16:44 - 07:35. Nautical Dark: 17:28 - 06:51. Astro Dark: 18:10 - 06:10

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
98
100
100
100
100
100
87
99
100
90
96
100
97
96
95
87

Low Clouds (% Sky Obscured)

100
100
86
84
100
100
100
93
88
96
100
100
96
75
74
77
100
72
89
100
90
88
87
81

Medium Clouds (% Sky Obscured)

100
99
100
100
87
55
55
98
91
70
87
75
75
100
46
96
100
81
79
81
62
23
19
28

High Clouds (% Sky Obscured)

100
95
100
100
93
35
40
40
44
7
16
18
30
35
7
35
35
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
1
0
9
9
9
0
0
0
9
9
0
7
9
1
3
0
7
7
9
9
7
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
Snow
Very Light Rain
None
None
None
Snow
Snow
None
None
None
None
None
None
Snow
Snow
None
None
None
None
None
None
None

Precipitation Probability (%)

26
24
36
53
25
14
35
61
53
29
26
34
35
21
39
86
91
39
18
22
20
35
31
27

Precipitation Amount (mm)

0
0
0.1
0.3
0
0
0
0.4
0.3
0
0
0
0
0
0
0.5
0.9
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
91
94
94
91
84
81
94
94
94
83
88
94
85
80
94
86
96
91
82
72
72
74
73

Pressure (mb)

1003
1002
1001
999
998
997
996
995
994
993
993
993
992
992
992
992
992
992
992
992
992
992
993
993

Ozone (du)

292
299
309
323
338
359
365
374
390
405
411
405
393
376
372
363
371
382
386
384
382
384
382
388

Friday 2

Waxing Gibbous 100%

14:22

08:53

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
09 Bad

Sun - Rise: 08:16, Set: 16:04, Transit: 12:10. Moon - Rise: 14:22, Set: 08:53. Civil Dark: 16:45 - 07:35. Nautical Dark: 17:29 - 06:51. Astro Dark: 18:11 - 06:10

Total Clouds (% Sky Obscured)

90
91
91
91
92
94
96
98
100
96
94
88
100
100
100
97
93
90
85
81
80
83
87
88

Low Clouds (% Sky Obscured)

78
75
72
77
83
88
82
79
73
82
87
88
91
98
100
87
80
70
72
74
76
76
72
79

Medium Clouds (% Sky Obscured)

49
72
36
68
60
53
68
83
99
49
53
36
67
78
87
83
80
76
66
55
45
58
63
25

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
5
6
2
0
5
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
6
0
1
3
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
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
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

29
34
50
54
44
56
31
21
18
19
18
18
17
16
15
20
26
27
27
28
39
29
22
16

Precipitation Amount (mm)

0
0
0.3
0.2
0.1
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
16
16
15
15
15
14
15
15
15
15
14
13
13
12
12
12
12
11
10
9
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
73
74
93
91
88
88
71
70
70
71
71
74
75
78
84
80
80
81
83
83
89
89
91

Pressure (mb)

993
993
993
993
993
994
994
994
994
995
995
995
995
995
995
995
994
994
994
994
994
995
995
996

Ozone (du)

393
401
406
405
407
412
410
412
415
421
427
432
429
428
428
427
426
425
424
422
420
415
412
410

Saturday 3

Full Moon 99%

15:43

09:31

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
09 Bad

Sun - Rise: 08:15, Set: 16:06, Transit: 12:11. Moon - Rise: 15:43, Set: 09:31. Civil Dark: 16:46 - 07:35. Nautical Dark: 17:30 - 06:51. Astro Dark: 18:12 - 06:10

Total Clouds (% Sky Obscured)

88
80
75
80
82
88
86
84
82
80
78
75
68
64
60
70
77
85
90
95
100
97
94
91

Low Clouds (% Sky Obscured)

80
70
61
67
63
61
56
55
50
50
54
58
64
64
60
70
77
85
90
95
100
95
90
84

Medium Clouds (% Sky Obscured)

20
21
21
22
22
22
20
15
7
5
3
0
0
0
0
7
14
25
23
17
9
18
26
29

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)

7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
2
2
1
0
3
6

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
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

18
20
23
22
21
19
20
20
19
21
21
20
19
17
13
29
28
23
33
41
47
44
40
36

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.2
0.2
0.1
0.1

Wind Speed/Direction (mph)

10
10
11
12
12
12
12
12
12
12
12
12
12
12
12
13
13
14
16
15
15
16
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-5
-4
-3
-3
-3
-3
-4
-4
-4
-4
-4
-5
-5
-5
-5
-5
-5
-5
-5
-5
-6
-8
-8

Dew Point (°C)

-2
-3
-3
-3
-3
-4
-4
-4
-4
-3
-4
-4
-4
-4
-4
-4
-3
-3
-3
-3
-3
-3
-3
-4

Relative Humidity (%)

87
81
77
75
74
71
73
74
75
77
77
77
80
80
78
80
81
83
86
87
89
91
87
84

Pressure (mb)

996
997
997
997
998
998
998
999
999
999
1000
1000
1000
1001
1001
1001
1001
1001
1001
1002
1002
1003
1004
1005

Ozone (du)

410
409
409
413
416
416
417
417
416
416
416
417
415
416
415
417
418
420
421
423
424
426
426
427

Sunday 4

Waning Gibbous 96%

17:15

09:55

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
09 Bad

Sun - Rise: 08:15, Set: 16:07, Transit: 12:11. Moon - Rise: 17:15, Set: 09:55. Civil Dark: 16:47 - 07:34. Nautical Dark: 17:31 - 06:51. Astro Dark: 18:13 - 06:09

Total Clouds (% Sky Obscured)

90
88
84
87
90
94
86
78
70
75
77
81
85
89
92
94
95
97
97
99
100
99
98
97

Low Clouds (% Sky Obscured)

83
80
77
74
72
68
63
57
62
64
70
75
79
81
83
85
87
89
91
94
97
97
97
97

Medium Clouds (% Sky Obscured)

31
34
36
49
65
90
71
49
29
20
12
2
12
23
34
53
71
93
69
47
26
48
71
94

High Clouds (% Sky Obscured)

0
0
0
0
1
2
1
1
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
8
7
5
4
3
1
3
5
7
5
3
0
3
6
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
Snow
Snow
Snow
Snow
None
None
None
None

Precipitation Probability (%)

33
30
25
26
24
16
25
30
33
32
29
24
22
19
14
34
46
55
50
42
27
27
28
30

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.2
0.2
0.1
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-2
-2
-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-1
-1
-2
-2
-2
-2
-2
-2
-1
-1
-1
-1

Feels Like (°C)

-8
-8
-8
-9
-6
-6
-6
-6
-6
-6
-5
-5
-4
-4
-4
-4
-5
-5
-5
-5
-5
-6
-6
-6

Dew Point (°C)

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

Relative Humidity (%)

79
75
71
66
70
75
78
83
89
92
94
94
94
96
94
92
92
94
94
92
91
89
89
91

Pressure (mb)

1006
1006
1006
1007
1007
1008
1008
1008
1009
1009
1009
1010
1010
1010
1011
1011
1011
1011
1011
1012
1012
1013
1013
1014

Ozone (du)

427
425
423
421
423
424
426
426
426
426
426
425
424
421
417
414
410
406
402
400
397
395
401
406

Monday 5

Waning Gibbous 91%

18:46

09:55

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

Sun - Rise: 08:15, Set: 16:08, Transit: 12:12. Moon - Rise: 18:46, Set: 09:55. Civil Dark: 16:49 - 07:34. Nautical Dark: 17:32 - 06:51. Astro Dark: 18:14 - 06:09

Total Clouds (% Sky Obscured)

95
93
90
89
88
85
88
92
96
96
96
97
97
98
98
99
99
100
98
95
91

Low Clouds (% Sky Obscured)

93
88
84
75
67
55
53
46
44
58
75
93
95
97
98
99
99
100
98
95
91

Medium Clouds (% Sky Obscured)

71
52
33
25
14
3
22
39
55
58
64
74
61
46
32
32
32
25
27
29
35

High Clouds (% Sky Obscured)

0
0
0
1
1
6
11
15
29
29
44
55
43
35
24
30
33
33
42
50
55

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3

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
None

Precipitation Probability (%)

27
24
21
17
13
4
8
7
2
5
5
4
6
8
8
8
6
2
5
8
13

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-3
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-3
-3
-3
-3

Relative Humidity (%)

89
87
86
84
84
87
87
87
91
92
89
87
88
86
87
86
86
83
83
86
87

Pressure (mb)

1015
1015
1015
1015
1016
1016
1016
1016
1017
1017
1017
1017
1018
1018
1018
1018
1019
1019
1019
1019
1020

Ozone (du)

412
412
412
413
407
401
396
394
391
389
391
394
396
395
395
394
396
399
401
397
393

Forecast for Tempelhof, Germany (52.47,13.39)

Generated: 30/12/25 10:16:34. Forecast: 30/12/25 to 05/01/26. Timezone: UTC+1.00