Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 28

Waxing Gibbous 72%

11:58

02:02

21 Good
22 Good
23 OK
00 OK
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

Sun - Rise: 08:16, Set: 16:00, Transit: 12:08. Moon - Rise: 11:58, Set: 02:02. Civil Dark: 16:41 - 07:35. Nautical Dark: 17:25 - 06:51. Astro Dark: 18:07 - 06:09

Total Clouds (% Sky Obscured)

9
12
20
43
62
58
81
100
100
100
100
100
99
97
98
96
94
100
100
100
99
100
100
100

Low Clouds (% Sky Obscured)

7
10
13
43
62
58
81
100
100
100
100
100
97
92
97
90
86
99
100
100
97
100
96
88

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
18
0
17
32
35
55

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
9
6
27
57
50
30
10
15
16
43
13
6
2
1
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
0

Fog (%)

0
0
0
0
0
12
98
39
2
1
2
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
Very Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
15
20
18
17
7
6
5
16
17
7
22
25
17
28
57
77

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
0.2
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-5
-6
-6
-7
-7
-6
-6
-7
-5
-5
-4
-4
-4
-3
-3
-3
-3
-2
-2
-3
-3
-2
-2

Dew Point (°C)

-4
-5
-7
-8
-7
-5
-4
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-1
-1
-1
-1
-1
-0
2

Relative Humidity (%)

83
78
69
67
72
82
91
94
92
91
87
84
84
86
83
80
78
79
79
80
80
79
82
94

Pressure (mb)

1026
1025
1024
1023
1023
1022
1021
1020
1019
1019
1018
1018
1018
1017
1017
1016
1015
1015
1015
1014
1014
1014
1014
1014

Ozone (du)

276
277
278
278
276
275
274
274
274
274
273
273
275
275
279
283
286
288
290
289
288
286
287
284

Monday 29

Waxing Gibbous 82%

12:16

03:32

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

Sun - Rise: 08:16, Set: 16:01, Transit: 12:09. Moon - Rise: 12:16, Set: 03:32. Civil Dark: 16:42 - 07:35. Nautical Dark: 17:26 - 06:51. Astro Dark: 18:08 - 06:10

Total Clouds (% Sky Obscured)

99
64
38
3
0
0
0
2
22
12
24
30
36
68
49
37
47
30
32
35
39
45
32
26

Low Clouds (% Sky Obscured)

49
10
7
0
0
0
0
0
22
12
24
30
36
41
49
37
47
30
32
35
39
45
32
26

Medium Clouds (% Sky Obscured)

53
16
0
0
0
0
0
0
0
0
0
0
3
55
4
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
1
0
2

ISS Passover

Visibility (miles)

6
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 (%)

40
11
2
0
0
0
0
0
0
0
0
0
0
1
9
6
2
1
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)

10
9
7
9
10
9
9
10
10
11
11
11
11
11
11
12
11
12
11
10
10
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-2
-7
-7
-8
-8
-10
-10
-11
-10
-10
-9
-7
-7
-7
-7
-8
-9
-9
-10
-9
-8
-8
-9
-8

Relative Humidity (%)

74
52
56
55
55
54
53
52
54
56
62
69
71
67
63
57
52
49
47
53
56
57
57
61

Pressure (mb)

1015
1016
1017
1018
1019
1019
1020
1020
1021
1021
1021
1022
1022
1022
1023
1023
1023
1022
1023
1023
1023
1023
1023
1023

Ozone (du)

293
325
343
349
355
357
355
358
363
367
366
358
352
349
350
352
354
356
352
348
347
347
346
346

Tuesday 30

Waxing Gibbous 79%

12:42

05:06

21 OK
22 OK
23 OK
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 OK
19 OK
20 Bad

Sun - Rise: 08:16, Set: 16:02, Transit: 12:09. Moon - Rise: 12:42, Set: 05:06. Civil Dark: 16:43 - 07:35. Nautical Dark: 17:27 - 06:51. Astro Dark: 18:09 - 06:10

Total Clouds (% Sky Obscured)

21
32
26
15
24
70
100
99
92
99
100
99
98
86
88
99
97
94
92
78
63
44
42
51

Low Clouds (% Sky Obscured)

21
10
9
12
18
12
50
59
68
96
100
97
97
79
82
75
69
63
57
50
27
11
26
41

Medium Clouds (% Sky Obscured)

3
19
7
3
3
22
50
55
67
90
86
65
55
59
4
32
33
89
68
33
24
18
11
8

High Clouds (% Sky Obscured)

2
27
17
3
11
39
91
89
37
35
35
6
4
14
24
21
29
22
0
1
0
1
1
4

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
0
0
9
0
0
0
0
0
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
1
1
0
0
1
0
2
59
95
68
58
58
72
38
23
11
20
11
7
1
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0.8
0.2
0.2
0.2
0.5
0.1
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
10
10
10
11
10
10
9
10
11
10
13
18
18
18
16
16
13
13
11
9
6
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-8
-9
-8
-9
-10
-10
-11
-11
-11
-9
-3
-2
-2
0
1
1
1
1
-1
-2
-2
-3
-3
-3

Relative Humidity (%)

62
63
65
65
60
59
59
54
55
63
92
94
89
96
96
96
96
96
86
83
83
81
84
84

Pressure (mb)

1023
1022
1022
1022
1021
1021
1020
1019
1018
1017
1015
1014
1013
1012
1012
1012
1012
1012
1012
1013
1014
1014
1015
1015

Ozone (du)

346
345
344
340
337
336
338
336
335
332
328
322
322
322
318
318
318
317
317
318
318
317
318
320

Wednesday 31

Waxing Gibbous 90%

13:22

06:38

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

Sun - Rise: 08:16, Set: 16:03, Transit: 12:10. Moon - Rise: 13:22, Set: 06:38. Civil Dark: 16:44 - 07:35. Nautical Dark: 17:28 - 06:51. Astro Dark: 18:10 - 06:10

Total Clouds (% Sky Obscured)

70
70
88
97
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
98

Low Clouds (% Sky Obscured)

57
66
76
83
86
88
91
94
97
100
98
96
94
96
98
100
100
100
100
97
94
91
92
93

Medium Clouds (% Sky Obscured)

41
32
74
92
92
91
78
66
82
89
92
96
100
86
73
60
75
85
98
98
98
98
98
98

High Clouds (% Sky Obscured)

30
11
36
41
61
77
100
100
100
100
100
100
100
68
37
0
0
0
0
0
0
5
16
31

ISS Passover

Visibility (miles)

9
9
9
9
9
2
0
0
0
3
9
9
9
6
6
9
6
9
9
9
9
0
0
0

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

Precipitation Probability (%)

1
14
19
25
42
75
66
68
36
12
21
33
36
40
44
48
40
30
25
28
44
74
94
95

Precipitation Amount (mm)

0
0
0
0
0.1
0.6
0.3
0.4
0
0
0
0
0
0.1
0.2
0.2
0.1
0
0
0
0.1
0.5
0.8
0.8

Wind Speed/Direction (mph)

2
3
5
6
7
8
8
10
13
14
15
15
15
16
16
16
16
16
17
16
16
16
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
83
84
87
96
98
98
98
98
94
88
84
89
91
91
89
89
81
76
79
82
93
96
96

Pressure (mb)

1014
1014
1013
1012
1011
1010
1009
1007
1006
1005
1004
1003
1002
1001
1000
999
998
997
996
995
994
994
993
993

Ozone (du)

324
324
318
312
317
310
299
298
297
299
298
297
300
309
314
312
319
331
364
379
376
377
385
397

Thursday 1

Waxing Gibbous 96%

14:22

07:57

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

Sun - Rise: 08:16, Set: 16:04, Transit: 12:10. Moon - Rise: 14:22, Set: 07:57. Civil Dark: 16:45 - 07:35. Nautical Dark: 17:29 - 06:51. Astro Dark: 18:11 - 06:10

Total Clouds (% Sky Obscured)

98
99
99
100
98
95
93
89
85
82
100
100
100
100
100
100
100
99
99
99
100
100
97
94

Low Clouds (% Sky Obscured)

95
97
98
100
98
95
91
87
83
79
94
97
100
100
100
100
99
98
98
97
97
96
81
70

Medium Clouds (% Sky Obscured)

97
98
99
98
53
24
18
42
46
21
85
91
98
96
98
97
96
98
97
98
99
100
80
63

High Clouds (% Sky Obscured)

42
59
67
85
57
30
0
0
0
0
22
16
10
5
3
2
1
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
3
9
0
0
8
9
9
9
0
2
4
6
7
8
9
6
3
0
3
6
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

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

Precipitation Probability (%)

95
71
52
78
65
53
41
34
34
34
34
34
32
28
24
19
24
27
32
32
32
29
28
26

Precipitation Amount (mm)

1.3
0.4
0.2
0.6
0.4
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

2
2
2
2
2
2
2
2
2
2
1
2
2
1
2
2
2
2
2
1
1
2
2
1

Feels Like (°C)

-4
-4
-5
-5
-5
-5
-5
-5
-4
-5
-5
-4
-4
-4
-4
-4
-5
-4
-4
-4
-4
-4
-4
-4

Dew Point (°C)

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

Relative Humidity (%)

98
96
94
83
96
96
86
89
86
88
94
96
94
94
91
88
85
88
93
96
89
86
80
78

Pressure (mb)

992
992
992
991
991
992
992
993
993
993
993
994
995
995
994
994
994
994
994
994
994
994
994
994

Ozone (du)

402
399
386
371
366
368
362
369
376
370
366
367
368
369
371
374
376
379
382
385
392
399
406
406

Friday 2

Waxing Gibbous 100%

15:43

08:53

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

Sun - Rise: 08:16, Set: 16:06, Transit: 12:11. Moon - Rise: 15:43, Set: 08:53. Civil Dark: 16:46 - 07:35. Nautical Dark: 17:30 - 06:51. Astro Dark: 18:12 - 06:10

Total Clouds (% Sky Obscured)

94
82
73
65
62
55
49
47
41
27
32
41
53
69
84
92
84
77
70
67
61
50
45
40

Low Clouds (% Sky Obscured)

63
62
62
62
55
44
34
28
20
22
27
41
53
57
55
54
57
62
68
65
61
50
45
40

Medium Clouds (% Sky Obscured)

51
45
42
39
28
17
7
5
3
2
12
23
30
41
55
60
54
48
48
39
35
24
14
6

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
19
39
58
39
19
0
0
0
0
5
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
0
3
6
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
Snow
Snow
Snow
Snow
None
None
None

Precipitation Probability (%)

18
22
20
15
14
11
3
5
4
0
1
2
2
6
9
9
31
44
52
51
41
27
20
13

Precipitation Amount (mm)

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
0
0

Wind Speed/Direction (mph)

16
16
15
15
15
14
13
12
11
10
10
9
9
9
9
8
8
7
7
6
5
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
76
75
75
75
77
77
78
80
83
84
84
83
83
83
83
81
86
92
98
94
94
92
91

Pressure (mb)

995
995
996
996
996
996
996
997
997
997
997
997
997
997
997
997
996
996
996
996
997
997
997
998

Ozone (du)

407
407
408
408
409
405
401
397
392
386
381
377
373
368
366
364
362
365
368
370
374
378
382
384

Saturday 3

Full Moon 99%

17:15

09:31

21 OK
22 OK
23 OK
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

Sun - Rise: 08:15, Set: 16:07, Transit: 12:11. Moon - Rise: 17:15, Set: 09:31. Civil Dark: 16:47 - 07:35. Nautical Dark: 17:31 - 06:51. Astro Dark: 18:13 - 06:10

Total Clouds (% Sky Obscured)

30
28
32
35
40
46
55
60
65
64
54
46
39
50
61
70

Low Clouds (% Sky Obscured)

30
28
32
35
40
46
55
60
65
64
54
46
39
50
53
62

Medium Clouds (% Sky Obscured)

0
0
0
0
6
11
17
18
19
20
17
16
12
21
31
35

High Clouds (% Sky Obscured)

10
10
10
10
10
10
5
5
5
5
3
3
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
6
3
0
0
1
1
4
7
9
9
9

Fog (%)

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

Precipitation Probability (%)

1
3
3
1
6
8
10
16
21
25
21
16
4
6
6
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
89
84
80
75
81
86
92
92
92
94
92
89
89
84
79

Pressure (mb)

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

Ozone (du)

387
390
392
395
397
400
403
405
410
415
420
413
406
399
394
389

Forecast for Tempelhof, Germany (52.47,13.39)

Generated: 28/12/25 21:23:46. Forecast: 28/12/25 to 03/01/26. Timezone: UTC+1.00