Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

Waning Crescent 1%

08:21

14:40

03 Bad
04 Bad
05 OK
06 OK
07 Bad
08 OK
09 Good
10 OK
11 OK
12 OK
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

Sun - Rise: 08:14, Set: 15:53, Transit: 12:03. Moon - Rise: 08:21, Set: 14:40. Civil Dark: 16:35 - 07:32. Nautical Dark: 17:19 - 06:48. Astro Dark: 18:01 - 06:06

Total Clouds (% Sky Obscured)

62
62
41
35
52
29
10
33
45
43
71
91
90
89
95
93
96
95
97
99
97
99
99
99

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
27
44
37
37
39
49
56
76
83
90
92
91
89
90
76

Medium Clouds (% Sky Obscured)

2
13
0
26
34
10
5
15
24
31
39
37
35
37
34
51
45
67
83
88
86
95
94
93

High Clouds (% Sky Obscured)

12
3
5
12
34
28
6
11
3
3
2
3
0
12
53
43
41
68
75
84
42
10
17
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
8
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
1
2
1
1
1
3
2
2
7
29
42
48
47
44
26

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
80
79
79
78
75
75
72
69
65
63
66
68
69
72
78
81
81
82
85
88
93
95
95

Pressure (mb)

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

Ozone (du)

268
265
261
257
256
256
257
262
264
271
280
287
291
290
287
290
297
300
305
312
320
318
319
323

Saturday 20

New Moon 0%

09:15

15:34

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:14, Set: 15:54, Transit: 12:04. Moon - Rise: 09:15, Set: 15:34. Civil Dark: 16:35 - 07:33. Nautical Dark: 17:19 - 06:48. Astro Dark: 18:01 - 06:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
92
94
93
92
93
96
96
95
96
98
97
99
97
100
100
99
97

Low Clouds (% Sky Obscured)

78
88
81
77
53
42
35
32
47
43
57
64
73
67
55
53
60
53
73
88
100
100
99
97

Medium Clouds (% Sky Obscured)

90
84
78
60
77
82
74
73
72
67
51
41
40
27
58
77
55
35
35
42
41
76
57
64

High Clouds (% Sky Obscured)

96
100
100
100
100
100
100
58
57
50
51
61
76
67
68
61
57
62
73
28
38
5
1
17

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
5
38
79
100
100
100
100
100
7
23
45
58
100
100
100
100
100
100
100
100
100

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 (%)

24
13
5
0
0
0
1
1
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
4
4
3
3
3
2
1
1
2
1
3
3
4
5
5
5
5
5
6
6
6
6
6

Chance of Frost

Temperature (°C)

8
8
7
7
7
7
7
7
7
8
8
8
8
7
7
6
6
6
6
6
6
6
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
93
88
87
87
85
82
79
75
74
74
75
77
76
76
81
83
88
91
93
93
91
91

Pressure (mb)

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

Ozone (du)

325
324
317
310
304
298
292
287
282
279
275
273
272
271
270
270
270
272
274
274
273
275
277
277

Sunday 21

Waxing Crescent 2%

09:55

16:41

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:15, Set: 15:54, Transit: 12:04. Moon - Rise: 09:55, Set: 16:41. Civil Dark: 16:35 - 07:33. Nautical Dark: 17:20 - 06:49. Astro Dark: 18:02 - 06:07

Total Clouds (% Sky Obscured)

100
96
84
86
82
86
84
70
64
71
81
89
92
95
96
76
90
99
99
100
94
90
93
93

Low Clouds (% Sky Obscured)

95
95
84
86
82
86
84
70
64
71
81
89
92
90
90
76
90
90
90
80
94
90
93
90

Medium Clouds (% Sky Obscured)

73
58
19
16
30
30
18
23
11
15
13
7
5
4
5
0
1
2
3
3
1
0
0
0

High Clouds (% Sky Obscured)

28
16
7
19
11
4
5
4
4
9
15
18
22
25
29
11
20
23
23
17
11
9
11
14

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 (%)

80
51
23
6
0
0
0
1
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
2
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
7
7
7
7
7
7
7
7
7
7
7
7
8
8
8
8
8
8
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
90
90
86
86
85
85
83
79
75
74
72
76
79
82
82
83
85
86
86
86
86
88
88

Pressure (mb)

1017
1017
1017
1017
1017
1017
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1017
1017
1017
1017

Ozone (du)

273
271
272
272
271
270
268
266
266
266
265
264
264
263
264
266
269
270
271
270
270
270
270
272

Monday 22

Waxing Crescent 6%

10:24

17:57

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:15, Set: 15:55, Transit: 12:05. Moon - Rise: 10:24, Set: 17:57. Civil Dark: 16:36 - 07:34. Nautical Dark: 17:20 - 06:49. Astro Dark: 18:02 - 06:07

Total Clouds (% Sky Obscured)

92
95
85
86
90
93
91
88
89
92
89
80
79
88
92
92
99
96
98
99
98
98
87
74

Low Clouds (% Sky Obscured)

90
95
85
86
90
90
90
88
89
90
89
80
79
88
90
90
90
90
90
82
83
75
70
55

Medium Clouds (% Sky Obscured)

0
6
12
18
13
7
0
0
0
0
0
0
0
0
0
0
9
21
25
18
12
4
4
3

High Clouds (% Sky Obscured)

17
27
8
16
27
24
25
19
21
31
28
23
24
20
17
10
29
48
67
76
85
93
66
41

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
1
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
9
9
10
9
9
10
10
10
10
10
10
10
10
10
9
10
10
9
9
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
1
1
1
1
1
1
0
0
0
1
1
1
1
2
2
1
1
1
1
1
1
1
1

Relative Humidity (%)

88
89
88
89
89
88
88
83
80
77
76
75
79
82
85
86
88
88
88
89
89
91
91
91

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1018
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1019
1019
1019
1019
1019
1019

Ozone (du)

274
272
274
275
277
282
288
294
300
306
310
317
323
329
333
336
338
343
351
357
361
362
362
360

Tuesday 23

Waxing Crescent 12%

10:45

19:16

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:15, Set: 15:55, Transit: 12:05. Moon - Rise: 10:45, Set: 19:16. Civil Dark: 16:37 - 07:34. Nautical Dark: 17:21 - 06:50. Astro Dark: 18:03 - 06:08

Total Clouds (% Sky Obscured)

60
63
67
70
75
80
85
81
76
72
69
63
57
59
64
69
73
76
79
73
71
71
74
79

Low Clouds (% Sky Obscured)

44
44
47
47
51
60
67
74
76
72
69
63
57
59
64
69
73
76
79
72
66
63
69
72

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

15
13
12
10
10
3
1
2
2
2
2
2
2
1
1
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
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
93
91
93
91
91
88
85
80
79
80
82
83
86
88
89
88
86
83
81
80
78
80

Pressure (mb)

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

Ozone (du)

359
359
359
360
360
360
360
361
361
362
364
364
364
365
366
368
370
371
372
373
374
375
376
373

Wednesday 24

Waxing Crescent 19%

11:00

20:36

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

Sun - Rise: 08:16, Set: 15:56, Transit: 12:06. Moon - Rise: 11:00, Set: 20:36. Civil Dark: 16:37 - 07:34. Nautical Dark: 17:22 - 06:50. Astro Dark: 18:03 - 06:08

Total Clouds (% Sky Obscured)

81
67
53
38
37
35
30
21
12
4
4
3
3
1
0
0
0
0
0
1
1
2
1
1

Low Clouds (% Sky Obscured)

78
66
52
38
37
35
30
20
11
4
4
3
3
1
0
0
0
0
0
1
1
2
1
1

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
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 (%)

2
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
78
80
81
83
83
83
81
77
74
69
71
73
74
74
75
78
75
75
74
75
74
74
74

Pressure (mb)

1026
1026
1027
1027
1028
1028
1029
1030
1030
1030
1030
1030
1030
1031
1031
1031
1032
1032
1033
1033
1033
1033
1034
1034

Ozone (du)

371
369
365
362
359
358
358
357
357
357
357
356
355
355
356
357
358
358
358
359
355
352
348
346

Thursday 25

Waxing Crescent 28%

11:12

21:55

Sun - Rise: 08:16, Set: 15:57, Transit: 12:06. Moon - Rise: 11:12, Set: 21:55. Civil Dark: 16:38 - 07:35. Nautical Dark: 17:22 - 06:50. Astro Dark: 18:04 - 06:09

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Alt-Kölln, Germany (52.51,13.40)

Generated: 19/12/25 03:13:02. Forecast: 19/12/25 to 25/12/25. Timezone: UTC+1.00