Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

Waning Crescent 0%

09:12

15:40

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
21 Bad
22 Bad

Sun - Rise: 08:13, Set: 15:58, Transit: 12:05. Moon - Rise: 09:12, Set: 15:40. Civil Dark: 16:39 - 07:32. Nautical Dark: 17:22 - 06:48. Astro Dark: 18:04 - 06:07

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

80
89
87
79
89
82
93
78
88
91
88
76
82
83
81
61
63
71
74
80
85
89
92
82

Medium Clouds (% Sky Obscured)

86
91
84
89
99
97
88
96
98
98
94
86
90
88
81
77
52
49
75
60
80
72
70
85

High Clouds (% Sky Obscured)

6
41
55
37
68
79
100
100
95
100
100
80
69
82
95
78
87
95
95
56
52
50
34
59

ISS Passover

Visibility (miles)

9
9
7
9
8
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
26
33

Precipitation Type

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

Precipitation Probability (%)

47
40
53
52
38
15
4
2
2
1
6
16
16
14
1
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.4
0
0.3
0.2
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
4
4
4
3
2
2
2
1
2
2
1
1
3
3
4
4
4
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
5
5
6
6
6
6
6
6
6
6
6
6
6
6
6
6
5
5
4
4
4
4
4

Dew Point (°C)

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

Relative Humidity (%)

84
84
88
93
94
96
96
94
96
96
94
94
94
94
93
95
93
91
91
94
94
96
96
94

Pressure (mb)

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

Ozone (du)

319
316
317
319
321
318
312
302
299
297
292
286
280
276
274
274
273
269
268
269
269
268
268
267

Saturday 20

New Moon 2%

09:53

16:47

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
21 Bad
22 Bad

Sun - Rise: 08:13, Set: 15:58, Transit: 12:06. Moon - Rise: 09:53, Set: 16:47. Civil Dark: 16:39 - 07:33. Nautical Dark: 17:23 - 06:49. Astro Dark: 18:04 - 06:08

Total Clouds (% Sky Obscured)

97
95
95
96
97
98
98
100
100
100
100
94
94
95
97
99
100
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

83
77
80
82
90
92
92
95
95
95
95
94
94
95
95
95
91
86
86
85
85
85
90
90

Medium Clouds (% Sky Obscured)

90
85
65
84
82
63
66
71
58
43
29
15
16
14
4
2
4
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

61
36
52
32
37
50
58
55
67
100
96
14
5
4
7
17
18
24
52
27
37
47
42
35

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 (%)

27
0
0
0
0
0
71
100
100
100
100
90
48
0
0
0
0
0
1
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
6
6
6
6
7
7
7
7
7
7
8
8
8
9
9
9
10
10
10
10
10

Chance of Frost

Temperature (°C)

6
6
5
5
4
4
4
4
4
4
4
4
4
5
5
5
5
5
5
4
5
5
5
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
93
91
89
89
88
89
91
89
91
86
80
75
72
72
73
82
83
85
85
83
85
83

Pressure (mb)

1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

267
269
268
265
264
265
267
268
269
267
266
265
266
267
266
268
268
268
267
268
269
268
268
268

Sunday 21

Waxing Crescent 6%

10:23

18:02

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 OK
12 OK
13 OK
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 08:14, Set: 15:59, Transit: 12:06. Moon - Rise: 10:23, Set: 18:02. Civil Dark: 16:40 - 07:33. Nautical Dark: 17:23 - 06:49. Astro Dark: 18:05 - 06:08

Total Clouds (% Sky Obscured)

100
97
94
94
89
82
63
59
57
54
54
53
46
42
43
50
51
49
46
39
45
46
51
54

Low Clouds (% Sky Obscured)

90
85
94
94
89
82
63
59
57
54
54
53
46
42
43
50
51
49
46
39
45
46
51
54

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

40
25
27
23
21
12
5
3
2
3
2
1
1
1
5
9
5
7
14
23
20
17
13
26

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)

10
11
10
10
9
9
9
9
8
9
9
9
10
10
10
9
9
8
8
8
8
8
8
8

Chance of Frost

Temperature (°C)

5
4
4
4
4
4
4
4
3
3
3
4
4
5
5
5
5
4
4
4
4
4
3
3

Feels Like (°C)

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

Dew Point (°C)

3
2
2
2
3
3
3
3
3
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3

Relative Humidity (%)

85
86
88
88
89
91
93
93
94
93
94
89
83
79
76
78
82
88
91
93
93
94
94
96

Pressure (mb)

1016
1016
1015
1015
1015
1015
1015
1014
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015

Ozone (du)

266
263
264
266
266
269
269
269
270
273
277
280
286
291
295
297
299
301
307
310
314
318
322
326

Monday 22

Waxing Crescent 12%

10:44

19:20

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
21 Bad
22 Bad

Sun - Rise: 08:14, Set: 15:59, Transit: 12:07. Moon - Rise: 10:44, Set: 19:20. Civil Dark: 16:40 - 07:34. Nautical Dark: 17:24 - 06:50. Astro Dark: 18:05 - 06:09

Total Clouds (% Sky Obscured)

51
59
66
70
71
76
82
84
86
87
89
92
93
92
93
92
91
84
77
74
69
77
80
81

Low Clouds (% Sky Obscured)

51
59
66
70
71
76
82
84
86
87
89
92
93
92
93
92
91
84
77
74
69
77
80
81

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

36
45
42
39
35
31
28
21
21
21
18
14
8
3
2
1
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
1
1
0
1
2
2
3
2
0
0
0
0
0
0
0
0
1
1
1
1
0
1

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
10
9
9
9
10
9
9
9
9
9
10
11
11
11
11
11
11
11
11
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
96
96
96
96
96
98
96
98
96
94
89
86
82
82
82
83
83
83
84
86
88
86

Pressure (mb)

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

Ozone (du)

331
336
340
342
344
346
347
347
346
345
345
346
348
351
353
358
364
367
366
367
366
366
366
366

Tuesday 23

Waxing Crescent 19%

11:00

20:39

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
21 Bad
22 Bad

Sun - Rise: 08:15, Set: 16:00, Transit: 12:07. Moon - Rise: 11:00, Set: 20:39. Civil Dark: 16:41 - 07:34. Nautical Dark: 17:25 - 06:50. Astro Dark: 18:06 - 06:09

Total Clouds (% Sky Obscured)

90
100
100
100
100
100
100
100
99
98
98
87
77
81
74
66
67
61
55
69
74
74
70
70

Low Clouds (% Sky Obscured)

90
100
100
100
100
100
100
100
96
93
89
86
77
81
74
66
67
61
55
69
74
74
70
70

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
13
24
36
39
37
35
34
32
35
29
23
22
22
9
18
19

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
26
47
70
45

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
0
2
2
2
2
2
2
4
6
8
11
14
14
31
36
37
37
37
37
32
29
23
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
12
13
13
14
13
13
12
12
12
13
13
14
14
14
13
13
13
13
13
14
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-5
-6
-6
-6
-6
-7
-6
-6
-6
-7
-7
-7
-6
-6
-7
-7
-6
-6
-5
-6
-8
-8
-9

Dew Point (°C)

-2
-1
-2
-3
-4
-4
-5
-5
-6
-5
-5
-6
-7
-7
-8
-8
-9
-9
-10
-10
-12
-12
-13
-14

Relative Humidity (%)

91
94
86
80
74
71
67
69
66
71
75
68
67
63
61
60
61
60
56
53
49
48
47
46

Pressure (mb)

1022
1023
1023
1023
1024
1024
1024
1024
1025
1025
1026
1027
1027
1027
1027
1027
1027
1028
1028
1029
1029
1029
1030
1030

Ozone (du)

366
370
377
383
384
384
380
378
388
395
392
389
385
384
383
381
380
379
380
381
382
384
385
387

Wednesday 24

Waxing Crescent 28%

11:13

21:57

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
21 Bad
22 Bad

Sun - Rise: 08:15, Set: 16:01, Transit: 12:08. Moon - Rise: 11:13, Set: 21:57. Civil Dark: 16:42 - 07:34. Nautical Dark: 17:25 - 06:51. Astro Dark: 18:06 - 06:09

Total Clouds (% Sky Obscured)

65
60
55
50
50
50
54
53
58
57
56
51
51
51
53
59
70
80
75
75
65
71
66
61

Low Clouds (% Sky Obscured)

64
60
55
50
50
50
54
53
58
57
56
51
51
44
28
19
20
20
20
30
31
36
47
43

Medium Clouds (% Sky Obscured)

17
17
14
15
15
13
10
7
6
5
7
12
12
13
10
4
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

22
0
6
13
20
15
7
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 (%)

15
9
8
6
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)

14
13
14
13
13
13
12
12
12
12
12
12
12
13
13
13
12
12
12
12
12
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-10
-10
-10
-11
-11
-11
-11
-11
-11
-12
-11
-12
-11
-11
-11
-8
-8
-8
-8
-8
-9
-9
-10
-10

Dew Point (°C)

-15
-15
-16
-16
-16
-16
-16
-17
-17
-17
-17
-18
-18
-18
-18
-18
-18
-18
-18
-18
-18
-17
-17
-17

Relative Humidity (%)

46
47
46
46
46
46
46
46
45
43
40
39
36
33
30
30
31
32
32
33
34
36
37
40

Pressure (mb)

1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1032
1032
1031
1031
1031
1031
1031
1030
1030
1031
1031
1031
1031
1030

Ozone (du)

387
388
388
387
385
383
379
375
371
367
363
358
356
354
352
352
352
351
354
356
359
359
359
358

Thursday 25

Waxing Crescent 38%

11:24

No Set

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

Sun - Rise: 08:15, Set: 16:02, Transit: 12:08. Moon - Rise: 11:24, Set: No Set. Civil Dark: 16:42 - 07:35. Nautical Dark: 17:26 - 06:51. Astro Dark: 18:07 - 06:10

Total Clouds (% Sky Obscured)

52
47
51
56
55
55
54
58
53
52
44
38
33
29
23
21
19
25
35
46

Low Clouds (% Sky Obscured)

36
33
36
31
25
20
15
15
18
17
17
13
12
12
10
7
5
3
3
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
5
9
15
24
31

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
2
3
2
1
0
1
2
2
4
5
7

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Amount (mm)

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
11
11
11
11
11
11
11
10
10
10
10
10
10
10
9
9
9
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-9
-9
-10
-9
-9
-6
-6
-6
-6
-7

Dew Point (°C)

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

Relative Humidity (%)

42
44
47
50
51
53
54
54
55
53
53
52
51
51
50
52
54
55
55
55

Pressure (mb)

1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1031
1030
1030
1030
1030
1030
1030
1030
1030

Ozone (du)

358
357
357
353
350
346
346
346
346
345
344
344
343
342
342
341
340
339
339
340

Forecast for Altes Lager, Germany (52.00,13.00)

Generated: 19/12/25 22:54:45. Forecast: 19/12/25 to 25/12/25. Timezone: UTC+1.00