Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 15

Waning Crescent 12%

04:48

12:58

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

Sun - Rise: 08:11, Set: 15:52, Transit: 12:01. Moon - Rise: 04:48, Set: 12:58. Civil Dark: 16:33 - 07:30. Nautical Dark: 17:17 - 06:45. Astro Dark: 17:59 - 06:04

Total Clouds (% Sky Obscured)

90
84
69
25
10
2
0
0
0
0
0
0
0
4
8
66
100
100
53
58
53
84
100
100

Low Clouds (% Sky Obscured)

68
66
54
25
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
15
63
100
53
58
53
3
2
2

High Clouds (% Sky Obscured)

24
4
3
4
10
2
0
0
0
0
0
0
0
3
4
53
100
100
49
50
50
83
100
100

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
80
75
70
67
70
72
75
76
76
76
77
77
79
77
77
77
77
77
76
76
76
76
74

Pressure (mb)

1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019

Ozone (du)

299
298
299
299
301
302
302
302
302
305
317
341
341
328
321
316
307
306
305
303
302
300
299
298

Tuesday 16

Waning Crescent 7%

06:02

13:12

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

Sun - Rise: 08:12, Set: 15:52, Transit: 12:01. Moon - Rise: 06:02, Set: 13:12. Civil Dark: 16:33 - 07:30. Nautical Dark: 17:17 - 06:46. Astro Dark: 17:59 - 06:04

Total Clouds (% Sky Obscured)

56
56
55
64
79
35
17
30
14
10
44
87
62
36
60
54
59
100
100
100
74
50
37
72

Low 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

Medium Clouds (% Sky Obscured)

2
0
55
60
60
28
0
0
0
0
0
0
0
0
0
0
2
1
0
49
37
27
7
33

High Clouds (% Sky Obscured)

56
50
55
64
60
3
17
30
14
9
44
87
62
36
55
54
59
100
100
100
32
35
37
29

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
68
63
61
62
65
67
67
69
69
69
68
69
69
70
71
73
73
73
71
71
70
70
69

Pressure (mb)

1019
1019
1019
1019
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1019
1019

Ozone (du)

297
301
305
306
307
306
305
306
307
306
307
303
297
291
288
285
285
282
282
284
285
290
294
300

Wednesday 17

Waning Crescent 6%

07:14

13:32

10 Bad
11 Bad
12 Bad
13 OK
14 Bad
15 OK
16 OK
17 OK
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: 08:12, Set: 15:52, Transit: 12:02. Moon - Rise: 07:14, Set: 13:32. Civil Dark: 16:33 - 07:31. Nautical Dark: 17:18 - 06:47. Astro Dark: 17:59 - 06:05

Total Clouds (% Sky Obscured)

75
64
51
47
53
34
42
47
51
56
70
60
61
59
63
64
67
66
91
97
98
92
86
81

Low Clouds (% Sky Obscured)

0
0
0
13
23
34
42
47
51
56
54
60
52
52
50
51
52
53
58
51
46
43
43
39

Medium Clouds (% Sky Obscured)

32
49
28
29
30
5
9
11
6
24
27
27
23
15
28
31
36
37
33
25
19
15
13
11

High Clouds (% Sky Obscured)

40
5
8
1
2
1
0
6
13
33
62
13
61
30
13
20
29
36
51
66
76
66
51
39

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
60
58
56
59
61
62
63
67
68
71
72
72
73
76
80
82
85
89
88
86
86
83
80

Pressure (mb)

1020
1020
1020
1019
1020
1020
1020
1021
1021
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024

Ozone (du)

296
278
274
280
290
306
317
324
322
324
329
331
328
323
320
316
313
313
309
306
304
301
300
301

Thursday 18

Waning Crescent 3%

08:20

14:00

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

Sun - Rise: 08:13, Set: 15:52, Transit: 12:02. Moon - Rise: 08:20, Set: 14:00. Civil Dark: 16:34 - 07:32. Nautical Dark: 17:18 - 06:47. Astro Dark: 18:00 - 06:05

Total Clouds (% Sky Obscured)

74
63
57
65
68
72
66
48
34
27
20
14
10
5
0
1
0
0
1
1
10
5
1
0

Low Clouds (% Sky Obscured)

30
24
22
25
29
31
24
11
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

13
16
19
19
19
18
14
10
6
4
2
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

36
37
5
12
18
24
26
27
26
22
18
14
10
5
0
0
0
0
0
0
5
5
1
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
6
6
6
6
6
6
6
7
7
7
7
7
7
7
7
6
6
6
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
80
78
77
75
75
78
79
82
83
82
82
82
83
82
82
82
83
85
85
83
85
83
83

Pressure (mb)

1024
1024
1023
1023
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1020
1020
1020
1019
1019
1019
1019
1019
1019

Ozone (du)

302
305
304
304
300
299
303
302
302
303
301
298
295
293
290
285
284
282
279
276
273
272
269
264

Friday 19

Waning Crescent 1%

09:14

14:40

10 Good
11 Good
12 Good
13 OK
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
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: 08:14, Set: 15:53, Transit: 12:03. Moon - Rise: 09:14, Set: 14:40. Civil Dark: 16:34 - 07:32. Nautical Dark: 17:18 - 06:48. Astro Dark: 18:00 - 06:06

Total Clouds (% Sky Obscured)

0
0
0
31
61
92
73
55
41
97
98
98
99
99
100
100
100
100
98
95
92
88
85
80

Low Clouds (% Sky Obscured)

0
0
0
0
0
1
1
7
4
88
84
80
76
73
73
75
79
84
92
95
92
88
85
80

Medium Clouds (% Sky Obscured)

0
0
0
12
26
53
60
43
41
76
82
93
96
99
99
93
87
80
85
89
89
88
82
72

High Clouds (% Sky Obscured)

0
0
0
28
60
87
69
44
24
1
1
1
29
56
85
90
94
100
67
33
0
0
0
4

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
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
12
24
38
41
42
38
33
33
37
42
46
49
45
38
29

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
7
7
7
6
7
6
7
7
7
7
7
7
6
6
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
75
73
70
69
73
78
81
79
81
81
79
81
79
78
76
78
81
84
88
93
98
96
91

Pressure (mb)

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

Ozone (du)

264
262
265
267
268
277
287
292
291
292
294
296
298
302
306
311
308
305
303
304
305
307
305
302

Saturday 20

New Moon 0%

09:55

15:34

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

Sun - Rise: 08:14, Set: 15:53, Transit: 12:03. Moon - Rise: 09:55, Set: 15:34. Civil Dark: 16:35 - 07:33. Nautical Dark: 17:19 - 06:48. Astro Dark: 18:01 - 06:07

Total Clouds (% Sky Obscured)

83
85
85
80
73
67
57
41
16
11
10
15
21
36
41
58
65
73
74
77
83
88
92
96

Low Clouds (% Sky Obscured)

82
80
78
75
68
62
46
26
15
11
10
15
21
36
41
50
44
39
34
29
32
33
35
32

Medium Clouds (% Sky Obscured)

73
70
67
45
24
2
3
3
4
7
7
14
21
20
27
30
33
32
42
48
65
70
75
75

High Clouds (% Sky Obscured)

6
6
3
2
1
0
8
16
16
11
10
15
21
36
41
58
65
70
74
77
83
88
92
96

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 (%)

29
23
4
4
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
85
81
75
79
82
86
88
89
93
93
94
94
94
94
93
94
94
94
94
94
94
93
91

Pressure (mb)

1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1016
1016
1016
1017

Ozone (du)

300
302
304
306
297
289
281
280
280
279
278
278
277
275
273
271
271
270
269
272
274
276
276
277

Sunday 21

Waxing Crescent 2%

09:55

16:41

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

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: 17:19 - 06:49. Astro Dark: 18:01 - 06:07

Total Clouds (% Sky Obscured)

98
98
99
99
99
98
98
97
98
97
97
97
98
99
100

Low Clouds (% Sky Obscured)

33
34
35
31
28
24
24
29
24
24
20
20
25
35
30

Medium Clouds (% Sky Obscured)

80
79
79
65
60
55
40
24
9
8
7
6
4
2
0

High Clouds (% Sky Obscured)

87
76
65
73
81
89
92
96
98
74
50
25
31
33
36

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
6
6
6
7
7
7
7
7
7
7
7
7
7
7

Chance of Frost

Temperature (°C)

2
3
4
4
4
3
3
3
3
3
2
2
2
2
2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
85
82
77
80
82
85
85
83
85
85
85
84
83
81

Pressure (mb)

1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

278
279
279
280
280
280
280
281
283
285
288
292
296
297
297

Forecast for Friedrichsfelde, Germany (52.50,13.51)

Generated: 15/12/25 10:30:31. Forecast: 15/12/25 to 21/12/25. Timezone: UTC+1.00