Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 3%

08:41

14:34

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 08:35, Set: 16:24, Transit: 12:29. Moon - Rise: 08:41, Set: 14:34. Civil Dark: 17:04 - 07:55. Nautical Dark: 17:48 - 07:12. Astro Dark: 18:29 - 06:31

Total Clouds (% Sky Obscured)

87
88
85
72
89
88
87
78
75
100
100
100
100
85
95
100
100
100
100
100
98
100
100
100

Low Clouds (% Sky Obscured)

50
42
41
37
37
36
29
21
6
0
0
0
8
10
10
10
85
90
88
96
88
95
91
91

Medium Clouds (% Sky Obscured)

67
70
76
44
24
35
30
31
45
29
35
72
31
49
39
79
98
100
95
64
75
69
81
74

High Clouds (% Sky Obscured)

7
26
34
51
79
70
71
57
51
100
100
100
100
66
87
100
100
100
100
100
74
100
100
92

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
Very Light Rain
None
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
10
34
44
53
54
52
61

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
73
69
68
67
70
70
71
71
68
71
69
69
67
66
66
67
68
68
68
69
69
76
77

Pressure (mb)

1017
1017
1017
1016
1016
1015
1015
1014
1014
1014
1014
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015

Ozone (du)

308
304
294
291
288
285
283
281
279
278
278
271
265
263
262
263
264
267
266
268
275
283
292
300

Friday 19

Waning Crescent 1%

No Rise

15:15

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 08:36, Set: 16:25, Transit: 12:30. Moon - Rise: No Rise, Set: 15:15. Civil Dark: 17:05 - 07:56. Nautical Dark: 17:48 - 07:12. Astro Dark: 18:29 - 06:31

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100

Low Clouds (% Sky Obscured)

91
94
90
99
91
95
95
93
68
28
24
45
48
16
33
30
27
45
56
67
58
88
76
49

Medium Clouds (% Sky Obscured)

74
83
76
95
90
99
95
95
91
99
87
98
66
29
68
86
82
99
97
84
88
97
97
89

High Clouds (% Sky Obscured)

100
100
100
92
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
89
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
6
8
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 (%)

53
48
44
39
39
31
25
21
18
10
9
12
13
10
1
1
1
0
0
0
0
0
1
6

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
10
10
10
9
8
7
6
6
5
4
4
4
4
3
4
4
4
3
3
2
2
2
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
83
84
87
90
91
85
88
88
88
87
87
84
84
84
85
85
87
87
87
87
87
85
87

Pressure (mb)

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

Ozone (du)

298
296
301
304
308
314
320
327
330
336
337
340
339
319
313
308
300
292
287
282
281
280
280
278

Saturday 20

New Moon 0%

09:35

16:09

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 08:36, Set: 16:25, Transit: 12:30. Moon - Rise: 09:35, Set: 16:09. Civil Dark: 17:05 - 07:56. Nautical Dark: 17:49 - 07:13. Astro Dark: 18:29 - 06:32

Total Clouds (% Sky Obscured)

100
99
98
95
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
89
78

Low Clouds (% Sky Obscured)

85
78
71
64
46
51
42
19
13
9
39
47
42
39
40
48
51
54
58
39
26
11
5
2

Medium Clouds (% Sky Obscured)

89
94
91
85
85
79
94
59
54
93
83
91
96
81
92
88
43
79
31
26
65
26
89
63

High Clouds (% Sky Obscured)

94
92
67
63
75
99
95
96
94
100
96
100
100
100
99
93
93
100
99
100
100
99
80
59

ISS Passover

Visibility (miles)

9
9
9
8
6
7
6
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

11
19
46
64
70
63
44
11
12
0
1
21
28
32
20
4
2
1
2
2
0
0
1
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
81
79
82
85
88
91
93
95
95
93
93
93
95
91
88
85
85
84
81
79
79
78
78

Pressure (mb)

1018
1018
1017
1016
1016
1015
1014
1014
1014
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

277
275
274
274
276
277
277
277
279
280
277
279
280
280
278
276
276
277
276
278
278
278
278
279

Sunday 21

Waxing Crescent 2%

10:16

17:16

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 08:37, Set: 16:26, Transit: 12:31. Moon - Rise: 10:16, Set: 17:16. Civil Dark: 17:06 - 07:57. Nautical Dark: 17:49 - 07:13. Astro Dark: 18:30 - 06:32

Total Clouds (% Sky Obscured)

68
75
84
92
88
85
81
82
84
86
85
85
85
91
95
100
100
100
100
98
95
93
72
52

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

23
22
27
26
25
68
62
28
28
86
85
85
85
89
87
86
86
85
82
86
90
93
72
52

High Clouds (% Sky Obscured)

39
35
27
20
23
20
20
25
35
45
42
42
42
61
81
100
100
100
100
91
82
74
61
46

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
6
7
8
8
9
8
8
7
6
6
5
5
5
4
4
4
4
4
3
3
4
4
4

Dew Point (°C)

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

Relative Humidity (%)

78
75
73
68
67
69
73
77
80
80
77
74
73
74
74
74
74
75
76
78
78
76
78
78

Pressure (mb)

1012
1013
1013
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012

Ozone (du)

277
278
281
283
286
289
293
297
302
306
308
309
310
310
314
317
318
322
323
323
323
326
328
331

Monday 22

Waxing Crescent 6%

10:45

18:30

09 OK
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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 08:37, Set: 16:26, Transit: 12:31. Moon - Rise: 10:45, Set: 18:30. Civil Dark: 17:06 - 07:57. Nautical Dark: 17:50 - 07:14. Astro Dark: 18:30 - 06:33

Total Clouds (% Sky Obscured)

31
30
34
33
56
74
93
95
98
100
96
95
96
97
99
99
99
99
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
57
57
69
62
48
47
33
23
14
9
5
5
0
0

Medium Clouds (% Sky Obscured)

31
30
34
33
56
71
70
73
75
78
50
31
19
14
9
2
1
1
0
1
2
5
6
5

High Clouds (% Sky Obscured)

31
26
20
10
34
56
82
88
94
100
0
0
0
1
2
3
7
6
5
10
10
15
30
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 (%)

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
1
3
2
9
12

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
3
3
3
3
3
3
3
3
3
3
3
4
4

Chance of Frost

Temperature (°C)

6
7
7
7
8
8
7
7
6
6
5
5
5
5
4
4
4
4
3
3
3
3
2
3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
75
75
75
74
75
77
79
82
82
83
86
86
88
88
89
91
91
93
93
91
93
93
91

Pressure (mb)

1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1013
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

333
336
341
344
350
357
368
372
374
377
380
382
384
386
387
387
388
387
387
387
388
389
391
388

Tuesday 23

Waxing Crescent 12%

11:07

19:48

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 08:37, Set: 16:27, Transit: 12:32. Moon - Rise: 11:07, Set: 19:48. Civil Dark: 17:07 - 07:57. Nautical Dark: 17:50 - 07:14. Astro Dark: 18:31 - 06:33

Total Clouds (% Sky Obscured)

100
100
100
100
97
94
91
94
97
100
98
95
92
86
81
75
81
88
94
95
97
98
98
97

Low Clouds (% Sky Obscured)

1
0
0
0
2
4
7
11
12
17
16
19
25
36
45
46
60
73
87
92
94
96
96
97

Medium Clouds (% Sky Obscured)

4
2
1
0
0
0
0
3
9
22
18
9
0
0
0
0
2
4
7
15
24
28
25
24

High Clouds (% Sky Obscured)

55
60
60
55
48
37
23
14
10
10
10
10
20
20
24
24
23
18
13
5
5
5
5
10

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 (%)

14
13
12
10
10
8
3
7
8
8
7
5
0
0
0
0
1
1
1
7
11
12
11
9

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
85
82
76
80
85
88
89
93
94
94
94
94
93
93
91
91
91
89
89
91
91
89

Pressure (mb)

1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

385
383
381
379
377
378
378
379
381
383
385
385
385
385
385
385
386
384
383
381
381
381
381
379

Wednesday 24

Waxing Crescent 19%

11:24

21:06

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

Sun - Rise: 08:38, Set: 16:27, Transit: 12:32. Moon - Rise: 11:24, Set: 21:06. Civil Dark: 17:08 - 07:58. Nautical Dark: 17:51 - 07:14. Astro Dark: 18:32 - 06:34

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

97
94
90
83
83
85
87
90
92
96
96
95
93
92
92
90

Medium Clouds (% Sky Obscured)

27
31
36
40
44
28
27
19
19
20
19
19
18
18
18
23

High Clouds (% Sky Obscured)

30
40
70
80
79
78
82
78
70
66
44
36
25
24
26
28

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
Snow
Snow
None
None
None

Precipitation Probability (%)

4
5
4
2
7
8
6
20
26
30
36
41
45
39
34
29

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.1
0.1
0
0
0

Wind Speed/Direction (mph)

9
9
10
10
10
9
9
9
8
8
7
7
8
8
9
7

Chance of Frost

Temperature (°C)

3
4
4
4
4
4
4
4
4
4
4
3
3
3
3
3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
88
86
83
82
82
82
85
85
85
88
88
88
86
86
86

Pressure (mb)

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

Ozone (du)

378
377
378
379
379
381
383
385
384
384
384
385
387
389
388
386

Forecast for Dinslaken, Düsseldorf District, Germany (51.57,6.75)

Generated: 18/12/25 09:19:30. Forecast: 18/12/25 to 24/12/25. Timezone: UTC+1.00