Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 13

Waning Crescent 27%

02:46

13:15

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

Sun - Rise: 08:29, Set: 16:23, Transit: 12:26. Moon - Rise: 02:46, Set: 13:15. Civil Dark: 17:03 - 07:50. Nautical Dark: 17:46 - 07:07. Astro Dark: 18:27 - 06:26

Total Clouds (% Sky Obscured)

60
61
54
80
72
84
70
80
78
91
79
72
50
48
47
52
40
40
35
28
35
39
40
39

Low Clouds (% Sky Obscured)

60
56
54
69
69
77
70
80
78
87
79
72
50
48
47
52
40
40
35
27
34
37
38
36

Medium Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
3
30
45
3
30
5
19
10
19
13
2
2
2
3
5
2
2
4
3
3
1
0
1

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 (%)

5
0
2
1
4
19
26
23
8
6
11
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
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
4
4
4
4
4
4
5
5
5
5
6
7
8
7
7
7
6
7
7
7
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
5
5
5
5
5
5
5
5
5
4
4
4
5
5
5
5
5
5
5
4
4

Relative Humidity (%)

96
96
96
94
96
96
94
96
96
96
94
91
85
82
79
79
82
87
90
90
90
91
90
90

Pressure (mb)

1028
1028
1028
1028
1028
1027
1027
1026
1026
1026
1026
1026
1026
1026
1025
1024
1024
1023
1023
1022
1022
1022
1021
1021

Ozone (du)

326
324
328
329
328
324
324
323
323
323
321
317
312
307
305
304
305
307
306
306
304
304
303
303

Sunday 14

Waning Crescent 19%

03:57

13:28

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

Sun - Rise: 08:30, Set: 16:23, Transit: 12:27. Moon - Rise: 03:57, Set: 13:28. Civil Dark: 17:03 - 07:50. Nautical Dark: 17:46 - 07:07. Astro Dark: 18:27 - 06:27

Total Clouds (% Sky Obscured)

50
47
45
49
46
48
47
47
47
48
42
32
0
0
0
0
5
27
81
18
30
28
6
19

Low Clouds (% Sky Obscured)

50
47
45
49
46
48
47
47
41
39
35
27
0
0
0
0
0
0
28
18
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
15
0
0
0
4
0
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
55
2
24
23
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
1
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
9
9
9
10
11
11
12
12
11
11
11
12
11
11
11
11
11
10
10
10
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
88
88
86
85
83
83
80
78
76
78
75
70
68
65
67
69
73
75
78
79
81
82
82

Pressure (mb)

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

Ozone (du)

302
303
304
306
307
308
309
314
321
326
333
337
336
330
317
299
295
299
301
300
299
299
300
302

Monday 15

Waning Crescent 12%

05:10

13:44

23 OK
00 OK
01 Bad
02 OK
03 Bad
04 Good
05 Good
06 Good
07 OK
08 Good
09 Good
10 Good
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: 08:31, Set: 16:24, Transit: 12:27. Moon - Rise: 05:10, Set: 13:44. Civil Dark: 17:04 - 07:51. Nautical Dark: 17:46 - 07:08. Astro Dark: 18:27 - 06:27

Total Clouds (% Sky Obscured)

25
36
79
32
72
16
0
8
28
0
5
14
75
78
91
85
83
58
79
93
87
81
75
83

Low Clouds (% Sky Obscured)

0
0
1
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)

9
14
34
17
2
3
0
7
13
0
0
0
3
14
20
69
83
58
48
93
87
81
75
83

High Clouds (% Sky Obscured)

25
7
29
15
67
15
0
0
0
0
5
14
74
65
81
71
47
30
30
35
30
25
20
47

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
82
84
81
79
78
77
73
65
64
63
64
60
59
57
57
59
62
68
71
70
69
66
64

Pressure (mb)

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

Ozone (du)

307
312
314
314
315
312
312
311
308
306
304
306
307
308
306
304
301
301
304
304
301
301
308
313

Tuesday 16

Waning Crescent 7%

06:22

14:05

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: 08:32, Set: 16:24, Transit: 12:28. Moon - Rise: 06:22, Set: 14:05. Civil Dark: 17:04 - 07:52. Nautical Dark: 17:47 - 07:09. Astro Dark: 18:27 - 06:28

Total Clouds (% Sky Obscured)

92
100
85
70
55
56
59
65
65
67
69
78
86
95
97
98
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
4
7
11
7
4
2
19
39
58
68
78
88
86
85
83
84
85
85
87
89
92
93

Medium Clouds (% Sky Obscured)

90
89
13
15
14
18
21
20
13
8
6
5
7
8
12
13
13
18
25
29
29
36
29
31

High Clouds (% Sky Obscured)

73
100
72
29
0
0
0
0
0
0
0
15
30
45
61
82
99
99
98
97
98
99
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
3
1
1
8
22
24
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
0
0
0
0
0
0
1
1
2
3
3
3
4
5
5
5
6
6
7
6
6
6
7

Relative Humidity (%)

63
63
64
66
67
70
71
74
75
79
82
81
78
78
81
85
85
88
91
93
93
93
94
94

Pressure (mb)

1017
1017
1017
1017
1018
1018
1018
1019
1019
1020
1020
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1023
1023

Ozone (du)

320
313
294
289
284
285
294
301
307
315
323
336
345
347
345
339
340
339
333
332
329
327
326
324

Wednesday 17

Waning Crescent 3%

07:33

14:35

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 OK
14 OK
15 OK
16 OK
17 OK
18 OK
19 OK
20 OK
21 OK
22 OK

Sun - Rise: 08:32, Set: 16:24, Transit: 12:28. Moon - Rise: 07:33, Set: 14:35. Civil Dark: 17:04 - 07:52. Nautical Dark: 17:47 - 07:09. Astro Dark: 18:28 - 06:29

Total Clouds (% Sky Obscured)

97
98
98
99
100
93
74
71
78
76
63
57
52
54
47
42
35
28
23
20
26
32
37
28

Low Clouds (% Sky Obscured)

90
92
84
75
62
57
54
50
53
47
32
32
26
27
25
24
22
19
13
8
9
7
6
8

Medium Clouds (% Sky Obscured)

29
31
21
15
13
52
16
19
19
17
15
10
5
0
0
0
0
0
1
1
2
3
4
11

High Clouds (% Sky Obscured)

97
98
97
98
100
69
36
7
17
27
37
46
52
54
47
42
35
28
23
20
26
32
37
27

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
6
4
1
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)

6
5
5
5
5
5
5
4
4
4
4
6
6
8
9
9
9
10
11
11
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
96
96
94
94
94
94
96
96
96
96
91
85
81
82
82
84
84
84
84
81
79
75

Pressure (mb)

1023
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1022
1022
1021
1021
1020
1020
1019
1019
1019
1019
1018
1018
1018

Ozone (du)

323
319
316
314
310
309
308
307
307
303
299
303
304
300
299
294
289
284
282
279
277
277
278
278

Thursday 18

Waning Crescent 1%

08:38

15:16

23 OK
00 Good
01 OK
02 OK
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: 08:33, Set: 16:25, Transit: 12:29. Moon - Rise: 08:38, Set: 15:16. Civil Dark: 17:05 - 07:53. Nautical Dark: 17:48 - 07:10. Astro Dark: 18:28 - 06:29

Total Clouds (% Sky Obscured)

19
11
24
39
51
70
86
100
100
100
100
100
100
100
100
99
99
99
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

10
11
24
39
51
66
67
63
69
79
90
93
96
99
94
89
84
81
83
80
82
87
91
91

Medium Clouds (% Sky Obscured)

19
11
23
17
12
15
21
44
66
81
100
97
95
93
92
92
91
94
97
100
100
100
100
93

High Clouds (% Sky Obscured)

13
0
4
8
12
34
57
76
80
85
85
78
72
71
63
55
47
55
63
72
81
91
100
70

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
0
0
0
0
6
14
18
27
45
62
57
55
54
44
44
47
45
55
68
62
57
67
73

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.4
0.2
0.2
0.2
0
0
0
0
0.2
0.4
0.3
0.2
0.4
0.5

Wind Speed/Direction (mph)

12
12
12
13
13
13
13
12
12
12
11
11
10
10
9
8
7
6
5
5
4
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
77
77
75
75
77
77
77
79
78
78
77
77
77
77
81
84
87
90
91
94
94
96
98

Pressure (mb)

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

Ozone (du)

277
276
275
274
272
271
271
271
271
271
271
271
273
274
276
277
279
280
286
292
297
302
307
311

Friday 19

Waning Crescent 0%

09:32

16:10

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 OK

Sun - Rise: 08:33, Set: 16:25, Transit: 12:29. Moon - Rise: 09:32, Set: 16:10. Civil Dark: 17:05 - 07:54. Nautical Dark: 17:48 - 07:11. Astro Dark: 18:29 - 06:30

Total Clouds (% Sky Obscured)

97
95
95
96
96
93
90
87
85
84
83
78
73
65
57
55
55
47
36
28

Low Clouds (% Sky Obscured)

90
90
91
92
94
91
88
86
84
83
83
78
73
65
57
55
55
47
36
28

Medium Clouds (% Sky Obscured)

83
71
69
71
75
75
85
85
72
63
55
34
17
0
0
0
0
21
36
28

High Clouds (% Sky Obscured)

40
10
15
15
15
15
15
15
20
25
30
23
20
17
22
31
31
47
36
28

ISS Passover

Visibility (miles)

6
8
9
7
5
3
3
4
4
6
8
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

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

Precipitation Probability (%)

75
76
73
70
72
89
95
95
83
67
50
39
34
28
22
19
14
12
8
4

Precipitation Amount (mm)

0.5
0.5
0.4
0.4
0.4
0.6
0.8
0.8
0.5
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
94
96
94
96
94
93
93
93
91
91
91
90
90
90
91
91
91
91

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020

Ozone (du)

317
323
329
332
335
338
332
326
321
318
315
312
308
303
298
293
289
284
283
283

Forecast for Velbert, Düsseldorf District, Germany (51.34,7.04)

Generated: 13/12/25 23:06:05. Forecast: 13/12/25 to 19/12/25. Timezone: UTC+1.00