Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 22

Waxing Crescent 10%

11:34

18:17

19 Bad
20 OK
21 OK
22 OK
23 OK
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

Sun - Rise: 08:03, Set: 16:33, Transit: 12:18. Moon - Rise: 11:34, Set: 18:17. Civil Dark: 17:11 - 07:25. Nautical Dark: 17:52 - 06:44. Astro Dark: 18:32 - 06:04

Total Clouds (% Sky Obscured)

59
44
32
37
31
57
62
94
98
94
95
100
100
97
100
100
100
82
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
29
63
71
68
79
75
72
98
100
100
100

Medium Clouds (% Sky Obscured)

2
2
5
8
14
22
62
75
91
68
70
91
64
54
96
100
87
38
95
87
99
88
93
96

High Clouds (% Sky Obscured)

9
7
9
2
30
45
26
81
90
86
85
100
98
18
100
70
100
0
100
100
35
25
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
0
0

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
Very Light Rain
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
14
75
95
95
94

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
1.5
1.3
0.9

Wind Speed/Direction (mph)

8
8
9
9
9
9
10
10
10
10
11
11
12
13
14
14
15
15
17
17
16
17
18
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-9
-9
-9
-9
-9
-9
-9
-9
-10
-12
-13
-13
-13
-13
-13
-13
-15
-13
-14
-12
-10
-7
-1
-1

Relative Humidity (%)

51
50
51
53
55
57
57
54
50
44
42
41
40
39
38
36
32
32
30
35
41
55
92
96

Pressure (mb)

1023
1022
1022
1021
1020
1019
1019
1018
1018
1017
1016
1015
1014
1014
1013
1012
1011
1009
1008
1006
1004
1003
1002
1001

Ozone (du)

288
289
287
288
289
290
289
287
279
274
276
274
274
273
276
275
274
274
274
274
270
269
271
272

Sunday 23

Waxing Crescent 16%

12:12

No Set

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 08:05, Set: 16:32, Transit: 12:18. Moon - Rise: 12:12, Set: No Set. Civil Dark: 17:10 - 07:27. Nautical Dark: 17:51 - 06:45. Astro Dark: 18:31 - 06:05

Total Clouds (% Sky Obscured)

93
98
95
91
93
82
80
86
95
75
93
98
100
100
100
100
100
100
100
100
97
88
90
94

Low Clouds (% Sky Obscured)

90
98
94
81
86
82
80
86
77
65
62
79
69
90
100
100
90
100
100
100
94
80
81
83

Medium Clouds (% Sky Obscured)

39
0
3
31
6
0
0
0
3
3
12
94
100
100
94
99
99
42
100
100
94
87
28
94

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
15
15
15
15
1
0
0
0
0
0
2
2
2
15
18
1
20

ISS Passover

Visibility (miles)

0
0
9
9
9
9
9
9
9
5
9
9
9
9
2
2
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

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

Precipitation Probability (%)

58
19
7
30
21
18
5
13
18
22
15
26
17
81
95
48
48
69
89
88
81
52
24
19

Precipitation Amount (mm)

0.4
0
0
0
0
0
0
0
0
0
0
0
0
0.6
1.5
0
0.2
0.5
1
0.9
0.5
0
0
0

Wind Speed/Direction (mph)

14
13
12
11
10
10
10
10
10
11
11
12
12
13
13
12
12
11
11
10
9
10
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
92
88
89
94
93
91
88
88
91
91
93
93
91
93
94
91
88
83
82
80
80
80
82

Pressure (mb)

1001
1000
1000
1000
999
999
999
998
998
997
997
996
996
996
995
995
995
994
994
993
993
994
994
994

Ozone (du)

276
281
287
290
289
289
289
286
287
289
289
289
290
293
297
300
299
297
297
297
299
300
299
297

Monday 24

Waxing Crescent 25%

12:39

19:25

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 08:06, Set: 16:31, Transit: 12:19. Moon - Rise: 12:39, Set: 19:25. Civil Dark: 17:09 - 07:28. Nautical Dark: 17:51 - 06:46. Astro Dark: 18:30 - 06:07

Total Clouds (% Sky Obscured)

96
100
95
99
100
100
97
100
100
100
100
100
100
100
100
99
100
100
99
97
96
96
96
95

Low Clouds (% Sky Obscured)

90
86
91
97
100
100
95
100
100
100
100
100
100
100
99
99
100
100
96
93
89
86
83
81

Medium Clouds (% Sky Obscured)

84
50
53
83
82
77
57
84
80
76
43
74
100
71
24
34
52
79
36
29
20
20
19
25

High Clouds (% Sky Obscured)

1
1
1
12
15
3
9
20
20
20
25
30
29
2
30
23
17
4
3
2
1
1
1
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 (%)

0
0
0
0
0
0
0
0
0
0
0
39
100
100
100
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 (%)

12
24
35
44
44
34
20
13
14
11
3
8
11
21
14
13
18
5
20
25
33
20
26
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
83
82
80
82
85
88
88
88
89
89
89
89
89
88
85
80
80
85
88
91
89
93
91

Pressure (mb)

994
995
995
996
996
996
997
997
998
998
999
1000
1001
1001
1003
1003
1004
1005
1005
1006
1007
1007
1008
1009

Ozone (du)

298
299
297
299
303
307
309
310
310
311
311
312
314
317
319
316
308
305
306
307
306
306
306
308

Tuesday 25

Waxing Crescent 34%

13:00

20:40

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 08:08, Set: 16:30, Transit: 12:19. Moon - Rise: 13:00, Set: 20:40. Civil Dark: 17:08 - 07:29. Nautical Dark: 17:50 - 06:48. Astro Dark: 18:30 - 06:08

Total Clouds (% Sky Obscured)

95
94
93
96
98
100
100
100
99
99
100
100
100
99
99
97
95
92
93
93
93
88
83
79

Low Clouds (% Sky Obscured)

82
84
86
91
95
100
100
100
99
99
100
100
99
98
97
94
90
87
89
90
93
88
83
79

Medium Clouds (% Sky Obscured)

21
20
36
51
25
25
18
9
6
5
7
8
17
21
19
18
15
10
7
4
0
0
0
0

High Clouds (% Sky Obscured)

1
3
9
1
2
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
3
9
9
9

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
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 (%)

18
19
16
29
31
24
23
19
14
11
8
1
7
7
2
8
8
4
9
21
6
16
6
3

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
91
91
91
88
86
85
83
85
85
80
80
82
82
79
77
73
71
75
85
82
79
80

Pressure (mb)

1009
1010
1011
1011
1012
1012
1012
1013
1014
1014
1015
1016
1016
1017
1018
1018
1019
1019
1019
1020
1020
1020
1021
1021

Ozone (du)

311
310
308
310
313
316
318
319
318
319
321
325
327
330
329
328
325
316
311
311
312
309
308
310

Wednesday 26

Waxing Crescent 44%

13:16

21:58

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 08:09, Set: 16:29, Transit: 12:19. Moon - Rise: 13:16, Set: 21:58. Civil Dark: 17:08 - 07:31. Nautical Dark: 17:49 - 06:49. Astro Dark: 18:29 - 06:09

Total Clouds (% Sky Obscured)

77
73
72
72
73
72
73
76
78
84
89
94
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

77
73
72
69
64
62
50
35
7
22
33
44
49
55
60
55
45
30
28
27
26
36
50
65

Medium Clouds (% Sky Obscured)

0
0
0
3
4
4
0
3
0
3
6
9
46
57
59
71
78
92
90
88
86
89
91
91

High Clouds (% Sky Obscured)

0
1
2
11
22
33
41
52
60
60
62
60
95
97
100
100
100
100
78
57
35
24
18
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
9
9
9
9

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
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
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

2
3
0
1
0
0
0
0
0
0
0
0
23
29
45
52
56
69
72
67
65
52
35
20

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.3
0.3
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
79
80
82
84
88
89
91
91
91
91
89
91
88
86
83
80
76
73
73
73
72
73
76

Pressure (mb)

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

Ozone (du)

310
312
312
312
312
312
311
308
307
305
303
302
300
300
299
298
296
294
292
290
289
287
286
285

Thursday 27

Waxing Crescent 55%

13:29

23:17

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 08:11, Set: 16:28, Transit: 12:20. Moon - Rise: 13:29, Set: 23:17. Civil Dark: 17:07 - 07:32. Nautical Dark: 17:49 - 06:50. Astro Dark: 18:29 - 06:10

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

77
88
100
100
100
100
100
100
100
100
99
99
99
99
99
99
99
100
100
100
100
96
93
89

Medium Clouds (% Sky Obscured)

89
87
85
87
87
86
84
81
79
79
80
81
72
64
59
50
39
31
32
34
40
52
67
83

High Clouds (% Sky Obscured)

22
27
32
33
34
21
24
28
29
15
8
4
5
6
6
31
56
77
51
32
7
8
7
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
9
9
9
9

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

20
21
21
28
27
27
22
18
20
25
26
9
19
26
40
55
59
57
45
34
18
34
44
50

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
9
9
9
9
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
76
75
75
77
79
80
82
82
82
83
85
86
86
85
86
85
85
84
84
85
85
85
87

Pressure (mb)

1021
1021
1021
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1019
1019
1019

Ozone (du)

284
283
282
280
279
277
276
275
274
273
273
272
272
271
271
271
271
272
273
273
273
272
273
273

Friday 28

First Quarter 55%

13:41

00:36

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
10 Bad
11 Bad
12 Bad

Sun - Rise: 08:12, Set: 16:28, Transit: 12:20. Moon - Rise: 13:41, Set: 00:36. Civil Dark: 17:06 - 07:34. Nautical Dark: 17:48 - 06:52. Astro Dark: 18:28 - 06:12

Total Clouds (% Sky Obscured)

99
98
98
96
93
90
87
82
76
73
71
67
67
62
57
58
58
57

Low Clouds (% Sky Obscured)

92
94
96
86
77
66
53
40
32
32
38
38
38
39
40
42
41
33

Medium Clouds (% Sky Obscured)

68
51
39
38
37
41
45
45
45
20
10
0
3
6
9
10
15
25

High Clouds (% Sky Obscured)

26
42
56
61
65
55
55
53
55
46
38
33
32
29
20
16
15
17

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

100
100
100
100
100
100
100
100
100
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

Precipitation Probability (%)

35
21
6
21
23
31
29
24
13
5
4
4
2
2
3
11
18
28

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
87
87
87
88
90
91
91
91
91
93
93
90
86
83
79
75

Pressure (mb)

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

Ozone (du)

273
273
274
274
275
276
277
276
275
274
273
273
272
271
270
269
269
269

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

Generated: 22/11/25 19:56:19. Forecast: 22/11/25 to 28/11/25. Timezone: UTC+1.00