Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waning Gibbous 56%

00:32

10:33

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:21, Set: 16:40, Transit: 12:31. Moon - Rise: 00:32, Set: 10:33. Civil Dark: 17:20 - 07:41. Nautical Dark: 18:04 - 06:57. Astro Dark: 18:45 - 06:16

Total Clouds (% Sky Obscured)

51
48
50
80
90
100
100
100
100
100
100
100
100
98
100
100
100
99
96
87
60
62
73
79

Low Clouds (% Sky Obscured)

51
48
50
80
90
100
100
100
100
100
100
100
100
98
100
100
100
98
93
87
60
62
73
77

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
75
75
100
100
79
71
65
65
60
5
63
0
0
0
0
0
4
12

High Clouds (% Sky Obscured)

6
9
3
21
73
100
100
100
100
100
98
93
100
58
100
63
5
16
29
11
5
13
18
33

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
3
97
43
2
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
1
1
0
0
0
2
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
4
4
4
6
7
7
6
6
5
6
7
7
6
6
6
7
7
6
7
7
5
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
87
87
79
72
69
71
75
77
80
84
86
91
94
89
83
81
80
83
86
89
94
94
96

Pressure (mb)

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

Ozone (du)

272
271
272
276
287
292
290
289
292
292
292
297
300
300
302
308
319
327
331
330
330
331
334
340

Tuesday 21

Third Quarter 47%

01:47

10:41

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:20, Set: 16:42, Transit: 12:31. Moon - Rise: 01:47, Set: 10:41. Civil Dark: 17:22 - 07:40. Nautical Dark: 18:05 - 06:56. Astro Dark: 18:47 - 06:15

Total Clouds (% Sky Obscured)

85
87
92
83
86
73
93
86
58
67
76
79
82
89
69
72
52
97
96
95
100
100
100
100

Low Clouds (% Sky Obscured)

73
76
78
61
52
29
21
27
6
11
71
79
82
86
47
37
32
43
55
62
63
61
55
41

Medium Clouds (% Sky Obscured)

47
41
62
76
67
73
87
85
58
67
33
26
38
34
19
18
5
9
40
54
75
100
81
45

High Clouds (% Sky Obscured)

71
40
62
15
8
5
80
75
58
15
4
6
6
30
14
49
39
94
91
66
100
100
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
1
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
7
7
8
8
8
8
7
6
6
5
5
5
5
5
4
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
91
87
83
78
76
74
77
78
84
89
91
91
89
89
87
87
86
83
81
79
79
77
77

Pressure (mb)

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

Ozone (du)

344
349
356
359
358
351
345
341
337
333
333
334
335
332
332
332
334
335
334
333
331
330
329
329

Wednesday 22

Waning Crescent 44%

03:03

10:51

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:19, Set: 16:44, Transit: 12:31. Moon - Rise: 03:03, Set: 10:51. Civil Dark: 17:24 - 07:39. Nautical Dark: 18:07 - 06:55. Astro Dark: 18:48 - 06:14

Total Clouds (% Sky Obscured)

100
100
100
100
82
58
100
88
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

20
0
0
0
0
0
0
0
0
10
20
20
20
71
74
82
88
89
87
86
86
90
95
100

Medium Clouds (% Sky Obscured)

50
100
72
99
82
58
60
88
68
75
100
100
100
97
71
95
99
100
100
99
98
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
23
32
100
80
94
100
99
100
100
100
100
100
100
100
100
100
100
100
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
7
4
3
5

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
2
18
43
60
64
70
51
71
93
95
95
88

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.3
0
0.3
0.5
0.7
0.9
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
78
77
72
67
65
67
64
65
70
73
76
77
78
80
81
81
85
88
88
89
93
96
98

Pressure (mb)

1013
1012
1012
1012
1011
1010
1009
1008
1008
1007
1007
1007
1006
1006
1005
1004
1004
1003
1002
1001
1000
999
999
998

Ozone (du)

331
333
335
333
332
331
324
313
307
304
304
304
302
299
298
296
294
292
289
287
288
294
296
293

Thursday 23

Waning Crescent 37%

04:22

11:04

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:17, Set: 16:46, Transit: 12:32. Moon - Rise: 04:22, Set: 11:04. Civil Dark: 17:25 - 07:38. Nautical Dark: 18:08 - 06:54. Astro Dark: 18:50 - 06:13

Total Clouds (% Sky Obscured)

100
100
100
97
94
92
89
86
83
89
89
100
95
90
85
90
95
100
100
100
100
93
85
78

Low Clouds (% Sky Obscured)

100
100
100
95
91
86
88
85
83
83
82
83
84
84
85
89
95
99
100
100
100
93
85
78

Medium Clouds (% Sky Obscured)

99
99
98
91
19
12
8
4
58
77
24
35
88
77
65
73
87
100
97
73
89
28
11
0

High Clouds (% Sky Obscured)

98
95
94
81
11
0
0
3
55
60
44
100
68
33
0
0
5
5
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
0
0
0
0
9
9
9
9
9
9
9
9
9
9
9
9
0
0
6
7
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

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

Precipitation Probability (%)

65
59
41
47
51
48
42
24
5
5
4
2
5
5
2
15
77
71
58
78
59
24
19
15

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
7
7
7
8
9
9
10
10
10
10
9
9
10
10
11
11
12
13
14
17
17
16
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
96
98
96
91
89
82
73
73
77
85
86
88
89
88
85
96
94
93
93
88
80
80

Pressure (mb)

998
999
999
1000
1000
1001
1002
1003
1003
1004
1005
1006
1006
1007
1007
1007
1006
1006
1005
1005
1005
1006
1007
1007

Ozone (du)

291
290
291
291
300
303
300
303
309
313
322
326
331
349
371
392
400
404
413
413
401
391
382
374

Friday 24

Waning Crescent 28%

05:39

11:24

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:16, Set: 16:48, Transit: 12:32. Moon - Rise: 05:39, Set: 11:24. Civil Dark: 17:27 - 07:37. Nautical Dark: 18:10 - 06:53. Astro Dark: 18:51 - 06:11

Total Clouds (% Sky Obscured)

86
92
100
100
99
99
99
99
99
99
99
100
100
100
100
100
100
100
100
100
100
96
92
88

Low Clouds (% Sky Obscured)

86
92
97
78
73
65
52
77
84
78
78
77
95
95
99
98
99
100
95
90
84
59
33
8

Medium Clouds (% Sky Obscured)

5
11
16
28
63
94
98
98
97
96
96
95
99
100
100
99
98
97
89
81
75
76
75
72

High Clouds (% Sky Obscured)

40
61
91
74
55
38
48
58
69
78
86
93
88
76
62
69
76
82
71
64
60
63
58
56

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
6
6
9
5
6
7
8
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
Light Rain
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

11
7
3
4
6
10
28
44
79
71
85
72
86
95
95
94
77
59
50
41
33
26
17
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.5
0.3
0.5
0.3
0.5
0.6
0.7
0.6
0.4
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
76
77
83
88
85
82
85
83
88
88
86
90
90
90
90
91
90
91
87
85
82
82
83

Pressure (mb)

1008
1009
1009
1009
1009
1009
1008
1008
1007
1006
1006
1005
1004
1006
1006
1005
1006
1006
1006
1007
1007
1008
1008
1008

Ozone (du)

373
370
364
359
357
355
351
349
344
340
332
334
337
335
332
330
332
333
335
336
336
336
339
343

Saturday 25

Waning Crescent 19%

06:47

11:54

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:15, Set: 16:50, Transit: 12:32. Moon - Rise: 06:47, Set: 11:54. Civil Dark: 17:29 - 07:36. Nautical Dark: 18:12 - 06:51. Astro Dark: 18:53 - 06:10

Total Clouds (% Sky Obscured)

92
96
100
99
98
97
100
100
100
100
100
100
100
100
99
98
97
96
97
99
100
100
100
100

Low Clouds (% Sky Obscured)

7
6
5
27
41
52
52
56
85
85
85
90
85
74
64
44
24
5
6
5
5
5
5
5

Medium Clouds (% Sky Obscured)

75
77
80
80
80
80
87
97
100
96
93
88
74
63
62
73
82
90
88
87
86
87
89
91

High Clouds (% Sky Obscured)

72
87
100
97
93
78
84
89
100
100
100
100
98
96
94
95
94
95
97
99
100
100
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 (%)

2
1
1
4
2
2
23
30
33
28
22
15
13
10
1
3
1
0
0
0
0
2
10
24

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
8
7
6
6
6
6
7
8
9
11
14
13
13
14
12
10
8
8
8
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
85
85
85
83
82
81
84
88
91
88
85
82
78
75
73
75
76
77
80
82
85
86
88

Pressure (mb)

1008
1008
1009
1009
1009
1009
1008
1008
1008
1007
1007
1008
1008
1008
1009
1009
1010
1011
1012
1012
1013
1013
1013
1014

Ozone (du)

346
344
343
341
345
350
355
356
356
357
357
356
356
362
369
375
376
376
377
379
381
382
387
391

Sunday 26

Waning Crescent 12%

No Rise

12:40

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Good
19 OK
20 OK
21 OK
22 Bad
23 Bad
00 Bad

Sun - Rise: 08:13, Set: 16:52, Transit: 12:32. Moon - Rise: No Rise, Set: 12:40. Civil Dark: 17:31 - 07:34. Nautical Dark: 18:13 - 06:50. Astro Dark: 18:54 - 06:09

Total Clouds (% Sky Obscured)

100
100
99
99
100
100
90
79
69
51
34
15
23
31
39
56
73
91

Low Clouds (% Sky Obscured)

3
2
0
0
0
5
3
2
0
1
4
10
17
25
31
37
41
45

Medium Clouds (% Sky Obscured)

92
93
96
97
99
100
88
76
64
43
22
0
0
1
1
12
23
32

High Clouds (% Sky Obscured)

86
72
58
75
89
100
73
47
20
16
10
3
8
13
20
36
54
70

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

37
47
50
61
75
94
95
95
82
59
37
2
1
0
0
0
0
0

Precipitation Amount (mm)

0
0.2
0.2
0.3
0.4
0.8
0.8
0.8
0.6
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
88
86
86
82
78
75
74
73
72
76
80
83
85
85
88
86
86

Pressure (mb)

1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014

Ozone (du)

396
390
385
380
382
385
388
389
389
390
383
376
369
364
358
353
349
346

Forecast for Altona-Altstadt, Germany (53.55,9.95)

Generated: 20/01/25 06:20:36. Forecast: 20/01/25 to 26/01/25. Timezone: UTC+1.00