Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 20

Waxing Crescent 8%

09:37

19:56

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

Sun - Rise: 08:20, Set: 16:42, Transit: 12:31. Moon - Rise: 09:37, Set: 19:56. Civil Dark: 17:22 - 07:41. Nautical Dark: 18:05 - 06:57. Astro Dark: 18:46 - 06:16

Total Clouds (% Sky Obscured)

3
3
0
1
16
35
23
22
17
15
8
4
25
34
30
32
20
33
37
56
72
76
83
55

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)

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

High Clouds (% Sky Obscured)

3
1
0
1
16
35
23
22
17
15
8
4
25
34
30
32
20
33
37
56
72
76
83
55

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-6
-6
-7
-7
-7
-7
-7
-8
-8
-8
-8
-8
-9
-9
-9
-9
-8
-8
-7
-6
-6
-6
-7
-7

Relative Humidity (%)

72
72
71
71
69
69
69
68
68
67
65
67
65
63
59
55
53
52
55
59
65
70
68
67

Pressure (mb)

1017
1017
1017
1016
1015
1015
1014
1014
1013
1012
1012
1011
1011
1011
1011
1010
1009
1008
1008
1007
1007
1007
1007
1007

Ozone (du)

348
347
346
347
347
346
347
345
344
345
344
345
345
344
345
346
348
349
350
350
352
353
356
356

Wednesday 21

Waxing Crescent 15%

09:46

19:56

20 OK
21 OK
22 Bad
23 Bad
00 Bad
01 Bad
02 OK
03 Good
04 OK
05 OK
06 OK
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

Sun - Rise: 08:19, Set: 16:44, Transit: 12:31. Moon - Rise: 09:46, Set: 19:56. Civil Dark: 17:23 - 07:40. Nautical Dark: 18:07 - 06:56. Astro Dark: 18:48 - 06:15

Total Clouds (% Sky Obscured)

27
40
67
88
85
71
23
10
26
46
38
49
50
62
92
93
90
83
83
82
84
85
93
98

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
22
33
38
43
43
38
36
31
24
0
0
0
0
27
62
58

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
30
43
40
45
40
45
45
45
39
50

High Clouds (% Sky Obscured)

25
40
62
65
69
63
23
10
19
42
11
15
26
49
75
81
80
63
64
47
31
44
83
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 (%)

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
7
8
8
9
9
9
9
9
9
9
9
9
10
11
12
11
11
10
10
10
10
11
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-8
-9
-9
-9
-10
-10
-10
-10
-10
-10
-11
-11
-11
-11
-11
-11
-12
-11
-12
-11
-10
-9
-9
-9

Relative Humidity (%)

64
64
64
64
63
63
62
61
62
62
61
62
62
62
60
53
48
46
44
47
52
58
60
64

Pressure (mb)

1007
1007
1006
1006
1006
1006
1006
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1004
1004
1004
1004
1004
1004

Ozone (du)

356
358
360
363
363
362
363
365
365
364
362
361
361
360
360
360
360
358
356
355
354
353
355
359

Thursday 22

Waxing Crescent 23%

09:55

21:18

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
19 Bad

Sun - Rise: 08:18, Set: 16:46, Transit: 12:32. Moon - Rise: 09:55, Set: 21:18. Civil Dark: 17:25 - 07:38. Nautical Dark: 18:08 - 06:55. Astro Dark: 18:49 - 06:14

Total Clouds (% Sky Obscured)

98
96
99
98
100
90
88
79
84
78
60
69
68
62
49
68
77
66
58
44
45
52
58
53

Low Clouds (% Sky Obscured)

57
46
49
36
41
43
46
40
39
35
35
36
29
22
21
0
0
0
1
1
3
6
10
19

Medium Clouds (% Sky Obscured)

79
88
89
94
94
86
79
72
61
37
34
38
45
36
20
48
58
46
49
21
45
52
58
53

High Clouds (% Sky Obscured)

94
60
87
86
98
34
46
18
38
41
5
4
3
18
21
68
51
41
51
39
45
52
55
50

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)

9
10
10
10
9
10
10
10
11
11
11
11
11
11
11
12
12
12
11
11
11
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-9
-9
-9
-9
-9
-9
-10
-9
-10
-11
-11
-11
-11
-11
-10
-8
-8
-8
-8
-9
-10
-11
-11

Dew Point (°C)

-9
-9
-9
-9
-10
-10
-9
-10
-10
-11
-11
-11
-11
-11
-12
-12
-12
-12
-12
-12
-11
-11
-12
-13

Relative Humidity (%)

65
66
66
65
64
65
68
66
65
61
62
65
65
63
61
58
53
49
49
49
52
55
56
55

Pressure (mb)

1005
1005
1005
1005
1005
1005
1005
1004
1004
1004
1004
1004
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005

Ozone (du)

360
361
362
360
358
356
355
356
358
363
366
366
368
375
381
383
386
388
388
390
393
395
399
405

Friday 23

Waxing Crescent 33%

10:04

22:40

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
19 Bad

Sun - Rise: 08:16, Set: 16:47, Transit: 12:32. Moon - Rise: 10:04, Set: 22:40. Civil Dark: 17:27 - 07:37. Nautical Dark: 18:10 - 06:54. Astro Dark: 18:51 - 06:13

Total Clouds (% Sky Obscured)

56
57
67
86
99
100
98
94
99
100
99
99
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

29
38
53
60
74
64
75
75
85
100
99
99
100
100
95
95
90
90
90
86
81
81
72
70

Medium Clouds (% Sky Obscured)

56
46
32
64
70
69
43
13
55
54
50
46
31
34
43
42
41
32
47
59
61
63
64
72

High Clouds (% Sky Obscured)

50
50
26
46
53
31
37
30
27
33
16
3
0
0
0
5
5
14
18
21
24
19
10
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 (%)

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-11
-11
-12
-11
-11
-12
-12
-11
-11
-11
-11
-11
-10
-10
-9
-9
-9
-8
-8
-7
-7
-8
-7
-7

Dew Point (°C)

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

Relative Humidity (%)

55
55
54
56
56
57
57
59
61
63
65
67
67
67
65
61
59
57
57
58
60
65
68
71

Pressure (mb)

1005
1006
1006
1006
1006
1006
1006
1006
1006
1006
1005
1005
1006
1006
1006
1006
1005
1005
1005
1005
1005
1005
1005
1005

Ozone (du)

406
406
406
406
405
403
401
401
400
399
397
397
396
397
398
399
398
399
401
400
399
400
402
403

Saturday 24

Waxing Crescent 45%

10:15

00:05

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 OK
19 Bad

Sun - Rise: 08:15, Set: 16:49, Transit: 12:32. Moon - Rise: 10:15, Set: 00:05. Civil Dark: 17:28 - 07:36. Nautical Dark: 18:11 - 06:53. Astro Dark: 18:53 - 06:12

Total Clouds (% Sky Obscured)

99
99
99
99
99
98
99
99
99
89
96
94
94
95
90
85
77
73
70
68
58
48
38
47

Low Clouds (% Sky Obscured)

65
68
71
61
59
62
64
52
52
43
72
66
72
76
71
65
56
46
43
43
33
22
12
21

Medium Clouds (% Sky Obscured)

80
87
89
89
89
79
87
92
89
67
72
59
51
44
32
21
9
16
23
32
25
14
3
2

High Clouds (% Sky Obscured)

10
15
20
22
16
26
34
30
36
2
4
13
17
20
20
20
18
9
8
9
16
17
18
22

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
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 (%)

1
0
0
0
0
1
0
0
2
3
2
9
8
3
5
5
1
2
2
2
3
4
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-7
-7
-7
-7
-7
-7
-7
-8
-7
-7
-8
-8
-8
-8
-7
-7
-7
-3
-4
-3
-4
-3
-4

Dew Point (°C)

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

Relative Humidity (%)

73
75
78
81
81
84
84
85
85
84
89
90
89
87
86
81
75
70
72
74
75
79
84
91

Pressure (mb)

1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1004
1004
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005

Ozone (du)

404
404
402
401
401
398
396
394
395
398
399
397
397
397
396
395
394
393
393
394
395
395
396
396

Sunday 25

Waxing Crescent 56%

10:29

01:34

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
19 Bad

Sun - Rise: 08:13, Set: 16:51, Transit: 12:32. Moon - Rise: 10:29, Set: 01:34. Civil Dark: 17:30 - 07:35. Nautical Dark: 18:13 - 06:52. Astro Dark: 18:54 - 06:11

Total Clouds (% Sky Obscured)

58
67
75
84
93
90
87
85
89
94
98
99
99
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

33
45
59
78
91
88
85
79
84
89
95
97
98
99
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

1
0
2
5
7
11
8
10
10
15
20
23
25
33
33
33
31
21
12
3
18
34
49
49

High Clouds (% Sky Obscured)

25
30
35
41
51
53
64
72
83
91
90
68
46
24
17
10
4
3
2
1
24
48
75
65

ISS Passover

Visibility (miles)

9
8
8
5
3
0
0
0
0
0
1
1
1
1
0
1
1
1
3
5
7
7
7
6

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 (%)

13
7
18
20
25
23
21
22
19
16
16
19
21
20
20
20
19
18
17
15
17
17
16
18

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-4
-4
-4
-4
-4
-3
-3
-4
-3
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-3
-3
-3

Relative Humidity (%)

91
92
94
94
96
98
98
96
98
96
94
94
92
91
91
87
83
81
81
81
83
84
86
87

Pressure (mb)

1005
1005
1005
1005
1005
1005
1005
1005
1005
1004
1004
1004
1004
1005
1005
1005
1004
1004
1004
1003
1003
1003
1003
1002

Ozone (du)

398
401
403
403
402
401
403
405
407
404
402
399
394
390
385
381
377
374
373
372
371
373
374
376

Monday 26

First Quarter 68%

10:49

03:06

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: 16:53, Transit: 12:33. Moon - Rise: 10:49, Set: 03:06. Civil Dark: 17:32 - 07:33. Nautical Dark: 18:15 - 06:50. Astro Dark: 18:56 - 06:09

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

100
100
97
94
91
64
37
19
25
34
52
73
85
91
93
94
95

Medium Clouds (% Sky Obscured)

48
40
37
33
30
34
41
47
68
86
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

56
46
30
17
7
16
26
35
59
78
97
95
94
94
92
91
88

ISS Passover

Visibility (miles)

7
8
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3

Fog (%)

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
Snow
Snow
Snow

Precipitation Probability (%)

19
18
16
13
6
9
8
5
6
5
0
6
9
9
40
55
67

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.2
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-4
-4
-5
-5
-5
-7
-7
-7
-7
-7
-7
-8
-8
-9
-8
-8

Dew Point (°C)

-4
-4
-4
-5
-5
-6
-6
-6
-6
-6
-6
-6
-5
-5
-5
-4
-2

Relative Humidity (%)

86
86
84
84
84
84
84
82
82
82
82
82
82
81
81
86
91

Pressure (mb)

1002
1002
1002
1001
1001
1000
1000
999
999
998
997
997
997
997
996
996
996

Ozone (du)

376
376
376
375
374
373
375
376
378
382
386
390
394
398
403
414
426

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

Generated: 20/01/26 19:26:05. Forecast: 20/01/26 to 26/01/26. Timezone: UTC+1.00