Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 20

Waxing Crescent 8%

09:24

No Set

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

Sun - Rise: 08:02, Set: 16:50, Transit: 12:26. Moon - Rise: 09:24, Set: No Set. Civil Dark: 17:26 - 07:26. Nautical Dark: 18:06 - 06:46. Astro Dark: 18:45 - 06:07

Total Clouds (% Sky Obscured)

9
7
7
3
3
3
4
3
2
2
2
2
2
2
0
0
0
0
0
0
0
0
2
2

Low Clouds (% Sky Obscured)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1

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)

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

Chance of Frost

Temperature (°C)

-5
-5
-6
-6
-6
-7
-7
-7
-8
-8
-8
-8
-8
-8
-8
-5
-2
-1
0
1
1
1
-1
-2

Feels Like (°C)

-6
-6
-7
-7
-8
-8
-9
-9
-9
-9
-9
-10
-10
-9
-9
-6
-4
-2
-1
0
1
1
-2
-4

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
92
90
89
87
85
82
83
83
80
82
82
74
63
57
53
52
54
61
74
84
87

Pressure (mb)

1020
1020
1020
1020
1019
1019
1018
1018
1017
1017
1016
1016
1015
1015
1014
1014
1013
1011
1010
1009
1008
1008
1008
1008

Ozone (du)

352
355
357
357
358
359
361
363
364
363
361
361
365
366
369
369
369
369
368
369
370
371
373
375

Wednesday 21

Waxing Crescent 15%

09:38

19:57

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

Sun - Rise: 08:01, Set: 16:52, Transit: 12:26. Moon - Rise: 09:38, Set: 19:57. Civil Dark: 17:28 - 07:25. Nautical Dark: 18:08 - 06:45. Astro Dark: 18:46 - 06:06

Total Clouds (% Sky Obscured)

2
2
2
2
2
2
2
2
2
2
1
2
1
1
1
1
1
2
2
2
4
6
24
30

Low Clouds (% Sky Obscured)

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

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)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
2
2
2
3
6
24
30

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)

2
1
2
3
3
3
3
2
2
3
3
2
2
2
2
2
2
2
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

-4
-5
-6
-7
-7
-8
-9
-9
-9
-9
-10
-10
-10
-10
-10
-7
-4
-3
-2
-1
-0
-1
-2
-4

Feels Like (°C)

-5
-5
-7
-8
-8
-9
-10
-9
-10
-10
-11
-11
-12
-11
-11
-8
-5
-4
-3
-2
-2
-2
-3
-7

Dew Point (°C)

-5
-7
-7
-8
-9
-9
-10
-10
-10
-11
-11
-11
-12
-12
-13
-12
-10
-11
-10
-9
-8
-6
-5
-7

Relative Humidity (%)

89
89
90
90
90
90
90
92
90
90
90
88
86
86
78
67
60
55
52
52
55
68
81
82

Pressure (mb)

1008
1008
1007
1007
1006
1006
1005
1005
1005
1004
1004
1004
1004
1004
1005
1004
1004
1003
1003
1002
1002
1003
1003
1003

Ozone (du)

376
376
375
373
373
373
374
375
374
374
374
373
373
374
377
380
381
380
378
380
380
375
371
370

Thursday 22

Waxing Crescent 23%

09:50

21:15

19 OK
20 OK
21 Bad
22 Bad
23 OK
00 OK
01 OK
02 OK
03 OK
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: 08:00, Set: 16:53, Transit: 12:27. Moon - Rise: 09:50, Set: 21:15. Civil Dark: 17:29 - 07:24. Nautical Dark: 18:09 - 06:44. Astro Dark: 18:48 - 06:06

Total Clouds (% Sky Obscured)

25
37
57
52
31
24
22
35
35
90
100
99
100
100
99
89
100
100
77
61
61
75
69
64

Low Clouds (% Sky Obscured)

1
1
1
2
3
4
7
15
15
15
14
14
14
14
13
8
3
1
1
1
1
1
2
2

Medium Clouds (% Sky Obscured)

0
0
4
3
3
3
3
35
35
60
68
72
64
63
99
88
100
100
62
36
40
41
49
58

High Clouds (% Sky Obscured)

25
37
57
52
31
24
9
15
5
66
84
97
100
100
52
85
77
20
15
8
2
13
8
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 (%)

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)

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

Chance of Frost

Temperature (°C)

-5
-7
-7
-8
-8
-8
-9
-9
-10
-10
-10
-10
-10
-10
-9
-7
-4
-3
-2
-1
-1
-1
-2
-3

Feels Like (°C)

-8
-10
-10
-11
-11
-11
-11
-11
-13
-13
-12
-13
-13
-13
-12
-10
-8
-6
-5
-3
-2
-1
-4
-6

Dew Point (°C)

-8
-9
-9
-9
-9
-10
-10
-11
-13
-14
-13
-13
-13
-13
-13
-12
-10
-9
-9
-8
-7
-4
-4
-4

Relative Humidity (%)

84
85
87
88
90
88
90
88
77
74
74
77
77
75
71
67
64
62
61
62
66
78
86
91

Pressure (mb)

1004
1004
1004
1004
1005
1005
1005
1005
1004
1004
1004
1003
1004
1004
1004
1003
1003
1003
1002
1002
1002
1001
1002
1002

Ozone (du)

371
372
372
368
366
367
369
368
366
361
362
364
366
368
370
369
368
368
368
364
359
356
354
354

Friday 23

Waxing Crescent 33%

10:04

22:33

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

Sun - Rise: 07:59, Set: 16:55, Transit: 12:27. Moon - Rise: 10:04, Set: 22:33. Civil Dark: 17:31 - 07:23. Nautical Dark: 18:10 - 06:43. Astro Dark: 18:49 - 06:05

Total Clouds (% Sky Obscured)

60
42
56
55
50
49
57
69
80
65
47
24
41
63
85
90
95
100
99
98
98
93
67
51

Low Clouds (% Sky Obscured)

1
1
1
1
1
1
1
1
2
0
0
0
0
0
0
16
27
36
30
22
16
29
43
51

Medium Clouds (% Sky Obscured)

50
15
16
54
50
49
57
69
80
65
47
24
36
47
61
60
61
64
75
85
95
82
46
20

High Clouds (% Sky Obscured)

7
5
5
6
8
9
18
17
16
12
9
10
22
38
54
69
85
100
67
33
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
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
5
7
4
12
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
2
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-6
-6
-6
-7
-7
-8
-9
-9
-9
-9
-9
-9
-9
-8
-8
-8
-8
-8
-7
-7
-6
-4
-4
-4

Relative Humidity (%)

90
90
92
89
87
84
82
80
82
82
82
83
83
90
85
75
69
64
62
62
66
77
86
89

Pressure (mb)

1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1003
1003
1003
1003
1002
1002
1002
1001
1001
1001
1002

Ozone (du)

355
356
359
361
363
365
367
368
370
373
376
377
377
378
380
381
382
383
384
384
385
387
389
392

Saturday 24

Waxing Crescent 44%

10:18

23:53

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 OK
08 OK
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:57, Set: 16:56, Transit: 12:27. Moon - Rise: 10:18, Set: 23:53. Civil Dark: 17:32 - 07:22. Nautical Dark: 18:12 - 06:42. Astro Dark: 18:50 - 06:04

Total Clouds (% Sky Obscured)

56
70
71
76
73
69
74
78
82
85
81
55
30
36
41
47
52
62
74
85
96
97
98
100

Low Clouds (% Sky Obscured)

56
69
71
69
62
55
59
64
67
74
78
55
29
32
36
43
51
62
74
85
96
97
92
86

Medium Clouds (% Sky Obscured)

13
7
3
3
3
3
1
0
0
1
2
1
1
1
0
1
2
3
4
6
3
4
4
5

High Clouds (% Sky Obscured)

0
0
0
0
0
0
2
3
4
7
9
11
3
1
0
18
37
55
69
82
95
97
98
97

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
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
1
1
2
0
0
0
1
2
0
1
0
0
1
1
1
4
5
2
7
7
5

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
91
91
89
89
85
85
84
86
87
87
92
94
91
91
87
81
77
73
76
80
84
87
91

Pressure (mb)

1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1001
1001
1001
1001
1001
1001
1001

Ozone (du)

396
398
401
403
402
403
405
405
407
407
405
406
408
411
415
418
421
423
426
425
425
425
428
430

Sunday 25

Waxing Crescent 56%

10:37

01:16

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: 07:56, Set: 16:58, Transit: 12:27. Moon - Rise: 10:37, Set: 01:16. Civil Dark: 17:34 - 07:21. Nautical Dark: 18:13 - 06:41. Astro Dark: 18:52 - 06:03

Total Clouds (% Sky Obscured)

100
100
100
99
98
97
94
91
87
85
84
82
89
94
100
98
98
97
98
99
100
98
95
93

Low Clouds (% Sky Obscured)

86
80
83
74
69
54
51
45
39
45
59
67
70
73
76
80
84
88
92
96
100
98
95
93

Medium Clouds (% Sky Obscured)

5
0
1
2
4
6
7
8
9
8
22
30
54
81
100
85
82
61
55
49
47
52
56
61

High Clouds (% Sky Obscured)

82
66
54
42
31
19
31
41
54
70
84
82
79
45
32
17
10
2
6
11
16
12
7
0

ISS Passover

Visibility (miles)

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

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 (%)

15
16
11
12
11
11
9
7
3
11
12
7
12
12
8
20
21
19
20
19
16
17
18
16

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
96
96
96
98
96
98
98
96
96
94
96
91
87
86
83
81
78
81
83
84
87
87

Pressure (mb)

1001
1001
1001
1002
1002
1002
1002
1001
1001
1001
1001
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002

Ozone (du)

433
434
435
436
437
439
440
441
442
443
443
442
441
440
439
438
435
431
427
421
415
409
403
398

Monday 26

First Quarter 53%

11:02

02:43

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: 07:55, Set: 17:00, Transit: 12:27. Moon - Rise: 11:02, Set: 02:43. Civil Dark: 17:35 - 07:19. Nautical Dark: 18:15 - 06:40. Astro Dark: 18:53 - 06:02

Total Clouds (% Sky Obscured)

92
93
94
90
86
83
86
89
91
95
98
100
99
98
96
89
82
73

Low Clouds (% Sky Obscured)

92
93
94
81
67
54
50
51
49
51
53
47
56
65
69
74
79
73

Medium Clouds (% Sky Obscured)

74
82
83
78
73
68
49
30
14
23
34
45
51
49
39
23
12
3

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
4
5
7
8
10
10
10
15
15
35
45

ISS Passover

Visibility (miles)

1
3
4
5
5
5
5
5
6
6
7
8
9
7
4
1
3
4

Fog (%)

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

Precipitation Probability (%)

19
22
23
21
19
17
15
11
3
6
7
7
11
17
24
28
31
32

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
92
92
94
96
96
98
98
98
96
96
98
96
94
92
89
89
91

Pressure (mb)

1002
1002
1001
1001
1001
1001
1000
1000
999
999
999
998
998
998
998
998
998
998

Ozone (du)

392
391
391
390
387
385
382
381
380
380
382
384
386
389
392
395
403
410

Forecast for Rotheul, Germany (50.28,11.23)

Generated: 20/01/26 19:00:30. Forecast: 20/01/26 to 26/01/26. Timezone: UTC+1.00