Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 27

Waxing Gibbous 68%

11:22

04:03

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:45, Set: 16:47, Transit: 12:17. Moon - Rise: 11:22, Set: 04:03. Civil Dark: 17:23 - 07:09. Nautical Dark: 18:03 - 06:29. Astro Dark: 18:42 - 05:51

Total Clouds (% Sky Obscured)

100
100
97
91
52
49
80
100
99
74
82
91
92
100
100
100
100
100
98
98
100
97
96
98

Low Clouds (% Sky Obscured)

100
94
79
68
52
49
32
44
20
20
21
30
37
46
47
51
55
54
64
65
61
65
63
80

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
10
37
40
53
24
68
98
100
100
98
79
78
86
83
79
80

High Clouds (% Sky Obscured)

0
6
14
59
38
9
72
100
98
61
54
58
82
100
100
100
100
99
77
90
54
72
42
85

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
86
87
89
91
89
87
87
87
86
87
87
87
89
91
89
89
89
86
83
81
81
80
84

Pressure (mb)

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

Ozone (du)

438
439
434
426
416
405
393
385
382
377
376
374
374
375
373
371
368
364
362
363
364
364
363
363

Wednesday 28

Waxing Gibbous 78%

12:13

05:24

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:44, Set: 16:49, Transit: 12:17. Moon - Rise: 12:13, Set: 05:24. Civil Dark: 17:25 - 07:08. Nautical Dark: 18:05 - 06:28. Astro Dark: 18:43 - 05:49

Total Clouds (% Sky Obscured)

100
100
98
100
100
99
98
99
100
99
100
100
97
97
99
99
99
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

85
85
85
93
93
90
87
89
93
93
95
93
92
90
89
89
88
84
91
85
77
85
82
89

Medium Clouds (% Sky Obscured)

76
72
50
43
42
33
29
68
72
25
22
38
46
40
96
93
92
91
79
64
72
66
90
89

High Clouds (% Sky Obscured)

93
94
77
75
75
80
80
75
72
91
94
94
62
60
58
62
78
78
76
93
96
95
87
89

ISS Passover

Visibility (miles)

9
9
9
8
8
8
8
8
9
8
8
8
6
6
7
5
5
8
8
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
1
1
0
0
0
0
1
0
0
1
0
0
0
0
4
1
1
1
2

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)

7
7
7
7
7
7
7
6
7
6
6
6
7
7
7
7
7
8
8
8
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
91
89
87
86
87
89
89
89
91
92
92
91
89
87
89
87
83
79
77
75
74
74
74

Pressure (mb)

999
999
999
999
1000
1000
1000
1000
1001
1001
1001
1001
1002
1002
1002
1003
1003
1004
1004
1004
1004
1004
1004
1004

Ozone (du)

362
359
359
362
364
365
367
369
375
381
385
395
404
409
416
417
418
418
417
417
418
426
436
441

Thursday 29

Waxing Gibbous 88%

13:23

06:28

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:43, Set: 16:50, Transit: 12:17. Moon - Rise: 13:23, Set: 06:28. Civil Dark: 17:26 - 07:07. Nautical Dark: 18:06 - 06:27. Astro Dark: 18:45 - 05:48

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
98
100
100
100
100
100
100
100
100
100
93
89
88
87
92
90
96
94

Low Clouds (% Sky Obscured)

91
100
100
100
82
77
80
81
81
80
80
82
87
84
86
84
80
76
74
73
79
78
83
83

Medium Clouds (% Sky Obscured)

90
86
86
85
87
91
85
89
70
65
59
45
40
35
35
33
33
38
57
63
59
57
50
49

High Clouds (% Sky Obscured)

90
92
82
76
51
42
24
16
36
39
44
69
69
49
39
38
44
52
50
53
59
47
32
15

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
1
1
1
1
1
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
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

3
5
6
9
10
11
14
16
18
15
14
15
23
36
41
34
28
24
20
17
17
17
19
20

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
74
77
80
81
83
84
83
83
86
86
86
87
87
87
87
87
86
83
78
75
71
71
72

Pressure (mb)

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

Ozone (du)

446
447
448
452
454
457
455
449
447
449
449
447
444
445
446
450
455
445
438
427
427
422
416
413

Friday 30

Waxing Gibbous 94%

14:47

07:15

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 OK
15 OK

Sun - Rise: 07:41, Set: 16:52, Transit: 12:18. Moon - Rise: 14:47, Set: 07:15. Civil Dark: 17:28 - 07:05. Nautical Dark: 18:08 - 06:26. Astro Dark: 18:46 - 05:47

Total Clouds (% Sky Obscured)

94
85
95
96
98
97
92
80
73
74
87
71
66
77
69
68
73
72
72
64
58
55
36
32

Low Clouds (% Sky Obscured)

83
78
84
86
88
89
84
70
65
64
74
59
56
67
64
64
69
69
68
63
58
54
36
32

Medium Clouds (% Sky Obscured)

45
46
47
50
43
33
33
45
50
46
40
40
47
40
34
23
11
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

15
17
17
11
6
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
8
9
9
9
9
9
8
9
9
9
8
8
8
8
8
8
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 (%)

25
21
20
22
20
18
14
11
8
8
7
2
5
4
3
4
3
2
4
3
1
1
1
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
9
8
8
8
7
7
6
6
5
6
6
7
7
8
8
9
9
9
10
11
11
11
11

Chance of Frost

Temperature (°C)

-1
-2
-2
-2
-3
-2
-3
-3
-3
-3
-4
-4
-5
-5
-5
-6
-6
-6
-5
-4
-4
-3
-3
-3

Feels Like (°C)

-6
-6
-6
-7
-7
-6
-7
-7
-6
-6
-7
-8
-8
-8
-10
-10
-10
-10
-10
-9
-9
-9
-8
-8

Dew Point (°C)

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

Relative Humidity (%)

75
79
79
79
81
81
81
81
82
82
81
81
81
81
80
79
77
74
70
65
61
58
56
56

Pressure (mb)

1009
1009
1009
1009
1009
1010
1010
1010
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011

Ozone (du)

405
399
395
395
397
394
393
390
387
382
381
380
380
378
381
383
383
383
384
385
386
387
386
384

Saturday 31

Waxing Gibbous 99%

No Rise

07:46

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

Sun - Rise: 07:40, Set: 16:54, Transit: 12:18. Moon - Rise: No Rise, Set: 07:46. Civil Dark: 17:30 - 07:04. Nautical Dark: 18:09 - 06:24. Astro Dark: 18:48 - 05:46

Total Clouds (% Sky Obscured)

27
27
25
29
31
36
33
34
31
38
49
57
56
54
53
27
21
18
20
22
29
44
59
60

Low Clouds (% Sky Obscured)

27
27
25
26
25
24
22
21
23
31
42
51
51
46
32
27
21
18
20
22
21
24
28
41

Medium Clouds (% Sky Obscured)

0
0
0
11
23
34
28
23
16
11
6
1
1
0
0
12
10
8
8
10
20
22
28
30

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
18
29
44
59
60

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 (%)

1
1
1
0
0
0
2
1
0
0
0
0
1
0
0
3
3
2
3
2
1
5
7
7

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
10
9
9
8
8
7
7
7
6
6
6
6
5
5
5
5
6
6
7
7
8
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-11
-12
-13
-13
-14
-15
-16
-16
-16
-16
-16
-16
-16
-17
-17
-18
-16
-15
-16
-16
-16
-16
-16
-15

Relative Humidity (%)

55
57
57
56
54
52
51
52
53
53
53
54
55
55
56
56
54
51
47
43
39
35
37
39

Pressure (mb)

1012
1012
1013
1013
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1013
1013
1012
1012
1012

Ozone (du)

381
381
381
382
385
386
390
391
392
393
394
394
395
397
399
401
402
404
405
405
405
405
406
406

Sunday 1

Full Moon 100%

16:16

08:08

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 OK
15 OK

Sun - Rise: 07:38, Set: 16:56, Transit: 12:18. Moon - Rise: 16:16, Set: 08:08. Civil Dark: 17:31 - 07:03. Nautical Dark: 18:11 - 06:23. Astro Dark: 18:49 - 05:45

Total Clouds (% Sky Obscured)

65
60
55
35
30
30
29
34
38
65
74
70
78
83
86
77
66
58
57
57
56
50
39
35

Low Clouds (% Sky Obscured)

41
34
37
35
30
30
29
34
38
39
42
45
58
65
67
61
51
39
26
17
12
16
19
24

Medium Clouds (% Sky Obscured)

40
45
40
35
20
20
14
14
9
17
14
8
8
4
0
8
15
25
34
40
45
32
19
10

High Clouds (% Sky Obscured)

65
60
55
35
30
30
29
20
0
7
15
22
15
8
0
0
0
0
0
0
2
2
2
2

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
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

16
13
12
25
35
45
50
51
53
45
35
19
13
8
5
5
5
4
4
3
2
5
6
3

Precipitation Amount (mm)

0
0
0
0
0
0.1
0.2
0.2
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-15
-14
-14
-13
-13
-13
-13
-13
-13
-13
-14
-14
-14
-14
-15
-15
-15
-15
-15
-15
-15
-16
-16
-16

Relative Humidity (%)

40
45
50
55
56
58
60
60
59
61
57
56
54
55
55
55
52
50
47
42
38
35
36
38

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009

Ozone (du)

407
406
406
405
419
433
448
444
441
438
431
424
417
410
403
396
392
388
385
384
383
383
383
382

Monday 2

Waning Gibbous 99%

17:44

08:24

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

Sun - Rise: 07:36, Set: 16:58, Transit: 12:18. Moon - Rise: 17:44, Set: 08:24. Civil Dark: 17:33 - 07:01. Nautical Dark: 18:12 - 06:22. Astro Dark: 18:51 - 05:43

Total Clouds (% Sky Obscured)

32
26
20
28
34
39
44
44
40
46
51
57
60
64
72
80
87
92
88
85
81

Low Clouds (% Sky Obscured)

9
5
4
6
11
26
31
31
40
45
46
57
60
64
69
74
83
90
87
84
81

Medium Clouds (% Sky Obscured)

7
4
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
7
11
17
24
31

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

Fog (%)

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

Precipitation Probability (%)

6
5
0
1
3
3
2
1
0
0
1
1
2
3
1
2
2
0
1
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-7
-8
-7
-9
-9
-9
-9
-10
-9
-10
-10
-10
-10
-10
-10
-12
-13
-12
-12
-12

Dew Point (°C)

-16
-15
-15
-15
-15
-15
-15
-14
-14
-13
-14
-14
-15
-14
-14
-13
-13
-13
-12
-12
-12

Relative Humidity (%)

38
41
44
47
49
51
54
57
58
60
59
58
58
60
63
67
67
65
67
64
61

Pressure (mb)

1009
1009
1009
1010
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010

Ozone (du)

382
381
381
380
380
381
381
380
378
377
376
374
373
373
374
375
375
376
377
376
374

Forecast for Heidenau, Germany (50.97,13.86)

Generated: 27/01/26 16:17:09. Forecast: 27/01/26 to 02/02/26. Timezone: UTC+1.00