Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 4

Waning Gibbous 96%

17:36

09:54

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
07 Bad
08 Bad
09 Bad

Sun - Rise: 08:13, Set: 16:26, Transit: 12:20. Moon - Rise: 17:36, Set: 09:54. Civil Dark: 17:04 - 07:35. Nautical Dark: 17:45 - 06:54. Astro Dark: 18:25 - 06:15

Total Clouds (% Sky Obscured)

99
94
100
100
77
69
77
88
99
95
96
97
100
98
95
95
90
83
78
82
84
100
100
93

Low Clouds (% Sky Obscured)

85
94
100
85
74
65
74
87
99
95
96
97
99
96
95
95
89
79
72
77
80
100
100
91

Medium Clouds (% Sky Obscured)

30
17
0
0
0
0
0
0
0
0
0
2
45
40
18
18
22
18
16
15
28
31
34
25

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
3
0
0
0
0
0
3
3
2
0
2
0
0
0

ISS Passover

Visibility (miles)

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

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
20
17
12
26
20
6
3
13
6
10
2
3
1
10
3
4
13
14
17
15
20

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)

14
13
12
12
11
11
10
9
9
8
7
5
3
4
4
3
3
3
2
2
2
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
91
89
89
83
81
87
92
92
92
92
94
96
96
96
96
96
94
94
94
94
94
94
92

Pressure (mb)

1011
1011
1011
1011
1011
1011
1012
1012
1012
1013
1013
1014
1014
1014
1014
1014
1015
1015
1014
1015
1015
1015
1015
1016

Ozone (du)

377
380
380
366
357
355
358
361
356
351
352
354
355
356
359
363
365
367
367
368
367
366
367
372

Monday 5

Waning Gibbous 91%

19:04

09:54

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
07 Bad
08 Bad
09 Bad

Sun - Rise: 08:13, Set: 16:27, Transit: 12:20. Moon - Rise: 19:04, Set: 09:54. Civil Dark: 17:05 - 07:35. Nautical Dark: 17:46 - 06:54. Astro Dark: 18:26 - 06:14

Total Clouds (% Sky Obscured)

84
78
79
79
76
78
80
80
81
80
73
72
87
90
92
96
99
100
100
98
98
99
98
97

Low Clouds (% Sky Obscured)

82
75
74
75
70
71
73
74
75
75
65
63
75
77
80
93
98
100
100
95
95
98
98
97

Medium Clouds (% Sky Obscured)

21
4
1
1
0
0
0
0
0
1
2
8
40
60
68
69
81
91
78
60
65
2
0
0

High 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

ISS Passover

Visibility (miles)

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

Fog (%)

2
4
3
2
1
1
1
1
1
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 (%)

14
5
4
2
19
3
16
3
0
0
0
2
0
1
1
0
3
14
13
22
26
20
19
14

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
87
84
81
79
76
84
89
92
94
96
96
96
94
94
94
94
94
92
94
92
92
94
94

Pressure (mb)

1016
1016
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1019

Ozone (du)

371
372
374
376
378
378
379
387
400
404
408
412
412
408
405
401
396
397
399
403
403
405
408
411

Tuesday 6

Waning Gibbous 83%

20:27

10:14

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
07 Bad
08 Bad
09 Bad

Sun - Rise: 08:13, Set: 16:28, Transit: 12:21. Moon - Rise: 20:27, Set: 10:14. Civil Dark: 17:06 - 07:35. Nautical Dark: 17:47 - 06:54. Astro Dark: 18:27 - 06:14

Total Clouds (% Sky Obscured)

100
82
84
100
92
96
80
67
57
57
55
69
83
81
92
88
97
98
100
100
96
88
81
74

Low Clouds (% Sky Obscured)

100
82
84
100
91
96
80
67
56
56
50
68
75
68
79
70
91
96
100
100
93
77
61
46

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
11
6
11
5
8
0
1
0
0
2
4
7

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

1
2
5
9
9
9
9
9
3
3
2
2
2
1
1
1
0
0
1
1
1
1
1
1

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 (%)

5
4
8
6
1
6
1
0
1
0
0
0
0
2
13
0
13
2
2
0
13
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
87
84
81
79
81
91
92
94
92
92
92
92
92
92
90
92
92
92
92
94
94
94
92

Pressure (mb)

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

Ozone (du)

414
417
414
409
408
405
403
402
404
405
402
401
402
402
401
402
400
402
403
403
404
406
410
405

Wednesday 7

Waning Gibbous 74%

21:45

10:29

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

Sun - Rise: 08:12, Set: 16:29, Transit: 12:21. Moon - Rise: 21:45, Set: 10:29. Civil Dark: 17:07 - 07:34. Nautical Dark: 17:49 - 06:53. Astro Dark: 18:28 - 06:14

Total Clouds (% Sky Obscured)

72
68
48
48
42
65
87
52
71
76
75
78
97
87
95
100
100
99
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

39
27
9
7
1
1
19
37
65
71
74
78
90
87
95
100
100
99
99
100
100
93
87
81

Medium Clouds (% Sky Obscured)

15
19
23
34
36
63
86
39
30
38
54
45
38
24
6
8
11
22
42
76
100
100
100
97

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
0
1
10
0
0
0
0
0
15
30
44
63
81
100

ISS Passover

Visibility (miles)

2
5
8
9
9
9
9
9
3
2
4
4
6
7
5
5
6
7
7
6
5
2
5
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
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
0
0
0
0
0
0
0
0
7
13
15
20
21
20
19
17
16
18
17
24
13
21
15

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
87
82
78
73
79
89
94
92
92
92
92
92
90
90
90
90
89
90
87
84
85
85
82

Pressure (mb)

1021
1021
1020
1019
1018
1018
1018
1018
1019
1019
1019
1019
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1016

Ozone (du)

396
401
402
402
402
403
399
401
401
400
392
389
387
392
387
368
358
341
338
336
337
336
339
339

Thursday 8

Waning Gibbous 65%

23:00

10:42

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
07 Bad
08 Bad
09 Bad

Sun - Rise: 08:12, Set: 16:31, Transit: 12:21. Moon - Rise: 23:00, Set: 10:42. Civil Dark: 17:08 - 07:34. Nautical Dark: 17:50 - 06:53. Astro Dark: 18:29 - 06:14

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

83
85
88
92
96
100
100
100
100
100
100
100
95
91
88
91
95
100
99
99
99
98
97
96

Medium Clouds (% Sky Obscured)

98
97
95
90
88
87
90
86
48
41
38
39
66
86
98
99
99
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

68
37
5
10
15
20
26
50
65
69
53
54
66
60
54
43
32
23
43
71
100
100
100
100

ISS Passover

Visibility (miles)

5
6
7
7
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Light Rain

Precipitation Probability (%)

30
43
49
46
54
79
89
69
66
54
46
35
21
19
28
48
57
64
65
67
68
75
83
87

Precipitation Amount (mm)

0
0.2
0.2
0.1
0.2
0.5
0.6
0.3
0.4
0.3
0.2
0.1
0
0
0
0.2
0.2
0.3
0.3
0.4
0.4
0.5
0.6
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-6
-7
-8
-7
-6
-4
-3
-3
-2
-2
-2
-1
-1
-0
0
0
0
0
0
1
0
1
1
1

Relative Humidity (%)

79
76
69
69
74
86
96
96
96
96
96
98
98
96
98
98
98
98
98
98
98
100
100
98

Pressure (mb)

1016
1015
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1011
1011
1010
1009
1008
1007
1006
1005

Ozone (du)

338
341
342
337
337
335
340
342
342
342
338
336
335
334
331
329
327
325
322
322
322
322
320
319

Friday 9

Waning Gibbous 55%

00:12

10:54

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
07 Bad
08 Bad
09 Bad

Sun - Rise: 08:11, Set: 16:32, Transit: 12:22. Moon - Rise: 00:12, Set: 10:54. Civil Dark: 17:10 - 07:34. Nautical Dark: 17:51 - 06:53. Astro Dark: 18:30 - 06:13

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
97
94
93
92
92
92
93
92
92
94
96
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

95
94
93
88
85
82
79
77
78
78
78
81
84
86
89
89
89
89
92
95
98
98
98
98

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
97
94
93
92
92
90
80
60
55
59
63
70
69
65
64
70
78
82

High Clouds (% Sky Obscured)

100
100
100
100
100
100
68
37
5
5
5
5
5
5
10
37
50
69
66
47
6
11
17
20

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

80
71
55
48
43
39
64
82
93
81
62
30
28
29
31
33
33
31
45
54
56
63
66
64

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
7
8
8
8
8
8
8
10
12
12
12
12
11
11
11
12
13
13
13
13
13
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
98
100
98
98
96
96
96
94
93
93
91
89
89
89
89
89
91
94
96
96
98

Pressure (mb)

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

Ozone (du)

318
318
318
319
317
316
315
321
327
333
339
346
352
358
363
369
365
362
358
365
371
378
380
383

Saturday 10

Third Quarter 45%

01:23

11:06

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: 08:11, Set: 16:33, Transit: 12:22. Moon - Rise: 01:23, Set: 11:06. Civil Dark: 17:11 - 07:33. Nautical Dark: 17:52 - 06:52. Astro Dark: 18:31 - 06:13

Total Clouds (% Sky Obscured)

99
98
97
98
98
98
98
95
94
91
89
91
95
98
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

98
98
97
96
95
93
93
92
93
89
87
85
83
79
74
81
89
96
96
95
94

Medium Clouds (% Sky Obscured)

80
84
80
83
86
84
83
81
78
53
27
0
29
56
72
82
91
100
100
100
100

High Clouds (% Sky Obscured)

22
17
16
4
1
0
0
0
0
18
36
53
69
84
100
100
99
98
98
99
100

ISS Passover

Visibility (miles)

0
0
1
1
1
1
1
1
2
2
3
5
6
4
2
0
0
0
0
0
0

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

68
66
56
62
65
60
58
53
42
39
36
29
24
22
21
55
79
95
95
95
95

Precipitation Amount (mm)

0.3
0.3
0.2
0.3
0.3
0.2
0.2
0.2
0
0
0
0
0
0
0
0.2
0.5
0.7
1.1
1.6
1.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
94
91
89
88
88
86
86
84
83
83
81
87
92
98
98
98
98
100
98

Pressure (mb)

1001
1002
1003
1003
1004
1005
1006
1006
1007
1008
1009
1009
1010
1009
1009
1008
1007
1005
1004
1003
1001

Ozone (du)

386
388
389
391
388
385
381
379
377
375
373
371
369
366
363
361
358
354
351
348
344

Forecast for Rotheul, Germany (50.28,11.23)

Generated: 04/01/26 10:46:17. Forecast: 04/01/26 to 10/01/26. Timezone: UTC+1.00