Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 18

Waning Gibbous 69%

02:52

09:36

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

Sun - Rise: 06:26, Set: 20:33, Transit: 13:30. Moon - Rise: 02:52, Set: 09:36. Civil Dark: 21:08 - 05:51. Nautical Dark: 21:52 - 05:07. Astro Dark: 22:40 - 04:17

Total Clouds (% Sky Obscured)

87
87
79
57
46
56
54
56
52
28
29
38
86
93
97
94
84
66
99
100
93
100
100
100

Low Clouds (% Sky Obscured)

80
62
52
52
36
48
46
44
43
26
14
31
53
52
47
46
55
57
68
50
54
67
70
58

Medium Clouds (% Sky Obscured)

42
40
29
7
0
0
0
0
2
2
2
2
3
53
71
84
58
20
5
18
66
96
96
94

High Clouds (% Sky Obscured)

0
0
0
2
38
45
51
53
52
15
29
34
76
68
89
25
1
7
95
100
65
100
92
94

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
1
22
5
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
2
2
3
4
3
3
3
4
5
6
6
6
5
4
4
3
3
4
4
4

Chance of Frost

Temperature (°C)

8
7
7
7
6
5
5
4
4
4
5
8
10
11
13
15
16
17
17
17
17
16
14
13

Feels Like (°C)

7
7
6
6
5
3
2
2
1
2
4
5
7
9
11
13
14
16
16
15
15
14
12
11

Dew Point (°C)

6
6
6
5
5
4
3
3
2
2
2
4
4
4
4
4
4
4
4
4
5
7
8
7

Relative Humidity (%)

88
91
90
90
91
91
91
91
91
89
82
75
69
63
55
50
47
42
41
42
44
55
64
69

Pressure (mb)

1014
1014
1013
1013
1013
1012
1012
1012
1012
1011
1011
1011
1011
1010
1010
1009
1008
1008
1007
1007
1007
1006
1006
1006

Ozone (du)

368
364
363
363
360
358
358
358
358
359
361
359
360
359
360
361
360
360
361
361
360
359
358
357

Saturday 19

Waning Gibbous 59%

03:34

10:46

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

Sun - Rise: 06:24, Set: 20:34, Transit: 13:29. Moon - Rise: 03:34, Set: 10:46. Civil Dark: 21:10 - 05:49. Nautical Dark: 21:54 - 05:05. Astro Dark: 22:42 - 04:14

Total Clouds (% Sky Obscured)

100
100
34
31
11
65
33
37
57
65
65
57
100
45
78
97
100
89
93
100
71
29
100
76

Low Clouds (% Sky Obscured)

67
35
32
0
9
30
33
37
47
38
25
11
29
4
20
67
70
38
56
57
1
0
0
0

Medium Clouds (% Sky Obscured)

87
94
17
18
3
2
2
0
23
26
31
17
29
24
40
45
86
89
92
81
71
29
68
20

High Clouds (% Sky Obscured)

100
99
2
0
0
47
0
2
0
0
2
27
100
20
30
65
81
2
4
0
22
29
99
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
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
Very Light Rain
None
Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
1
5
16
41
41
71
54
47
40
14
7
5
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0.8
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
4
3
3
3
3
3
3
2
2
1
3
8
13
10
8
7
7
4
2
1
2

Chance of Frost

Temperature (°C)

12
11
10
10
9
8
8
8
7
7
9
12
14
16
18
18
17
17
17
16
15
15
14
12

Feels Like (°C)

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

Dew Point (°C)

6
6
6
6
6
6
6
6
6
5
6
7
7
8
8
12
12
9
9
8
9
9
9
8

Relative Humidity (%)

68
71
73
78
82
85
87
88
88
87
78
69
62
59
54
66
72
59
58
59
64
64
71
79

Pressure (mb)

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

Ozone (du)

356
354
354
353
352
349
348
347
346
346
347
347
347
347
347
348
350
351
354
358
362
368
373
376

Sunday 20

Waning Gibbous 48%

04:05

12:05

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
20 Bad
21 Bad

Sun - Rise: 06:22, Set: 20:36, Transit: 13:29. Moon - Rise: 04:05, Set: 12:05. Civil Dark: 21:11 - 05:47. Nautical Dark: 21:56 - 05:02. Astro Dark: 22:45 - 04:11

Total Clouds (% Sky Obscured)

66
54
82
100
86
68
76
75
100
100
100
100
98
98
98
100
99
100
79
100
98
65
70
80

Low Clouds (% Sky Obscured)

0
0
0
22
35
32
23
0
0
46
47
43
48
59
45
61
57
62
58
55
55
54
59
65

Medium Clouds (% Sky Obscured)

58
4
0
0
2
31
57
75
87
86
100
100
97
94
97
100
97
100
76
76
92
27
24
31

High Clouds (% Sky Obscured)

66
52
82
100
68
37
55
34
100
100
100
100
44
82
51
100
80
100
37
92
75
1
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
7
3
9
4
9
9
9

Fog (%)

0
0
0
0
0
0
1
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
1
2
6
12
20
21
40
59
92
95
95
84
68
32
12
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.8
0.6
0.4
0.3
0
0
0

Wind Speed/Direction (mph)

2
1
3
3
4
4
4
4
5
5
5
7
10
8
9
10
13
10
7
7
7
7
7
5

Chance of Frost

Temperature (°C)

10
9
8
8
8
8
7
7
8
8
10
12
12
13
15
15
14
13
12
13
13
12
11
10

Feels Like (°C)

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

Dew Point (°C)

8
7
6
6
6
5
5
5
5
5
6
6
6
7
4
2
4
11
11
11
11
10
9
9

Relative Humidity (%)

83
82
84
87
87
84
84
82
81
78
76
66
66
65
47
42
50
86
90
90
90
86
87
90

Pressure (mb)

1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1012

Ozone (du)

373
372
372
368
367
368
368
368
370
373
375
375
377
378
378
378
378
378
380
384
388
385
371
367

Monday 21

Third Quarter 37%

04:27

13:28

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
20 Bad
21 Bad

Sun - Rise: 06:20, Set: 20:37, Transit: 13:29. Moon - Rise: 04:27, Set: 13:28. Civil Dark: 21:13 - 05:45. Nautical Dark: 21:58 - 05:00. Astro Dark: 22:48 - 04:08

Total Clouds (% Sky Obscured)

83
86
89
88
93
93
93
88
91
90
86
82
78
83
88
93
87
81
75
64
48
35
44
53

Low Clouds (% Sky Obscured)

68
75
81
84
83
82
80
79
78
77
71
66
61
57
54
50
49
47
46
34
22
11
23
35

Medium Clouds (% Sky Obscured)

30
22
22
18
27
47
41
32
28
19
18
17
15
28
72
93
87
81
72
61
48
35
44
53

High Clouds (% Sky Obscured)

0
0
1
1
15
10
2
2
3
2
1
0
1
3
0
3
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
6
7
9
7
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

13
23
14
8
6
5
6
10
10
4
3
3
5
27
43
51
55
54
57
59
52
41
25
17

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.2
0.3
0.3
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
10
10
9
9
9
10
9
10
10
11
12
13
14
14
15
15
15
15
14
14
13
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
91
88
91
93
93
95
96
91
87
83
73
66
61
59
61
60
60
68
79
80
83
86

Pressure (mb)

1013
1013
1013
1014
1014
1015
1015
1015
1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019

Ozone (du)

369
370
371
370
369
370
370
371
371
372
371
371
371
370
370
369
368
369
369
369
371
372
372
371

Tuesday 22

Waning Crescent 27%

04:45

14:52

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
20 Bad
21 Bad

Sun - Rise: 06:18, Set: 20:39, Transit: 13:29. Moon - Rise: 04:45, Set: 14:52. Civil Dark: 21:15 - 05:43. Nautical Dark: N/A - 04:57. Astro Dark: 22:50 - 04:05

Total Clouds (% Sky Obscured)

64
54
51
49
59
67
77
85
92
100
100
100
89
77
72
87
91
96
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

48
46
48
47
51
53
57
57
57
57
41
27
13
25
38
51
62
72
82
72
65
59
65
70

Medium Clouds (% Sky Obscured)

62
10
3
4
7
10
19
83
82
88
90
96
48
45
40
25
34
38
37
50
75
100
99
97

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
33
67
100
100
100
89
77
72
87
91
96
100
100
100
100
67
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
7

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
8
26
34
42
95
95
87
87
82
63
71
80

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

2
2
2
2
2
2
3
3
3
4
3
3
4
5
6
9
9
9
9
10
8
6
4
4

Chance of Frost

Temperature (°C)

11
10
9
8
8
8
7
7
7
7
9
10
12
15
16
15
16
16
15
14
14
13
12
11

Feels Like (°C)

10
9
10
9
8
7
7
6
5
5
7
9
11
14
14
13
13
13
13
12
12
12
12
9

Dew Point (°C)

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

Relative Humidity (%)

88
90
91
93
93
94
94
94
93
91
90
83
73
60
51
52
51
54
55
57
63
69
75
81

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1017
1017
1016
1016
1015
1015
1014
1013
1013
1013
1012
1012
1012

Ozone (du)

371
369
370
370
370
371
372
372
374
377
376
377
377
375
372
369
369
369
368
367
367
367
366
367

Wednesday 23

Waning Crescent 17%

05:00

16:18

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
20 Bad
21 Bad

Sun - Rise: 06:17, Set: 20:41, Transit: 13:29. Moon - Rise: 05:00, Set: 16:18. Civil Dark: 21:17 - 05:40. Nautical Dark: 22:00 - 04:55. Astro Dark: 22:53 - 04:01

Total Clouds (% Sky Obscured)

99
97
95
94
96
97
98
98
98
98
99
99
100
100
100
100
100
100
100
100
100
100
94
90

Low Clouds (% Sky Obscured)

75
80
83
86
91
94
97
97
97
97
96
95
96
93
90
87
83
79
73
71
70
69
67
65

Medium Clouds (% Sky Obscured)

96
96
95
94
94
93
90
89
88
88
91
94
98
77
55
30
53
75
100
100
99
99
94
90

High Clouds (% Sky Obscured)

0
0
5
5
5
5
5
5
5
0
33
68
100
100
100
100
100
100
100
100
100
100
82
60

ISS Passover

Visibility (miles)

4
2
3
4
5
6
8
9
9
9
9
9
9
8
8
8
8
8
8
8
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

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

Precipitation Probability (%)

88
95
95
95
95
71
38
35
33
31
41
45
45
49
54
58
58
56
52
50
46
41
47
51

Precipitation Amount (mm)

0.5
0.8
1.1
1.4
0.7
0.3
0
0
0
0
0
0
0
0
0.2
0.3
0.2
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
10
10
10
10
10
10
9
10
10
10
10
11
11
12
12
13
13
13
14
13
12
11
11

Feels Like (°C)

10
10
10
9
10
9
9
9
9
9
9
10
9
9
10
10
10
12
12
12
12
12
12
9

Dew Point (°C)

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

Relative Humidity (%)

88
96
96
96
96
96
96
95
95
95
95
91
85
81
79
76
72
69
68
64
69
72
76
81

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014

Ozone (du)

367
367
368
369
370
369
369
368
369
371
372
370
369
368
370
372
375
378
382
385
385
384
384
382

Thursday 24

Waning Crescent 9%

05:13

17:45

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: 06:15, Set: 20:42, Transit: 13:28. Moon - Rise: 05:13, Set: 17:45. Civil Dark: 21:19 - 05:38. Nautical Dark: 22:02 - 04:52. Astro Dark: 22:56 - 03:58

Total Clouds (% Sky Obscured)

87
90
94
97
98
98
99
98
98
97
98
99
100
94
88
82
79
75
69
71
73
75

Low Clouds (% Sky Obscured)

63
66
68
65
65
74
81
84
87
90
90
88
90
89
88
82
79
75
69
70
64
60

Medium Clouds (% Sky Obscured)

87
90
94
97
98
98
99
98
98
97
98
99
97
92
83
73
51
33
16
19
21
23

High Clouds (% Sky Obscured)

45
55
56
52
50
54
61
61
58
55
69
86
98
76
53
31
38
42
46
45
46
45

ISS Passover

Visibility (miles)

8
7
6
5
4
3
2
1
1
1
0
1
1
2
4
5
7
7
7
8
7
7

Fog (%)

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

Precipitation Probability (%)

55
63
71
80
92
95
95
95
95
92
80
66
43
36
32
32
32
31
31
35
37
39

Precipitation Amount (mm)

0
0
0.3
0.4
0.6
0.8
1
1
0.9
0.8
0.6
0.4
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
3
4
5
7
7
6
7
7
8
8
8
8
8
8
7
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
9
9
9
10
6
6
5
5
4
5
4
5
7
6
6
7
9
10
9
9
9

Dew Point (°C)

9
9
9
9
8
8
7
6
6
6
6
7
8
9
10
10
11
10
11
10
10
10

Relative Humidity (%)

88
96
96
96
96
96
96
96
98
96
96
98
96
96
95
95
93
90
89
87
87
90

Pressure (mb)

1014
1014
1014
1015
1015
1015
1015
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

380
377
374
371
367
365
363
360
360
360
359
361
363
364
367
369
372
373
374
376
376
376

Forecast for Bad Honnef, Cologne District, Germany (50.64,7.23)

Generated: 18/04/25 22:23:37. Forecast: 18/04/25 to 24/04/25. Timezone: UTC+2.00