Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 23

Waning Crescent 17%

05:00

16:18

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: 06:17, Set: 20:39, Transit: 13:29. Moon - Rise: 05:00, Set: 16:18. Civil Dark: 21:15 - 05:40. Nautical Dark: 22:01 - 04:55. Astro Dark: 22:53 - 04:01

Total Clouds (% Sky Obscured)

90
92
94
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

60
63
84
85
89
97
90
89
100
100
100
100
100
100
98
96
100
100
98
98
93
92
87
86

Medium Clouds (% Sky Obscured)

90
92
94
95
79
82
93
100
100
100
100
100
100
100
100
100
100
98
92
98
83
43
98
100

High Clouds (% Sky Obscured)

90
92
50
87
96
100
100
100
100
100
100
100
100
100
100
100
98
65
83
55
55
71
89
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

17
62
39
63
61
43
38
51
66
70
62
63
71
65
64
58
57
66
64
59
57
58
70
86

Precipitation Amount (mm)

0
0.4
0
0.3
0.3
0
0
0
0.2
0.4
0
0
0.2
0
0.2
0
0
0.3
0.3
0.3
0.2
0.2
0.4
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
93
91
93
95
95
95
95
96
96
96
95
95
95
93
93
93
95
95
95
96
98

Pressure (mb)

1013
1013
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1017
1016
1016
1016
1016
1016

Ozone (du)

368
368
370
371
372
373
371
371
369
366
361
358
360
360
361
362
361
359
357
354
354
353
353
353

Thursday 24

Waning Crescent 9%

05:13

17:45

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: 06:15, Set: 20:41, Transit: 13:29. Moon - Rise: 05:13, Set: 17:45. Civil Dark: 21:17 - 05:38. Nautical Dark: 22:03 - 04:52. Astro Dark: 22:56 - 03:58

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
98
96
100
98
94
94
93
90
88
84
74
57
56
48
76
89
81
86

Low Clouds (% Sky Obscured)

79
92
98
87
86
90
83
81
81
72
84
70
79
80
76
67
67
57
55
37
59
64
52
47

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
96
90
100
52
43
35
29
27
17
22
3
0
3
0
12
12
14
17

High Clouds (% Sky Obscured)

100
100
100
100
82
39
37
51
49
2
18
12
2
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
5
6
5
5
2
3
2
1
2
0
1
3
4
7
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
20
11
1
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
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

88
95
95
95
95
91
86
73
50
30
30
27
22
9
5
14
4
3
2
16
5
18
17
6

Precipitation Amount (mm)

0.4
0.7
0.8
0.9
0.6
0.4
0.5
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

1
1
1
1
2
3
3
4
5
5
5
5
5
5
6
6
6
5
5
7
8
8
9
9

Chance of Frost

Temperature (°C)

10
10
9
9
10
9
9
10
9
9
10
10
9
9
9
10
12
13
14
15
16
15
15
15

Feels Like (°C)

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

Dew Point (°C)

10
9
9
9
10
9
9
10
9
9
9
9
9
9
9
8
8
6
4
4
6
6
6
7

Relative Humidity (%)

98
98
100
98
100
100
100
100
100
98
98
98
100
98
95
87
76
63
51
48
53
53
53
58

Pressure (mb)

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

Ozone (du)

353
352
352
355
357
357
357
358
358
356
353
350
348
347
347
347
348
349
345
343
344
343
343
345

Friday 25

Waning Crescent 3%

05:27

No Set

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

Sun - Rise: 06:13, Set: 20:42, Transit: 13:28. Moon - Rise: 05:27, Set: No Set. Civil Dark: 21:19 - 05:36. Nautical Dark: 22:05 - 04:50. Astro Dark: 22:59 - 03:55

Total Clouds (% Sky Obscured)

49
24
20
7
2
23
24
31
41
49
59
60
56
48
41
44
53
77
79
74
67
63
58
56

Low Clouds (% Sky Obscured)

36
10
5
2
1
23
24
31
41
49
59
60
56
48
41
34
47
48
41
26
14
1
0
1

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
3
18
21
37
36
30
32
26
19
18

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
1
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
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
25
29
35
88
94
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)

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

Chance of Frost

Temperature (°C)

14
13
11
10
9
8
7
7
6
6
6
5
6
8
11
13
14
15
16
16
17
17
17
16

Feels Like (°C)

11
11
9
8
9
8
8
7
7
6
6
6
6
8
11
12
14
15
15
15
16
15
15
15

Dew Point (°C)

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

Relative Humidity (%)

63
67
69
73
78
84
84
84
85
83
83
82
78
68
57
50
44
40
38
35
33
33
34
37

Pressure (mb)

1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1021
1021
1021
1021
1021
1020
1020
1020

Ozone (du)

345
345
345
346
345
343
342
341
340
339
338
338
337
337
338
337
339
339
338
339
339
339
340
341

Saturday 26

Waning Crescent 0%

05:43

19:15

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

Sun - Rise: 06:11, Set: 20:44, Transit: 13:28. Moon - Rise: 05:43, Set: 19:15. Civil Dark: 21:20 - 05:34. Nautical Dark: 22:07 - 04:47. Astro Dark: 23:02 - 03:52

Total Clouds (% Sky Obscured)

49
50
50
54
52
48
45
48
53
56
37
19
0
0
0
0
28
60
89
93
96
95
91
91

Low Clouds (% Sky Obscured)

1
8
17
25
17
8
0
0
0
0
0
0
0
0
0
0
13
26
39
40
40
41
40
42

Medium Clouds (% Sky Obscured)

15
20
21
23
22
25
22
24
25
21
12
5
0
0
0
0
0
0
0
15
30
45
31
15

High Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
25
49
74
83
91
95
91
91

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

Chance of Frost

Temperature (°C)

15
14
12
11
10
9
8
8
7
7
6
6
6
7
10
12
14
15
16
17
17
17
17
17

Feels Like (°C)

14
14
11
9
8
8
7
7
7
7
5
6
6
7
8
10
13
14
15
16
17
17
16
16

Dew Point (°C)

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

Relative Humidity (%)

46
57
62
64
66
68
71
75
78
82
82
82
79
68
59
52
48
44
40
36
34
33
33
35

Pressure (mb)

1020
1021
1021
1022
1023
1023
1023
1023
1023
1024
1024
1024
1024
1025
1025
1025
1025
1024
1024
1024
1023
1023
1023
1023

Ozone (du)

341
341
340
340
340
339
339
339
340
340
340
340
342
343
343
343
343
343
343
345
345
345
346
346

Sunday 27

New Moon 1%

06:03

20:49

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

Sun - Rise: 06:09, Set: 20:46, Transit: 13:28. Moon - Rise: 06:03, Set: 20:49. Civil Dark: 21:22 - 05:32. Nautical Dark: 22:09 - 04:45. Astro Dark: 23:05 - 03:49

Total Clouds (% Sky Obscured)

90
90
90
95
91
87
78
71
64
55
50
53
45
60
55
55
52
50
45
35
21
8
9
9

Low Clouds (% Sky Obscured)

41
41
42
43
35
28
21
14
7
0
0
1
1
1
1
0
10
18
26
21
14
8
9
9

Medium Clouds (% Sky Obscured)

2
12
24
35
32
38
30
27
28
25
16
7
0
13
17
26
27
23
15
11
6
0
0
0

High Clouds (% Sky Obscured)

90
67
33
0
3
5
8
19
31
42
28
14
0
0
0
0
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
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)

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

Chance of Frost

Temperature (°C)

16
14
12
10
9
8
8
7
7
6
6
6
7
9
11
13
15
16
17
18
19
19
19
18

Feels Like (°C)

16
14
11
10
9
8
8
7
7
6
6
5
5
7
7
8
9
9
10
11
19
19
18
18

Dew Point (°C)

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

Relative Humidity (%)

43
55
58
60
61
63
68
69
71
72
75
76
74
67
59
52
47
43
39
36
35
35
35
40

Pressure (mb)

1023
1023
1024
1024
1024
1024
1025
1025
1024
1024
1024
1024
1025
1025
1024
1024
1024
1024
1023
1023
1022
1021
1021
1021

Ozone (du)

347
349
349
351
351
350
351
351
352
354
356
357
361
363
364
366
368
368
368
368
369
371
372
370

Monday 28

Waxing Crescent 5%

06:30

22:25

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 OK
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK

Sun - Rise: 06:07, Set: 20:47, Transit: 13:28. Moon - Rise: 06:30, Set: 22:25. Civil Dark: 21:24 - 05:30. Nautical Dark: 22:11 - 04:43. Astro Dark: 23:08 - 03:45

Total Clouds (% Sky Obscured)

8
9
8
5
5
5
5
4
3
2
2
2
2
2
3
3
14
25
33
38
43
48
45
38

Low Clouds (% Sky Obscured)

8
9
8
4
4
3
2
2
3
2
2
1
0
0
0
0
9
19
33
30
22
11
8
5

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
16
20
15
13

High Clouds (% Sky Obscured)

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

Chance of Frost

Temperature (°C)

16
15
13
12
10
10
10
9
8
8
7
8
9
10
12
14
17
18
19
21
21
21
21
21

Feels Like (°C)

18
19
13
13
14
13
13
12
9
9
9
8
8
8
12
12
13
14
15
16
22
21
21
22

Dew Point (°C)

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

Relative Humidity (%)

48
56
60
65
69
72
74
76
77
79
81
77
74
72
62
52
45
40
36
32
33
32
32
40

Pressure (mb)

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

Ozone (du)

369
368
367
365
364
365
366
366
366
365
365
363
362
361
359
357
356
355
354
354
353
353
353
352

Tuesday 29

Waxing Crescent 11%

07:09

23:57

19 OK
20 OK
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

Sun - Rise: 06:05, Set: 20:49, Transit: 13:28. Moon - Rise: 07:09, Set: 23:57. Civil Dark: 21:26 - 05:28. Nautical Dark: 22:13 - 04:40. Astro Dark: 23:11 - 03:42

Total Clouds (% Sky Obscured)

31
24
14
5
4
3
1
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

9
6
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

5
6
6
6
6
5
4
4
3
3
3
3
3
3
5
7
9
9
9

Chance of Frost

Temperature (°C)

20
18
17
15
12
12
11
10
10
9
8
9
10
11
14
16
18
19
21

Feels Like (°C)

23
22
17
16
15
15
15
14
10
9
10
9
9
8
13
14
14
15
16

Dew Point (°C)

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

Relative Humidity (%)

48
58
63
68
73
76
79
81
82
84
87
81
77
73
62
53
46
43
40

Pressure (mb)

1017
1017
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1019
1019
1019
1018

Ozone (du)

351
350
349
348
347
346
345
344
343
343
342
342
342
342
342
343
343
344
346

Forecast for Rhöndorf, Cologne District, Germany (50.67,7.21)

Generated: 23/04/25 19:22:06. Forecast: 23/04/25 to 29/04/25. Timezone: UTC+2.00