Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 18

Waxing Crescent 8%

08:04

22:21

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

Sun - Rise: 07:00, Set: 20:23, Transit: 13:42. Moon - Rise: 08:04, Set: 22:21. Civil Dark: 20:50 - 06:32. Nautical Dark: 21:23 - 05:59. Astro Dark: 21:58 - 05:24

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
35
0
0
0
0
0
0
0
0
0
3
11
58
52
71
67
20

Low Clouds (% Sky Obscured)

61
30
35
35
35
35
0
0
0
0
0
0
0
0
0
0
0
2
2
1
2
12
22
1

Medium Clouds (% Sky Obscured)

100
95
75
100
81
37
38
0
0
0
0
0
0
0
0
0
0
0
7
45
43
44
24
14

High Clouds (% Sky Obscured)

100
100
100
100
100
100
81
22
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

2
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

Light Rain
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 (%)

67
31
23
9
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.4
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
12
8
7
7
8
9
8
8
6
5
4
3
3
4
6
8
11
13
14
15
15
16
13

Chance of Frost

Temperature (°C)

9
9
9
9
10
10
9
8
7
6
5
5
4
5
7
9
11
13
14
15
15
16
15
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
85
80
77
76
74
68
65
72
75
75
76
75
72
61
47
40
42
41
39
38
38
40
45

Pressure (mb)

1016
1017
1017
1019
1019
1020
1021
1021
1022
1022
1023
1024
1024
1024
1025
1024
1024
1024
1023
1023
1022
1022
1021
1021

Ozone (du)

314
318
321
320
320
321
325
330
333
340
343
351
362
370
369
370
369
366
365
363
360
361
359
361

Sunday 19

Waxing Crescent 16%

08:55

23:39

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

Sun - Rise: 06:58, Set: 20:23, Transit: 13:41. Moon - Rise: 08:55, Set: 23:39. Civil Dark: 20:51 - 06:31. Nautical Dark: 21:24 - 05:57. Astro Dark: 21:59 - 05:22

Total Clouds (% Sky Obscured)

26
57
59
57
67
53
78
75
74
79
81
80
64
30
1
0
0
0
2
5
3
0
2
0

Low Clouds (% Sky Obscured)

1
16
25
25
18
1
20
15
15
15
15
15
15
9
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

19
32
25
23
39
34
43
40
36
31
33
32
20
2
0
0
0
0
0
0
2
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
3
2
0
0
0
0
0
0
0
0
2
5
2
0
2
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
1
1
0
0
1
0
3
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)

12
9
6
5
4
4
7
6
5
4
4
5
4
4
6
6
6
5
4
4
2
2
2
2

Chance of Frost

Temperature (°C)

14
13
11
10
10
8
8
7
8
7
7
7
6
6
7
9
10
12
13
14
15
15
15
15

Feels Like (°C)

11
11
9
7
7
6
6
4
5
5
5
4
3
3
4
7
9
11
13
14
14
15
15
15

Dew Point (°C)

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

Relative Humidity (%)

49
59
64
60
60
69
79
84
81
81
81
78
75
74
64
54
47
42
40
40
39
38
38
40

Pressure (mb)

1022
1022
1022
1023
1023
1023
1024
1024
1025
1025
1026
1026
1027
1028
1029
1029
1029
1029
1028
1028
1027
1026
1025
1025

Ozone (du)

363
364
370
366
366
366
367
367
367
367
369
374
376
379
382
386
384
378
376
376
370
364
362
358

Monday 20

Waxing Crescent 26%

09:56

00:51

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

Sun - Rise: 06:57, Set: 20:24, Transit: 13:41. Moon - Rise: 09:56, Set: 00:51. Civil Dark: 20:52 - 06:29. Nautical Dark: 21:25 - 05:56. Astro Dark: 22:00 - 05:21

Total Clouds (% Sky Obscured)

0
0
4
3
3
2
0
58
82
98
94
50
41
7
7
18
15
42
82
60
39
34
44
63

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
54
39
26
0
23
30
0
0
0
0
15
35
25
13
0
28
58

High Clouds (% Sky Obscured)

0
0
2
1
2
2
0
40
70
96
93
21
8
4
5
13
13
34
71
51
34
30
22
22

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
4
4
4
5
5
5
5
5
5
8
10
11
13
14
15
15
15
14
13

Chance of Frost

Temperature (°C)

15
13
11
10
9
8
8
8
8
8
8
8
8
9
12
15
18
21
22
23
24
24
24
23

Feels Like (°C)

15
13
11
9
8
7
7
6
6
6
5
5
5
8
11
13
16
18
19
20
20
21
21
20

Dew Point (°C)

5
6
4
3
2
2
2
2
2
3
3
3
5
6
8
9
10
11
11
12
11
12
14
13

Relative Humidity (%)

51
59
60
62
63
64
65
65
66
70
69
73
81
82
76
67
59
53
48
47
44
47
51
53

Pressure (mb)

1025
1025
1026
1026
1026
1026
1025
1025
1025
1024
1024
1024
1024
1024
1024
1023
1023
1022
1021
1020
1019
1018
1018
1017

Ozone (du)

356
354
357
359
359
361
361
360
360
356
353
352
351
352
354
353
352
353
355
355
356
357
359
362

Tuesday 21

Waxing Crescent 37%

11:05

01:53

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 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: 06:56, Set: 20:25, Transit: 13:41. Moon - Rise: 11:05, Set: 01:53. Civil Dark: 20:53 - 06:28. Nautical Dark: 21:27 - 05:54. Astro Dark: 22:02 - 05:19

Total Clouds (% Sky Obscured)

87
73
74
72
85
90
90
92
97
99
100
99
94
76
80
73
68
87
87
86
79
71
39
48

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
18
39
56
69
79
73
68
87
87
82
75
67
39
39

Medium Clouds (% Sky Obscured)

86
73
74
72
85
87
85
85
86
87
84
82
75
54
50
28
25
26
27
21
10
0
1
2

High Clouds (% Sky Obscured)

27
14
7
0
11
24
34
53
63
65
72
92
76
58
35
18
13
5
0
0
0
4
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
5
8
8
5
4

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
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
2
2
1
4
4
2
5
6
5
26
32
30
58
63
58
57
49
45
48
42
42
50
47

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
21
20
19
18
17
17
16
16
16
16
15
15
15
16
17
18
19
20
21
21
21
21
21

Feels Like (°C)

19
18
19
18
17
15
13
13
12
12
12
12
11
12
14
15
17
18
19
19
20
20
21
22

Dew Point (°C)

14
14
14
14
14
12
11
10
10
9
9
9
9
10
11
11
12
13
13
14
14
16
17
16

Relative Humidity (%)

58
62
68
76
79
72
66
67
66
63
64
67
69
74
73
67
64
64
65
64
65
76
80
75

Pressure (mb)

1017
1017
1017
1018
1018
1018
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1016

Ozone (du)

364
364
366
366
365
366
366
362
360
360
356
354
354
354
354
353
353
353
354
353
351
351
350
350

Wednesday 22

Waxing Crescent 37%

12:18

02:43

19 Bad
20 OK
21 OK
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: 06:54, Set: 20:26, Transit: 13:41. Moon - Rise: 12:18, Set: 02:43. Civil Dark: 20:54 - 06:26. Nautical Dark: 21:28 - 05:53. Astro Dark: 22:03 - 05:17

Total Clouds (% Sky Obscured)

36
34
31
38
52
53
69
67
66
68
74
81
86
82
78
75
75
76
78
77
76
76
67
58

Low Clouds (% Sky Obscured)

29
19
8
5
16
31
47
47
47
47
46
44
43
40
37
33
30
28
21
31
39
47
49
49

Medium Clouds (% Sky Obscured)

3
2
1
0
6
15
21
23
25
22
28
35
32
27
22
14
14
14
11
13
13
15
10
7

High Clouds (% Sky Obscured)

1
0
2
2
2
2
2
2
1
3
7
13
19
21
23
23
24
26
24
17
11
7
6
4

ISS Passover

Visibility (miles)

7
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 (%)

29
7
5
1
2
1
0
1
2
2
2
1
0
0
0
0
2
4
4
12
11
10
19
26

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

Chance of Frost

Temperature (°C)

20
19
17
17
16
16
16
16
15
15
14
14
14
15
16
17
18
20
22
24
24
24
24
23

Feels Like (°C)

19
19
17
17
17
17
16
16
16
15
15
14
14
14
14
15
16
16
16
16
25
24
22
22

Dew Point (°C)

17
16
15
15
14
14
14
14
14
13
13
12
12
13
13
14
14
13
13
12
13
13
14
14

Relative Humidity (%)

82
86
88
89
87
87
87
87
89
90
90
89
87
87
85
81
79
66
55
46
49
51
53
57

Pressure (mb)

1016
1016
1016
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1016
1016
1016
1015
1014
1013
1013
1012
1012

Ozone (du)

348
345
343
341
340
338
337
337
336
335
335
336
337
339
339
339
339
340
340
341
342
344
345
346

Thursday 23

First Quarter 49%

13:31

03:23

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: 06:53, Set: 20:27, Transit: 13:41. Moon - Rise: 13:31, Set: 03:23. Civil Dark: 20:55 - 06:25. Nautical Dark: 21:29 - 05:51. Astro Dark: 22:04 - 05:15

Total Clouds (% Sky Obscured)

46
61
81
100
100
100
100
93
91
87
89
91
93
91
91
93
96
98
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

45
30
18
0
13
26
39
44
48
38
31
29
29
44
59
76
82
88
91
72
57
38
31
25

Medium Clouds (% Sky Obscured)

0
6
6
7
5
2
2
2
2
2
2
2
3
1
1
1
2
3
4
14
23
32
38
44

High Clouds (% Sky Obscured)

4
32
51
51
63
69
73
79
88
87
87
83
90
78
69
57
84
93
99
99
100
100
100
100

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

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

Precipitation Probability (%)

31
26
18
1
5
6
6
18
20
15
20
23
25
32
32
20
35
36
35
56
69
80
76
69

Precipitation Amount (mm)

0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.5
0.5
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
20
19
19
19
18
17
16
16
15
14
14
14
15
16
18
19
21
23
24
24
24
24
22

Feels Like (°C)

22
22
18
18
19
19
19
19
15
15
14
14
14
13
14
15
15
16
16
17
24
23
21
21

Dew Point (°C)

14
14
13
13
12
12
12
12
11
11
11
11
11
12
12
13
13
14
14
14
14
14
14
15

Relative Humidity (%)

62
68
68
68
66
69
72
74
75
78
79
79
82
83
78
73
69
64
58
53
54
55
56
61

Pressure (mb)

1012
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1008
1008
1007
1007
1006
1006

Ozone (du)

347
348
348
347
347
346
346
345
345
344
343
343
343
342
342
341
340
340
339
338
339
339
339
339

Friday 24

Waxing Gibbous 60%

14:40

03:55

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

Sun - Rise: 06:52, Set: 20:28, Transit: 13:40. Moon - Rise: 14:40, Set: 03:55. Civil Dark: 20:56 - 06:24. Nautical Dark: 21:30 - 05:50. Astro Dark: 22:06 - 05:14

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

20
26
25
16
33
52
74
83
91
100
94
89
85
70
56
40
42
48
51

Medium Clouds (% Sky Obscured)

50
46
42
44
58
71
86
89
93
96
68
42
17
20
25
30
23
15
3

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
67
33
0
33
67
100
67
33
0

ISS Passover

Visibility (miles)

9
9
9
9
9
7
4
2
4
7
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

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

Precipitation Probability (%)

70
71
70
69
88
95
95
95
95
95
95
95
39
42
50
59
69
72
73

Precipitation Amount (mm)

0.4
0.4
0.3
0.3
0.4
0.8
1.4
1.5
1.5
1.4
1
0.6
0
0
0.2
0.4
0.4
0.4
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
20
20
19
19
18
17
15
15
15
14
14
14
14
14
15
16
17
17

Feels Like (°C)

22
22
17
18
19
19
19
19
14
14
15
14
14
14
14
14
14
14
14

Dew Point (°C)

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

Relative Humidity (%)

66
72
69
66
62
72
82
95
95
95
96
96
96
96
89
82
74
67
61

Pressure (mb)

1006
1006
1006
1006
1006
1006
1006
1005
1005
1005
1005
1005
1006
1006
1006
1006
1006
1006
1007

Ozone (du)

339
339
339
339
338
340
342
344
344
345
346
347
349
350
353
355
357
358
359

Forecast for Hamburg, Clark, United States of America (38.40,-85.78)

Generated: 18/04/26 19:07:50. Forecast: 18/04/26 to 24/04/26. Timezone: UTC-4.00