Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

Waxing Gibbous 78%

14:17

05:08

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
10 Bad
11 Bad

Sun - Rise: 06:07, Set: 20:21, Transit: 13:15. Moon - Rise: 14:17, Set: 05:08. Civil Dark: 20:58 - 05:30. Nautical Dark: 21:44 - 04:43. Astro Dark: 22:38 - 03:48

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
93
90

Low Clouds (% Sky Obscured)

37
63
60
94
99
100
100
100
97
97
100
96
99
100
97
100
99
100
100
97
100
79
72
75

Medium Clouds (% Sky Obscured)

48
76
72
100
80
97
76
50
66
45
46
31
25
21
12
21
20
20
18
20
27
25
30
32

High Clouds (% Sky Obscured)

93
97
100
100
99
95
5
4
19
17
38
2
3
5
1
1
0
0
0
0
0
2
3
0

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
8
9
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
100
100
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
25
38

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
12
16
18
17
15
14
14
13
13
14
12
11
11
9
9
8
12
11
11
10
13
14
16

Chance of Frost

Temperature (°C)

10
10
10
10
9
9
9
9
9
9
9
9
10
10
10
10
9
10
9
10
10
10
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
76
75
78
83
86
89
92
96
98
99
95
94
94
94
94
95
92
94
93
94
93
85
84

Pressure (mb)

1025
1025
1024
1023
1023
1022
1022
1021
1021
1021
1021
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1020
1020
1020

Ozone (du)

356
355
358
359
358
359
360
364
369
375
374
374
373
371
371
369
367
368
368
364
360
357
356
358

Saturday 20

Waxing Gibbous 86%

15:30

05:18

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

Sun - Rise: 06:05, Set: 20:23, Transit: 13:15. Moon - Rise: 15:30, Set: 05:18. Civil Dark: 21:00 - 05:28. Nautical Dark: 21:47 - 04:40. Astro Dark: 22:41 - 03:45

Total Clouds (% Sky Obscured)

94
42
32
22
27
18
3
0
0
4
6
10
20
21
22
14
14
14
19
29
56
77
80
75

Low Clouds (% Sky Obscured)

74
38
35
24
29
20
4
0
0
0
2
6
14
4
2
2
2
2
2
2
2
4
15
24

Medium Clouds (% Sky Obscured)

18
14
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
4
4
5
26
70
65
59

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
3
3
5
12
15
7
8
4
9
18
23
5
6
8

ISS Passover

Visibility (miles)

5
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
56
16
11
15
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 (%)

42
17
9
5
3
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)

16
17
17
18
18
18
16
13
9
7
5
4
3
3
4
4
4
4
4
4
3
2
1
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
85
73
67
67
63
67
68
76
79
81
82
84
84
85
85
86
86
86
85
79
75
72
67

Pressure (mb)

1021
1021
1021
1021
1022
1022
1022
1023
1024
1025
1025
1026
1026
1027
1027
1027
1028
1028
1029
1029
1030
1030
1030
1030

Ozone (du)

362
365
367
367
365
364
363
363
362
360
359
357
357
357
354
351
348
347
348
349
350
353
354
356

Sunday 21

Waxing Gibbous 92%

16:41

05:26

12 Bad
13 OK
14 OK
15 OK
16 Good
17 OK
18 OK
19 OK
20 Good
21 Good
22 Good
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

Sun - Rise: 06:03, Set: 20:24, Transit: 13:15. Moon - Rise: 16:41, Set: 05:26. Civil Dark: 21:02 - 05:25. Nautical Dark: 21:49 - 04:38. Astro Dark: 22:44 - 03:41

Total Clouds (% Sky Obscured)

49
38
28
23
18
27
31
48
17
14
15
49
57
51
49
69
70
61
81
69
88
82
90
87

Low Clouds (% Sky Obscured)

34
22
18
20
15
2
3
1
1
1
1
0
0
0
2
1
26
34
43
52
79
77
74
70

Medium Clouds (% Sky Obscured)

15
5
6
3
0
0
0
0
0
3
3
4
20
25
26
43
34
38
34
44
76
47
38
39

High Clouds (% Sky Obscured)

6
14
10
6
3
22
25
41
10
8
10
45
34
19
9
7
12
2
33
34
7
6
20
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
12
56
13
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
1
1
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
7
8
8
7
7
7
6
4
2
3
4
5
5
5
5
5
5
5
4
3
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
66
69
68
65
68
71
76
85
85
87
85
82
76
75
74
72
70
68
70
64
60
57
56

Pressure (mb)

1031
1031
1031
1031
1030
1030
1030
1030
1030
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1032
1032
1032
1032

Ozone (du)

358
360
361
361
360
360
361
361
364
367
369
368
369
369
369
372
373
372
371
371
370
369
366
363

Monday 22

Waxing Gibbous 96%

17:52

05:34

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 OK
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

Sun - Rise: 06:01, Set: 20:26, Transit: 13:14. Moon - Rise: 17:52, Set: 05:34. Civil Dark: 21:03 - 05:23. Nautical Dark: 21:51 - 04:35. Astro Dark: 22:47 - 03:38

Total Clouds (% Sky Obscured)

88
82
99
94
95
98
90
68
62
30
33
42
66
84
90
93
92
95
95
96
97
99
99
99

Low Clouds (% Sky Obscured)

79
67
99
85
89
96
78
57
42
12
19
31
50
64
78
83
84
88
79
80
83
86
88
90

Medium Clouds (% Sky Obscured)

29
18
38
46
31
37
23
20
15
12
10
13
12
52
54
80
51
26
31
67
93
94
94
94

High Clouds (% Sky Obscured)

16
11
10
4
17
3
9
8
9
6
8
4
34
75
75
75
57
46
18
76
77
41
76
6

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
1
1
18
7
14
8
0
0
0
0
0
0
0
0
1
15
18
10
18
27
41
51
48

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
65
65
66
65
71
77
78
78
81
90
88
90
88
87
84
81
81
84
85
85
87
90
91

Pressure (mb)

1032
1032
1032
1031
1031
1031
1032
1032
1032
1033
1033
1033
1033
1033
1033
1032
1032
1032
1032
1032
1031
1031
1031
1031

Ozone (du)

359
359
358
358
359
362
363
362
363
366
368
371
374
375
375
378
379
380
384
386
388
393
400
402

Tuesday 23

Waxing Gibbous 99%

19:03

05:44

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 OK
06 Good
07 OK
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 05:58, Set: 20:28, Transit: 13:14. Moon - Rise: 19:03, Set: 05:44. Civil Dark: 21:05 - 05:21. Nautical Dark: 21:53 - 04:32. Astro Dark: 22:51 - 03:34

Total Clouds (% Sky Obscured)

99
99
99
99
99
99
99
99
99
93
99
98
97
85
98
98
74
27
7
39
59
49
52
92

Low Clouds (% Sky Obscured)

93
93
96
97
95
97
96
85
74
60
71
79
87
71
69
52
39
18
0
9
19
28
42
68

Medium Clouds (% Sky Obscured)

94
91
90
89
90
89
56
53
54
50
49
42
36
27
13
2
2
1
0
4
7
11
13
15

High Clouds (% Sky Obscured)

27
75
65
60
9
0
5
21
40
57
87
55
34
45
78
95
64
19
5
33
46
27
16
19

ISS Passover

Visibility (miles)

7
9
9
9
9
9
7
7
8
9
9
8
8
9
8
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 (%)

52
48
45
39
37
28
21
18
21
11
21
33
27
31
33
29
23
9
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
84
81
83
87
90
91
95
96
96
95
95
96
95
95
95
93
91
90
85
81
79
77
70

Pressure (mb)

1030
1030
1029
1028
1028
1027
1026
1026
1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026

Ozone (du)

402
401
399
399
402
404
404
404
404
403
401
400
399
400
399
398
397
397
397
396
395
394
394
395

Wednesday 24

Full Moon 100%

20:18

05:55

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
10 Bad
11 Bad

Sun - Rise: 05:56, Set: 20:30, Transit: 13:14. Moon - Rise: 20:18, Set: 05:55. Civil Dark: 21:07 - 05:18. Nautical Dark: 21:56 - 04:30. Astro Dark: 22:54 - 03:31

Total Clouds (% Sky Obscured)

94
92
91
89
81
71
63
61
63
58
70
82
95
94
92
89
89
88
86
79
70
62
60
59

Low Clouds (% Sky Obscured)

80
78
76
75
69
63
60
52
43
35
54
70
91
87
83
77
64
52
40
45
52
58
58
57

Medium Clouds (% Sky Obscured)

17
14
10
5
14
22
18
8
36
20
29
38
48
41
35
28
30
35
39
26
14
1
3
5

High Clouds (% Sky Obscured)

15
13
22
50
44
28
6
6
5
4
3
3
7
7
7
8
18
28
34
39
32
28
14
11

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 (%)

6
3
4
12
4
5
3
4
2
1
6
9
12
20
21
23
21
19
16
17
18
18
18
17

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6

Relative Humidity (%)

70
73
74
74
74
73
73
76
80
80
81
82
82
85
84
84
85
85
87
87
82
78
74
73

Pressure (mb)

1026
1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1023
1023
1023
1022
1022
1022
1022
1021
1021

Ozone (du)

395
395
395
394
391
388
388
388
390
391
392
392
393
393
394
394
395
395
395
395
396
396
396
396

Thursday 25

Waning Gibbous 99%

21:35

06:09

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

Sun - Rise: 05:54, Set: 20:31, Transit: 13:14. Moon - Rise: 21:35, Set: 06:09. Civil Dark: 21:09 - 05:16. Nautical Dark: 21:58 - 04:27. Astro Dark: 22:57 - 03:27

Total Clouds (% Sky Obscured)

58
49
41
39
39
51
65
67
68
49
44
45
46
47
49
51
55
51
52
54
52
45
38
32

Low Clouds (% Sky Obscured)

57
48
38
28
19
9
0
0
1
2
11
20
32
36
33
29
26
23
24
25
26
27
31
30

Medium Clouds (% Sky Obscured)

9
12
18
22
34
45
53
55
53
50
51
48
45
40
35
35
38
41
43
41
38
35
35
35

High Clouds (% Sky Obscured)

6
5
6
4
17
31
47
51
52
50
55
59
58
55
48
39
40
40
35
30
30
20
20
20

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 (%)

16
14
11
4
4
3
1
0
0
0
0
1
2
6
7
4
11
12
12
13
15
16
15
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)

8
9
9
9
9
8
7
6
5
5
6
5
5
5
4
4
3
4
6
7
6
6
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
7
7
6
6
6
6
5
5
5
5
5
5
5
5
6
6
6
6
6
6
6

Relative Humidity (%)

75
73
72
72
72
72
74
74
77
79
84
82
82
82
85
87
88
88
88
88
84
82
80
77

Pressure (mb)

1021
1020
1020
1020
1019
1019
1018
1018
1018
1018
1018
1017
1017
1016
1016
1015
1015
1014
1014
1014
1014
1014
1013
1013

Ozone (du)

396
397
397
396
396
396
395
395
394
393
393
393
394
395
395
396
396
397
397
398
399
399
400
401

Forecast for Aberystwyth, Ceredigion, United Kingdom (52.42,-4.08)

Generated: 19/04/24 09:32:31. Forecast: 19/04/24 to 25/04/24. Timezone: UTC+1.00