Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

Waxing Gibbous 86%

15:28

05:06

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 OK
17 OK
18 OK
19 OK
20 Good
21 Good
22 OK
23 OK
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:05, Set: 20:20, Transit: 13:13. Moon - Rise: 15:28, Set: 05:06. Civil Dark: 20:57 - 05:28. Nautical Dark: 21:44 - 04:42. Astro Dark: 22:38 - 03:44

Total Clouds (% Sky Obscured)

100
100
100
100
91
76
71
64
85
72
48
43
38
34
32
19
1
5
12
23
43
49
76
82

Low Clouds (% Sky Obscured)

100
100
100
100
89
75
68
55
83
61
44
46
43
39
37
21
1
4
9
22
40
46
75
80

Medium Clouds (% Sky Obscured)

5
5
8
0
3
0
24
32
2
23
17
0
0
0
0
0
0
0
0
0
0
0
0
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
3
0
0
0
0
0
0
0
0
0
0
3
4
4
6
6
10
37

ISS Passover

Visibility (miles)

6
6
6
6
6
9
9
9
7
5
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
4
1
23
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
21
26
10
15
30
34
26
7
1
0
0
0
0
0
0
0
0
1
2
1
3

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)

10
12
12
14
16
16
18
18
18
17
16
17
17
16
14
13
10
6
5
4
3
2
1
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
93
91
91
88
81
74
77
84
78
62
57
63
65
69
78
85
88
88
88
89
89
88

Pressure (mb)

1019
1018
1018
1019
1019
1019
1019
1020
1020
1020
1020
1020
1021
1021
1022
1022
1023
1025
1025
1026
1026
1027
1027
1028

Ozone (du)

366
367
367
364
362
363
364
364
364
366
369
369
367
366
365
363
360
358
356
355
355
355
356
355

Saturday 20

Waxing Gibbous 92%

16:39

05:15

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

Sun - Rise: 06:03, Set: 20:22, Transit: 13:12. Moon - Rise: 16:39, Set: 05:15. Civil Dark: 20:59 - 05:26. Nautical Dark: 21:46 - 04:39. Astro Dark: 22:41 - 03:40

Total Clouds (% Sky Obscured)

71
49
49
39
37
54
65
52
45
46
69
80
80
83
84
68
64
51
10
3
8
8
8
7

Low Clouds (% Sky Obscured)

64
53
53
38
37
54
61
53
45
36
56
72
69
82
83
68
61
31
1
0
0
0
0
1

Medium Clouds (% Sky Obscured)

24
3
3
3
5
3
5
3
3
13
20
15
21
6
18
2
0
3
1
0
0
2
2
3

High Clouds (% Sky Obscured)

17
5
6
10
5
3
5
5
6
5
4
4
3
4
4
16
26
41
12
3
10
6
7
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 (%)

5
2
0
1
0
0
0
2
0
0
0
2
1
2
9
5
4
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)

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

Chance of Frost

Temperature (°C)

3
3
3
3
4
6
8
9
10
11
11
12
11
12
11
10
8
7
6
5
4
3
2
2

Feels Like (°C)

2
1
2
2
4
6
7
7
8
9
10
10
9
10
9
9
7
6
4
4
3
1
1
1

Dew Point (°C)

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

Relative Humidity (%)

88
91
93
93
89
82
75
64
59
57
55
55
55
59
62
76
81
87
85
79
76
74
77
80

Pressure (mb)

1028
1028
1029
1030
1030
1030
1030
1030
1030
1030
1030
1030
1029
1029
1029
1030
1030
1031
1031
1032
1032
1032
1032
1033

Ozone (du)

353
354
356
358
360
362
363
364
365
366
367
369
369
369
368
367
367
368
368
368
367
368
371
373

Sunday 21

Waxing Gibbous 96%

17:50

05:24

04 Good
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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:01, Set: 20:24, Transit: 13:12. Moon - Rise: 17:50, Set: 05:24. Civil Dark: 21:01 - 05:24. Nautical Dark: 21:48 - 04:36. Astro Dark: 22:44 - 03:37

Total Clouds (% Sky Obscured)

11
83
83
67
73
63
58
64
69
74
100
98
98
100
98
88
85
71
87
90
88
87
86
87

Low Clouds (% Sky Obscured)

1
1
21
1
1
11
29
39
59
67
100
97
95
100
93
76
74
66
73
71
84
81
78
72

Medium Clouds (% Sky Obscured)

6
21
26
38
44
32
27
26
21
19
28
33
30
31
32
28
19
2
5
5
3
8
10
40

High Clouds (% Sky Obscured)

5
52
51
15
3
2
6
5
9
4
2
5
5
14
6
9
9
37
70
50
15
12
13
63

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
8
2
3
2
1
0
0
0
0
0
0
1
2
3

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
2
2
2
2
2
3
5
7
9
9
9
9
9
7
7
6
4
3
3
2
2
2
2

Chance of Frost

Temperature (°C)

2
1
1
2
4
7
8
10
11
12
11
11
10
10
9
9
8
8
7
7
7
6
6
6

Feels Like (°C)

1
0
0
1
3
6
7
9
10
9
9
9
7
7
7
7
7
6
5
5
5
4
4
4

Dew Point (°C)

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

Relative Humidity (%)

83
88
88
84
79
74
69
65
64
65
68
78
82
85
87
87
90
90
90
93
91
90
90
90

Pressure (mb)

1033
1033
1033
1033
1033
1033
1033
1032
1032
1032
1032
1032
1032
1032
1032
1032
1033
1033
1033
1033
1033
1033
1033
1033

Ozone (du)

373
372
371
371
369
367
366
366
366
364
363
362
363
363
362
363
366
368
365
365
371
375
377
379

Monday 22

Waxing Gibbous 99%

19:01

05:33

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:59, Set: 20:25, Transit: 13:12. Moon - Rise: 19:01, Set: 05:33. Civil Dark: 21:03 - 05:21. Nautical Dark: 21:51 - 04:34. Astro Dark: 22:47 - 03:33

Total Clouds (% Sky Obscured)

91
94
97
96
97
97
98
99
100
100
100
100
100
100
100
99
99
99
99
100
100
98
96
95

Low Clouds (% Sky Obscured)

73
78
83
82
84
85
89
94
100
100
100
100
96
95
93
80
66
52
53
51
49
63
74
85

Medium Clouds (% Sky Obscured)

60
33
37
58
64
65
69
79
89
92
97
100
100
100
100
58
56
52
52
51
55
43
30
49

High Clouds (% Sky Obscured)

70
83
79
72
83
83
22
12
38
52
58
64
76
87
77
51
85
31
58
93
100
91
81
59

ISS Passover

Visibility (miles)

9
9
9
9
9
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
3
7
20
38
46
28
16
11
14
19
26
31
32
33
26
21
21
20
16
10
22
38
50

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)

1
1
1
1
1
2
2
3
5
8
9
10
10
9
8
7
6
5
5
4
4
3
4
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
90
90
90
90
90
93
91
88
81
81
81
84
84
85
90
88
88
93
91
93
93
95
96

Pressure (mb)

1033
1033
1033
1033
1032
1032
1032
1031
1031
1030
1029
1029
1028
1028
1027
1027
1027
1027
1027
1027
1026
1026
1025
1025

Ozone (du)

380
380
384
385
387
390
390
391
391
391
389
390
390
390
391
395
396
397
397
398
396
395
395
394

Tuesday 23

Waxing Gibbous 100%

20:15

05:42

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 OK
22 OK
23 OK
00 OK
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:57, Set: 20:27, Transit: 13:12. Moon - Rise: 20:15, Set: 05:42. Civil Dark: 21:05 - 05:19. Nautical Dark: 21:53 - 04:31. Astro Dark: 22:50 - 03:30

Total Clouds (% Sky Obscured)

95
95
95
93
93
91
67
71
55
54
61
63
66
86
88
70
50
29
29
34
44
55
67
79

Low Clouds (% Sky Obscured)

75
64
54
59
64
68
49
63
53
52
48
48
57
58
56
53
40
26
29
33
40
48
56
63

Medium Clouds (% Sky Obscured)

36
30
50
8
0
0
0
0
2
2
2
2
3
2
4
37
19
1
6
12
17
21
26
40

High Clouds (% Sky Obscured)

79
88
93
51
73
74
27
9
4
4
19
24
19
55
45
32
18
12
13
13
22
30
43
62

ISS Passover

Visibility (miles)

3
5
3
6
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
Very Light Rain
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
47
35
17
17
3
3
2
1
0
0
0
2
1
3
10
9
4
7
5
0
0
0
0

Precipitation Amount (mm)

0.2
0.2
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
8
9
10
11
10
10
12
13
13
12
11
11
11
11
10
6
5
5
4
3
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
94
90
88
84
77
67
59
58
56
56
57
64
73
74
77
79
82
86
89
85
83

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1023
1023
1023
1023
1023
1025
1025
1025
1025
1025
1025
1024
1024

Ozone (du)

394
394
394
394
394
393
392
393
393
392
391
390
389
389
389
389
390
390
391
392
393
393
393
393

Wednesday 24

Full Moon 99%

21:32

05:53

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:55, Set: 20:29, Transit: 13:12. Moon - Rise: 21:32, Set: 05:53. Civil Dark: 21:07 - 05:17. Nautical Dark: 21:55 - 04:28. Astro Dark: 22:54 - 03:26

Total Clouds (% Sky Obscured)

82
83
88
86
85
83
88
92
98
98
99
99
92
84
76
69
66
63
65
67
65
58
51
47

Low Clouds (% Sky Obscured)

66
69
70
61
55
48
57
61
69
76
80
81
76
71
67
61
59
56
56
56
58
49
43
35

Medium Clouds (% Sky Obscured)

45
50
50
60
60
65
64
59
55
53
51
45
33
22
10
11
13
14
14
14
14
21
29
39

High Clouds (% Sky Obscured)

67
74
78
78
78
76
74
68
62
58
53
44
44
44
39
29
21
10
7
5
2
2
2
3

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
1
2
2
8
8
3
4
4
1
5
5
1
3
3
1
1
3
3
4
3
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)

2
2
2
2
4
6
8
10
11
12
13
13
14
13
12
11
9
7
6
5
4
3
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
80
83
85
80
75
71
69
67
64
66
66
67
70
73
77
81
85
91
91
94
94
93
89

Pressure (mb)

1023
1023
1023
1022
1022
1021
1021
1021
1020
1020
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017

Ozone (du)

392
393
394
395
395
395
395
395
395
395
395
396
396
395
395
394
396
397
398
399
399
400
401
403

Thursday 25

Waning Gibbous 96%

22:51

06:08

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

Sun - Rise: 05:53, Set: 20:30, Transit: 13:12. Moon - Rise: 22:51, Set: 06:08. Civil Dark: 21:09 - 05:15. Nautical Dark: 21:57 - 04:26. Astro Dark: 22:57 - 03:23

Total Clouds (% Sky Obscured)

47
53
62
52
43
34
28
27
29
42
62
84
89
94
99
80
64
61
58
64
67

Low Clouds (% Sky Obscured)

38
41
45
41
37
34
43
51
60
60
59
61
52
44
36
36
39
42
49
56
61

Medium Clouds (% Sky Obscured)

37
35
33
36
41
44
39
35
30
19
9
0
11
23
34
37
44
52
67
76
80

High Clouds (% Sky Obscured)

3
2
1
0
0
0
1
2
4
21
38
54
67
80
92
64
35
9
26
49
80

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

Fog (%)

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

Precipitation Probability (%)

1
0
0
0
0
0
2
3
1
10
13
12
13
11
6
6
4
1
2
3
1

Precipitation Amount (mm)

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
2
2
2
3
4
4
5
6
8
9
11
13
12
12
12
9
7
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
89
89
91
76
66
56
54
51
49
49
52
53
59
65
74
78
83
89
89
88

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1015
1015

Ozone (du)

404
405
406
407
409
410
411
411
411
412
411
410
410
410
410
410
414
419
423
424
425

Forecast for Rhayader, Powys, United Kingdom (52.27,-3.57)

Generated: 19/04/24 04:41:21. Forecast: 19/04/24 to 25/04/24. Timezone: UTC+1.00