Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 26

Waning Gibbous 90%

00:10

06:57

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: 05:49, Set: 20:32, Transit: 13:11. Moon - Rise: 00:10, Set: 06:57. Civil Dark: 21:10 - 05:10. Nautical Dark: 22:00 - 04:20. Astro Dark: 23:00 - 03:19

Total Clouds (% Sky Obscured)

100
92
100
100
100
100
100
96
94
95
93
95
96
88
86
95
94
96
100
98
96
94
97
99

Low Clouds (% Sky Obscured)

74
55
65
42
59
68
49
42
47
58
56
52
71
70
74
82
88
91
100
94
87
77
92
97

Medium Clouds (% Sky Obscured)

79
96
58
55
96
100
100
94
83
92
76
90
89
77
73
88
84
79
87
87
66
70
76
77

High Clouds (% Sky Obscured)

91
98
100
100
100
100
80
55
70
58
53
35
15
4
3
31
31
39
32
55
32
60
10
60

ISS Passover

Visibility (miles)

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

Fog (%)

-
-
-
-
0
0
0
0
0
0
0
0
0
0
0
0
2
24
51
38
27
0
0
0

Precipitation Type

None
None
None
None
None
None
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
12
28
50
6
3
4
6
9
10
12
18
5
2
2
3
4
1
2
15
9

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
64
62
62
64
61
64
71
78
80
85
91
96
96
96
94
93
93
94
89
83
82
82
82

Pressure (mb)

1005
1004
1004
1004
1004
1003
1003
1003
1004
1004
1004
1004
1004
1005
1004
1004
1004
1004
1004
1004
1005
1005
1005
1005

Ozone (du)

447
447
446
447
446
444
442
442
442
441
442
444
444
444
447
449
449
449
448
449
451
451
453
452

Saturday 27

Waning Gibbous 83%

01:22

07:41

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: 05:47, Set: 20:34, Transit: 13:11. Moon - Rise: 01:22, Set: 07:41. Civil Dark: 21:12 - 05:08. Nautical Dark: 22:02 - 04:18. Astro Dark: 23:04 - 03:15

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
93
93
94
79
80
99
100
100
100
98
98
98
99
87
88
81
71
86

Low Clouds (% Sky Obscured)

100
100
100
100
100
82
73
55
59
64
66
52
61
71
70
62
70
68
82
75
71
64
64
84

Medium Clouds (% Sky Obscured)

52
75
81
57
71
97
86
52
68
67
64
97
94
100
100
94
95
93
96
63
64
65
37
35

High Clouds (% Sky Obscured)

42
7
3
49
45
49
49
62
82
39
47
60
100
100
100
52
57
63
66
64
64
57
50
50

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
2
2
0
0
0
0
0
0
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

18
21
25
28
32
21
5
2
2
7
11
14
34
80
95
95
95
95
84
68
53
35
23
8

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
1
0.8
0.7
0.8
0.5
0.3
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
74
74
81
81
87
84
85
88
88
86
86
88
91
96
96
96
98
98
98
98
98
96
91

Pressure (mb)

1004
1004
1004
1004
1004
1005
1004
1004
1005
1005
1005
1005
1004
1004
1004
1004
1004
1004
1004
1004
1005
1006
1006
1006

Ozone (du)

452
452
451
448
443
437
434
433
433
434
433
429
429
431
432
432
431
432
431
432
433
432
431
431

Sunday 28

Waning Gibbous 74%

02:21

08:42

12 Bad
13 Bad
14 Bad
15 OK
16 OK
17 OK
18 Bad
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

Sun - Rise: 05:45, Set: 20:36, Transit: 13:11. Moon - Rise: 02:21, Set: 08:42. Civil Dark: 21:14 - 05:06. Nautical Dark: 22:04 - 04:15. Astro Dark: 23:07 - 03:11

Total Clouds (% Sky Obscured)

95
95
71
40
39
22
51
54
41
17
41
67
62
50
56
63
87
89
95
91
91
90
88
94

Low Clouds (% Sky Obscured)

49
82
48
26
6
0
0
0
29
6
24
30
33
48
49
55
51
53
54
54
69
47
69
82

Medium Clouds (% Sky Obscured)

93
56
23
4
0
0
0
30
3
0
0
8
2
2
29
69
74
50
78
59
51
76
52
63

High Clouds (% Sky Obscured)

50
50
5
21
50
15
35
36
21
14
28
46
33
14
26
10
29
5
2
9
6
48
14
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 (%)

13
3
3
3
3
1
0
0
0
1
1
1
0
0
1
0
1
0
0
0
0
3
14
8

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
77
72
66
65
63
66
73
85
90
90
94
96
96
96
94
93
90
82
87
81
75
72
71

Pressure (mb)

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

Ozone (du)

429
428
428
431
436
441
444
442
438
436
437
441
446
451
451
451
450
447
447
446
446
444
441
439

Monday 29

Waning Gibbous 64%

03:04

10:00

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: 05:43, Set: 20:37, Transit: 13:11. Moon - Rise: 03:04, Set: 10:00. Civil Dark: 21:16 - 05:04. Nautical Dark: 22:07 - 04:13. Astro Dark: 23:11 - 03:08

Total Clouds (% Sky Obscured)

95
98
99
99
96
90
82
70
89
100
92
100
100
97
100
100
100
100
99
98
97
96
97
98

Low Clouds (% Sky Obscured)

69
81
90
95
94
85
67
70
66
64
58
48
58
51
50
48
56
62
74
61
60
60
59
51

Medium Clouds (% Sky Obscured)

82
65
66
88
60
56
65
35
66
89
46
92
95
45
87
99
99
98
98
97
94
88
92
94

High Clouds (% Sky Obscured)

2
14
45
55
27
36
33
17
33
51
76
100
100
94
97
99
99
97
98
90
81
72
63
56

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

19
20
28
32
41
52
59
60
53
42
47
45
33
35
32
20
24
21
5
9
8
5
20
53

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

17
18
18
18
19
18
18
16
15
14
14
12
12
11
11
10
9
10
13
15
16
18
20
22

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
6
7
6
7
7
8
8
8
8
8
7
7
7
7
7
7
7
7
7
7
7
8

Relative Humidity (%)

72
67
71
76
70
77
81
85
88
93
93
95
95
95
95
96
98
98
96
93
91
85
80
76

Pressure (mb)

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

Ozone (du)

437
438
435
433
433
435
434
435
436
437
438
437
436
432
431
431
432
431
429
430
431
430
430
430

Tuesday 30

Waning Gibbous 53%

03:34

11:27

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: 05:41, Set: 20:39, Transit: 13:11. Moon - Rise: 03:34, Set: 11:27. Civil Dark: 21:18 - 05:02. Nautical Dark: 22:09 - 04:10. Astro Dark: 23:14 - 03:04

Total Clouds (% Sky Obscured)

99
99
99
99
99
100
100
100
100
100
100
100
100
99
99
98
99
99
100
99
100
100
100
100

Low Clouds (% Sky Obscured)

50
50
56
60
71
85
89
81
60
40
47
55
62
61
58
59
76
88
99
93
96
100
100
100

Medium Clouds (% Sky Obscured)

97
93
88
84
89
95
100
100
100
100
91
83
74
74
83
96
97
97
97
77
76
72
80
88

High Clouds (% Sky Obscured)

50
62
64
95
82
68
54
29
82
100
100
88
100
80
67
50
50
45
50
94
96
98
81
60

ISS Passover

Visibility (miles)

8
4
9
2
0
6
6
9
9
1
2
1
0
2
1
0
9
9
5
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
Very Light Rain
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

85
64
38
34
50
64
62
57
58
58
58
79
58
31
21
22
31
41
44
25
29
31
32
33

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

22
21
18
17
16
15
15
13
10
8
7
6
9
9
8
7
7
7
7
6
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
95
96
96
96
95
93
95
95
98
98
98
98
98
98
100
96
98
98
98
96
96
96
95

Pressure (mb)

1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1010
1011
1011
1011

Ozone (du)

429
428
428
427
426
427
426
423
424
424
424
424
424
425
427
428
427
428
427
426
424
423
421
419

Wednesday 1

Third Quarter 41%

03:54

No Set

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: 05:39, Set: 20:41, Transit: 13:11. Moon - Rise: 03:54, Set: No Set. Civil Dark: 21:20 - 04:59. Nautical Dark: 22:12 - 04:07. Astro Dark: 23:18 - 03:00

Total Clouds (% Sky Obscured)

100
100
100
99
100
100
100
100
100
100
100
99
99
99
99
100
100
100
100
97
94
91
90
89

Low Clouds (% Sky Obscured)

100
92
84
77
64
60
50
61
69
79
84
86
91
93
97
100
100
100
100
97
94
90
85
79

Medium Clouds (% Sky Obscured)

96
94
92
89
81
72
66
70
76
82
75
68
61
66
71
75
63
48
35
30
30
30
25
18

High Clouds (% Sky Obscured)

41
54
64
72
81
91
100
100
100
100
98
97
94
87
79
72
76
83
86
87
88
85
87
90

ISS Passover

Visibility (miles)

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

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 (%)

34
39
39
30
40
44
44
41
35
23
26
23
13
20
23
24
23
20
12
13
12
6
11
11

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

Chance of Frost

Temperature (°C)

11
11
12
13
13
13
13
13
12
12
11
11
11
11
11
10
10
10
10
10
11
11
12
13

Feels Like (°C)

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

Dew Point (°C)

10
10
10
11
12
12
12
12
12
11
10
10
9
10
9
9
9
10
9
10
10
11
11
12

Relative Humidity (%)

92
90
90
89
89
90
92
93
95
93
93
91
91
91
91
93
93
95
95
95
95
95
95
92

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

417
415
413
411
408
408
408
408
406
405
404
405
405
405
405
404
404
401
398
395
394
392
391
389

Thursday 2

Waning Crescent 29%

04:10

12:57

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: 05:37, Set: 20:42, Transit: 13:11. Moon - Rise: 04:10, Set: 12:57. Civil Dark: 21:22 - 04:57. Nautical Dark: 22:14 - 04:05. Astro Dark: 23:22 - 02:56

Total Clouds (% Sky Obscured)

89
82
72
68
70
73
79
82
91
95
94
92
90
90
94
97
96
95
95
97
98
100
95
92

Low Clouds (% Sky Obscured)

73
69
70
71
70
67
63
64
57
48
48
48
48
65
82
97
95
94
93
88
82
79
74
67

Medium Clouds (% Sky Obscured)

7
5
5
4
16
28
50
50
55
60
52
48
40
44
52
55
55
55
55
58
65
75
69
62

High Clouds (% Sky Obscured)

92
90
83
80
81
87
88
87
86
85
85
76
76
70
60
50
55
55
55
70
86
100
92
87

ISS Passover

Visibility (miles)

6
6
7
8
9
9
9
9
9
9
9
8
7
6
6
5
5
3
2
0
0
0
0
0

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

Precipitation Probability (%)

10
15
18
20
18
15
8
9
6
0
2
3
2
25
34
40
46
51
57
57
57
57
56
53

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.2
0.2
0.2
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
15
16
16
17
17
16
16
15
14
13
12
12
11
11
11
11
11
10
10
11
11
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
89
87
86
86
87
87
87
90
93
95
96
96
96
96
96
96
98
98
98
98
98
98
96

Pressure (mb)

1012
1012
1012
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

387
385
384
383
382
382
382
382
382
382
381
382
382
382
382
381
381
382
383
385
385
386
387
388

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

Generated: 26/04/24 16:24:11. Forecast: 26/04/24 to 02/05/24. Timezone: UTC+1.00