Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 24

Full Moon 100%

21:19

05:43

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 OK
18 OK
19 Good
20 OK
21 Good
22 Bad
23 Bad

Sun - Rise: 05:44, Set: 20:17, Transit: 13:00. Moon - Rise: 21:19, Set: 05:43. Civil Dark: 20:54 - 05:07. Nautical Dark: 21:42 - 04:19. Astro Dark: 22:40 - 03:21

Total Clouds (% Sky Obscured)

92
72
59
100
100
100
99
94
64
47
77
80
82
95
96
69
93
44
30
8
29
18
53
61

Low Clouds (% Sky Obscured)

83
88
96
91
84
94
88
77
66
46
74
76
80
93
90
69
90
40
28
7
30
17
53
58

Medium Clouds (% Sky Obscured)

4
19
12
30
23
28
3
0
0
0
0
0
0
0
19
28
28
11
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

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
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
2
0
1
11
6
1
6
3
2
1
10
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)

6
6
8
7
7
5
6
7
9
10
11
11
11
11
10
10
10
10
8
6
3
2
1
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
79
77
77
76
76
73
73
73
65
60
60
58
58
64
63
59
64
63
72
81
85
85
85

Pressure (mb)

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

Ozone (du)

406
408
411
410
406
404
403
404
406
405
405
400
400
403
405
409
409
411
415
413
411
409
407
407

Thursday 25

Waning Gibbous 99%

22:38

05:57

00 Bad
01 OK
02 Bad
03 Bad
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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:42, Set: 20:18, Transit: 13:00. Moon - Rise: 22:38, Set: 05:57. Civil Dark: 20:56 - 05:04. Nautical Dark: 21:44 - 04:16. Astro Dark: 22:43 - 03:18

Total Clouds (% Sky Obscured)

58
43
87
85
91
96
100
99
46
46
45
61
90
100
100
100
98
97
94
96
90
97
94
96

Low Clouds (% Sky Obscured)

53
42
53
73
82
76
18
59
53
36
51
51
77
94
80
83
76
79
76
74
55
64
70
58

Medium Clouds (% Sky Obscured)

0
0
0
0
0
14
55
90
40
34
40
31
52
68
88
99
88
60
48
48
39
37
64
78

High Clouds (% Sky Obscured)

9
4
49
68
84
88
99
92
19
10
2
1
2
3
17
20
23
34
20
34
25
16
56
82

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 (%)

1
0
0
0
0
1
2
1
1
1
3
12
11
31
33
23
33
28
30
21
12
3
2
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
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
74
83
83
76
77
83
88
78
71
64
62
59
59
72
67
73
66
69
78
90
91
90
90

Pressure (mb)

1013
1012
1011
1010
1009
1008
1008
1007
1007
1007
1006
1005
1005
1004
1004
1003
1003
1003
1003
1003
1003
1003
1003
1003

Ozone (du)

407
408
408
409
411
413
414
415
416
415
415
414
412
412
413
413
414
415
414
414
415
417
418
419

Friday 26

Waning Gibbous 96%

23:56

06:18

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:40, Set: 20:20, Transit: 13:00. Moon - Rise: 23:56, Set: 06:18. Civil Dark: 20:58 - 05:02. Nautical Dark: 21:47 - 04:13. Astro Dark: 22:46 - 03:14

Total Clouds (% Sky Obscured)

98
97
95
84
93
95
94
90
100
97
94
94
98
97
100
91
96
94
91
100
100
100
100
100

Low Clouds (% Sky Obscured)

52
44
20
2
14
24
31
27
27
28
25
48
88
91
91
87
89
83
78
85
84
94
81
79

Medium Clouds (% Sky Obscured)

82
68
82
72
58
72
76
47
50
85
92
84
91
97
100
88
88
50
43
52
58
86
99
100

High Clouds (% Sky Obscured)

93
79
67
37
56
70
51
39
50
50
45
45
45
41
24
0
6
16
22
50
39
100
91
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

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
2
9
12
33
33
34
25
16
3
2
5
13
40

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
93
94
94
94
98
94
83
78
72
69
67
66
68
67
68
72
73
77
79
79
84
84

Pressure (mb)

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

Ozone (du)

420
421
420
420
419
420
420
422
427
430
432
432
433
435
438
440
441
441
440
439
438
437
436
434

Saturday 27

Waning Gibbous 91%

No Rise

06:47

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:38, Set: 20:22, Transit: 13:00. Moon - Rise: No Rise, Set: 06:47. Civil Dark: 21:00 - 05:00. Nautical Dark: 21:49 - 04:11. Astro Dark: 22:49 - 03:10

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
90
98
89
94
94
97
98
100
100
100

Low Clouds (% Sky Obscured)

70
77
85
93
93
89
86
83
79
75
67
59
50
55
58
69
54
55
47
59
72
87
84
81

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
98
89
76
76
77
69
77
58
60
62
60
60
66

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
72
34
38
37
38
44
46
52
47
53
72
85
99
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
5
2
2
0
0
4
9
4
5
6
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

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

Precipitation Probability (%)

60
71
95
95
95
86
80
90
95
68
75
58
45
45
55
60
66
55
36
34
51
49
44
40

Precipitation Amount (mm)

0
0.4
0.7
1
0.8
0.5
0.4
0.5
1.6
0.2
0.5
0
0
0
0.3
0.3
0.4
0.3
0
0
0.2
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
4
4
4
4
4
4
6
7
9
9
10
10
11
11
10
10
10
10
10
10
10
9
9

Relative Humidity (%)

85
84
85
85
83
81
81
87
93
98
98
98
96
93
92
84
83
81
87
88
95
96
95
96

Pressure (mb)

1004
1004
1003
1003
1003
1003
1002
1002
1002
1003
1003
1003
1003
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002

Ozone (du)

434
436
439
440
442
443
445
446
443
440
437
433
433
431
429
428
427
423
421
420
419
419
418
419

Sunday 28

Waning Gibbous 83%

01:08

07:31

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
19 Bad
20 Bad
21 OK
22 OK
23 Bad

Sun - Rise: 05:36, Set: 20:23, Transit: 13:00. Moon - Rise: 01:08, Set: 07:31. Civil Dark: 21:02 - 04:58. Nautical Dark: 21:51 - 04:08. Astro Dark: 22:53 - 03:07

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
96
93
89
89
85
80
91
97
96
100
98
88
69
47
29
32
36

Low Clouds (% Sky Obscured)

79
76
77
92
89
84
79
76
71
59
58
63
68
73
74
75
80
62
64
34
28
22
24
26

Medium Clouds (% Sky Obscured)

97
97
100
100
100
100
100
91
80
36
32
27
26
24
20
15
76
80
52
54
27
0
1
1

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
90
83
72
75
54
0
12
23
39
100
80
68
48
27
6
5
3

ISS Passover

Visibility (miles)

9
9
9
8
1
0
0
9
9
9
9
9
9
4
9
5
9
7
9
8
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
None
None
None
None
None

Precipitation Probability (%)

41
54
66
93
95
95
95
95
70
15
43
58
71
75
76
86
78
74
73
36
29
12
13
10

Precipitation Amount (mm)

0
0.2
0.3
0.8
1.2
0.9
1
0.7
0.3
0
0
0
0.3
0.4
0.3
0.5
0.4
0.3
0.4
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
96
98
98
100
100
96
95
90
83
76
74
77
82
84
84
86
86
86
86
87
87
88

Pressure (mb)

1002
1001
1001
1000
1000
1000
1000
1000
1001
1001
1002
1002
1002
1003
1003
1003
1003
1004
1004
1004
1008
1009
1009
1009

Ozone (du)

419
418
417
418
418
418
419
421
426
428
431
435
440
440
435
433
431
432
432
432
434
437
439
438

Monday 29

Waning Gibbous 74%

02:07

08:33

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
19 Bad
20 OK
21 Good
22 Good
23 Good

Sun - Rise: 05:34, Set: 20:25, Transit: 13:00. Moon - Rise: 02:07, Set: 08:33. Civil Dark: 21:04 - 04:56. Nautical Dark: 21:54 - 04:06. Astro Dark: 22:56 - 03:03

Total Clouds (% Sky Obscured)

41
53
63
73
80
86
94
95
97
100
98
97
94
86
78
70
65
62
68
48
25
2
1
1

Low Clouds (% Sky Obscured)

28
39
50
60
65
69
74
78
82
85
86
87
88
80
72
64
66
68
65
47
21
1
1
1

Medium Clouds (% Sky Obscured)

3
2
1
1
17
31
47
58
72
83
70
54
41
25
14
2
6
11
17
13
6
0
0
0

High Clouds (% Sky Obscured)

1
4
7
9
15
20
22
27
36
41
28
14
1
0
0
0
0
0
0
0
1
1
1
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
8
7
6
5
5
6
7
8
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
2
2
14
19
22
25
29
35
48
57
63
67
67
64
57
47
30
25
17
5
5
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
9
8
8
8
8
8
9
9
10
11
11
12
12
13
13
14
13
13
12
11
10
9
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
93
95
96
96
96
95
95
93
91
90
88
86
84
84
84
84
86
87
87
90
91
95
95

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1012
1013
1013
1014
1015
1015
1015

Ozone (du)

437
437
435
434
432
435
438
441
441
441
441
441
441
441
440
439
437
436
436
435
434
432
431
432

Tuesday 30

Waning Gibbous 64%

02:50

09:50

00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 OK
07 OK
08 OK
09 OK
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

Sun - Rise: 05:32, Set: 20:27, Transit: 13:00. Moon - Rise: 02:50, Set: 09:50. Civil Dark: 21:06 - 04:54. Nautical Dark: 21:56 - 04:03. Astro Dark: 23:00 - 02:59

Total Clouds (% Sky Obscured)

0
1
1
0
4
9
16
24
32
43
56
67
76
80
83
87
91
96
100
100
100
100
99
98

Low Clouds (% Sky Obscured)

1
2
3
4
5
7
10
15
20
25
20
14
7
25
43
61
48
38
31
26
27
25
37
50

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
1
2
18
35
50
60
72
82
72
65
59
73
86
100
94
88

High Clouds (% Sky Obscured)

1
4
8
12
18
25
34
41
49
53
45
37
30
32
33
32
52
74
100
99
99
99
83
67

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
1
4
8
10
13
14
14
19
21
20
41
49

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

Chance of Frost

Temperature (°C)

7
7
6
6
6
6
6
6
8
11
13
14
15
16
16
16
16
15
14
13
12
12
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
96
96
94
94
87
80
74
71
67
65
68
70
73
74
75
75
79
83
87
90

Pressure (mb)

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

Ozone (du)

432
432
432
431
431
431
431
432
432
432
432
431
431
430
430
430
430
430
430
429
427
425
423
422

Forecast for Bletchley, Milton Keynes, United Kingdom (51.99,-0.74)

Generated: 24/04/24 05:26:59. Forecast: 24/04/24 to 30/04/24. Timezone: UTC+1.00