Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 29

Waning Gibbous 74%

02:50

08:33

03 Good
04 OK
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

Sun - Rise: 05:34, Set: 20:25, Transit: 13:00. Moon - Rise: 02:50, Set: 08:33. Civil Dark: 21:04 - 04:56. Nautical Dark: 21:54 - 04:06. Astro Dark: 22:56 - 02:59

Total Clouds (% Sky Obscured)

0
14
58
80
76
100
70
88
92
86
95
95
78
99
77
79
70
72
68
90
90
80
54
51

Low Clouds (% Sky Obscured)

0
0
0
1
18
29
30
56
53
66
72
42
39
67
33
20
3
3
14
2
2
1
0
0

Medium Clouds (% Sky Obscured)

22
89
52
8
6
10
7
23
53
48
86
38
53
81
71
60
53
55
62
87
90
71
46
47

High Clouds (% Sky Obscured)

7
65
82
82
82
100
58
65
61
41
28
83
70
79
65
23
3
33
5
7
17
30
8
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
0
0
0
2
13
6
14
5
13
2
3
1
3
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)

6
6
7
9
10
11
14
16
17
17
19
19
18
18
18
16
15
12
11
11
11
10
11
10

Chance of Frost

Temperature (°C)

5
5
5
5
6
8
10
11
12
13
13
14
14
14
13
13
12
11
10
10
10
9
9
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
93
94
93
93
91
88
80
75
71
68
71
70
74
78
77
80
81
81
84
84
85
87
90

Pressure (mb)

1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1013
1013

Ozone (du)

459
455
452
447
443
441
437
434
435
435
435
437
439
436
436
437
437
440
436
434
435
435
430
427

Tuesday 30

Waning Gibbous 64%

No Rise

09:50

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

Sun - Rise: 05:32, Set: 20:27, Transit: 13:00. Moon - Rise: No Rise, Set: 09:50. Civil Dark: 21:06 - 04:54. Nautical Dark: 21:56 - 04:03. Astro Dark: 23:00 - 02:56

Total Clouds (% Sky Obscured)

46
51
53
29
24
10
3
49
30
46
66
74
85
52
49
100
32
47
53
83
83
80
100
98

Low Clouds (% Sky Obscured)

0
4
13
3
6
0
0
50
17
22
28
23
55
48
43
42
26
30
34
46
45
36
47
57

Medium Clouds (% Sky Obscured)

42
45
42
23
16
0
0
0
1
40
63
68
38
35
35
100
33
24
29
34
16
23
6
64

High Clouds (% Sky Obscured)

3
3
3
2
2
15
5
2
18
11
50
38
11
48
68
58
21
1
0
35
43
61
100
96

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
16
20
17
15
20
28
20
12
9
4
8
13
19
0
0
1
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)

8
8
8
8
9
10
12
13
15
15
16
16
15
15
13
12
9
6
6
6
5
5
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
7
6
5
6
8
8
11
12
13
13
13
13
14
13
13
13
11
12
11
10
10
9
8

Dew Point (°C)

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

Relative Humidity (%)

93
95
94
93
90
84
80
79
75
75
70
71
70
78
85
87
90
93
95
98
98
98
96
96

Pressure (mb)

1013
1013
1012
1012
1012
1012
1012
1011
1010
1010
1009
1009
1009
1008
1008
1008
1008
1008
1009
1009
1009
1009
1009
1009

Ozone (du)

428
427
427
428
427
430
436
439
434
431
433
435
436
433
432
431
433
436
440
440
438
436
436
438

Wednesday 1

Third Quarter 53%

03:20

11:16

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 05:30, Set: 20:28, Transit: 12:59. Moon - Rise: 03:20, Set: 11:16. Civil Dark: 21:07 - 04:51. Nautical Dark: 21:58 - 04:00. Astro Dark: 23:03 - 02:52

Total Clouds (% Sky Obscured)

88
82
88
94
90
71
82
79
90
77
88
91
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

55
43
48
56
54
40
45
42
51
43
34
71
29
54
86
57
63
74
68
74
84
83
89
94

Medium Clouds (% Sky Obscured)

71
23
34
73
65
40
47
40
63
50
80
73
96
94
100
97
94
91
91
100
100
96
100
93

High Clouds (% Sky Obscured)

70
60
55
55
50
45
45
40
13
55
8
42
99
100
100
95
57
62
53
50
45
52
46
41

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
7
5
6
4
4
8
9
9
6
0
0
0
0

Fog (%)

0
0
0
0
41
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
None
None
None
Very Light Rain
Light Rain
None
Light Rain
Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
2
5
6
17
42
50
58
59
44
27
47
57
54
87
71
44
48

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0.3
0.4
0
0.9
0.4
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
7
7
8
9
11
13
13
14
15
16
16
16
16
15
15
14
13
12
11
10
9
9

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
95
91
88
86
82
76
74
71
70
81
89
90
92
92
93
95
96
98
98
96
98

Pressure (mb)

1009
1009
1009
1009
1009
1009
1010
1009
1009
1009
1009
1008
1008
1008
1007
1007
1007
1008
1008
1008
1008
1008
1007
1007

Ozone (du)

435
432
431
431
427
427
425
423
422
420
419
417
414
412
410
409
407
405
403
402
401
399
398
396

Thursday 2

Waning Crescent 41%

03:42

12:46

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 05:29, Set: 20:30, Transit: 12:59. Moon - Rise: 03:42, Set: 12:46. Civil Dark: 21:09 - 04:49. Nautical Dark: 22:01 - 03:58. Astro Dark: 23:07 - 02:48

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

100
98
97
95
97
98
100
100
100
100
100
100
100
100
100
100
99
99
98
97
97
96
97
98

Medium Clouds (% Sky Obscured)

100
92
90
100
100
100
89
97
93
91
91
85
77
77
77
77
81
85
85
89
93
91
93
97

High Clouds (% Sky Obscured)

36
24
15
78
69
19
33
78
85
100
87
77
67
66
63
65
67
73
29
21
24
16
21
37

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
9
7
9
9
9
9
9
2
4
4
4
4
3
1
3
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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
Very Light Rain
None
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

50
55
67
73
85
88
83
85
85
82
67
53
28
42
51
48
46
51
63
62
69
74
73
81

Precipitation Amount (mm)

0
0
0.2
0.3
0.3
0.4
0.3
0.4
0.4
0.4
0.3
0
0
0
0
0
0
0
0.2
0
0.2
0.5
0.4
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
11
11
11
11
11
11
11
11
12
12
12
12
12
12
12
12
12
11
11
11
11
10

Relative Humidity (%)

98
100
98
98
98
98
98
98
92
92
93
90
89
92
93
96
98
98
98
98
98
98
100
98

Pressure (mb)

1006
1006
1005
1005
1005
1005
1004
1004
1004
1004
1004
1004
1004
1004
1004
1005
1005
1005
1006
1006
1007
1007
1006
1006

Ozone (du)

393
389
386
385
384
383
382
383
382
382
382
381
381
381
381
379
378
378
378
378
377
376
377
377

Friday 3

Waning Crescent 29%

03:58

14:15

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 05:27, Set: 20:32, Transit: 12:59. Moon - Rise: 03:58, Set: 14:15. Civil Dark: 21:11 - 04:47. Nautical Dark: 22:03 - 03:55. Astro Dark: 23:11 - 02:44

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
98
96
95
92
89
90
90
91
89
88
88
90
91
93
90
87

Low Clouds (% Sky Obscured)

100
99
98
97
96
95
93
93
93
93
87
81
72
57
42
27
86
84
82
83
85
86
83
79

Medium Clouds (% Sky Obscured)

86
67
89
93
91
89
87
85
83
84
75
77
74
71
70
70
50
60
60
65
65
60
44
41

High Clouds (% Sky Obscured)

52
53
58
53
52
52
54
71
75
63
66
58
58
64
75
81
71
71
77
56
29
2
2
2

ISS Passover

Visibility (miles)

4
4
1
1
0
0
1
4
9
9
9
8
6
7
8
6
3
5
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

92
95
95
95
95
95
95
67
51
47
56
74
89
89
95
95
91
88
88
70
51
27
22
17

Precipitation Amount (mm)

0.8
1
1.2
1.5
1.4
1.7
1.1
0.4
0
0
0
0.4
0.5
0.3
0.5
0.8
0.6
0.6
0.8
0.4
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
98
98
98
98
96
96
96
96
96
96
96
96
96
93
92
92
90
90
90
90
91

Pressure (mb)

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

Ozone (du)

375
374
373
372
372
370
368
369
370
369
368
368
367
368
369
371
372
374
376
377
380
382
384
385

Saturday 4

Waning Crescent 19%

04:11

15:44

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 05:25, Set: 20:33, Transit: 12:59. Moon - Rise: 04:11, Set: 15:44. Civil Dark: 21:13 - 04:45. Nautical Dark: 22:06 - 03:53. Astro Dark: 23:15 - 02:40

Total Clouds (% Sky Obscured)

85
71
60
51
58
60
61
73
85
95
88
82
78
80
80
80
72
63
50
52
59
63
59
62

Low Clouds (% Sky Obscured)

76
72
66
64
68
73
69
67
65
70
66
67
70
63
54
43
33
24
14
19
26
33
33
33

Medium Clouds (% Sky Obscured)

43
42
42
39
34
26
24
31
37
44
41
37
33
30
31
32
28
27
30
28
28
26
18
12

High Clouds (% Sky Obscured)

1
1
1
1
3
5
6
29
55
84
69
57
36
53
73
89
79
80
75
78
72
70
68
66

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
7
7
7
7
6
5
4
5
7
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

4
3
2
0
0
0
0
11
15
16
30
37
42
52
59
65
53
41
26
22
14
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
5
5
5
9
9
11
11
12
13
15
15
15
15
14
14
11
11
10
9
9
8
7

Dew Point (°C)

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

Relative Humidity (%)

93
95
93
93
95
87
80
75
73
72
71
72
73
74
76
82
87
87
88
88
90
90
91
91

Pressure (mb)

1011
1011
1011
1011
1011
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1012
1012
1012
1013
1013
1013
1014
1014
1014

Ozone (du)

387
389
389
390
391
393
395
397
399
402
404
403
402
401
400
399
398
398
399
399
399
399
400
399

Sunday 5

Waning Crescent 10%

04:23

17:12

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 OK
00 OK

Sun - Rise: 05:23, Set: 20:35, Transit: 12:59. Moon - Rise: 04:23, Set: 17:12. Civil Dark: 21:15 - 04:43. Nautical Dark: 22:08 - 03:50. Astro Dark: 23:19 - 02:35

Total Clouds (% Sky Obscured)

58
62
64
68
75
82
81
70
63
57
58
56
53
51
54
53
45
35
22
22
21
19

Low Clouds (% Sky Obscured)

33
23
14
4
7
10
13
19
27
38
38
35
32
24
17
9
9
11
13
13
12
12

Medium Clouds (% Sky Obscured)

3
4
5
6
21
35
45
34
25
15
17
19
25
25
25
26
18
10
2
1
1
0

High Clouds (% Sky Obscured)

59
61
64
66
67
74
75
59
43
29
31
35
39
40
38
43
27
15
4
5
7
8

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

Fog (%)

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

Precipitation Probability (%)

0
3
1
0
4
2
0
9
10
10
17
21
23
25
26
23
27
22
10
14
10
5

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
7
7
7
8
9
11
12
13
14
15
16
16
15
15
14
13
12
10
9
9
8

Feels Like (°C)

6
7
6
7
7
7
7
8
8
9
9
16
15
14
15
14
14
12
11
11
11
10

Dew Point (°C)

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

Relative Humidity (%)

91
93
94
93
94
91
88
84
77
73
68
66
65
62
69
76
84
88
91
95
96
96

Pressure (mb)

1014
1014
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1015
1016
1016
1016
1016
1017
1017
1017
1017

Ozone (du)

399
399
399
399
399
400
401
401
402
403
404
402
400
398
396
395
393
391
389
388
387
385

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

Generated: 29/04/24 03:08:15. Forecast: 29/04/24 to 05/05/24. Timezone: UTC+1.00