Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 29

Waning Gibbous 64%

02:46

09:54

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

Sun - Rise: 05:35, Set: 20:23, Transit: 13:00. Moon - Rise: 02:46, Set: 09:54. Civil Dark: 21:01 - 04:57. Nautical Dark: 21:50 - 04:07. Astro Dark: 22:50 - 03:06

Total Clouds (% Sky Obscured)

48
47
54
51
45
7
12
5
40
23
2
11
7
8
9
0
0
0
34
19
78
94
91
95

Low Clouds (% Sky Obscured)

31
37
13
2
2
2
1
2
0
0
0
8
6
6
7
0
0
0
33
12
36
38
40
33

Medium Clouds (% Sky Obscured)

1
1
0
0
2
2
10
2
50
27
2
1
0
0
0
0
0
0
0
0
0
55
55
86

High Clouds (% Sky Obscured)

6
19
56
50
55
3
3
2
0
0
0
0
0
0
0
0
0
0
1
6
72
90
48
43

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
0
0
0
0
0
0
0
0
0
6
6
6

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)

17
16
15
13
12
10
9
10
8
8
7
7
7
7
7
7
8
10
13
14
15
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
63
70
74
77
83
88
85
90
90
93
93
93
93
94
94
90
84
73
69
69
67
67
68

Pressure (mb)

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

Ozone (du)

435
441
439
437
437
438
441
437
438
438
435
434
430
428
428
427
430
436
442
442
441
439
437
437

Tuesday 30

Waning Gibbous 53%

03:17

11:20

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

Sun - Rise: 05:33, Set: 20:25, Transit: 13:00. Moon - Rise: 03:17, Set: 11:20. Civil Dark: 21:03 - 04:55. Nautical Dark: 21:52 - 04:05. Astro Dark: 22:53 - 03:03

Total Clouds (% Sky Obscured)

93
95
60
59
27
87
89
100
100
100
100
100
91
100
100
99
100
100
100
100
100
100
96
99

Low Clouds (% Sky Obscured)

32
30
30
33
27
28
52
66
64
64
58
51
60
81
90
77
53
50
56
53
53
58
77
81

Medium Clouds (% Sky Obscured)

81
92
53
36
2
45
54
58
61
61
60
65
21
57
60
34
59
63
97
100
100
99
85
97

High Clouds (% Sky Obscured)

45
41
50
9
1
26
47
68
100
100
100
100
76
100
99
94
88
100
73
65
70
82
81
80

ISS Passover

Visibility (miles)

9
9
7
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 (%)

32
36
33
29
11
15
0
1
0
0
0
0
1
0
0
0
0
0
0
7
19
23
21
21

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)

15
14
13
11
10
7
6
5
5
5
5
4
3
3
2
2
2
2
1
2
2
2
3
4

Chance of Frost

Temperature (°C)

16
16
15
15
14
13
11
11
11
11
10
10
10
9
9
10
10
11
13
14
15
15
16
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
75
79
86
86
93
98
98
95
93
96
98
96
98
98
95
91
87
81
78
71
67
65
67

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1008
1008

Ozone (du)

437
434
431
429
429
431
431
432
432
429
423
426
429
429
431
429
425
425
423
420
420
419
418
418

Wednesday 1

Third Quarter 41%

03:39

12:48

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 05:31, Set: 20:27, Transit: 13:00. Moon - Rise: 03:39, Set: 12:48. Civil Dark: 21:05 - 04:52. Nautical Dark: 21:54 - 04:02. Astro Dark: 22:56 - 02:59

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

82
87
82
84
80
74
74
86
85
89
100
100
100
96
94
95
91
92
89
68
69
83
86
89

Medium Clouds (% Sky Obscured)

91
99
100
97
100
100
96
100
76
88
89
80
98
88
95
100
91
98
100
93
89
25
14
1

High Clouds (% Sky Obscured)

21
89
100
95
100
100
55
100
100
100
100
76
60
100
100
100
100
99
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
7
6
9
9
9
9
9
9
9
0
0
0
0
0
0
0
0
0
0
6
6
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

35
67
86
87
65
89
75
25
9
5
37
75
92
95
95
95
95
95
94
86
54
46
27
26

Precipitation Amount (mm)

0
0.3
0.6
0.6
0
0.6
0.4
0
0
0
0
0.4
0.5
0.6
1.1
1.2
1.1
1.3
1.1
1.1
0.2
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
10
13
13
14
13
13
13
13
12
11
12
12
11
11
10
10
10
11
12
13
14
16
16

Relative Humidity (%)

66
66
85
92
96
96
96
95
96
96
93
98
98
96
96
98
98
98
98
98
96
95
93
92

Pressure (mb)

1008
1007
1007
1007
1007
1007
1007
1006
1006
1005
1004
1004
1003
1003
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002

Ozone (du)

414
412
409
407
406
404
403
401
399
398
396
394
390
387
386
386
386
385
384
383
383
384
384
385

Thursday 2

Waning Crescent 29%

03:56

14:16

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 05:29, Set: 20:28, Transit: 12:59. Moon - Rise: 03:56, Set: 14:16. Civil Dark: 21:07 - 04:50. Nautical Dark: 21:57 - 04:00. Astro Dark: 23:00 - 02:56

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

93
86
80
73
76
81
85
84
83
82
88
94
100
98
97
95
95
94
94
92
88
43
49
57

Medium Clouds (% Sky Obscured)

17
29
37
46
58
71
75
88
94
100
91
83
74
80
71
94
92
91
82
93
80
46
48
44

High Clouds (% Sky Obscured)

100
100
100
100
82
41
98
46
47
47
36
48
45
50
50
65
64
65
65
65
60
60
55
55

ISS Passover

Visibility (miles)

9
9
9
9
8
9
9
9
9
9
9
9
5
3
9
9
9
5
8
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
Very Light Rain
Light Rain
Light Rain
None
None
Very Light Rain
Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

19
36
41
49
55
62
70
68
62
51
61
73
95
79
54
35
56
75
53
34
16
10
15
26

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.3
0.2
0
0
0.3
1
0.5
0
0
0.3
0.6
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
19
19
18
18
16
15
14
14
13
13
12
12
12
11
11
11
11
11
11
11
12
13
14

Feels Like (°C)

18
18
17
16
15
12
11
10
9
9
8
8
8
7
6
6
6
6
7
6
7
8
9
9

Dew Point (°C)

17
18
18
18
17
16
15
13
13
12
12
11
11
11
10
10
9
10
9
9
9
9
7
7

Relative Humidity (%)

93
95
96
96
96
96
96
95
95
95
95
95
95
95
93
90
88
90
91
90
87
79
66
63

Pressure (mb)

1002
1002
1003
1003
1004
1004
1005
1006
1006
1006
1007
1007
1007
1007
1007
1008
1008
1009
1009
1010
1010
1010
1010
1010

Ozone (du)

385
383
382
382
382
380
379
377
377
377
376
375
374
374
376
376
375
374
376
377
377
379
377
379

Friday 3

Waning Crescent 19%

04:10

No Set

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 05:27, Set: 20:30, Transit: 12:59. Moon - Rise: 04:10, Set: No Set. Civil Dark: 21:08 - 04:48. Nautical Dark: 21:59 - 03:57. Astro Dark: 23:03 - 02:52

Total Clouds (% Sky Obscured)

100
99
90
50
50
78
100
100
99
46
96
94
91
85
75
67
93
89
84
87
89
90
90
89

Low Clouds (% Sky Obscured)

73
76
72
46
39
33
27
28
27
31
32
38
42
42
37
34
68
58
48
55
61
66
69
71

Medium Clouds (% Sky Obscured)

45
50
50
50
55
55
50
50
48
48
69
75
59
55
55
47
67
66
69
66
61
60
56
56

High Clouds (% Sky Obscured)

11
2
5
9
24
63
99
100
99
47
83
77
51
36
66
59
58
51
41
41
43
42
45
43

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

24
23
13
7
5
2
0
0
1
0
0
1
3
5
7
7
21
24
25
55
70
82
74
72

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.6
0.4
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
76
70
74
77
87
90
93
91
90
91
90
90
90
90
91
90
85
83
80
79
78
76
78

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1011
1011
1010
1010
1010
1009
1009
1009
1009
1009
1010
1010
1010
1010
1009
1009
1009

Ozone (du)

380
382
384
386
386
386
388
388
390
391
390
392
393
395
399
403
406
409
412
415
414
414
414
412

Saturday 4

Waning Crescent 10%

04:23

15:44

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 05:26, Set: 20:31, Transit: 12:59. Moon - Rise: 04:23, Set: 15:44. Civil Dark: 21:10 - 04:46. Nautical Dark: 22:01 - 03:55. Astro Dark: 23:07 - 02:48

Total Clouds (% Sky Obscured)

89
86
83
80
65
52
43
56
60
64
77
85
96
94
95
93
92
90
87
91
95
100
92
86

Low Clouds (% Sky Obscured)

73
67
62
59
50
44
32
41
47
55
58
58
61
69
77
86
84
83
81
85
87
89
84
81

Medium Clouds (% Sky Obscured)

59
59
63
68
62
66
60
56
56
52
58
74
90
76
68
55
60
60
60
63
61
61
53
44

High Clouds (% Sky Obscured)

45
45
45
40
40
45
60
65
75
85
90
90
90
90
95
90
72
54
37
52
70
88
85
86

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

75
68
60
49
39
30
13
18
22
26
33
40
47
58
64
68
65
73
90
83
85
90
74
64

Precipitation Amount (mm)

0.5
0.3
0.2
0
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0.4
0.3
0.4
0.8
0.6
0.6
0.7
0.4
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
79
83
86
90
88
90
90
91
93
93
95
96
96
96
96
96
96
96
98
95
93
92
89

Pressure (mb)

1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009
1010
1010
1010
1010
1010

Ozone (du)

411
410
410
409
409
407
406
405
406
408
409
410
410
411
412
414
415
415
415
414
416
418
419
419

Sunday 5

Waning Crescent 4%

04:36

17:12

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
12 Bad

Sun - Rise: 05:24, Set: 20:33, Transit: 12:59. Moon - Rise: 04:36, Set: 17:12. Civil Dark: 21:12 - 04:45. Nautical Dark: 22:04 - 03:53. Astro Dark: 23:10 - 02:44

Total Clouds (% Sky Obscured)

84
89
94
96
96
95
98
99
99
98
99
99
100
100
100
100
99
99
98
97
97
95

Low Clouds (% Sky Obscured)

80
74
66
58
56
53
51
64
77
90
91
92
94
95
94
93
93
91
89
85
81
78

Medium Clouds (% Sky Obscured)

45
50
55
55
69
73
74
81
89
94
95
97
100
95
92
86
82
80
83
61
39
18

High Clouds (% Sky Obscured)

85
87
92
93
88
83
79
83
82
76
79
88
97
82
69
59
58
57
52
32
17
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

59
73
74
61
68
63
51
50
48
44
48
50
54
60
60
55
68
69
60
54
50
46

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
86
87
89
90
90
93
95
96
95
95
96
95
96
95
95
95
95
96
96
92
87

Pressure (mb)

1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1010
1010
1010
1010
1010
1010

Ozone (du)

418
418
419
420
421
423
424
426
427
429
431
430
429
428
430
431
433
433
433
433
430
427

Forecast for Sandhurst, Bracknell Forest, United Kingdom (51.35,-0.79)

Generated: 29/04/24 15:58:41. Forecast: 29/04/24 to 05/05/24. Timezone: UTC+1.00