Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 29

Waning Gibbous 64%

02:47

09:53

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

Sun - Rise: 05:34, Set: 20:23, Transit: 13:00. Moon - Rise: 02:47, Set: 09:53. Civil Dark: 21:01 - 04:56. Nautical Dark: 21:51 - 04:06. Astro Dark: 22:51 - 03:04

Total Clouds (% Sky Obscured)

45
65
71
64
46
74
77
67
54
55
35
30
35
33
35
6
3
7
17
19
2
2
19
40

Low Clouds (% Sky Obscured)

40
39
52
50
40
47
41
32
19
18
9
2
2
1
0
0
0
5
14
17
0
0
0
24

Medium Clouds (% Sky Obscured)

52
54
16
3
2
1
24
26
52
41
48
50
55
50
55
4
0
0
0
0
0
0
0
10

High Clouds (% Sky Obscured)

100
93
39
6
5
42
60
61
60
15
3
4
4
6
6
3
3
3
3
2
2
2
28
21

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
1
2
1
0
0
0
0
0
0
0
0
0
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)

13
14
15
16
18
18
17
16
14
12
11
9
8
8
7
7
6
5
6
5
6
6
8
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
69
65
64
63
62
65
71
74
76
79
85
85
84
90
90
93
94
94
96
94
90
82
80

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1015
1015
1015
1015
1015
1014
1014
1014
1013
1013
1013
1012
1012

Ozone (du)

439
436
437
442
439
437
442
440
438
441
442
440
436
434
433
430
427
427
428
430
429
432
436
436

Tuesday 30

Waning Gibbous 53%

03:18

09:53

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 05:32, Set: 20:25, Transit: 12:59. Moon - Rise: 03:18, Set: 09:53. Civil Dark: 21:03 - 04:54. Nautical Dark: 21:53 - 04:04. Astro Dark: 22:54 - 03:01

Total Clouds (% Sky Obscured)

84
100
98
95
100
100
100
92
81
38
38
39
43
96
100
100
100
91
84
95
100
100
97
100

Low Clouds (% Sky Obscured)

41
31
51
64
43
50
52
51
33
1
9
39
39
62
69
71
81
73
52
47
47
41
49
49

Medium Clouds (% Sky Obscured)

30
83
92
87
100
100
100
83
64
43
29
2
1
4
46
65
60
34
46
37
64
58
95
92

High Clouds (% Sky Obscured)

71
77
76
57
48
3
5
5
15
1
1
0
2
30
30
30
26
20
58
77
99
100
30
85

ISS Passover

Visibility (miles)

9
9
9
9
7
6
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
6
5
0
0
0

Precipitation Type

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

Precipitation Probability (%)

2
22
35
48
60
54
37
24
4
2
2
0
0
0
0
0
0
0
0
0
0
0
0
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
14
15
15
13
11
10
9
8
7
6
5
5
4
4
4
4
3
2
2
2
3
1
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
71
70
72
90
93
95
92
89
90
93
96
96
96
95
95
95
95
95
95
95
95
90
86

Pressure (mb)

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

Ozone (du)

436
434
434
434
433
434
436
436
432
430
432
435
438
441
439
432
429
429
431
428
425
420
417
415

Wednesday 1

Third Quarter 41%

03:39

11:18

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 05:30, Set: 20:27, Transit: 12:59. Moon - Rise: 03:39, Set: 11:18. Civil Dark: 21:05 - 04:51. Nautical Dark: 21:55 - 04:01. Astro Dark: 22:58 - 02:57

Total Clouds (% Sky Obscured)

100
91
99
100
100
100
100
100
99
100
100
100
100
100
98
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

55
37
42
65
55
88
88
81
71
64
64
72
72
88
91
94
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

98
79
96
98
95
83
75
99
99
100
100
96
90
88
83
59
100
100
98
100
100
89
75
53

High Clouds (% Sky Obscured)

99
79
95
100
97
99
51
53
49
100
100
95
100
57
50
100
100
92
94
100
99
98
96
95

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
1
0
0
0
0
0
0
0
0
0
1

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

Precipitation Probability (%)

1
3
2
5
26
46
69
74
78
63
84
93
89
66
45
77
95
95
95
73
85
56
59
63

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
75
73
69
66
74
82
86
89
89
93
95
96
96
96
96
98
98
98
98
98
98
98
96

Pressure (mb)

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

Ozone (du)

414
414
415
416
415
413
411
410
406
403
402
401
400
399
399
397
394
391
388
385
383
384
384
384

Thursday 2

Waning Crescent 29%

03:56

12:47

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 05:28, Set: 20:28, Transit: 12:59. Moon - Rise: 03:56, Set: 12:47. Civil Dark: 21:07 - 04:49. Nautical Dark: 21:57 - 03:59. Astro Dark: 23:01 - 02:54

Total Clouds (% Sky Obscured)

100
99
99
99
100
100
97
95
92
92
93
93
93
93
94
95
97
98
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

97
95
92
85
80
73
74
73
72
76
82
86
86
86
87
90
93
96
97
97
98
95
93
91

Medium Clouds (% Sky Obscured)

63
70
70
71
72
49
69
71
66
60
69
67
74
70
32
85
89
93
95
98
100
100
100
100

High Clouds (% Sky Obscured)

94
94
95
97
98
100
85
76
64
55
43
48
48
39
4
60
65
60
56
53
59
53
52
50

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

66
68
69
73
78
82
75
65
44
52
81
95
91
85
95
95
95
95
95
87
58
95
95
95

Precipitation Amount (mm)

0.3
0.3
0.2
0.3
0.4
0.5
0.4
0.2
0
0
0.3
0.8
0.5
0
0.6
1.2
0.9
0.9
0.5
0.5
0
0.8
3.1
1.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
12
13
14
14
15
16
16
15
15
14
13
12
12
12
11
11
11
11
11
11
11
11
11

Feels Like (°C)

10
11
12
13
14
16
16
16
15
14
13
11
8
8
8
8
7
7
6
7
6
6
8
7

Dew Point (°C)

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

Relative Humidity (%)

96
93
93
90
90
90
89
90
95
96
98
98
98
96
95
96
98
96
95
96
95
96
96
98

Pressure (mb)

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

Ozone (du)

385
384
382
383
383
382
382
382
381
382
382
380
379
378
377
375
373
371
372
372
372
372
371
371

Friday 3

Waning Crescent 19%

04:10

14:16

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 05:26, Set: 20:30, Transit: 12:59. Moon - Rise: 04:10, Set: 14:16. Civil Dark: 21:09 - 04:47. Nautical Dark: 22:00 - 03:56. Astro Dark: 23:05 - 02:50

Total Clouds (% Sky Obscured)

100
100
99
100
100
100
100
100
100
100
100
100
100
100
86
94
93
86
78
73
67
58
51
47

Low Clouds (% Sky Obscured)

93
95
96
98
99
100
92
67
73
40
30
9
24
39
58
57
57
56
56
64
72
75
65
55

Medium Clouds (% Sky Obscured)

95
98
97
95
92
91
95
97
100
100
65
50
55
60
65
60
56
47
35
19
7
4
2
0

High Clouds (% Sky Obscured)

45
45
45
52
54
65
69
74
80
77
73
72
79
88
43
35
28
22
17
18
15
16
17
19

ISS Passover

Visibility (miles)

5
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

Light Rain
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 (%)

86
60
64
60
52
42
47
44
36
36
30
26
26
24
22
40
27
7
7
5
1
5
5
3

Precipitation Amount (mm)

0.5
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
93
87
89
87
87
87
87
88
91
95
95
96
96
95
96
95
95
95
95
95
88
84

Pressure (mb)

1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1011
1011
1011
1012
1012
1012
1011
1011
1011
1012
1012
1012
1012
1012

Ozone (du)

371
372
374
375
374
375
375
376
378
380
383
386
387
389
389
387
386
385
383
382
381
381
381
381

Saturday 4

Waning Crescent 18%

04:23

15:44

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 OK

Sun - Rise: 05:25, Set: 20:32, Transit: 12:59. Moon - Rise: 04:23, Set: 15:44. Civil Dark: 21:11 - 04:45. Nautical Dark: 22:02 - 03:54. Astro Dark: 23:08 - 02:46

Total Clouds (% Sky Obscured)

61
76
90
86
82
78
76
74
72
63
61
59
57
55
54
66
79
92
92
92
92
74
57
43

Low Clouds (% Sky Obscured)

50
47
46
54
60
65
56
46
41
30
18
6
18
29
39
51
65
79
84
87
89
71
53
35

Medium Clouds (% Sky Obscured)

13
30
49
47
40
30
32
29
28
16
8
0
4
9
15
27
37
46
31
13
0
1
2
2

High Clouds (% Sky Obscured)

20
20
18
12
9
3
4
5
6
19
32
44
40
29
17
16
14
12
14
17
19
14
9
4

ISS Passover

Visibility (miles)

9
9
9
9
9
8
7
8
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

25
34
36
45
50
53
52
53
47
35
25
6
5
3
0
1
1
1
2
3
2
3
2
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
78
76
75
76
78
79
82
84
87
90
93
96
95
96
96
96
95
95
95
95
93
84
77

Pressure (mb)

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

Ozone (du)

381
380
380
379
380
380
380
381
381
381
382
382
382
383
384
385
385
385
385
387
388
390
391
392

Sunday 5

Waning Crescent 10%

04:36

17:12

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

Sun - Rise: 05:23, Set: 20:33, Transit: 12:59. Moon - Rise: 04:36, Set: 17:12. Civil Dark: 21:12 - 04:43. Nautical Dark: 22:04 - 03:51. Astro Dark: 23:12 - 02:42

Total Clouds (% Sky Obscured)

45
49
63
68
69
66
55
47
37
46
57
68
71
75
81
89
93
98
98
98
98

Low Clouds (% Sky Obscured)

32
32
32
39
45
48
44
36
29
31
35
36
39
43
50
58
66
76
70
65
63

Medium Clouds (% Sky Obscured)

4
5
6
18
31
46
31
17
0
23
47
70
68
61
59
61
58
55
53
49
54

High Clouds (% Sky Obscured)

14
26
38
29
14
0
4
7
10
19
26
30
34
31
34
51
69
86
82
79
70

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 (%)

2
2
0
0
0
0
2
5
3
6
4
0
2
2
1
2
2
1
6
10
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
67
61
58
58
57
57
63
68
75
79
81
87
87
87
87
84
81
78
81
83

Pressure (mb)

1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012

Ozone (du)

393
394
395
396
396
396
395
393
391
388
388
388
387
388
389
390
391
391
392
391
390

Forecast for Bray Court, Windsor and Maidenhead, United Kingdom (51.50,-0.70)

Generated: 29/04/24 10:35:49. Forecast: 29/04/24 to 05/05/24. Timezone: UTC+1.00