Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 29

Waning Gibbous 64%

02:48

09:52

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

Sun - Rise: 05:33, Set: 20:24, Transit: 12:59. Moon - Rise: 02:48, Set: 09:52. Civil Dark: 21:02 - 04:55. Nautical Dark: 21:52 - 04:05. Astro Dark: 22:53 - 03:02

Total Clouds (% Sky Obscured)

65
54
49
74
69
61
92
35
32
33
45
46
38
5
16
19
16
6
1
22
50
61
100
99

Low Clouds (% Sky Obscured)

60
43
24
33
35
17
23
2
2
2
2
0
0
0
13
16
13
3
0
5
14
46
46
48

Medium Clouds (% Sky Obscured)

11
2
1
33
50
69
51
48
54
56
55
60
39
1
0
0
0
0
0
0
17
26
75
97

High Clouds (% Sky Obscured)

7
5
51
60
55
50
58
7
4
8
16
6
4
5
4
3
3
3
1
24
44
39
76
59

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
11
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
19
35

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
17
17
18
17
16
14
12
11
10
10
9
9
9
8
7
7
7
8
10
12
12
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
69
66
71
75
77
79
80
84
87
85
88
90
93
93
93
94
94
91
84
81
80
76
74

Pressure (mb)

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

Ozone (du)

439
441
437
439
439
436
441
444
441
436
433
433
431
428
427
428
429
429
429
434
436
436
436
434

Tuesday 30

Waning Gibbous 53%

03:19

11:17

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
12 Bad

Sun - Rise: 05:31, Set: 20:26, Transit: 12:59. Moon - Rise: 03:19, Set: 11:17. Civil Dark: 21:04 - 04:53. Nautical Dark: 21:54 - 04:02. Astro Dark: 22:56 - 02:59

Total Clouds (% Sky Obscured)

97
100
100
100
97
92
96
83
60
82
74
96
100
100
100
99
99
99
100
99
100
100
99
94

Low Clouds (% Sky Obscured)

69
65
55
53
54
48
34
11
40
45
48
78
80
81
88
59
45
38
36
37
31
59
51
56

Medium Clouds (% Sky Obscured)

93
100
100
100
94
78
93
75
37
18
0
70
65
65
52
57
54
94
59
98
100
99
95
81

High Clouds (% Sky Obscured)

48
50
7
4
5
4
2
1
0
58
35
40
35
30
77
86
92
96
100
54
80
100
69
66

ISS Passover

Visibility (miles)

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

Precipitation Type

None
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
None
None
None
None

Precipitation Probability (%)

44
56
59
51
36
8
6
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
11

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

16
16
14
12
11
10
8
7
6
7
6
5
5
5
4
3
2
3
3
3
3
3
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
87
96
95
95
95
93
95
96
98
98
96
98
96
96
96
96
96
95
88
84
80
74
73

Pressure (mb)

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

Ozone (du)

435
434
434
435
435
432
430
431
434
435
438
440
436
430
428
430
430
426
422
418
416
415
413
414

Wednesday 1

Third Quarter 41%

03:40

12:46

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
12 Bad

Sun - Rise: 05:29, Set: 20:27, Transit: 12:59. Moon - Rise: 03:40, Set: 12:46. Civil Dark: 21:06 - 04:51. Nautical Dark: 21:56 - 04:00. Astro Dark: 23:00 - 02:55

Total Clouds (% Sky Obscured)

100
100
100
100
100
97
100
100
100
100
97
100
100
100
100
100
100
100
100
100
100
99
97
96

Low Clouds (% Sky Obscured)

83
91
84
75
76
66
68
77
75
88
85
93
100
100
100
100
100
100
100
99
99
96
94
91

Medium Clouds (% Sky Obscured)

100
87
94
72
84
87
99
100
100
80
91
91
52
93
98
58
93
100
86
69
42
54
61
65

High Clouds (% Sky Obscured)

100
89
91
97
71
78
94
100
93
64
63
96
100
100
92
100
100
99
92
100
100
83
73
70

ISS Passover

Visibility (miles)

9
9
9
9
9
7
8
9
5
0
0
0
0
0
0
0
0
0
0
0
0
0
9
1

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
5
17
17
17
17
17
17
17
17
17
17
17
17

Precipitation Type

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

Precipitation Probability (%)

4
23
50
73
74
76
57
82
90
78
60
56
81
95
95
88
69
67
52
56
60
72
78
78

Precipitation Amount (mm)

0
0
0
0.5
0.4
0.5
0.2
0.5
0.6
0.4
0
0.3
0.6
0.8
1
0.6
0.4
0.2
0
0.2
0.3
0.5
0.6
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
71
74
84
89
89
92
95
96
98
96
98
96
98
98
98
98
100
98
98
98
96
93
96

Pressure (mb)

1009
1008
1008
1007
1007
1007
1007
1007
1007
1006
1006
1005
1005
1004
1004
1003
1003
1003
1003
1003
1003
1003
1003
1003

Ozone (du)

414
415
413
412
411
408
404
402
400
399
399
399
398
396
393
390
387
384
383
381
382
382
381
381

Thursday 2

Waning Crescent 29%

03:57

No Set

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
12 Bad

Sun - Rise: 05:28, Set: 20:29, Transit: 12:59. Moon - Rise: 03:57, Set: No Set. Civil Dark: 21:08 - 04:49. Nautical Dark: 21:59 - 03:57. Astro Dark: 23:03 - 02:51

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

80
73
68
70
72
74
77
81
83
83
85
86
82
79
75
83
91
99
98
97
96
97
98
98

Medium Clouds (% Sky Obscured)

73
75
80
80
80
76
61
53
57
52
49
40
49
53
74
87
91
95
96
98
100
100
99
99

High Clouds (% Sky Obscured)

77
73
98
88
64
51
52
52
53
52
61
18
65
50
51
45
37
52
51
54
48
48
42
42

ISS Passover

Visibility (miles)

1
9
9
8
9
8
9
8
7
8
1
1
1
0
0
5
4
9
7
0
3
1
3
8

Fog (%)

17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17

Precipitation Type

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

Precipitation Probability (%)

72
69
70
65
64
53
48
52
47
47
41
42
69
60
60
81
72
45
85
95
95
95
89
93

Precipitation Amount (mm)

0.4
0.3
0.4
0.3
0.3
0.3
0.2
0
0
0
0
0
0.2
0
0
0.6
0.4
0
0.5
1
1.2
1.4
0.5
0.5

Wind Speed/Direction (mph)

8
7
7
6
5
5
6
6
5
4
4
5
5
6
7
9
9
9
11
11
10
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
14
16
18
17
17
16
14
13
13
12
11
10
9
7
5
6
5
5
6
8
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

95
93
90
92
96
96
98
96
96
98
98
96
100
98
96
96
98
96
96
98
98
98
96
96

Pressure (mb)

1003
1003
1003
1003
1003
1003
1004
1004
1005
1005
1006
1006
1006
1006
1006
1006
1007
1007
1007
1007
1008
1008
1008
1009

Ozone (du)

382
381
380
380
380
379
381
381
379
378
377
375
373
373
372
372
372
372
373
373
373
370
371
371

Friday 3

Waning Crescent 19%

04:10

14:15

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
12 Bad

Sun - Rise: 05:26, Set: 20:31, Transit: 12:59. Moon - Rise: 04:10, Set: 14:15. Civil Dark: 21:10 - 04:46. Nautical Dark: 22:01 - 03:55. Astro Dark: 23:07 - 02:47

Total Clouds (% Sky Obscured)

100
100
100
99
98
97
98
98
98
99
99
85
91
91
85
72
66
64
59
58
58
64
71
73

Low Clouds (% Sky Obscured)

97
99
100
97
94
83
53
25
6
5
9
14
27
37
48
50
55
63
71
67
65
63
60
58

Medium Clouds (% Sky Obscured)

95
91
88
90
92
95
95
97
98
65
59
60
64
64
58
51
44
38
26
14
2
1
1
0

High Clouds (% Sky Obscured)

50
58
66
57
49
45
53
56
62
60
62
12
9
7
4
8
13
19
22
26
30
23
14
7

ISS Passover

Visibility (miles)

8
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17

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 (%)

89
70
56
48
47
44
42
41
42
37
33
29
52
39
19
15
11
4
5
4
1
17
24
29

Precipitation Amount (mm)

0.4
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
13
13
13
13
12
11
11
9
9
9
8
7
7
7
6
7
7
8
9
10
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
93
93
92
91
91
91
93
96
96
96
95
96
96
95
95
96
95
95
90
87
84
83
82

Pressure (mb)

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

Ozone (du)

371
372
373
374
374
376
379
382
386
388
389
390
387
385
384
382
382
381
380
381
381
381
381
380

Saturday 4

Waning Crescent 10%

04:23

15:44

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
12 Bad

Sun - Rise: 05:24, Set: 20:32, Transit: 12:59. Moon - Rise: 04:23, Set: 15:44. Civil Dark: 21:12 - 04:44. Nautical Dark: 22:03 - 03:52. Astro Dark: 23:11 - 02:43

Total Clouds (% Sky Obscured)

81
89
96
95
94
93
84
80
78
82
86
88
92
95
98
97
96
95
83
73
65
60
56
56

Low Clouds (% Sky Obscured)

60
64
66
63
59
55
54
54
55
63
68
72
78
82
86
88
89
92
79
69
61
47
34
23

Medium Clouds (% Sky Obscured)

23
53
85
65
45
24
16
8
0
3
5
8
17
25
36
26
13
0
0
0
0
5
9
13

High Clouds (% Sky Obscured)

6
6
5
18
34
49
36
29
21
31
39
52
66
77
83
77
70
64
39
17
4
6
8
10

ISS Passover

Visibility (miles)

9
9
8
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17

Precipitation Type

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
None
None
None

Precipitation Probability (%)

43
51
54
52
54
49
33
23
8
5
3
0
0
0
0
1
1
0
1
0
0
5
5
2

Precipitation Amount (mm)

0
0.3
0.3
0.2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
82
82
82
84
87
90
90
93
93
95
95
95
96
95
95
95
95
95
87
81
76
71
67

Pressure (mb)

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

Ozone (du)

380
380
380
380
380
380
380
381
382
382
383
383
384
385
385
386
387
389
390
392
393
394
395
396

Sunday 5

Waning Crescent 4%

04:35

17:12

13 Bad
14 Bad
15 OK
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

Sun - Rise: 05:22, Set: 20:34, Transit: 12:59. Moon - Rise: 04:35, Set: 17:12. Civil Dark: 21:13 - 04:42. Nautical Dark: 22:06 - 03:50. Astro Dark: 23:14 - 02:39

Total Clouds (% Sky Obscured)

53
50
46
47
47
44
52
58
72
76
79
83
90
95
100
100
99
99

Low Clouds (% Sky Obscured)

26
30
34
39
39
39
43
43
40
42
44
46
53
60
67
74
80
86

Medium Clouds (% Sky Obscured)

10
5
0
1
2
4
15
27
38
48
53
58
55
52
49
48
43
42

High Clouds (% Sky Obscured)

7
6
4
3
2
1
22
33
43
39
34
32
56
79
100
92
83
70

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
1
1
3
7
9
9
6
0
2
3
2
3
2
1
5
11
9

Precipitation Amount (mm)

0
0
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
9
9
8
8
8
7
8
8
8
7
7
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
62
60
59
66
73
79
83
84
88
88
88
87
85
85
84
84
84

Pressure (mb)

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

Ozone (du)

397
397
398
399
395
391
387
388
389
389
390
391
392
392
391
391
390
389

Forecast for Great Missenden, Buckinghamshire, United Kingdom (51.70,-0.70)

Generated: 29/04/24 12:40:12. Forecast: 29/04/24 to 05/05/24. Timezone: UTC+1.00