Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 29

Waxing Gibbous 98%

21:03

03:41

22 Good
23 Good
00 Good
01 Bad
02 OK
03 Bad
04 Good
05 Good
06 OK
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

Sun - Rise: 04:51, Set: 21:09, Transit: 13:00. Moon - Rise: 21:03, Set: 03:41. Civil Dark: 21:55 - 04:05. Nautical Dark: 23:00 - 02:58. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
2
0
49
46
53
6
9
31
100
78
59
77
100
100
100
100
95
100
92
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
6
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
15
18
24
34
31
44
71
44
15
15
7
10
0
12

High Clouds (% Sky Obscured)

0
2
0
27
46
53
6
9
31
100
78
59
77
100
100
100
100
60
77
47
48
100
100
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
0
0
0
0
0
0
1
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)

5
4
3
3
4
4
3
2
2
2
2
2
2
2
2
3
5
6
6
7
8
8
7
6

Chance of Frost

Temperature (°C)

19
17
15
14
12
12
12
11
12
13
16
18
20
21
23
23
24
25
25
24
23
22
21
19

Feels Like (°C)

21
18
17
14
13
10
9
9
10
12
14
16
19
21
23
22
23
23
25
24
23
23
19
17

Dew Point (°C)

15
15
14
12
10
7
6
4
5
6
7
8
10
12
13
13
14
14
14
13
14
16
15
14

Relative Humidity (%)

81
86
90
89
86
72
66
60
64
59
56
54
55
56
55
52
51
50
51
51
55
65
71
73

Pressure (mb)

1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1021
1020
1020
1019
1019
1018
1018
1018
1017
1017
1017

Ozone (du)

336
336
334
332
332
331
331
332
333
331
330
330
329
330
331
331
333
332
332
336
337
336
336
339

Saturday 30

Waxing Gibbous 100%

No Rise

04:09

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 04:50, Set: 21:10, Transit: 13:00. Moon - Rise: No Rise, Set: 04:09. Civil Dark: 21:56 - 04:04. Nautical Dark: 23:02 - 02:56. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

94
61
65
50
77
99
100
100
100
100
100
100
91
73
92
96
94
100
100
90
82
75
77
49

Low Clouds (% Sky Obscured)

0
0
0
0
0
46
55
44
38
58
62
53
63
59
53
65
22
50
83
77
50
44
42
44

Medium Clouds (% Sky Obscured)

54
61
65
50
65
25
21
8
19
82
89
86
65
69
76
94
59
40
41
37
23
28
29
18

High Clouds (% Sky Obscured)

94
61
65
50
14
46
100
100
100
100
97
100
73
28
69
49
61
53
36
0
0
0
0
0

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
3
2
3
0
0
2
13
3
1
14
18
21
29
18
17
4
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)

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

Chance of Frost

Temperature (°C)

18
17
16
15
14
13
13
13
13
14
15
16
18
19
20
21
21
21
20
20
19
19
18
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
75
81
82
87
90
83
76
79
74
79
81
74
71
60
58
60
65
72
69
72
76
80
85

Pressure (mb)

1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1016
1016
1015
1015
1016
1016

Ozone (du)

340
343
350
361
361
353
349
347
347
348
348
349
350
351
351
354
355
355
358
351
344
340
337
338

Sunday 31

Full Moon 99%

22:08

04:47

22 Bad
23 Bad
00 OK
01 OK
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

Sun - Rise: 04:49, Set: 21:11, Transit: 13:00. Moon - Rise: 22:08, Set: 04:47. Civil Dark: 21:57 - 04:03. Nautical Dark: 23:04 - 02:55. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

42
72
33
36
77
90
84
81
80
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

30
28
30
31
52
73
60
56
59
59
64
61
63
93
81
85
74
100
83
81
92
92
92
92

Medium Clouds (% Sky Obscured)

13
25
0
0
16
19
13
16
58
82
94
100
92
49
99
100
23
51
44
100
100
100
100
100

High Clouds (% Sky Obscured)

2
5
17
36
53
40
41
23
34
66
65
84
100
90
100
100
99
99
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
8
8
8
6
0
0

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
Light Rain
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
14
8
8
7
36
68
60
57
66
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0
0
0.4
0.7
0.9
0.9
0.9
0.8
1.1

Wind Speed/Direction (mph)

8
8
7
6
5
5
5
4
5
7
8
8
10
12
13
12
11
12
14
15
14
12
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
95
96
96
98
96
96
96
96
92
90
90
87
82
78
79
76
78
78
79
89
96
98
98

Pressure (mb)

1016
1017
1017
1016
1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1013
1012
1011
1011
1010
1009
1009
1008
1007

Ozone (du)

339
336
335
335
335
336
336
335
334
331
329
329
331
332
334
336
337
339
339
340
341
342
344
347

Monday 1

Waning Gibbous 97%

23:03

05:38

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 04:48, Set: 21:12, Transit: 13:00. Moon - Rise: 23:03, Set: 05:38. Civil Dark: 21:58 - 04:02. Nautical Dark: 23:06 - 02:53. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
99
99
92
83
93
100
78
100
90
99
94
100
98
93
90
80

Low Clouds (% Sky Obscured)

93
93
93
92
91
90
90
90
89
81
82
76
70
60
37
58
49
56
59
66
63
43
35
33

Medium Clouds (% Sky Obscured)

100
100
100
45
45
51
90
84
55
48
47
41
32
30
28
25
24
48
36
55
54
50
45
32

High Clouds (% Sky Obscured)

100
100
100
95
100
100
93
86
80
87
88
82
70
75
65
57
76
95
61
81
67
71
80
80

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

95
95
95
61
62
86
77
75
50
42
58
74
75
62
61
69
77
95
95
95
95
95
61
23

Precipitation Amount (mm)

0.8
1.1
1.3
0.2
0.3
0.8
0.5
0.4
0
0
0.2
0.6
0.5
0.2
0.3
0.3
0.3
0.6
0.9
1.2
2.1
0.9
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
15
15
15
15
15
14
14
14
14
15
15
15
16
17
18
17
18
18
18
17
16
15
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
100
100
98
100
98
98
95
87
79
70
68
69
65
78
77
73
68
69
82
89
93

Pressure (mb)

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

Ozone (du)

353
356
357
368
368
369
370
373
372
378
382
385
387
389
389
389
388
388
388
388
389
389
387
380

Tuesday 2

Waning Gibbous 93%

23:46

06:41

22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 OK
06 OK
07 OK
08 OK
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

Sun - Rise: 04:48, Set: 21:13, Transit: 13:01. Moon - Rise: 23:46, Set: 06:41. Civil Dark: N/A - 04:01. Nautical Dark: 23:08 - 02:52. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

78
75
78
74
71
65
49
34
18
35
47
69
78
89
99
100
100
100
99
98
97
98
99
100

Low Clouds (% Sky Obscured)

36
42
46
52
58
58
43
30
18
33
47
66
58
49
40
55
70
85
83
80
78
70
62
54

Medium Clouds (% Sky Obscured)

35
39
38
33
20
7
5
2
0
0
0
23
53
57
52
51
52
48
40
45
37
28
24
25

High Clouds (% Sky Obscured)

58
29
4
2
1
0
1
3
3
3
2
30
52
75
97
93
90
84
70
53
34
36
41
55

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

25
20
0
0
0
0
0
0
0
0
0
3
30
29
52
55
49
44
46
46
48
43
30
9

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
96
98
98
98
98
98
98
95
87
75
66
82
89
96
93
87
85
83
85
85
83
83

Pressure (mb)

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

Ozone (du)

375
365
364
361
356
354
352
350
349
347
347
346
347
347
349
351
363
376
389
390
390
391
391
392

Wednesday 3

Waning Gibbous 88%

00:17

07:52

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 04:47, Set: 21:14, Transit: 13:01. Moon - Rise: 00:17, Set: 07:52. Civil Dark: 22:00 - 04:01. Nautical Dark: 23:09 - 02:50. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

94
89
83
84
84
84
82
80
80
75
71
67
74
85
98
89
80
74
78
83
89
91
95
99

Low Clouds (% Sky Obscured)

60
67
73
76
80
80
75
73
67
69
68
67
63
58
54
52
51
49
47
44
41
29
17
4

Medium Clouds (% Sky Obscured)

20
16
11
8
7
2
5
9
12
12
8
3
20
36
61
60
49
37
47
63
64
69
74
86

High Clouds (% Sky Obscured)

37
19
1
9
14
20
13
9
4
3
2
1
2
2
3
7
12
16
43
72
89
89
86
85

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 (%)

12
14
13
12
10
3
5
4
3
4
6
9
14
16
13
11
9
5
19
19
12
16
15
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)

15
15
15
15
14
15
15
14
14
14
15
16
18
18
18
19
18
18
17
16
15
14
13
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
84
87
89
86
83
80
81
83
83
75
68
62
57
54
50
48
47
45
49
52
56
59
64

Pressure (mb)

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

Ozone (du)

393
390
388
385
384
383
382
383
385
386
385
383
381
380
378
377
375
373
372
369
365
362
360
358

Thursday 4

Waning Gibbous 81%

00:40

09:06

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
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 04:46, Set: 21:15, Transit: 13:01. Moon - Rise: 00:40, Set: 09:06. Civil Dark: 22:01 - 04:00. Nautical Dark: 23:11 - 02:49. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
93
86
80
77
75
73
77
81
85
88
91
93
95
97
99
94
92
90

Low Clouds (% Sky Obscured)

17
30
45
55
63
70
67
69
70
67
67
65
68
66
62
67
76
85
76
67
58

Medium Clouds (% Sky Obscured)

87
91
97
93
86
80
77
75
73
77
81
85
88
91
93
89
84
80
72
64
53

High Clouds (% Sky Obscured)

79
76
79
69
58
50
40
40
50
49
56
62
49
34
16
34
57
85
85
85
80

ISS Passover

Visibility (miles)

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

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 (%)

14
14
15
15
17
20
34
42
45
40
37
37
36
36
37
31
26
21
30
28
24

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)

10
9
9
9
9
9
10
10
11
11
12
14
15
15
16
16
17
18
20
20
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
72
77
83
83
82
82
87
91
95
95
93
92
90
89
87
82
79
75
74
74

Pressure (mb)

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

Ozone (du)

356
356
355
354
352
351
349
347
345
343
341
339
337
334
331
328
328
328
328
328
328

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

Generated: 29/05/26 22:53:49. Forecast: 29/05/26 to 04/06/26. Timezone: UTC+1.00