Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 29

Waxing Gibbous 97%

18:19

04:32

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

Sun - Rise: 05:36, Set: 20:23, Transit: 13:00. Moon - Rise: 18:19, Set: 04:32. Civil Dark: 21:01 - 04:58. Nautical Dark: 21:51 - 04:09. Astro Dark: 22:51 - 03:08

Total Clouds (% Sky Obscured)

0
0
21
44
32
0
0
0
0
0
0
0
0
0
0
0
0
9
100
100
100
100
5
4

Low Clouds (% Sky Obscured)

0
0
21
44
32
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
100
100
100
100
5
4

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
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)

14
14
14
16
16
16
16
16
17
19
20
21
21
22
21
21
21
20
20
18
17
16
16
16

Chance of Frost

Temperature (°C)

7
6
6
5
6
6
6
7
8
10
12
14
15
16
16
16
16
15
14
13
12
11
10
9

Feels Like (°C)

3
2
1
1
1
2
2
3
3
5
7
8
9
10
10
10
10
10
8
6
5
4
3
3

Dew Point (°C)

4
4
4
4
4
4
4
4
4
5
6
6
6
6
7
7
7
8
7
6
5
4
4
4

Relative Humidity (%)

79
84
86
88
88
90
88
81
73
69
64
59
54
53
54
55
57
60
61
63
63
62
65
68

Pressure (mb)

1025
1025
1025
1025
1024
1024
1024
1025
1025
1025
1025
1025
1025
1024
1024
1024
1023
1023
1023
1023
1024
1024
1024
1024

Ozone (du)

389
389
388
387
387
388
388
389
390
392
394
395
397
398
398
398
397
392
388
385
384
382
382
380

Thursday 30

Waxing Gibbous 98%

19:33

04:44

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

Sun - Rise: 05:34, Set: 20:25, Transit: 12:59. Moon - Rise: 19:33, Set: 04:44. Civil Dark: 21:03 - 04:56. Nautical Dark: 21:53 - 04:06. Astro Dark: 22:55 - 03:04

Total Clouds (% Sky Obscured)

5
10
5
4
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
3
6
10
7
26

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

5
10
5
4
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
3
6
10
7
26

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
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)

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

Chance of Frost

Temperature (°C)

9
9
9
9
8
8
8
8
10
12
14
16
17
18
19
19
19
18
17
16
14
13
12
12

Feels Like (°C)

3
3
3
3
3
4
3
4
6
8
10
11
13
14
15
15
16
15
14
14
12
10
9
9

Dew Point (°C)

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

Relative Humidity (%)

68
68
70
70
73
75
75
75
71
66
56
49
47
46
47
49
53
56
59
63
71
74
77
80

Pressure (mb)

1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1021
1021
1021
1020
1020
1020
1020
1021
1021
1021
1021

Ozone (du)

379
381
382
383
385
386
386
385
386
388
390
390
389
389
388
388
387
385
384
381
377
376
375
375

Friday 1

Full Moon 99%

20:48

04:57

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

Sun - Rise: 05:32, Set: 20:27, Transit: 12:59. Moon - Rise: 20:48, Set: 04:57. Civil Dark: 21:05 - 04:54. Nautical Dark: 21:55 - 04:03. Astro Dark: 22:58 - 03:01

Total Clouds (% Sky Obscured)

24
74
2
0
3
4
24
43
37
43
43
45
39
63
86
100
99
94
100
98
94
81
77
96

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
22
17
43
9
0
0
33
32
52
50
57
62
68
69
57
45
45

Medium Clouds (% Sky Obscured)

0
0
0
0
1
2
10
11
10
10
10
13
12
7
15
19
23
35
37
40
39
36
28
35

High Clouds (% Sky Obscured)

24
62
2
0
0
0
5
8
2
0
0
3
8
54
9
48
56
75
61
50
42
28
50
78

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
51
67
80
88
67
65
56
59
50

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.6
0.6
0.3
0.3
0
0.2
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
11
10
10
9
9
11
12
14
16
18
19
20
21
22
20
19
18
17
16
15
14
13

Feels Like (°C)

9
8
8
9
9
8
8
10
11
13
15
17
19
20
20
20
20
19
17
16
15
15
14
13

Dew Point (°C)

8
7
7
6
6
6
6
7
7
8
9
10
11
12
14
15
16
16
16
15
15
14
13
13

Relative Humidity (%)

79
73
76
77
77
77
78
77
70
66
62
61
59
60
62
65
76
81
86
90
93
95
96
96

Pressure (mb)

1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1017
1017
1018
1018
1018
1018
1017

Ozone (du)

374
374
374
375
374
373
373
373
373
372
372
372
371
371
372
372
371
369
368
368
369
369
369
369

Saturday 2

Waning Gibbous 100%

22:03

05:14

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
22 Bad
23 Bad

Sun - Rise: 05:30, Set: 20:28, Transit: 12:59. Moon - Rise: 22:03, Set: 05:14. Civil Dark: 21:07 - 04:52. Nautical Dark: 21:58 - 04:01. Astro Dark: 23:02 - 02:57

Total Clouds (% Sky Obscured)

100
100
100
100
99
98
100
100
100
100
100
99
100
99
97
96
86
84
73
77
83
81
81
88

Low Clouds (% Sky Obscured)

51
48
37
30
26
21
14
13
12
16
21
30
42
56
62
67
56
60
46
37
40
43
34
34

Medium Clouds (% Sky Obscured)

64
84
89
96
55
75
72
55
48
48
71
62
78
82
45
84
49
43
33
39
42
38
43
48

High Clouds (% Sky Obscured)

100
100
100
100
99
98
100
100
100
100
74
87
100
85
34
39
14
7
6
27
55
81
81
75

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 (%)

17
15
8
0
0
0
0
0
0
0
0
1
12
17
27
43
24
16
19
6
2
2
13
18

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
98
95
93
93
95
91
90
84
81
82
69
75
79
85
86
82
86
86
90
95
95
96

Pressure (mb)

1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1014
1014
1013
1013
1013
1012
1012
1012
1012
1012

Ozone (du)

368
366
370
377
377
379
380
382
386
384
383
383
386
387
390
389
391
391
390
390
390
389
390
391

Sunday 3

Waning Gibbous 98%

23:13

05:36

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
22 Bad
23 Bad

Sun - Rise: 05:28, Set: 20:30, Transit: 12:59. Moon - Rise: 23:13, Set: 05:36. Civil Dark: 21:09 - 04:50. Nautical Dark: 22:00 - 03:58. Astro Dark: 23:05 - 02:53

Total Clouds (% Sky Obscured)

95
99
100
100
100
100
100
99
98
99
100
100
100
100
100
100
100
100
100
100
100
100
96
93

Low Clouds (% Sky Obscured)

31
47
57
68
74
80
85
88
91
94
92
89
86
88
91
93
90
87
83
86
88
91
90
90

Medium Clouds (% Sky Obscured)

48
58
59
55
60
60
60
60
55
60
60
70
65
55
50
40
32
38
31
16
7
1
1
2

High Clouds (% Sky Obscured)

72
75
82
85
85
85
86
93
76
70
70
70
75
63
51
36
51
63
70
56
52
57
47
37

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

19
48
61
67
87
95
95
95
95
95
95
95
95
95
95
95
95
90
60
50
37
13
13
11

Precipitation Amount (mm)

0
0
0.2
0.3
0.5
0.9
1.6
1.3
1.1
1
1.3
1.4
1.3
2.6
2.1
1.9
1.1
0.6
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
8
9
11
11
11
11
11
11
11
10
10
9
8
6
5
4
5
5
4
4
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
96
95
93
90
88
87
85
80
75
72
76
76
75
72
71
75
80
83
87
93
96
96

Pressure (mb)

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

Ozone (du)

391
390
390
391
391
390
389
388
388
389
390
390
390
389
388
388
387
388
388
389
387
386
384
383

Monday 4

Waning Gibbous 95%

No Rise

06:07

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
22 Bad
23 Bad

Sun - Rise: 05:27, Set: 20:31, Transit: 12:59. Moon - Rise: No Rise, Set: 06:07. Civil Dark: 21:11 - 04:47. Nautical Dark: 22:02 - 03:56. Astro Dark: 23:09 - 02:49

Total Clouds (% Sky Obscured)

89
93
96
100
93
88
83
87
90
94
92
89
84
86
89
92
79
65
51
52
51
50
49
49

Low Clouds (% Sky Obscured)

89
93
96
97
87
82
73
80
84
88
78
69
55
64
72
81
69
57
46
44
43
41
44
46

Medium Clouds (% Sky Obscured)

3
4
5
5
4
2
0
9
20
30
49
69
83
60
43
26
18
9
3
7
11
15
11
7

High Clouds (% Sky Obscured)

27
22
15
13
8
7
4
4
5
5
5
5
5
3
2
0
0
0
0
3
9
22
25
28

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

Precipitation Probability (%)

4
4
2
0
1
1
0
2
3
1
12
17
21
30
36
39
49
51
56
48
37
10
11
10

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
10
6
6
6
5
5
4
6
7
7
8
9
9
11
12
12
12
12
11
12
12
13
12

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
96
98
95
95
95
88
84
79
76
76
74
72
71
70
71
73
74
77
81
85
87

Pressure (mb)

1013
1014
1014
1013
1013
1013
1013
1014
1014
1014
1014
1014
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1013
1013

Ozone (du)

381
380
380
380
380
380
379
379
379
379
379
381
382
383
383
383
384
384
384
384
384
383
382
382

Tuesday 5

Waning Gibbous 90%

00:16

06:49

Sun - Rise: 05:25, Set: 20:33, Transit: 12:59. Moon - Rise: 00:16, Set: 06:49. Civil Dark: 21:12 - 04:45. Nautical Dark: 22:05 - 03:53. Astro Dark: 23:13 - 02:45

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 29/04/26 00:08:42. Forecast: 29/04/26 to 05/05/26. Timezone: UTC+1.00