Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 12

Waning Crescent 20%

04:47

14:57

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

Sun - Rise: 06:09, Set: 19:55, Transit: 13:03. Moon - Rise: 04:47, Set: 14:57. Civil Dark: 20:30 - 05:34. Nautical Dark: 21:13 - 04:50. Astro Dark: 22:02 - 04:01

Total Clouds (% Sky Obscured)

68
54
55
29
9
2
3
86
86
17
26
5
0
0
0
27
35
59
64
73
76
60
43
89

Low Clouds (% Sky Obscured)

49
52
48
27
5
0
0
7
14
6
0
0
0
0
0
27
35
59
39
19
8
20
7
80

Medium Clouds (% Sky Obscured)

0
10
6
0
3
2
2
20
27
17
26
5
0
0
0
2
4
4
17
42
76
60
43
71

High Clouds (% Sky Obscured)

0
0
2
29
9
2
3
46
40
17
26
4
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
2
8
24
79
0
0
0
0
0
0
0
0
0

Precipitation Type

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
None
Very Light Rain

Precipitation Probability (%)

95
95
95
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
8
31
40
45
45
52

Precipitation Amount (mm)

0.6
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3

Wind Speed/Direction (mph)

12
9
7
6
5
4
4
3
3
3
2
2
1
1
1
2
4
5
5
5
5
5
6
7

Chance of Frost

Temperature (°C)

9
8
7
7
6
6
5
5
4
4
4
3
3
3
5
7
9
10
11
12
13
13
13
13

Feels Like (°C)

7
6
6
6
4
4
4
3
2
2
1
1
1
3
5
7
9
9
10
11
11
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

80
81
91
93
94
94
94
93
93
93
93
93
93
93
86
81
74
66
58
55
54
57
58
65

Pressure (mb)

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

Ozone (du)

442
447
454
460
462
463
465
466
469
473
477
479
482
485
485
482
478
474
471
472
473
471
468
463

Monday 13

Waning Crescent 12%

05:00

16:18

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

Sun - Rise: 06:07, Set: 19:56, Transit: 13:02. Moon - Rise: 05:00, Set: 16:18. Civil Dark: 20:32 - 05:31. Nautical Dark: 21:16 - 04:47. Astro Dark: 22:05 - 03:58

Total Clouds (% Sky Obscured)

52
9
3
1
0
3
0
0
0
0
7
24
54
52
55
86
89
96
100
99
95
94
98
98

Low Clouds (% Sky Obscured)

29
0
0
0
0
3
0
0
0
0
7
24
41
38
34
23
24
37
57
52
42
51
41
62

Medium Clouds (% Sky Obscured)

52
9
3
1
0
1
0
0
0
0
0
0
16
14
16
15
35
43
35
38
40
80
90
93

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
4
5
50
51
62
65
76
29
63
85
80

ISS Passover

Visibility (miles)

5
6
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 (%)

46
23
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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)

7
6
5
4
3
3
4
3
3
3
3
3
4
4
4
7
9
10
11
13
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
9
7
7
7
6
5
5
4
4
3
3
2
3
5
7
8
9
10
10
10
11
10
9

Dew Point (°C)

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

Relative Humidity (%)

80
83
85
88
90
91
91
93
93
93
93
94
93
93
90
87
81
71
64
67
73
75
76
80

Pressure (mb)

1013
1014
1014
1015
1016
1016
1016
1016
1016
1017
1017
1017
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

454
444
431
426
422
421
422
421
413
405
398
394
392
389
386
384
381
380
376
372
367
364
364
363

Tuesday 14

Waning Crescent 6%

05:11

17:41

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
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:05, Set: 19:58, Transit: 13:02. Moon - Rise: 05:11, Set: 17:41. Civil Dark: 20:34 - 05:29. Nautical Dark: 21:18 - 04:45. Astro Dark: 22:07 - 03:55

Total Clouds (% Sky Obscured)

99
100
100
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
86
72
99

Low Clouds (% Sky Obscured)

96
100
100
100
84
82
83
75
55
70
57
72
66
81
83
84
86
100
100
95
74
70
52
50

Medium Clouds (% Sky Obscured)

70
77
76
26
14
78
93
71
60
82
87
18
23
29
57
75
72
35
35
37
35
32
30
96

High Clouds (% Sky Obscured)

65
53
56
66
89
99
100
100
100
100
89
88
100
100
100
92
97
85
80
87
92
85
60
32

ISS Passover

Visibility (miles)

9
9
9
9
9
9
5
2
0
0
0
0
0
0
0
1
9
9
9
9
9
8
9
7

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
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
2
1
5
5
23
33
37
35
22
7
4
14
27
51
49
33
29
37
42
47
47

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
11
11
11
11
11
11
10
11
11

Relative Humidity (%)

86
89
90
91
95
96
98
98
100
98
100
98
98
98
98
96
95
95
92
89
89
76
75
79

Pressure (mb)

1019
1019
1019
1020
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1016
1016
1016

Ozone (du)

362
360
358
357
355
354
353
352
351
349
347
347
345
344
341
340
340
340
343
346
353
357
359
362

Wednesday 15

Waning Crescent 2%

05:24

No Set

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
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:03, Set: 20:00, Transit: 13:02. Moon - Rise: 05:24, Set: No Set. Civil Dark: 20:35 - 05:27. Nautical Dark: 21:20 - 04:42. Astro Dark: 22:10 - 03:51

Total Clouds (% Sky Obscured)

76
64
59
48
59
54
54
58
56
61
74
91
100
94
85
64
66
58
60
69
89
100
100
100

Low Clouds (% Sky Obscured)

51
49
49
45
58
54
54
58
56
61
71
74
74
74
67
49
43
34
27
30
33
40
37
28

Medium Clouds (% Sky Obscured)

38
29
16
0
0
0
0
0
0
0
10
19
33
30
31
29
26
23
14
19
24
23
60
58

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
1
24
48
63
37
18
0
5
8
26
33
78
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
5
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 (%)

40
20
10
1
3
1
0
0
0
0
0
0
0
0
0
0
1
0
1
0
0
7
2
9

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
86
93
95
96
96
98
96
96
96
96
98
95
84
81
80
73
66
62
59
58
58
58
64

Pressure (mb)

1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019

Ozone (du)

372
383
385
384
375
372
372
372
374
376
379
381
382
387
390
389
385
384
385
382
379
377
376
374

Thursday 16

Waning Crescent 0%

05:38

19:07

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
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:00, Set: 20:01, Transit: 13:02. Moon - Rise: 05:38, Set: 19:07. Civil Dark: 20:37 - 05:24. Nautical Dark: 21:22 - 04:39. Astro Dark: 22:13 - 03:48

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
98
97
95
94
93
92
91
91
90
93
96
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

22
16
14
5
6
11
16
22
29
35
52
66
81
44
42
40
50
61
71
63
54
45
30
15

Medium Clouds (% Sky Obscured)

69
76
88
100
96
92
89
71
49
80
47
45
62
81
87
90
92
94
95
93
91
86
76
66

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
76
56
38
35
33
25
42
46
50
64
81
97
95
93
91
84
80

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
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
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
9
0
0
0
0
0
0
0
0
3
3
1
0
0
0
2
8
15
23
28
29
25
19

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
81
84
90
93
95
95
96
95
95
94
93
94
91
88
84
81
76
72
70
66
63
61
65

Pressure (mb)

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

Ozone (du)

372
370
367
366
365
365
364
363
361
359
357
354
354
353
355
356
357
359
361
362
362
362
362
363

Friday 17

New Moon 2%

05:55

20:38

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
15 Bad
16 Bad
17 Bad

Sun - Rise: 05:58, Set: 20:03, Transit: 13:02. Moon - Rise: 05:55, Set: 20:38. Civil Dark: 20:39 - 05:22. Nautical Dark: 21:24 - 04:37. Astro Dark: 22:15 - 03:45

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
98
98
100
99
97

Low Clouds (% Sky Obscured)

1
8
16
23
32
42
52
52
43
41
43
47
46
49
49
50
51
53
54
56
58
60
62
65

Medium Clouds (% Sky Obscured)

58
66
72
76
68
61
56
49
57
60
58
52
42
36
28
25
20
10
15
22
28
29
32
40

High Clouds (% Sky Obscured)

75
82
91
97
99
99
100
100
100
100
98
96
92
83
69
60
66
67
64
71
81
94
78
62

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 (%)

6
5
4
0
0
0
0
0
0
0
2
2
0
3
4
5
8
12
16
23
30
37
36
36

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
75
80
85
91
90
90
88
90
90
91
91
91
91
87
84
80
74
68
62
61
60
60
65

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016

Ozone (du)

365
367
368
370
372
375
379
383
386
389
393
395
397
400
396
392
389
386
383
380
376
372
369
368

Saturday 18

Waxing Crescent 7%

06:20

22:12

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: 05:56, Set: 20:05, Transit: 13:01. Moon - Rise: 06:20, Set: 22:12. Civil Dark: 20:41 - 05:20. Nautical Dark: 21:26 - 04:34. Astro Dark: 22:18 - 03:42

Total Clouds (% Sky Obscured)

96
95
93
91
94
97
100
97
92
83
80
79
78
79
80
79
80
82
84

Low Clouds (% Sky Obscured)

67
70
70
76
76
76
76
76
75
66
54
42
30
22
18
17
18
22
23

Medium Clouds (% Sky Obscured)

48
45
44
43
44
46
54
58
59
59
47
39
24
26
27
29
27
26
25

High Clouds (% Sky Obscured)

56
41
32
27
28
29
15
9
11
6
3
3
3
7
8
8
9
14
60

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

31
23
21
27
36
37
30
33
30
30
29
25
20
18
14
7
12
9
6

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
11
10
9
9
8
8
8
8
7
7
7
8
9
11
13
13
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
77
80
83
87
85
84
84
84
84
82
84
84
84
80
76
72
68
63

Pressure (mb)

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

Ozone (du)

367
366
364
362
360
359
358
356
355
354
353
354
354
355
355
355
356
355
354

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

Generated: 12/04/26 18:28:11. Forecast: 12/04/26 to 18/04/26. Timezone: UTC+1.00