Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 13

Waning Crescent 9%

03:41

18:03

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
18 Bad

Sun - Rise: 05:10, Set: 20:46, Transit: 12:59. Moon - Rise: 03:41, Set: 18:03. Civil Dark: 21:27 - 04:28. Nautical Dark: 22:23 - 03:32. Astro Dark: 23:47 - 02:05

Total Clouds (% Sky Obscured)

82
84
76
68
79
85
85
81
86
89
95
92
78
70
65
72
58
79
21
54
85
99
100
93

Low Clouds (% Sky Obscured)

72
83
69
68
79
84
82
73
80
82
94
91
69
70
65
58
45
21
21
23
43
41
54
56

Medium Clouds (% Sky Obscured)

33
2
27
11
53
70
57
20
20
64
55
26
16
43
65
72
58
79
21
54
84
84
99
91

High 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
3

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
5
5
6
4
4
6
8
6

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

Precipitation Probability (%)

86
95
95
1
0
0
3
5
2
1
9
13
4
5
28
44
56
58
68
76
81
80
78
72

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
85
90
90
91
93
94
96
96
98
98
96
93
87
78
72
68
67
71
67
66
67
69
78

Pressure (mb)

1001
1001
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1001
1001
1001
1001
1001
1001

Ozone (du)

435
434
433
434
436
438
439
440
439
439
438
434
433
433
433
433
432
432
431
430
430
430
431
431

Thursday 14

Waning Crescent 3%

03:57

No Set

19 Bad
20 Bad
21 OK
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: 05:09, Set: 20:47, Transit: 12:59. Moon - Rise: 03:57, Set: No Set. Civil Dark: 21:29 - 04:27. Nautical Dark: 22:26 - 03:29. Astro Dark: 23:52 - 02:00

Total Clouds (% Sky Obscured)

44
5
36
51
59
87
98
100
99
98
97
95
96
96
98
96
100
100
90
44
41
29
35
42

Low Clouds (% Sky Obscured)

39
0
33
48
42
38
73
53
70
51
43
43
43
54
70
50
43
60
64
39
41
29
5
5

Medium Clouds (% Sky Obscured)

44
5
36
51
45
87
87
99
96
97
96
94
95
94
96
95
85
87
74
44
41
29
35
42

High Clouds (% Sky Obscured)

4
5
3
45
59
69
72
58
92
46
69
57
60
60
50
50
40
27
23
8
4
2
3
0

ISS Passover

Visibility (miles)

4
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
8
5

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

Precipitation Probability (%)

67
34
1
0
0
1
2
0
0
0
0
1
4
4
20
26
35
33
33
43
53
53
60
63

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
88
91
93
93
94
94
94
94
93
94
94
93
90
90
90
80
67
60
54
57
64
66
75

Pressure (mb)

1002
1002
1003
1004
1005
1005
1005
1005
1006
1006
1006
1006
1007
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

433
433
433
430
427
423
422
422
420
420
420
420
420
420
418
415
415
413
412
413
414
413
413
416

Friday 15

Waning Crescent 0%

04:18

19:35

19 Bad
20 OK
21 OK
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
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: 05:07, Set: 20:49, Transit: 12:59. Moon - Rise: 04:18, Set: 19:35. Civil Dark: 21:31 - 04:25. Nautical Dark: 22:28 - 03:27. Astro Dark: 23:57 - 01:54

Total Clouds (% Sky Obscured)

57
35
13
10
2
1
2
4
2
2
40
58
67
76
71
70
72
94
98
99
93
100
100
100

Low Clouds (% Sky Obscured)

27
28
4
0
0
0
0
0
0
0
0
37
64
51
53
70
72
69
80
86
61
89
87
84

Medium Clouds (% Sky Obscured)

57
28
0
0
0
0
0
1
0
0
9
12
14
18
16
20
30
34
37
68
73
67
40
77

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
25
57
86
70
38
10

ISS Passover

Visibility (miles)

6
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
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

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

Precipitation Probability (%)

49
7
15
0
1
0
0
0
0
0
0
0
1
1
5
9
25
26
18
27
42
48
46
50

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
81
82
84
83
86
86
89
89
91
91
91
89
86
78
69
56
52
51
53
54
56
68
76

Pressure (mb)

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

Ozone (du)

418
421
428
434
437
437
437
437
434
424
414
409
406
405
404
402
401
400
400
399
398
397
396
396

Saturday 16

New Moon 1%

04:48

21:10

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
18 Bad

Sun - Rise: 05:06, Set: 20:50, Transit: 12:59. Moon - Rise: 04:48, Set: 21:10. Civil Dark: 21:32 - 04:23. Nautical Dark: 22:31 - 03:25. Astro Dark: 00:03 - 01:48

Total Clouds (% Sky Obscured)

100
100
97
96
98
97
95
93
91
93
96
99
99
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

84
84
50
66
90
95
87
78
72
72
75
77
71
63
54
57
53
67
74
59
73
64
59
55

Medium Clouds (% Sky Obscured)

77
68
91
85
90
93
90
89
87
90
91
94
96
98
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

14
19
27
17
8
0
2
3
6
53
72
94
97
98
100
100
100
100
99
97
95
97
98
80

ISS Passover

Visibility (miles)

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

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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

45
38
32
32
26
26
27
29
39
37
41
25
23
33
44
43
57
66
72
75
82
70
66
72

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
84
90
91
91
91
91
95
95
96
98
96
98
95
87
81
84
79
75
75
75
75
73
75

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1009
1008
1008
1008
1009
1009
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009

Ozone (du)

397
397
397
401
402
403
408
408
401
400
400
400
404
407
409
413
418
419
420
423
426
429
432
436

Sunday 17

Waxing Crescent 5%

05:34

22:41

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
18 Bad

Sun - Rise: 05:04, Set: 20:52, Transit: 12:59. Moon - Rise: 05:34, Set: 22:41. Civil Dark: 21:34 - 04:22. Nautical Dark: 22:33 - 03:22. Astro Dark: 00:10 - 01:41

Total Clouds (% Sky Obscured)

100
95
92
95
90
83
84
94
100
100
100
100
98
95
93
96
98
100
98
96
94
92
90
88

Low Clouds (% Sky Obscured)

40
32
24
33
42
50
57
67
75
75
73
71
0
0
0
22
44
65
58
51
43
40
36
32

Medium Clouds (% Sky Obscured)

100
84
74
88
74
43
49
79
98
99
99
80
34
52
64
53
41
30
32
38
46
52
55
57

High Clouds (% Sky Obscured)

53
28
0
1
1
0
27
51
95
76
53
7
69
67
66
61
51
39
35
31
26
35
40
45

ISS Passover

Visibility (miles)

7
9
9
9
9
9
9
9
9
9
1
8
9
9
8
7
6
5
4
5
6
6
7
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

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

Precipitation Probability (%)

54
37
30
20
11
2
5
8
19
77
89
42
34
26
24
43
56
67
68
68
70
64
59
53

Precipitation Amount (mm)

0.2
0
0
0
0
0
0
0
0
0.5
0.9
0
0
0
0
0
0.2
0.3
0.3
0.3
0.4
0.3
0.3
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
87
91
93
94
94
96
96
96
96
98
98
93
88
83
80
80
81
82
82
82
80
83
86

Pressure (mb)

1009
1009
1009
1010
1009
1009
1009
1008
1008
1008
1007
1007
1007
1013
1013
1014
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

436
434
432
431
431
434
436
436
435
434
432
434
438
433
429
424
417
409
402
397
392
387
387
387

Monday 18

Waxing Crescent 12%

06:39

23:56

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
18 Bad

Sun - Rise: 05:03, Set: 20:53, Transit: 12:59. Moon - Rise: 06:39, Set: 23:56. Civil Dark: 21:36 - 04:20. Nautical Dark: 22:35 - 03:20. Astro Dark: 00:17 - 01:32

Total Clouds (% Sky Obscured)

89
91
92
95
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
92
85

Low Clouds (% Sky Obscured)

23
14
5
10
12
14
21
40
51
48
43
43
47
53
60
61
63
65
76
87
99
97
92
85

Medium Clouds (% Sky Obscured)

63
72
83
83
82
81
86
92
98
96
94
90
72
48
25
28
28
40
35
30
21
18
18
18

High Clouds (% Sky Obscured)

54
63
74
78
82
90
93
92
96
93
86
77
74
68
70
62
50
42
40
37
31
22
14
7

ISS Passover

Visibility (miles)

8
8
9
9
9
9
9
6
4
1
1
0
0
2
4
6
7
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
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 (%)

48
41
30
25
19
11
22
34
46
51
48
44
37
32
28
32
36
44
46
44
39
35
32
34

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
92
93
95
96
96
96
98
98
98
98
98
98
95
90
86
84
83
80
78
75
73
75
79

Pressure (mb)

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

Ozone (du)

388
390
392
394
392
391
390
390
391
391
392
392
392
393
393
394
391
388
385
386
387
387
384
381

Tuesday 19

Waxing Crescent 21%

08:01

00:49

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: 05:02, Set: 20:55, Transit: 12:59. Moon - Rise: 08:01, Set: 00:49. Civil Dark: 21:38 - 04:19. Nautical Dark: 22:38 - 03:18. Astro Dark: 00:25 - 01:21

Total Clouds (% Sky Obscured)

85
86
85
87
90
92
80
73
77
89
95
100
100
99
99
95
91
89

Low Clouds (% Sky Obscured)

83
71
67
72
77
82
73
64
61
69
77
85
87
88
87
77
69
64

Medium Clouds (% Sky Obscured)

15
15
14
20
25
29
33
36
41
47
46
60
59
62
67
51
36
20

High Clouds (% Sky Obscured)

14
18
21
24
26
14
10
15
10
37
68
100
98
96
94
69
45
63

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

30
23
6
10
9
3
6
6
1
4
3
0
0
0
0
0
1
1

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
11
11
10
10
10
10
10
10
9
9
10
10
10
10
10
11

Relative Humidity (%)

83
87
92
96
93
92
90
88
88
88
87
86
86
83
82
78
73
68

Pressure (mb)

1014
1015
1015
1016
1016
1016
1017
1017
1017
1018
1018
1018
1019
1019
1020
1020
1020
1020

Ozone (du)

377
376
376
375
374
373
372
371
369
368
364
361
357
354
351
347
347
346

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

Generated: 13/05/26 19:38:38. Forecast: 13/05/26 to 19/05/26. Timezone: UTC+1.00