Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waning Gibbous 96%

22:36

06:19

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
13 Bad

Sun - Rise: 05:41, Set: 20:17, Transit: 13:00. Moon - Rise: 22:36, Set: 06:19. Civil Dark: 20:55 - 05:03. Nautical Dark: 21:43 - 04:15. Astro Dark: 22:40 - 03:17

Total Clouds (% Sky Obscured)

83
87
90
100
100
93
96
96
94
99
94
100
100
97
94
96
94
92
91
92
91
95
97
90

Low Clouds (% Sky Obscured)

82
89
56
90
84
83
53
53
79
89
85
79
67
32
17
31
40
32
19
24
34
51
45
49

Medium Clouds (% Sky Obscured)

98
92
88
66
55
46
43
45
40
48
38
77
67
88
82
86
87
81
82
83
82
90
93
68

High Clouds (% Sky Obscured)

62
70
59
55
46
34
33
55
57
60
60
100
99
61
53
72
44
48
48
65
60
2
13
32

ISS Passover

Visibility (miles)

9
4
9
9
6
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

Very Light Rain
Very Light Rain
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 (%)

47
60
60
63
58
41
16
11
17
13
8
1
1
2
2
0
0
0
0
0
1
1
2
3

Precipitation Amount (mm)

0.3
0.2
0.4
0.3
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)

14
11
11
6
5
4
5
5
5
5
4
4
4
4
4
4
5
5
6
7
7
7
6
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
8
8
7
6
6
5
4
4
4
3
3
2
1
0
0
1
1
1
2
3
5
6
6

Dew Point (°C)

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

Relative Humidity (%)

90
84
93
78
81
87
91
96
94
93
93
91
91
94
96
96
96
94
86
78
72
66
62
58

Pressure (mb)

1003
1002
1002
1002
1001
1001
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1003
1004
1004
1004
1004
1004
1004

Ozone (du)

415
414
415
414
415
418
420
421
423
424
425
425
426
426
428
428
429
429
430
432
437
438
437
438

Friday 26

Waning Gibbous 91%

23:54

06:49

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
13 Bad

Sun - Rise: 05:39, Set: 20:19, Transit: 13:00. Moon - Rise: 23:54, Set: 06:49. Civil Dark: 20:57 - 05:01. Nautical Dark: 21:45 - 04:12. Astro Dark: 22:43 - 03:13

Total Clouds (% Sky Obscured)

98
96
53
57
83
79
83
97
94
100
100
100
100
100
99
100
93
77
92
94
100
100
100
100

Low Clouds (% Sky Obscured)

52
54
28
5
15
23
30
30
51
39
45
45
45
52
58
66
64
59
51
57
76
92
96
100

Medium Clouds (% Sky Obscured)

60
77
55
66
85
82
83
96
87
83
91
99
100
99
85
86
84
70
82
34
57
63
70
79

High Clouds (% Sky Obscured)

45
2
0
2
3
4
9
23
9
39
100
100
100
68
96
100
80
73
66
42
91
100
91
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
2
3
6
8
9
9
9
9
4
0
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

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

Precipitation Probability (%)

2
13
1
1
5
5
7
17
16
2
6
32
80
95
70
49
38
25
11
5
4
4
6
12

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.9
1.7
0.6
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
5
6
6
4
4
5
6
5
5
5
5
6
6
6
6
6
9
9
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
7
7
7
6
6
5
3
2
2
2
1
1
1
1
0
-1
-1
1
2
4
5
6
6

Dew Point (°C)

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

Relative Humidity (%)

56
56
58
62
71
73
77
81
83
85
86
86
88
93
96
94
96
96
98
96
96
96
96
95

Pressure (mb)

1004
1003
1003
1003
1003
1003
1003
1004
1004
1004
1004
1004
1004
1003
1003
1003
1003
1004
1004
1004
1004
1004
1004
1004

Ozone (du)

438
439
441
441
441
440
439
438
437
435
432
431
432
432
433
434
435
436
435
434
432
434
435
435

Saturday 27

Waning Gibbous 83%

01:06

07:33

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
13 Bad

Sun - Rise: 05:37, Set: 20:21, Transit: 13:00. Moon - Rise: 01:06, Set: 07:33. Civil Dark: 20:59 - 04:59. Nautical Dark: 21:47 - 04:10. Astro Dark: 22:46 - 03:10

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
93
79
100
100
100
100
100
100
98
100
100
100
95
86
77
72
77

Low Clouds (% Sky Obscured)

87
90
92
93
92
81
80
74
68
57
60
61
76
76
77
79
77
78
80
77
74
70
68
56

Medium Clouds (% Sky Obscured)

95
93
100
100
100
100
97
76
65
82
99
100
100
100
59
89
66
88
75
50
31
15
30
55

High Clouds (% Sky Obscured)

100
100
100
100
74
69
57
75
64
100
100
100
100
100
77
68
71
70
100
72
45
42
70
32

ISS Passover

Visibility (miles)

9
9
9
7
4
3
4
6
2
0
0
0
0
0
0
0
0
9
9
9
9
9
8
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

24
27
40
76
94
95
82
44
38
46
53
87
48
31
27
24
21
18
11
15
10
23
28
28

Precipitation Amount (mm)

0
0
0
0.4
0.7
0.9
0.7
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
6
5
5
4
3
3
3
1
1
1
0
-0
1
1
2
1
2
2
2
3
5
7

Dew Point (°C)

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

Relative Humidity (%)

95
93
95
95
96
96
96
96
98
98
98
98
98
98
98
98
98
93
94
93
81
79
84
87

Pressure (mb)

1004
1004
1004
1003
1003
1003
1003
1003
1003
1003
1003
1003
1002
1002
1002
1002
1002
1003
1003
1004
1004
1005
1005
1006

Ozone (du)

434
433
430
427
428
427
426
426
428
431
434
435
433
436
439
439
441
442
446
450
451
451
447
447

Sunday 28

Waning Gibbous 74%

02:05

08:35

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 OK
04 OK
05 OK
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 05:35, Set: 20:22, Transit: 13:00. Moon - Rise: 02:05, Set: 08:35. Civil Dark: 21:00 - 04:57. Nautical Dark: 21:49 - 04:07. Astro Dark: 22:50 - 03:06

Total Clouds (% Sky Obscured)

84
91
89
90
88
80
74
65
67
70
72
67
45
17
25
32
51
65
57
65
58
54
65
60

Low Clouds (% Sky Obscured)

59
60
63
67
71
64
58
46
36
35
30
36
30
19
27
32
41
40
39
38
42
44
54
53

Medium Clouds (% Sky Obscured)

43
42
41
51
36
24
14
4
2
4
1
1
0
0
0
0
0
11
21
36
42
43
41
29

High Clouds (% Sky Obscured)

0
1
0
54
9
0
8
2
9
13
15
9
4
0
3
5
17
24
12
14
2
0
0
0

ISS Passover

Visibility (miles)

8
9
9
5
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 (%)

29
27
33
27
24
17
11
1
1
3
0
0
0
0
0
0
0
0
0
0
0
5
18
15

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
88
86
90
95
93
95
95
96
94
94
93
91
94
94
93
93
91
87
81
74
66
62
60

Pressure (mb)

1006
1006
1006
1007
1008
1009
1010
1012
1013
1013
1014
1014
1014
1015
1015
1016
1016
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

446
441
435
430
428
427
424
426
431
433
436
438
441
441
436
438
439
441
441
440
442
445
443
440

Monday 29

Waning Gibbous 64%

02:48

09:52

14 Bad
15 OK
16 Bad
17 OK
18 OK
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
02 OK
03 Good
04 OK
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 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
34
47
19
32
38
39
25
25
20
20
10
10
14
36
51
62
77
88
100
100
100
100
100

Low Clouds (% Sky Obscured)

58
35
31
20
13
8
4
0
0
0
0
0
0
0
8
16
26
40
51
64
76
87
98
98

Medium Clouds (% Sky Obscured)

15
0
0
0
0
0
0
0
0
0
0
4
8
13
24
37
52
66
81
96
81
72
65
79

High Clouds (% Sky Obscured)

0
0
19
0
20
38
50
55
55
60
60
58
66
74
71
78
85
83
87
90
87
80
70
65

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
Very Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

6
1
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
21
32
41
54
67
77
62

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
61
60
65
71
76
84
91
93
91
91
90
88
85
82
84
87
88
85
85
86
83
83
81

Pressure (mb)

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

Ozone (du)

438
436
434
435
435
431
424
421
420
421
419
420
420
421
422
423
424
425
424
424
423
422
421
421

Tuesday 30

Waning Gibbous 53%

03:19

11:17

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
13 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)

100
100
100
99
99
99
99
99
99
100
100
100
100
100
100
100
100
99
99
97
96
96
95
88

Low Clouds (% Sky Obscured)

96
96
85
77
68
68
68
70
74
77
79
86
90
94
96
98
100
98
95
93
91
89
85
75

Medium Clouds (% Sky Obscured)

90
95
90
84
80
82
86
90
93
97
100
89
78
69
68
64
56
59
52
51
54
54
57
52

High Clouds (% Sky Obscured)

70
65
75
83
94
83
71
59
77
88
100
99
99
97
95
92
89
76
54
36
36
35
27
25

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
6
3
0
0
0
0
0
0
0
0
0
0
3
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

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

Precipitation Probability (%)

53
51
47
41
29
31
32
29
53
68
78
73
66
57
53
47
37
32
25
12
20
22
18
22

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
83
83
86
90
92
95
96
98
98
98
98
98
98
98
98
98
100
98
96
96
93
89
86

Pressure (mb)

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

Ozone (du)

420
420
419
419
418
418
416
415
414
413
411
410
408
407
406
405
404
403
402
401
400
399
398
396

Wednesday 1

Third Quarter 41%

03:40

12:46

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

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)

81
73
64
54
48
58
66
72
80
88
97
98
99
100
100
100
100

Low Clouds (% Sky Obscured)

66
55
38
25
12
26
38
43
48
53
58
67
77
86
91
95
99

Medium Clouds (% Sky Obscured)

44
38
26
14
1
3
5
7
5
4
2
2
2
2
5
11
16

High Clouds (% Sky Obscured)

32
44
44
51
58
48
44
33
52
72
90
92
94
96
93
89
83

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

23
20
21
22
22
16
11
2
3
2
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
18
18
17
17
15
13
11
11
10
9
9
9
9
9
9

Feels Like (°C)

17
17
17
17
17
16
14
13
12
12
11
10
8
8
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

85
82
82
83
85
87
90
93
96
96
96
98
98
96
96
95
95

Pressure (mb)

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

Ozone (du)

394
392
390
389
388
388
387
385
384
383
382
381
379
378
376
375
374

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

Generated: 25/04/24 14:28:56. Forecast: 25/04/24 to 01/05/24. Timezone: UTC+1.00