Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

Waxing Gibbous 85%

15:17

05:03

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
00 OK
01 Good
02 Good
03 Good
04 Good
05 OK
06 OK

Sun - Rise: 05:53, Set: 20:07, Transit: 13:01. Moon - Rise: 15:17, Set: 05:03. Civil Dark: 20:44 - 05:17. Nautical Dark: 21:29 - 04:30. Astro Dark: 22:22 - 03:37

Total Clouds (% Sky Obscured)

100
99
100
98
65
70
90
34
71
79
45
58
97
78
48
73
67
24
16
3
0
8
14
20

Low Clouds (% Sky Obscured)

100
100
94
87
59
63
73
25
59
67
33
53
98
71
52
57
60
35
22
1
0
0
10
19

Medium Clouds (% Sky Obscured)

30
33
33
20
35
30
21
22
23
17
21
18
35
35
27
30
4
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
3
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
8
7
8

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
1
30
35
41
45
32
38
35
32
25
8
12
12
4
1
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)

8
9
14
16
18
16
16
16
17
15
14
13
9
10
9
6
5
5
6
7
6
7
6
6

Chance of Frost

Temperature (°C)

10
10
11
11
11
10
10
12
12
12
12
11
9
8
7
6
6
5
5
4
3
2
2
1

Feels Like (°C)

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

Dew Point (°C)

8
9
9
10
8
6
6
8
7
7
8
7
6
3
4
4
3
3
2
2
1
1
1
0

Relative Humidity (%)

88
88
91
93
83
74
73
76
67
72
77
80
77
70
78
85
83
85
85
88
88
91
93
93

Pressure (mb)

1016
1016
1016
1017
1017
1017
1017
1018
1018
1018
1019
1020
1021
1021
1023
1024
1025
1025
1026
1026
1027
1027
1028
1028

Ozone (du)

371
371
371
373
375
377
377
379
381
378
375
372
369
369
369
369
368
368
370
371
370
368
368
369

Saturday 20

Waxing Gibbous 92%

16:27

05:12

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

Sun - Rise: 05:51, Set: 20:09, Transit: 13:01. Moon - Rise: 16:27, Set: 05:12. Civil Dark: 20:45 - 05:14. Nautical Dark: 21:32 - 04:28. Astro Dark: 22:25 - 03:34

Total Clouds (% Sky Obscured)

10
12
25
37
72
77
76
81
75
72
63
31
29
2
5
9
9
8
8
8
8
16
25
46

Low Clouds (% Sky Obscured)

1
2
24
45
66
71
66
79
69
66
61
45
34
1
1
2
2
1
2
2
2
7
16
11

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

9
4
7
3
4
3
0
0
0
0
0
0
0
1
3
6
6
4
3
4
2
7
9
48

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 (%)

1
0
0
0
0
0
0
0
0
6
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

0
-0
-0
0
0
0
1
1
2
2
3
3
4
5
4
3
2
1
1
1
1
1
1
0

Relative Humidity (%)

88
77
70
64
59
58
57
55
57
60
63
68
71
82
85
86
86
88
89
91
93
93
94
94

Pressure (mb)

1029
1029
1030
1030
1030
1030
1030
1030
1029
1029
1029
1029
1030
1030
1031
1031
1031
1031
1031
1031
1032
1032
1032
1032

Ozone (du)

369
369
369
369
368
366
365
364
364
365
368
369
370
372
372
371
373
374
380
387
390
390
387
386

Sunday 21

Waxing Gibbous 96%

17:37

05:21

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

Sun - Rise: 05:49, Set: 20:11, Transit: 13:01. Moon - Rise: 17:37, Set: 05:21. Civil Dark: 20:47 - 05:12. Nautical Dark: 21:34 - 04:25. Astro Dark: 22:28 - 03:30

Total Clouds (% Sky Obscured)

28
62
42
47
48
62
72
76
76
77
74
49
29
31
55
13
3
6
3
4
7
15
25
43

Low Clouds (% Sky Obscured)

13
28
35
41
36
56
69
78
78
79
76
49
31
21
9
2
2
2
2
2
2
9
18
27

Medium Clouds (% Sky Obscured)

10
40
2
2
9
2
2
2
3
3
2
0
0
0
31
0
0
0
0
0
0
0
2
18

High Clouds (% Sky Obscured)

2
50
6
5
10
3
2
3
4
1
0
0
0
8
24
8
2
7
3
4
14
11
12
30

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
13
2
4
11
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-0
0
1
1
1
1
1
1
3
5
4
4
4
3
2
2
2
1
1
0
0
-1
-0
-1

Relative Humidity (%)

88
79
75
69
62
59
58
57
64
70
70
73
75
78
80
86
89
89
89
89
89
89
91
91

Pressure (mb)

1032
1032
1032
1032
1032
1032
1032
1031
1031
1031
1031
1031
1031
1032
1033
1033
1033
1033
1033
1033
1033
1033
1033
1032

Ozone (du)

387
389
391
391
392
391
391
391
392
392
392
391
393
395
396
397
398
399
400
399
400
399
398
397

Monday 22

Waxing Gibbous 99%

18:48

05:31

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 05:47, Set: 20:12, Transit: 13:01. Moon - Rise: 18:48, Set: 05:31. Civil Dark: 20:49 - 05:10. Nautical Dark: 21:36 - 04:23. Astro Dark: 22:31 - 03:27

Total Clouds (% Sky Obscured)

59
76
89
92
95
98
98
99
100
100
100
100
100
100
100
100
100
100
98
96
94
96
98
100

Low Clouds (% Sky Obscured)

33
43
51
67
74
85
85
85
85
87
89
91
92
93
94
96
98
100
93
85
78
83
88
89

Medium Clouds (% Sky Obscured)

37
67
80
81
86
92
95
97
100
99
98
97
95
94
93
84
77
63
23
11
0
9
16
30

High Clouds (% Sky Obscured)

38
80
75
75
63
70
80
90
100
99
97
96
96
73
66
43
21
38
22
72
92
85
82
80

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
6
6
9
9
9
6
0
0
0
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
6
7
5
26
46
49
53
61
64
61
61
57
49
47
46
37
32
22
28
29
28

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

1
3
5
6
7
8
8
8
7
7
6
6
6
6
7
7
7
7
8
7
7
7
7
6

Feels Like (°C)

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

Dew Point (°C)

-1
0
1
2
2
2
1
2
5
5
6
6
6
6
6
7
7
7
7
7
7
6
6
5

Relative Humidity (%)

86
80
78
71
70
66
62
69
85
91
94
96
98
98
96
98
98
98
98
100
94
94
94
94

Pressure (mb)

1032
1032
1032
1032
1031
1031
1030
1030
1029
1029
1028
1027
1026
1026
1026
1025
1024
1024
1023
1023
1022
1022
1022
1022

Ozone (du)

397
398
398
398
398
402
406
408
408
408
408
408
406
408
410
413
414
415
416
416
414
414
412
411

Tuesday 23

Waxing Gibbous 100%

20:01

05:43

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 05:45, Set: 20:14, Transit: 13:00. Moon - Rise: 20:01, Set: 05:43. Civil Dark: 20:51 - 05:08. Nautical Dark: 21:38 - 04:20. Astro Dark: 22:34 - 03:24

Total Clouds (% Sky Obscured)

98
100
100
100
99
99
98
96
90
96
97
97
91
83
74
73
74
78
89
95
100
100
99
99

Low Clouds (% Sky Obscured)

96
100
100
99
99
98
96
93
86
84
79
75
88
77
67
56
45
34
33
32
29
34
33
35

Medium Clouds (% Sky Obscured)

29
32
35
33
35
36
35
34
34
51
87
88
64
45
35
45
49
59
70
80
91
77
66
52

High Clouds (% Sky Obscured)

41
15
22
25
10
6
5
5
8
46
41
43
45
41
40
47
46
42
62
81
100
87
77
62

ISS Passover

Visibility (miles)

9
5
9
9
9
8
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 (%)

24
23
24
30
34
42
39
36
39
33
22
16
16
13
7
5
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
2
2
2
3
4
5
4
4
4
5
5
5
5
5
5
4
3
0
1
0
-0
-1

Dew Point (°C)

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

Relative Humidity (%)

96
93
91
93
91
90
91
94
87
79
78
78
81
85
88
93
93
94
94
94
94
96
93
91

Pressure (mb)

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

Ozone (du)

410
409
408
408
408
407
407
406
403
400
398
398
398
400
401
403
403
403
403
403
403
404
404
405

Wednesday 24

Full Moon 99%

21:17

05:58

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

Sun - Rise: 05:43, Set: 20:16, Transit: 13:00. Moon - Rise: 21:17, Set: 05:58. Civil Dark: 20:53 - 05:05. Nautical Dark: 21:40 - 04:18. Astro Dark: 22:37 - 03:20

Total Clouds (% Sky Obscured)

93
87
83
88
94
100
97
95
92
90
88
84
55
27
0
2
4
5
14
22
30
34
38
42

Low Clouds (% Sky Obscured)

33
35
44
65
76
91
91
91
90
88
85
83
55
28
1
3
4
6
18
34
48
46
44
42

Medium Clouds (% Sky Obscured)

36
19
2
2
2
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

56
45
39
50
52
55
38
26
16
10
5
0
0
1
1
1
1
1
1
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
8
8
8
8
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
1
0
8
12
15
25
32
37
39
40
41
34
25
10
9
6
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
1
2
1
2
3
3
4
4
5
5
5
5
5
4
4
3
2
1
1
1
1
1
1

Relative Humidity (%)

89
80
74
66
68
67
65
70
74
78
81
82
85
88
91
93
93
91
91
93
93
93
94
96

Pressure (mb)

1021
1021
1021
1020
1020
1019
1019
1018
1018
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

405
405
405
406
406
406
406
406
405
405
405
405
405
406
406
407
409
410
412
416
420
424
426
428

Thursday 25

Waning Gibbous 96%

22:36

06:19

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
00 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)

50
56
51
54
61
70
77
86
91
94
96
99
95
91
87
87
88
92

Low Clouds (% Sky Obscured)

40
41
42
56
72
86
85
86
88
88
89
90
84
79
74
72
76
79

Medium Clouds (% Sky Obscured)

9
19
28
22
15
8
17
22
26
32
41
42
53
59
68
67
59
54

High Clouds (% Sky Obscured)

0
0
0
1
2
3
2
1
0
8
18
27
41
56
75
53
31
8

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 (%)

0
0
0
5
8
10
15
17
19
20
23
25
21
18
12
17
18
16

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
2
2
3
2
2
1
1
1
2
2
3
4
3
2
1
2
2

Relative Humidity (%)

96
89
82
76
70
63
58
57
56
56
60
66
70
73
74
75
79
85

Pressure (mb)

1016
1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

430
431
433
435
435
435
435
432
430
427
426
425
424
427
430
432
434
435

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

Generated: 19/04/24 07:30:45. Forecast: 19/04/24 to 25/04/24. Timezone: UTC+1.00