Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Waxing Gibbous 100%

20:17

06:07

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

Sun - Rise: 06:08, Set: 20:29, Transit: 13:20. Moon - Rise: 20:17, Set: 06:07. Civil Dark: 21:05 - 05:32. Nautical Dark: 21:50 - 04:47. Astro Dark: 22:42 - 03:55

Total Clouds (% Sky Obscured)

67
70
58
45
55
71
72
57
33
31
30
23
19
18
21
37
38
40
42
51
44
64
66
70

Low Clouds (% Sky Obscured)

71
38
50
42
47
53
46
42
35
33
30
26
20
20
26
42
46
46
48
56
49
68
67
75

Medium Clouds (% Sky Obscured)

0
28
24
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)

22
13
3
2
7
15
24
15
1
10
2
1
1
0
0
1
0
0
0
1
2
2
4
3

ISS Passover

Visibility (miles)

7
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
14
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
9
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)

8
10
11
16
16
17
17
17
16
16
15
13
13
13
12
12
11
10
9
9
9
9
9
9

Chance of Frost

Temperature (°C)

11
11
12
11
11
11
11
11
11
10
10
10
10
10
10
10
10
10
10
10
10
10
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
86
84
84
83
83
81
84
84
87
88
88
88
88
88
88
90
88
87
85
84
81
76

Pressure (mb)

1026
1026
1026
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024
1023
1023
1022
1022
1021
1021
1020
1020
1020
1020

Ozone (du)

389
387
386
388
390
390
390
392
394
394
394
394
394
395
393
392
389
390
392
393
392
391
392
394

Wednesday 24

Full Moon 99%

21:32

06:24

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

Sun - Rise: 06:06, Set: 20:31, Transit: 13:19. Moon - Rise: 21:32, Set: 06:24. Civil Dark: 21:07 - 05:30. Nautical Dark: 21:52 - 04:45. Astro Dark: 22:44 - 03:51

Total Clouds (% Sky Obscured)

54
47
43
42
54
59
50
47
49
41
69
46
40
71
81
99
98
76
77
50
39
47
57
75

Low Clouds (% Sky Obscured)

57
50
48
51
63
65
56
50
53
45
75
55
45
33
51
63
70
63
62
56
41
45
53
65

Medium Clouds (% Sky Obscured)

0
0
0
0
1
1
1
1
2
2
1
1
0
0
0
0
17
0
0
27
0
2
5
5

High Clouds (% Sky Obscured)

2
1
0
0
0
0
0
0
0
2
4
2
4
53
63
83
73
31
3
6
9
6
7
32

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 (%)

21
16
2
2
5
5
5
0
0
1
0
0
8
1
2
5
24
25
23
23
18
5
7
12

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
73
71
68
71
73
73
74
76
80
80
78
80
80
78
81
84
90
87
87
85
83
83
78

Pressure (mb)

1019
1019
1019
1018
1018
1017
1017
1017
1016
1016
1016
1016
1015
1015
1014
1014
1013
1012
1011
1011
1011
1010
1010
1010

Ozone (du)

395
396
397
397
398
398
398
399
401
403
405
406
407
409
410
411
413
414
414
413
413
413
415
415

Thursday 25

Waning Gibbous 96%

22:48

06:47

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
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:04, Set: 20:33, Transit: 13:19. Moon - Rise: 22:48, Set: 06:47. Civil Dark: 21:08 - 05:28. Nautical Dark: 21:54 - 04:42. Astro Dark: 22:47 - 03:48

Total Clouds (% Sky Obscured)

89
75
96
99
89
81
98
90
99
96
100
100
100
100
100
100
100
100
100
100
96
92
88
92

Low Clouds (% Sky Obscured)

75
53
53
53
60
56
73
65
50
58
56
52
73
80
87
86
81
60
59
65
66
69
69
67

Medium Clouds (% Sky Obscured)

36
17
49
54
52
55
90
81
98
93
79
100
100
100
100
100
98
100
100
100
89
79
65
77

High Clouds (% Sky Obscured)

53
51
53
45
7
22
40
45
91
45
100
100
100
100
100
100
100
100
60
55
52
51
43
43

ISS Passover

Visibility (miles)

9
9
9
9
9
7
8
5
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
Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
None
None
None
None

Precipitation Probability (%)

21
11
4
2
14
33
50
42
33
25
25
28
44
54
77
93
94
86
57
57
32
32
29
34

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
76
76
77
78
81
83
88
85
87
87
85
85
81
76
74
77
76
76
76
77
76
71
71

Pressure (mb)

1009
1009
1008
1008
1007
1007
1007
1006
1006
1005
1005
1005
1004
1004
1003
1003
1003
1002
1002
1001
1001
1001
1002
1002

Ozone (du)

414
416
414
413
413
421
421
420
418
417
419
419
419
421
421
422
424
427
431
430
429
429
429
430

Friday 26

Waning Gibbous 90%

00:04

07:19

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
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:02, Set: 20:34, Transit: 13:19. Moon - Rise: 00:04, Set: 07:19. Civil Dark: 21:10 - 05:26. Nautical Dark: 21:56 - 04:40. Astro Dark: 22:50 - 03:45

Total Clouds (% Sky Obscured)

96
100
100
100
100
100
100
100
100
100
100
100
100
99
92
94
92
94
97
100
100
100
100
100

Low Clouds (% Sky Obscured)

66
67
67
67
65
59
75
77
74
72
70
80
84
90
81
77
64
62
62
62
74
87
100
100

Medium Clouds (% Sky Obscured)

88
100
100
100
100
100
100
100
100
100
100
100
100
94
61
88
82
88
94
100
100
100
100
100

High Clouds (% Sky Obscured)

82
100
100
100
100
100
100
100
100
100
100
100
97
86
59
43
15
43
73
100
100
100
100
100

ISS Passover

Visibility (miles)

9
7
7
7
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
3
3

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

Precipitation Probability (%)

33
29
31
30
24
22
17
16
30
36
34
69
86
95
83
80
87
77
62
35
69
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.5
0.4
0.4
0.5
0.4
0.2
0
0.3
0.6
1.3
1.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
9
9
9
9
9
9
10
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
72
73
73
74
73
73
73
74
76
74
73
70
72
77
84
82
78
81
84
87
90
91
93

Pressure (mb)

1001
1001
1001
1001
1001
1000
1000
1000
999
999
999
999
998
998
997
997
996
995
995
995
994
994
994
993

Ozone (du)

430
431
434
436
437
438
438
437
437
438
439
442
443
441
440
440
439
437
438
436
437
438
438
438

Saturday 27

Waning Gibbous 83%

01:14

08:05

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
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:00, Set: 20:36, Transit: 13:19. Moon - Rise: 01:14, Set: 08:05. Civil Dark: 21:12 - 05:24. Nautical Dark: 21:58 - 04:37. Astro Dark: 22:53 - 03:42

Total Clouds (% Sky Obscured)

100
100
97
93
90
80
71
59
71
85
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
84
66
49
48
46
44
48
51
54
53
51
49
53
54
56
52
47
45
52
60
68
79

Medium Clouds (% Sky Obscured)

100
100
96
91
85
76
66
58
72
85
100
91
100
99
93
87
79
74
78
82
85
84
83
88

High Clouds (% Sky Obscured)

100
100
80
57
40
40
35
35
57
78
100
100
100
100
100
100
100
92
84
71
75
87
100
90

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
95
95
95
95
95
74
74
76
71
73
67
71
95
70
40
47
53
57
60
63
65
62

Precipitation Amount (mm)

1.1
1.5
1.5
1.5
1.3
0.9
0.6
0.4
0.4
0.4
0.3
0.4
0.3
0.4
0.7
0.3
0
0
0
0.2
0.2
0.2
0.2
0.2

Wind Speed/Direction (mph)

9
8
7
7
9
10
8
9
10
13
15
16
16
17
18
19
19
19
17
16
14
11
12
13

Chance of Frost

Temperature (°C)

9
9
9
9
10
10
10
10
10
10
10
9
9
9
10
10
10
10
10
10
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

8
8
7
8
8
9
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8

Relative Humidity (%)

90
88
88
91
91
93
90
90
90
88
88
90
90
88
91
90
90
90
90
90
88
88
87
85

Pressure (mb)

993
993
993
993
993
993
993
993
993
994
994
995
994
995
995
995
995
995
996
997
998
999
1000
1001

Ozone (du)

437
436
437
436
435
434
432
432
434
436
436
436
436
439
439
439
439
439
439
440
440
439
438
437

Sunday 28

Waning Gibbous 74%

02:13

09:06

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
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:59, Set: 20:37, Transit: 13:19. Moon - Rise: 02:13, Set: 09:06. Civil Dark: 21:14 - 05:22. Nautical Dark: 22:00 - 04:35. Astro Dark: 22:55 - 03:39

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
98
98
98
98
98
96
94
91
83
75
68
71
74
79
81
83
85
84

Low Clouds (% Sky Obscured)

90
100
99
97
96
94
92
90
90
89
88
92
88
87
77
68
55
61
66
73
74
74
76
74

Medium Clouds (% Sky Obscured)

92
97
86
74
67
76
86
96
96
97
98
83
66
50
47
45
39
37
25
22
25
27
35
48

High Clouds (% Sky Obscured)

83
74
77
82
87
65
34
4
8
22
34
38
28
17
12
6
1
4
6
9
23
41
55
55

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

58
53
64
77
87
82
76
67
62
57
50
45
41
39
32
26
21
33
47
64
69
67
59
54

Precipitation Amount (mm)

0
0
0.3
0.5
0.7
0.5
0.5
0.3
0.3
0.2
0
0
0
0
0
0
0
0
0
0.3
0.4
0.4
0.3
0.3

Wind Speed/Direction (mph)

14
15
16
16
15
15
16
17
17
17
18
19
19
19
19
19
18
18
17
16
16
14
14
13

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
10
10
10
10
10
10
10
9
9
9
9
10
9
9
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

8
7
7
7
7
6
6
6
6
6
6
6
6
6
6
6
6
6
7
8
8
8
8
7

Relative Humidity (%)

85
84
84
81
80
80
77
76
73
76
77
80
80
80
81
80
80
78
84
88
91
90
90
87

Pressure (mb)

1001
1002
1003
1003
1004
1005
1005
1006
1006
1007
1007
1008
1009
1009
1009
1010
1010
1010
1011
1011
1011
1012
1012
1013

Ozone (du)

438
439
439
441
443
445
444
444
443
443
443
443
446
448
451
451
450
449
450
450
451
451
451
452

Monday 29

Waning Gibbous 64%

02:58

10:21

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: 05:57, Set: 20:39, Transit: 13:19. Moon - Rise: 02:58, Set: 10:21. Civil Dark: 21:15 - 05:20. Nautical Dark: 22:02 - 04:33. Astro Dark: 22:58 - 03:36

Total Clouds (% Sky Obscured)

83
81
74
69
63
63
62
58
56
54
55
52
57
53
60
74
90
95
99
95

Low Clouds (% Sky Obscured)

71
69
65
60
56
47
39
31
38
48
56
43
31
19
33
44
57
65
65
74

Medium Clouds (% Sky Obscured)

54
58
52
45
39
36
33
30
26
24
27
30
36
35
42
45
53
58
60
61

High Clouds (% Sky Obscured)

60
60
41
18
2
8
13
18
28
39
55
56
45
34
46
55
65
49
30
15

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

48
38
34
29
18
12
8
2
7
10
13
14
14
15
16
15
14
11
9
8

Precipitation Amount (mm)

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
10
9
9
10
11
11
10
10
9
9
9
9
9
10
11
12
14
15
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
8
7
7
6
6
6
6
7
7
7
7
7
7
7
7
7
7
7

Relative Humidity (%)

87
85
84
78
76
72
73
74
76
78
80
82
82
81
82
82
84
84
82
83

Pressure (mb)

1013
1013
1014
1014
1014
1014
1015
1015
1015
1015
1016
1016
1016
1016
1016
1015
1015
1014
1014
1013

Ozone (du)

452
453
453
455
456
458
456
455
453
451
449
446
442
438
434
431
428
424
422
420

Forecast for St Ives, Cornwall, United Kingdom (50.22,-5.48)

Generated: 23/04/24 11:15:14. Forecast: 23/04/24 to 29/04/24. Timezone: UTC+1.00