Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 29

Waning Gibbous 64%

02:57

10:22

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: 05:57, Set: 20:39, Transit: 13:19. Moon - Rise: 02:57, Set: 10:22. Civil Dark: 21:15 - 05:21. Nautical Dark: 22:02 - 04:34. Astro Dark: 22:58 - 03:37

Total Clouds (% Sky Obscured)

75
80
84
88
96
96
98
98
99
98
98
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

90
90
96
88
86
79
83
78
80
72
51
72
73
83
81
74
71
75
100
100
86
74
80
73

Medium Clouds (% Sky Obscured)

95
96
100
98
91
92
94
94
96
93
92
99
100
99
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

86
67
23
0
0
18
53
79
77
88
71
39
27
53
95
100
100
98
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

78
30
19
95
95
84
81
93
95
74
63
79
95
95
86
69
80
95
95
95
95
95
95
95

Precipitation Amount (mm)

0.6
0
0
0.9
0.8
0.6
0.5
0.7
1
0.4
0.3
0.6
0.8
0.8
0.5
0.3
0.5
0.6
2.1
5.3
1.6
1.4
0.8
0.6

Wind Speed/Direction (mph)

25
28
30
30
29
28
22
20
18
17
18
18
17
18
22
25
26
25
24
23
21
15
15
16

Chance of Frost

Temperature (°C)

12
12
12
11
11
11
12
12
12
11
11
11
11
11
12
12
12
12
12
12
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
92
93
93
93
92
92
92
96
93
92
93
95
93
93
93
93
93
95
96
93
88
90

Pressure (mb)

1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1010
1010
1009
1009
1008
1007
1006
1005
1004
1004
1004
1004
1004
1004

Ozone (du)

447
449
450
447
439
431
427
425
425
426
428
429
427
427
426
427
427
429
430
429
429
429
430
431

Tuesday 30

Waning Gibbous 52%

03:30

No Set

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: 05:56, Set: 20:40, Transit: 13:19. Moon - Rise: 03:30, Set: No Set. Civil Dark: 21:17 - 05:19. Nautical Dark: 22:04 - 04:31. Astro Dark: 23:01 - 03:34

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
56
58
20
52
69
78
46
45
52
75
65
61
81
78
97
100
100

Low Clouds (% Sky Obscured)

72
73
51
43
41
42
41
34
36
18
52
37
45
21
46
48
50
43
44
47
43
53
43
47

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
98
0
0
2
3
56
61
32
2
2
47
52
27
46
43
83
100
79

High Clouds (% Sky Obscured)

32
3
0
0
0
2
3
46
46
3
3
0
0
5
3
7
6
3
15
55
50
84
100
100

ISS Passover

Visibility (miles)

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

Light Rain
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 (%)

82
49
11
5
1
0
0
4
21
27
33
34
40
34
36
34
30
23
24
25
23
21
12
13

Precipitation Amount (mm)

0.5
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)

17
17
16
16
15
14
13
12
12
11
11
11
10
10
10
10
10
10
11
11
10
10
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
85
78
72
67
66
70
73
73
76
77
83
85
87
88
87
87
87
87
85
82
83
80
79

Pressure (mb)

1004
1005
1005
1005
1005
1005
1005
1005
1005
1005
1006
1006
1006
1006
1006
1006
1005
1006
1006
1006
1006
1007
1007
1007

Ozone (du)

433
437
440
437
437
440
444
448
449
447
447
449
448
447
447
447
448
448
445
443
439
437
435
436

Wednesday 1

Third Quarter 41%

03:54

11:46

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: 05:54, Set: 20:42, Transit: 13:19. Moon - Rise: 03:54, Set: 11:46. Civil Dark: 21:19 - 05:17. Nautical Dark: 22:06 - 04:29. Astro Dark: 23:03 - 03:31

Total Clouds (% Sky Obscured)

95
100
97
98
97
97
97
93
89
77
77
56
96
85
96
84
100
100
100
100
100
100
100
98

Low Clouds (% Sky Obscured)

33
28
35
31
33
18
10
0
0
2
17
20
20
15
15
20
25
25
25
25
36
48
62
62

Medium Clouds (% Sky Obscured)

84
100
91
94
90
93
93
93
88
78
78
42
75
85
96
86
100
100
100
100
98
96
94
91

High Clouds (% Sky Obscured)

72
46
50
50
55
50
55
55
60
60
60
67
92
71
71
57
92
100
100
100
100
100
100
90

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
6
5
3
2
2
2
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
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None

Precipitation Probability (%)

7
6
5
3
2
0
1
1
1
1
3
2
4
11
49
80
88
95
95
95
95
95
55
30

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.4
0.9
1
1.8
2.3
1.3
0
0

Wind Speed/Direction (mph)

11
9
8
7
6
6
6
5
5
4
3
3
3
4
5
7
8
8
9
10
11
12
14
15

Chance of Frost

Temperature (°C)

12
12
12
12
13
12
12
12
12
12
11
11
11
11
11
10
10
10
10
10
10
10
10
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
73
73
73
74
75
75
75
79
80
83
84
83
84
88
91
95
93
93
95
95
95
95
91

Pressure (mb)

1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009
1008
1008
1008
1008
1007
1007
1007
1007
1007
1007

Ozone (du)

435
432
432
432
429
428
425
421
419
419
418
418
417
416
415
413
410
408
406
403
402
402
403
405

Thursday 2

Waning Crescent 29%

04:12

13:12

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: 05:52, Set: 20:43, Transit: 13:19. Moon - Rise: 04:12, Set: 13:12. Civil Dark: 21:20 - 05:15. Nautical Dark: 22:08 - 04:27. Astro Dark: 23:06 - 03:28

Total Clouds (% Sky Obscured)

95
93
92
92
92
88
91
89
90
88
94
94
94
94
93
92
90
92
93
95
94
93
83
94

Low Clouds (% Sky Obscured)

62
62
60
59
35
30
27
27
25
22
21
33
44
49
54
59
34
29
23
18
14
10
6
16

Medium Clouds (% Sky Obscured)

87
57
44
44
45
48
49
81
80
67
83
81
82
84
84
85
87
89
92
94
94
94
63
63

High Clouds (% Sky Obscured)

30
29
52
48
60
52
65
65
26
41
66
82
82
82
78
67
60
60
60
65
65
65
36
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
None
None
None
None

Precipitation Probability (%)

27
8
4
2
0
2
0
0
0
0
0
1
1
1
2
4
5
11
16
17
16
11
8
8

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)

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

Chance of Frost

Temperature (°C)

11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
88
87
86
83
80
81
80
80
80
78
77
76
77
77
77
78
81
83
83
83
81
79

Pressure (mb)

1008
1008
1008
1008
1008
1009
1009
1009
1009
1010
1010
1011
1011
1011
1011
1010
1010
1010
1010
1010
1011
1011
1011
1011

Ozone (du)

404
404
402
400
399
399
398
399
398
398
398
398
397
395
394
394
394
393
393
393
394
395
395
395

Friday 3

Waning Crescent 19%

04:28

14:39

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
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: 05:50, Set: 20:45, Transit: 13:18. Moon - Rise: 04:28, Set: 14:39. Civil Dark: 21:22 - 05:13. Nautical Dark: 22:10 - 04:24. Astro Dark: 23:09 - 03:24

Total Clouds (% Sky Obscured)

94
95
80
65
53
47
40
43
52
64
74
75
75
76
76
79
82
82
86
89
93
91
91
81

Low Clouds (% Sky Obscured)

26
36
32
29
25
18
11
4
15
27
38
41
41
44
45
43
44
49
55
64
68
70
72
61

Medium Clouds (% Sky Obscured)

55
52
35
17
1
0
1
1
1
11
11
45
45
40
37
39
41
36
31
26
25
27
30
27

High Clouds (% Sky Obscured)

65
65
65
65
65
65
70
65
70
70
75
75
75
80
80
84
84
79
85
85
85
85
85
85

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
9
6
6
7
6
5
12
5
7
2
8
7
6
18
13
11
16
17
18
18
18
20
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)

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

Chance of Frost

Temperature (°C)

12
12
12
12
12
12
12
12
12
12
11
11
11
11
11
11
11
11
11
11
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

8
8
9
9
9
9
9
9
10
10
10
9
9
9
9
9
9
9
9
9
9
9
10
10

Relative Humidity (%)

79
79
79
79
80
80
80
83
86
87
90
88
90
90
90
90
90
90
90
90
90
90
91
92

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1012
1012
1012
1012
1012

Ozone (du)

396
396
396
396
396
396
395
394
394
393
393
392
392
391
389
388
388
387
388
388
389
388
388
387

Saturday 4

Waning Crescent 10%

04:42

16:05

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: 05:49, Set: 20:46, Transit: 13:18. Moon - Rise: 04:42, Set: 16:05. Civil Dark: 21:24 - 05:11. Nautical Dark: 22:12 - 04:22. Astro Dark: 23:12 - 03:21

Total Clouds (% Sky Obscured)

67
55
67
82
93
93
92
91
85
80
74
67
60
53
63
71
79
86
94
100
93
85
76
78

Low Clouds (% Sky Obscured)

47
35
31
28
21
21
22
23
15
9
3
12
20
31
29
26
24
44
64
88
82
71
61
67

Medium Clouds (% Sky Obscured)

24
27
36
44
47
57
69
87
69
52
40
31
18
4
23
42
62
64
69
76
72
71
71
59

High Clouds (% Sky Obscured)

80
80
75
70
65
60
65
65
58
52
38
38
37
37
47
59
72
79
85
89
62
32
1
5

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 (%)

16
7
10
10
5
13
11
6
8
10
12
15
14
11
14
12
6
11
9
0
1
1
0
2

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

Chance of Frost

Temperature (°C)

12
12
12
12
13
13
12
12
12
11
11
11
10
10
10
10
10
10
10
10
11
11
12
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
90
92
89
87
86
87
87
89
90
91
93
90
90
88
87
85
84
84
83
83
79
75
70

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1012
1012
1012

Ozone (du)

387
387
387
387
387
388
388
389
390
389
389
389
388
388
388
386
384
381
384
386
388
390
391
392

Sunday 5

Waning Crescent 10%

04:57

17:31

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: 20:48, Transit: 13:18. Moon - Rise: 04:57, Set: 17:31. Civil Dark: 21:26 - 05:09. Nautical Dark: 22:15 - 04:20. Astro Dark: 23:16 - 03:18

Total Clouds (% Sky Obscured)

81
84
87
89
92
95
97
100
99
99
99
99
100
100
100
100
99
97
95
94

Low Clouds (% Sky Obscured)

75
80
75
69
60
57
55
55
64
73
82
81
81
80
84
88
92
82
67
54

Medium Clouds (% Sky Obscured)

48
33
26
16
7
15
23
31
48
71
92
94
97
100
99
99
98
85
71
61

High Clouds (% Sky Obscured)

8
14
37
57
75
81
88
98
89
82
69
73
82
91
82
73
64
65
66
68

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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

5
6
14
16
14
14
9
3
4
3
1
15
21
21
30
40
44
53
55
56

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
14
14
14
14
13
13
13
13
13
12
12
12
12
13
12
12
12
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
69
69
68
67
67
70
74
76
79
79
80
84
87
92
93
95
93
93
93

Pressure (mb)

1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

391
390
388
389
389
390
389
388
387
386
386
386
388
391
393
395
396
398
399
401

Forecast for Penzance, Cornwall, United Kingdom (50.12,-5.54)

Generated: 29/04/24 11:40:18. Forecast: 29/04/24 to 05/05/24. Timezone: UTC+1.00