Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 28

Waning Gibbous 74%

02:13

09:06

11 OK
12 OK
13 OK
14 OK
15 OK
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)

27
27
24
28
39
64
57
65
50
41
96
100
100
100
100
99
100
96
100
100
100
100
99
100

Low Clouds (% Sky Obscured)

32
25
31
37
35
31
28
35
48
20
55
32
38
57
81
59
60
56
51
54
61
60
79
94

Medium Clouds (% Sky Obscured)

0
0
0
0
0
2
1
46
2
15
27
97
100
100
100
97
89
86
76
100
94
99
96
100

High Clouds (% Sky Obscured)

0
0
0
0
8
50
50
50
0
22
84
97
100
100
100
97
100
64
100
100
100
99
78
88

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
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
None
None
None
None
None
None
Very Light Rain
Light Rain

Precipitation Probability (%)

1
0
0
2
4
1
0
0
3
10
11
17
19
31
37
50
43
33
34
32
29
33
63
93

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
0.2
0.7

Wind Speed/Direction (mph)

12
12
12
13
14
14
14
14
14
14
14
15
16
17
19
21
21
23
23
24
25
25
27
29

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
67
65
64
64
68
68
68
72
74
76
76
76
78
80
84
87
88
90
90
90
90
88
88

Pressure (mb)

1009
1010
1010
1011
1011
1011
1012
1012
1012
1012
1013
1013
1013
1013
1012
1012
1012
1011
1011
1010
1010
1010
1010
1010

Ozone (du)

472
471
471
473
466
458
454
451
448
447
444
440
437
435
434
433
433
433
434
433
434
435
438
439

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
07 Bad
08 Bad
09 Bad
10 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)

100
100
98
97
94
100
98
100
98
98
98
99
100
100
100
100
100
99
96
100
100
100
100
100

Low Clouds (% Sky Obscured)

98
100
97
84
89
79
71
72
63
64
68
72
79
93
95
95
87
80
75
74
72
72
76
74

Medium Clouds (% Sky Obscured)

99
99
97
94
92
100
92
100
51
72
93
98
100
100
100
100
99
93
86
100
98
100
100
100

High Clouds (% Sky Obscured)

57
45
4
0
14
37
69
54
66
81
75
91
83
95
99
100
100
92
76
83
79
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
95
95
95
76
84
58
61
70
65
64
61
93
95
95
95
95
95
95
95
95
95
58

Precipitation Amount (mm)

0.9
0.9
1.5
1.6
0.9
0.3
0.6
0
0.3
0.3
0.3
0.3
0
0.7
1.2
1.5
1.8
2
1.9
2
2.6
1.5
0.6
0

Wind Speed/Direction (mph)

30
29
31
29
27
24
21
20
19
17
16
16
17
19
22
25
24
23
22
19
18
17
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
92
93
93
93
93
93
93
93
93
95
95
95
93
95
95
95
95
95
96
96
95
93

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1008
1008
1007
1006
1005
1004
1004
1003
1003
1003
1003
1003
1004

Ozone (du)

439
439
438
440
440
432
429
430
426
419
418
420
425
426
427
427
426
426
429
429
428
431
433
435

Tuesday 30

Waning Gibbous 52%

03:30

No Set

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

Sun - Rise: 05:55, Set: 20:40, Transit: 13:19. Moon - Rise: 03:30, Set: No Set. Civil Dark: 21:17 - 05:18. Nautical Dark: 22:04 - 04:30. Astro Dark: 23:01 - 03:33

Total Clouds (% Sky Obscured)

100
100
100
100
93
34
35
26
47
28
42
39
4
39
82
55
54
45
28
34
46
55
61
59

Low Clouds (% Sky Obscured)

72
56
40
37
35
35
38
30
52
29
44
38
4
33
49
39
47
42
29
36
39
40
40
37

Medium Clouds (% Sky Obscured)

100
100
100
100
82
1
0
0
0
0
6
0
0
10
60
13
3
5
1
3
23
39
50
50

High Clouds (% Sky Obscured)

96
65
0
3
18
2
2
2
0
2
0
0
0
0
52
19
14
6
4
4
19
33
51
53

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
8
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
20
3
3
1
0
3
14
6
10
24
36
28
22
31
27
21
13
5
9
23
25
26
28

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
78
73
68
67
67
70
73
75
73
73
76
83
81
80
80
81
82
82
82
84
81
78
77

Pressure (mb)

1004
1004
1005
1005
1005
1005
1005
1005
1005
1005
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1007
1007
1007
1008

Ozone (du)

436
439
441
440
443
447
451
452
455
457
455
456
456
455
452
449
448
445
444
442
438
437
436
436

Wednesday 1

Third Quarter 41%

03:54

11:45

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 OK
06 OK
07 OK
08 Bad
09 Bad
10 OK

Sun - Rise: 05:53, Set: 20:42, Transit: 13:18. Moon - Rise: 03:54, Set: 11:45. Civil Dark: 21:19 - 05:16. Nautical Dark: 22:06 - 04:28. Astro Dark: 23:04 - 03:30

Total Clouds (% Sky Obscured)

73
56
61
58
100
72
100
100
89
79
71
68
68
68
64
63
61
54
27
24
28
53
57
37

Low Clouds (% Sky Obscured)

34
32
35
38
40
41
40
37
37
38
38
38
38
41
40
37
37
32
26
21
23
26
31
30

Medium Clouds (% Sky Obscured)

50
45
50
56
60
69
87
100
78
57
35
35
40
45
45
45
42
0
0
0
0
0
0
5

High Clouds (% Sky Obscured)

68
51
50
40
100
43
100
37
62
80
70
1
0
1
10
38
39
73
3
6
7
75
71
4

ISS Passover

Visibility (miles)

8
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 (%)

31
24
26
23
17
21
13
10
9
10
13
11
23
19
12
11
4
5
4
0
1
1
0
1

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)

13
13
13
12
11
10
9
8
7
7
6
5
4
4
3
4
3
3
2
3
3
3
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
8
7
7
7
7
7
8
8
8
8
8
8
8
8
7
7
7
7
7
8
8
8

Relative Humidity (%)

75
75
73
72
70
70
71
72
77
80
84
87
87
87
87
87
87
85
85
87
85
85
83
79

Pressure (mb)

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

Ozone (du)

435
435
434
433
430
430
431
431
431
428
426
425
427
429
428
426
424
421
419
415
412
409
409
408

Thursday 2

Waning Crescent 29%

04:12

13:12

11 OK
12 Bad
13 Bad
14 OK
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: 05:51, Set: 20:43, Transit: 13:18. Moon - Rise: 04:12, Set: 13:12. Civil Dark: 21:21 - 05:14. Nautical Dark: 22:09 - 04:26. Astro Dark: 23:07 - 03:26

Total Clouds (% Sky Obscured)

43
47
49
42
50
71
54
86
91
96
100
93
85
78
85
90
96
97
98
99
97
96
94
88

Low Clouds (% Sky Obscured)

31
32
30
28
26
20
15
10
13
15
18
13
8
4
9
13
17
17
15
14
18
22
27
37

Medium Clouds (% Sky Obscured)

10
14
15
13
11
19
26
34
40
92
97
91
80
79
81
82
84
83
82
82
79
79
70
70

High Clouds (% Sky Obscured)

4
4
16
7
35
61
16
66
77
90
71
91
83
75
80
86
92
84
73
65
76
73
69
61

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 (%)

2
2
1
1
1
0
0
0
0
0
0
0
0
0
1
1
1
6
8
7
20
24
25
51

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)

1
2
3
4
6
6
6
6
6
5
5
5
5
5
5
6
7
8
9
10
11
12
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
68
67
66
66
67
69
71
77
81
83
83
84
84
84
84
85
87
88
90
91
87
84
81

Pressure (mb)

1011
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

408
408
408
408
407
407
407
406
405
406
406
405
406
406
405
405
405
406
407
409
411
413
415
418

Friday 3

Waning Crescent 19%

04:28

14:39

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

Total Clouds (% Sky Obscured)

84
80
77
69
61
55
53
56
67
77
88
87
86
85
89
93
94
94
91
90
85
80
72
81

Low Clouds (% Sky Obscured)

49
62
74
79
83
78
77
76
67
65
66
72
77
82
81
78
75
78
80
81
75
69
64
67

Medium Clouds (% Sky Obscured)

70
65
55
51
46
32
25
18
33
39
40
39
42
45
48
52
61
56
52
49
49
54
54
69

High Clouds (% Sky Obscured)

50
41
38
36
30
20
10
0
15
30
45
48
51
54
52
52
57
60
59
62
46
34
18
11

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

63
70
73
83
95
83
66
49
45
35
4
21
30
38
42
42
39
52
62
72
67
56
11
30

Precipitation Amount (mm)

0.3
0.3
0.4
0.5
0.8
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
12
12
12
12
12
12
12
12
12
11
11
11
11
11
11
11
11
12
12
12
12
12
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
76
75
75
73
73
76
77
81
83
83
84
86
88
90
90
88
87
90
93
96
93
90
84

Pressure (mb)

1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1010
1010
1010
1009
1009
1008
1007
1006
1006
1006
1006
1006
1007
1007

Ozone (du)

420
423
425
424
423
422
420
419
417
415
413
411
411
411
411
409
407
405
402
400
397
396
394
393

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

Sun - Rise: 05:48, Set: 20:46, Transit: 13:18. Moon - Rise: 04:42, Set: 16:05. Civil Dark: 21:24 - 05:10. Nautical Dark: 22:13 - 04:21. Astro Dark: 23:13 - 03:20

Total Clouds (% Sky Obscured)

90
100
93
86
80
84
87
89
79
70
61
69
80
91
93
96
99
96
92
86

Low Clouds (% Sky Obscured)

69
71
62
57
52
56
60
60
55
51
48
58
68
75
79
86
93
89
86
81

Medium Clouds (% Sky Obscured)

85
100
95
91
86
87
87
89
62
38
13
31
47
66
71
78
82
64
50
35

High Clouds (% Sky Obscured)

5
0
0
0
0
0
0
0
0
0
0
9
19
27
24
21
19
11
6
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

37
46
64
78
92
79
62
36
31
25
15
34
49
61
57
60
70
62
55
50

Precipitation Amount (mm)

0
0
0.3
0.5
0.8
0.6
0.3
0
0
0
0
0
0
0.3
0.2
0.3
0.5
0.3
0.2
0.2

Wind Speed/Direction (mph)

11
10
9
8
7
7
7
8
9
9
9
10
10
12
12
12
14
15
16
17

Chance of Frost

Temperature (°C)

13
13
13
13
13
13
13
13
13
12
12
12
12
12
12
12
12
12
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
89
87
87
87
86
83
80
81
84
84
87
89
90
90
92
92
90
90

Pressure (mb)

1008
1008
1008
1008
1008
1008
1008
1007
1007
1007
1008
1008
1007
1007
1007
1007
1006
1006
1006
1006

Ozone (du)

393
394
395
398
401
404
411
418
426
430
434
437
436
434
432
433
433
434
435
436

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

Generated: 28/04/24 11:39:58. Forecast: 28/04/24 to 04/05/24. Timezone: UTC+1.00