Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Waxing Gibbous 100%

21:30

06:00

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

Sun - Rise: 06:02, Set: 20:29, Transit: 13:15. Moon - Rise: 21:30, Set: 06:00. Civil Dark: 21:05 - 05:25. Nautical Dark: 21:52 - 04:39. Astro Dark: 22:43 - 03:44

Total Clouds (% Sky Obscured)

32
28
21
17
3
4
9
33
39
59
47
51
39
37
37
41
35
38
48
50
48
28
9
36

Low Clouds (% Sky Obscured)

4
0
0
0
0
0
4
29
34
50
42
49
37
32
35
36
29
32
43
44
37
23
5
3

Medium Clouds (% Sky Obscured)

0
0
0
0
0
2
2
0
0
0
0
0
0
0
0
4
6
5
3
3
1
0
1
24

High Clouds (% Sky Obscured)

2
2
2
2
2
2
2
2
2
2
2
3
2
3
3
2
2
4
2
4
18
5
2
25

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
0
1
13
5
13
3
3
1
2
3
7
3
13
1
1
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
10
9
8
10
11
11
11
10
9
9
9
9
9
8
7
7
9
10
11
11
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
6
5
6
6
6
6
6
6
7
6
6
5
6
5
5
5
6
6
6
7
7
7

Relative Humidity (%)

80
81
82
81
81
81
81
84
84
84
84
78
78
74
74
73
72
71
71
72
74
78
82
82

Pressure (mb)

1023
1023
1023
1023
1022
1022
1021
1021
1021
1020
1020
1020
1020
1020
1019
1019
1018
1018
1017
1016
1016
1016
1015
1016

Ozone (du)

394
395
394
395
395
394
394
394
395
396
398
400
401
402
401
401
400
400
402
403
405
407
409
410

Wednesday 24

Full Moon 99%

No Rise

06:17

22 OK
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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 06:00, Set: 20:30, Transit: 13:15. Moon - Rise: No Rise, Set: 06:17. Civil Dark: 21:07 - 05:23. Nautical Dark: 21:54 - 04:36. Astro Dark: 22:46 - 03:41

Total Clouds (% Sky Obscured)

38
53
51
60
74
59
63
84
96
96
92
98
69
72
66
68
62
86
96
99
95
96
99
100

Low Clouds (% Sky Obscured)

2
17
34
54
69
53
53
64
57
77
84
86
54
27
25
37
44
67
58
51
55
64
65
52

Medium Clouds (% Sky Obscured)

22
28
17
13
7
9
2
0
30
42
41
39
26
29
36
36
45
45
48
53
85
88
96
57

High Clouds (% Sky Obscured)

16
25
1
0
0
2
6
25
67
65
38
65
13
24
7
8
2
87
60
40
40
60
40
98

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
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
3
6
16
14
25
29
17
6
12
3
20
46
53
26
13
10
19
21

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

9
8
8
7
7
8
8
8
9
10
11
13
13
13
11
11
11
11
11
9
9
9
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
81
81
81
81
82
81
80
80
80
80
81
78
76
77
76
73
73
71
69
68
72
78
81

Pressure (mb)

1015
1015
1014
1014
1013
1012
1012
1011
1010
1010
1009
1009
1008
1008
1008
1007
1007
1007
1006
1006
1006
1005
1005
1005

Ozone (du)

410
410
409
409
410
409
408
409
410
412
414
415
415
413
412
412
413
413
414
415
414
411
413
416

Thursday 25

Waning Gibbous 96%

22:48

06:38

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 05:58, Set: 20:32, Transit: 13:15. Moon - Rise: 22:48, Set: 06:38. Civil Dark: 21:09 - 05:21. Nautical Dark: 21:56 - 04:34. Astro Dark: 22:49 - 03:38

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
100
99
79
89
72
73
70
100
96
100
100
93
96
96
100
100
100
100

Low Clouds (% Sky Obscured)

61
82
93
94
87
80
79
81
65
60
67
67
57
59
54
47
41
60
56
53
50
51
50
49

Medium Clouds (% Sky Obscured)

58
100
100
100
100
97
100
96
44
4
7
7
5
55
72
100
100
88
63
79
100
100
100
100

High Clouds (% Sky Obscured)

55
46
58
42
32
2
2
0
20
76
36
20
23
99
86
100
53
53
91
89
100
98
96
93

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

46
64
69
61
66
76
78
63
39
30
29
30
26
21
24
30
35
34
26
26
29
26
32
38

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
7
8
9
9
9
9
9
9
10
11
10
8
7
6
7
9
9
9
8
6
5
4
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
80
81
81
84
84
87
91
88
88
85
85
82
80
77
77
78
77
78
77
76
77
80
83

Pressure (mb)

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

Ozone (du)

423
426
426
426
427
427
427
429
430
430
431
433
434
434
435
434
432
431
430
430
430
430
429
429

Friday 26

Waning Gibbous 90%

00:04

07:10

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 05:56, Set: 20:33, Transit: 13:15. Moon - Rise: 00:04, Set: 07:10. Civil Dark: 21:11 - 05:19. Nautical Dark: 21:58 - 04:31. Astro Dark: 22:52 - 03:34

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

62
76
89
91
93
95
90
84
76
61
52
40
49
70
87
93
96
100
86
76
61
66
71
76

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
97
86
35
52
42
46
48
51
57
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

96
98
100
100
100
100
92
50
55
55
54
57
70
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
7
5
3
3
9
9
9
9
9
9
7
9
4
4
7
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
Light Rain

Precipitation Probability (%)

51
57
71
94
95
95
95
72
42
38
34
17
59
73
95
91
81
74
69
60
51
51
49
92

Precipitation Amount (mm)

0
0
0.3
0.7
1
1.6
0.9
0.2
0
0
0
0
0.2
0.3
0.7
0.7
0.5
0.5
0.3
0
0
0
0
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
87
88
90
91
91
95
93
91
90
90
90
87
83
83
83
81
84
86
87
87
92
91
91

Pressure (mb)

1001
1001
1000
1000
999
999
998
998
998
998
998
998
998
997
997
997
997
997
997
996
996
996
996
996

Ozone (du)

429
430
430
431
432
432
432
432
431
428
426
423
423
424
423
423
426
426
426
428
428
427
427
431

Saturday 27

Waning Gibbous 83%

01:16

07:54

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 05:54, Set: 20:35, Transit: 13:14. Moon - Rise: 01:16, Set: 07:54. Civil Dark: 21:12 - 05:17. Nautical Dark: N/A - 04:29. Astro Dark: 22:55 - 03:31

Total Clouds (% Sky Obscured)

100
100
100
52
42
38
45
66
57
75
78
85
100
100
100
100
100
100
100
99
99
100
100
100

Low Clouds (% Sky Obscured)

75
68
65
44
38
33
40
39
35
31
39
47
43
47
75
75
72
69
71
77
85
90
94
100

Medium Clouds (% Sky Obscured)

100
58
55
40
20
0
6
43
37
65
62
59
54
100
100
100
100
100
92
85
82
90
93
96

High Clouds (% Sky Obscured)

100
100
100
20
10
4
2
6
5
31
33
53
100
100
100
100
100
100
95
91
91
87
79
68

ISS Passover

Visibility (miles)

4
9
8
9
9
9
9
2
9
9
9
8
7
7
3
5
5
6
7
6
6
6
7
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
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

95
86
58
43
34
16
23
19
9
16
29
53
73
95
95
95
95
95
95
95
91
90
90
90

Precipitation Amount (mm)

1
0.4
0
0
0
0
0
0
0
0
0
0.2
0.4
0.8
1.1
1
0.9
0.8
0.7
0.5
0.3
0.4
0.5
0.5

Wind Speed/Direction (mph)

7
9
7
7
7
9
12
11
11
10
13
16
19
20
20
19
18
17
17
14
13
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
93
93
90
88
88
91
93
93
91
90
88
83
79
80
81
83
84
86
86
86
86
88
90

Pressure (mb)

996
996
996
997
997
997
998
998
998
999
999
1000
1000
1000
1001
1001
1002
1002
1002
1003
1003
1003
1004
1005

Ozone (du)

432
434
435
440
444
446
447
447
446
445
443
442
441
442
444
446
445
444
443
442
440
438
436
435

Sunday 28

Waning Gibbous 74%

02:14

08:56

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 05:52, Set: 20:37, Transit: 13:14. Moon - Rise: 02:14, Set: 08:56. Civil Dark: 21:14 - 05:15. Nautical Dark: 22:00 - 04:26. Astro Dark: 22:58 - 03:28

Total Clouds (% Sky Obscured)

99
98
96
90
83
77
79
80
83
86
89
92
94
95
96
95
93
91
93
96
100
95
89
83

Low Clouds (% Sky Obscured)

98
97
95
86
76
66
65
67
69
71
72
75
73
72
71
70
69
64
55
46
38
32
30
29

Medium Clouds (% Sky Obscured)

91
85
79
61
41
21
23
22
24
25
27
32
31
33
36
27
21
13
38
61
85
81
77
69

High Clouds (% Sky Obscured)

48
28
8
3
2
0
0
0
1
1
4
6
9
12
14
29
43
58
72
85
100
93
88
70

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
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

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

Precipitation Probability (%)

92
89
82
72
58
35
45
55
68
64
58
50
47
41
33
26
18
5
7
7
8
7
7
4

Precipitation Amount (mm)

0.6
0.6
0.5
0.4
0.2
0
0
0.2
0.5
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
15
15
14
13
12
11
12
13
15
15
14
15
16
16
18
17
17
17
16
15
14
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
93
93
90
90
88
88
90
90
87
85
84
81
80
77
76
75
72
75
77
79
80
84

Pressure (mb)

1005
1006
1006
1006
1007
1007
1008
1008
1009
1009
1010
1011
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1015
1015

Ozone (du)

433
433
433
433
433
434
434
433
432
430
430
430
430
432
433
434
432
430
428
428
428
428
425
421

Monday 29

Waning Gibbous 64%

02:59

10:12

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 05:50, Set: 20:38, Transit: 13:14. Moon - Rise: 02:59, Set: 10:12. Civil Dark: 21:16 - 05:12. Nautical Dark: 22:02 - 04:24. Astro Dark: 23:01 - 03:24

Total Clouds (% Sky Obscured)

83
83
82
85
88
91
90
91
92
89
87
84
79
74
68
63
54
48
28
15
5

Low Clouds (% Sky Obscured)

25
23
23
25
25
28
31
32
40
47
62
66
67
65
66
62
59
58
48
42
40

Medium Clouds (% Sky Obscured)

64
60
57
63
69
74
76
80
83
72
61
49
50
51
56
56
55
55
60
55
55

High Clouds (% Sky Obscured)

58
44
36
53
58
62
46
36
30
35
45
58
50
42
34
32
26
19
15
10
10

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
8
7
5
3
2
3
5
7
7
8

Fog (%)

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

Precipitation Probability (%)

7
9
6
15
13
2
15
21
25
36
44
52
62
70
77
82
84
84
71
58
38

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
13
14
15
16
16
17
17
17
17
18
19
20
18
16
15
15
14
14
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
88
88
88
87
85
87
87
85
87
90
92
92
93
95
93
90
90
87
86

Pressure (mb)

1015
1015
1015
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1013
1013
1013
1013
1013

Ozone (du)

418
418
419
419
419
418
418
418
418
418
418
418
418
417
417
417
417
417
418
419
420

Forecast for Clovelly, Devon, United Kingdom (51.00,-4.40)

Generated: 23/04/24 22:55:37. Forecast: 23/04/24 to 29/04/24. Timezone: UTC+1.00