Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Waxing Gibbous 100%

19:58

05:42

08 Bad
09 Bad
10 Bad
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 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 05:43, Set: 20:11, Transit: 12:58. Moon - Rise: 19:58, Set: 05:42. Civil Dark: 20:48 - 05:06. Nautical Dark: 21:35 - 04:19. Astro Dark: 22:30 - 03:23

Total Clouds (% Sky Obscured)

99
98
100
100
100
100
100
100
98
69
91
38
32
25
33
27
86
89
88
93
92
93
89
90

Low Clouds (% Sky Obscured)

88
100
100
98
100
86
100
99
95
69
86
45
36
28
33
31
78
82
80
87
85
87
79
79

Medium Clouds (% Sky Obscured)

23
41
46
10
43
32
33
35
25
0
0
0
3
3
3
3
0
3
3
3
3
3
3
0

High Clouds (% Sky Obscured)

71
66
40
44
85
99
99
92
66
7
4
7
4
0
3
0
0
3
0
0
3
4
4
3

ISS Passover

Visibility (miles)

9
8
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
21
14
30
35
37
33
23
13
6
4
0
0
0
0
0
0
0
0
2
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
91
91
88
85
78
62
68
74
67
59
64
65
70
72
76
78
74
70
70
75
80
76
71

Pressure (mb)

1024
1024
1023
1023
1023
1023
1022
1022
1021
1021
1021
1021
1021
1022
1022
1021
1021
1020
1020
1020
1020
1019
1019
1019

Ozone (du)

396
395
396
395
395
395
393
391
390
390
393
398
401
402
403
405
406
409
414
418
414
413
410
411

Wednesday 24

Full Moon 99%

21:14

05:57

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

Sun - Rise: 05:41, Set: 20:13, Transit: 12:58. Moon - Rise: 21:14, Set: 05:57. Civil Dark: 20:50 - 05:04. Nautical Dark: 21:37 - 04:16. Astro Dark: 22:33 - 03:20

Total Clouds (% Sky Obscured)

33
35
78
81
87
77
76
82
86
70
51
15
14
17
55
65
48
60
99
100
100
100
100
99

Low Clouds (% Sky Obscured)

42
37
68
75
87
65
60
91
73
51
45
24
20
23
32
52
48
34
45
79
70
63
50
47

Medium Clouds (% Sky Obscured)

0
0
0
0
0
30
10
45
43
32
18
0
0
0
0
0
0
0
33
50
45
63
45
42

High Clouds (% Sky Obscured)

4
4
3
0
0
0
0
0
0
0
0
0
0
0
3
8
30
58
99
88
100
100
84
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 (%)

1
0
1
1
3
2
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
2
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
10
10
10
10
11
12
11
10
10
9
7
5
2
1
1
2
4
4
5
5
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

0
-1
-2
-3
-3
-3
-3
-2
-2
-2
-2
-1
0
1
0
0
-0
-0
-1
-1
-1
-1
-0
1

Relative Humidity (%)

68
57
50
45
41
39
41
43
43
44
46
51
57
63
65
66
65
68
69
68
65
67
70
76

Pressure (mb)

1019
1018
1018
1018
1017
1017
1016
1016
1015
1015
1015
1015
1015
1015
1014
1014
1013
1013
1012
1011
1010
1010
1009
1009

Ozone (du)

412
413
413
415
416
418
417
416
419
417
414
414
418
414
412
411
410
408
407
407
406
405
405
405

Thursday 25

Waning Gibbous 96%

22:32

06:18

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
07 Bad

Sun - Rise: 05:39, Set: 20:15, Transit: 12:58. Moon - Rise: 22:32, Set: 06:18. Civil Dark: 20:52 - 05:02. Nautical Dark: 21:39 - 04:14. Astro Dark: 22:36 - 03:16

Total Clouds (% Sky Obscured)

98
100
100
100
100
100
99
100
95
94
100
96
93
99
97
95
95
96
98
96
95
98
99
98

Low Clouds (% Sky Obscured)

50
22
43
49
46
20
54
80
61
54
67
65
76
79
81
78
73
64
66
52
40
51
74
66

Medium Clouds (% Sky Obscured)

70
80
100
100
99
100
53
55
75
75
100
91
88
90
94
85
60
76
93
92
87
97
98
95

High Clouds (% Sky Obscured)

69
96
100
100
100
79
6
11
38
46
55
60
60
84
36
4
34
12
69
60
57
72
80
80

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
5
4
9
6
9
8
9
9
9
9
9
9
9
9
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
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
1
17
17
21
32
44
45
38
28
24
28
28
7
11
1
0
1
0
4
32
31
34

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
66
57
54
61
68
58
65
72
79
83
81
82
85
87
85
88
91
91
90
90
91
93
91

Pressure (mb)

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

Ozone (du)

405
405
406
406
405
407
406
406
405
406
409
411
412
410
410
416
420
422
423
424
424
423
423
423

Friday 26

Waning Gibbous 91%

23:50

06:48

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
07 Bad

Sun - Rise: 05:37, Set: 20:16, Transit: 12:58. Moon - Rise: 23:50, Set: 06:48. Civil Dark: 20:54 - 05:00. Nautical Dark: 21:42 - 04:11. Astro Dark: 22:39 - 03:13

Total Clouds (% Sky Obscured)

97
96
97
99
100
100
100
99
99
99
98
99
99
100
100
100
100
99
97
96
87
79
70
79

Low Clouds (% Sky Obscured)

64
59
72
83
97
96
92
92
80
70
66
68
74
78
71
63
49
56
59
61
61
56
45
40

Medium Clouds (% Sky Obscured)

92
90
93
97
100
99
99
99
95
91
86
90
95
100
100
100
100
98
96
95
86
76
50
47

High Clouds (% Sky Obscured)

85
85
86
87
88
83
77
80
84
89
93
96
84
96
95
97
100
85
67
2
2
4
50
63

ISS Passover

Visibility (miles)

9
3
9
9
9
5
8
8
6
9
9
9
9
3
8
9
9
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

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

Precipitation Probability (%)

57
43
21
22
33
48
47
51
45
42
35
36
68
75
47
44
45
50
49
35
28
25
16
14

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
93
95
95
87
81
80
70
71
72
73
76
81
91
95
91
93
95
93
96
95
95
93
93

Pressure (mb)

1004
1004
1004
1004
1003
1003
1003
1003
1002
1002
1002
1002
1002
1003
1002
1002
1002
1001
1001
1001
1000
1000
1000
1000

Ozone (du)

423
424
428
429
430
432
431
430
430
430
430
432
432
432
433
435
435
436
439
439
439
435
434
436

Saturday 27

Waning Gibbous 83%

01:02

07:33

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
07 Bad

Sun - Rise: 05:35, Set: 20:18, Transit: 12:58. Moon - Rise: 01:02, Set: 07:33. Civil Dark: 20:55 - 04:57. Nautical Dark: 21:44 - 04:09. Astro Dark: 22:42 - 03:09

Total Clouds (% Sky Obscured)

89
100
100
100
100
100
100
100
100
100
100
100
59
99
51
68
100
93
87
80
85
91
96
93

Low Clouds (% Sky Obscured)

32
32
53
72
93
87
81
76
78
79
73
82
60
68
51
50
70
71
71
72
79
86
93
85

Medium Clouds (% Sky Obscured)

86
100
100
100
65
100
99
100
100
100
100
45
52
99
63
57
97
70
42
15
15
15
14
29

High Clouds (% Sky Obscured)

83
100
100
100
94
100
100
100
100
100
100
100
25
54
21
14
2
2
3
4
5
6
7
32

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

13
10
48
51
55
75
80
67
55
44
31
58
83
92
95
95
95
62
49
35
38
36
35
36

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.4
0.3
0
0
0
0.2
0.5
0.6
1.2
1.8
2.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
87
83
84
89
90
92
92
92
92
92
93
95
95
95
91
91
93
93
93
91
91
90
90

Pressure (mb)

1000
1000
999
999
999
999
999
999
999
998
998
998
998
998
998
998
998
998
999
1000
1001
1001
1002
1002

Ozone (du)

437
438
438
439
439
438
438
434
432
432
433
435
439
439
441
443
446
444
441
439
436
435
434
433

Sunday 28

Waning Gibbous 74%

02:01

No Set

08 Bad
09 Bad
10 Bad
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 Good
00 Good
01 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 05:33, Set: 20:20, Transit: 12:57. Moon - Rise: 02:01, Set: No Set. Civil Dark: 20:57 - 04:55. Nautical Dark: 21:46 - 04:06. Astro Dark: 22:46 - 03:06

Total Clouds (% Sky Obscured)

91
88
80
69
63
64
64
60
49
38
29
30
33
34
23
12
1
28
52
77
81
85
89
91

Low Clouds (% Sky Obscured)

77
68
57
45
33
37
40
42
37
31
26
27
26
25
17
11
2
16
31
46
51
55
64
69

Medium Clouds (% Sky Obscured)

43
57
49
38
23
20
21
20
13
7
0
0
0
0
0
0
0
18
37
55
53
47
45
46

High Clouds (% Sky Obscured)

55
64
55
46
36
27
15
0
0
0
0
0
0
0
0
0
0
9
15
22
28
38
56
56

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 (%)

37
38
39
40
41
44
46
47
42
35
24
19
14
0
0
0
0
1
1
0
6
10
13
16

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
13
14
15
15
16
15
15
14
13
11
10
8
7
6
6
6
6
6
5
5
5
5
5

Chance of Frost

Temperature (°C)

10
11
12
13
13
14
14
14
15
14
14
14
13
12
11
11
10
10
10
9
9
9
9
9

Feels Like (°C)

6
6
7
7
7
7
11
11
11
11
11
11
10
11
11
11
11
10
9
9
9
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

87
84
80
74
66
61
59
58
56
59
62
66
69
73
76
78
80
82
85
88
90
90
88
90

Pressure (mb)

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

Ozone (du)

435
437
439
440
440
440
441
442
442
442
442
442
443
444
445
446
447
448
446
444
442
442
442
442

Monday 29

Waning Gibbous 64%

02:44

08:34

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

Sun - Rise: 05:31, Set: 20:21, Transit: 12:57. Moon - Rise: 02:44, Set: 08:34. Civil Dark: 20:59 - 04:53. Nautical Dark: 21:48 - 04:04. Astro Dark: 22:49 - 03:02

Total Clouds (% Sky Obscured)

92
94
83
70
56
50
47
42
35
37
34
34
34
34
26
18
10
12
14
14
11
8
4

Low Clouds (% Sky Obscured)

78
78
74
66
62
52
44
39
37
34
32
29
29
29
27
21
9
14
19
21
19
18
16

Medium Clouds (% Sky Obscured)

46
41
23
11
0
4
8
9
6
3
0
0
0
0
1
1
2
2
2
2
2
2
3

High Clouds (% Sky Obscured)

54
54
39
20
1
1
0
0
0
1
1
4
5
7
6
4
3
3
3
4
3
2
1

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

Fog (%)

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

Precipitation Probability (%)

15
10
27
35
42
37
30
14
18
15
5
6
3
0
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
12
13
14
14
15
15
15
16
15
14
14
13
12
11
10
10
9
9
8
8
8
8

Feels Like (°C)

9
9
9
10
10
10
15
14
13
13
14
13
11
11
11
11
10
9
8
8
9
8
8

Dew Point (°C)

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

Relative Humidity (%)

78
68
62
55
49
43
44
43
44
47
51
56
61
67
72
74
76
77
81
84
88
88
87

Pressure (mb)

1013
1013
1013
1014
1014
1014
1014
1014
1014
1015
1015
1015
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

443
444
445
445
444
444
443
442
441
440
439
437
438
439
440
441
443
444
445
447
448
449
450

Forecast for London, Greater London, United Kingdom (51.51,-0.13)

Generated: 23/04/24 08:52:20. Forecast: 23/04/24 to 29/04/24. Timezone: UTC+1.00