Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 24

Full Moon 99%

21:20

05:50

18 Bad
19 Bad
20 Bad
21 Bad
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

Sun - Rise: 05:36, Set: 20:17, Transit: 12:57. Moon - Rise: 21:20, Set: 05:50. Civil Dark: 20:55 - 04:58. Nautical Dark: 21:45 - 04:07. Astro Dark: 22:46 - 03:05

Total Clouds (% Sky Obscured)

98
97
92
63
42
87
100
100
99
93
72
48
53
92
100
100
83
100
100
98
100
100
100
100

Low Clouds (% Sky Obscured)

68
65
53
25
25
67
54
62
65
70
62
34
56
83
89
86
32
55
88
83
73
72
67
71

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
8
18
52
44
60
32
35
45
50
50
21
55
55
54
96
82
62
50

High Clouds (% Sky Obscured)

0
0
0
0
39
63
100
100
90
44
5
0
0
10
35
16
12
2
24
38
95
44
39
4

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
6
34
50
29
37
53
53
53
42
38
35

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
71
75
80
83
86
86
88
88
88
91
93
96
86
72
74
75
73
75
74
69
73
79
73

Pressure (mb)

1014
1014
1014
1014
1013
1013
1012
1011
1010
1009
1008
1007
1007
1006
1006
1005
1004
1004
1003
1003
1003
1003
1003
1003

Ozone (du)

415
415
413
412
411
413
415
416
418
418
419
420
421
423
428
432
434
435
436
437
436
435
435
435

Thursday 25

Waning Gibbous 96%

22:40

06:09

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

Sun - Rise: 05:34, Set: 20:18, Transit: 12:57. Moon - Rise: 22:40, Set: 06:09. Civil Dark: 20:57 - 04:55. Nautical Dark: 21:47 - 04:05. Astro Dark: 22:50 - 03:01

Total Clouds (% Sky Obscured)

98
83
68
40
31
25
11
16
30
50
55
60
30
23
35
83
52
100
86
88
88
90
84
99

Low Clouds (% Sky Obscured)

66
62
38
4
1
1
3
14
30
37
39
39
22
2
2
41
20
56
50
58
42
40
39
42

Medium Clouds (% Sky Obscured)

45
15
19
23
20
15
0
0
2
2
2
2
2
0
0
39
30
100
63
64
69
75
80
83

High Clouds (% Sky Obscured)

0
3
32
3
3
3
5
2
6
26
35
42
12
25
49
70
70
65
68
62
16
32
38
97

ISS Passover

Visibility (miles)

6
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 (%)

28
15
3
1
0
0
0
1
1
1
1
1
5
1
2
5
14
12
26
30
26
23
17
9

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

Chance of Frost

Temperature (°C)

7
7
6
4
3
2
2
1
1
1
0
0
0
1
4
6
7
9
9
9
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

3
4
3
2
1
0
0
-0
-1
-1
-1
-1
-1
-0
1
2
2
2
1
1
1
1
2
3

Relative Humidity (%)

74
81
83
83
85
86
88
89
91
92
94
92
92
93
85
78
70
64
59
58
57
57
59
66

Pressure (mb)

1003
1003
1003
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1005
1005
1006
1006
1006
1006
1006
1006
1006
1006
1006

Ozone (du)

435
435
435
436
437
437
438
438
437
437
436
434
432
434
436
435
434
434
435
436
437
440
443
443

Friday 26

Waning Gibbous 91%

00:00

06:37

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 05:32, Set: 20:20, Transit: 12:57. Moon - Rise: 00:00, Set: 06:37. Civil Dark: 20:59 - 04:53. Nautical Dark: 21:50 - 04:02. Astro Dark: 22:53 - 02:57

Total Clouds (% Sky Obscured)

98
73
76
77
62
96
68
92
100
100
100
97
98
100
100
100
100
100
96
97
99
100
100
100

Low Clouds (% Sky Obscured)

46
39
5
3
9
16
37
36
38
41
42
44
37
37
68
44
73
89
81
87
94
100
97
94

Medium Clouds (% Sky Obscured)

89
55
54
42
44
75
71
71
54
100
100
95
97
100
100
100
100
100
92
90
97
72
76
94

High Clouds (% Sky Obscured)

93
36
33
47
28
43
35
33
100
97
99
67
81
50
87
24
33
63
44
52
63
73
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
3
6
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

5
1
0
0
0
0
0
0
0
0
0
0
2
6
22
32
68
88
80
72
66
66
71
82

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.7
0.5
0.5
0.3
0.3
0.3
0.5

Wind Speed/Direction (mph)

10
9
7
7
6
6
5
5
5
5
6
7
7
8
10
11
13
13
13
14
15
15
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
4
3
3
1
0
0
0
-0
-1
-0
-1
1
2
3
4
3
4
4
4
3
3
3

Dew Point (°C)

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

Relative Humidity (%)

70
75
81
85
88
89
89
86
88
88
86
83
85
82
81
79
74
74
87
93
93
91
90
88

Pressure (mb)

1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1006
1006
1006
1005

Ozone (du)

444
444
445
446
446
445
443
440
440
439
439
438
439
439
440
441
442
445
446
444
437
429
429
430

Saturday 27

Waning Gibbous 83%

01:14

07:20

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 05:30, Set: 20:22, Transit: 12:57. Moon - Rise: 01:14, Set: 07:20. Civil Dark: 21:01 - 04:51. Nautical Dark: 21:52 - 03:59. Astro Dark: 22:57 - 02:53

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
95
89
82
89
94
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

90
91
92
93
83
74
67
72
81
89
86
84
81
63
60
69
79
78
76
78
80
82
75
62

Medium Clouds (% Sky Obscured)

100
100
88
100
100
62
62
85
100
100
100
100
100
83
19
0
13
27
40
33
29
19
33
37

High Clouds (% Sky Obscured)

100
60
30
14
78
89
100
100
100
100
89
81
75
70
69
64
12
35
100
81
52
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
1
2
4
9
9
9
9
9
9
7
9
5
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
Very Light Rain
Very Light Rain
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

95
85
74
63
53
45
31
37
45
82
95
95
95
81
57
37
53
59
74
76
71
75
82
93

Precipitation Amount (mm)

0.7
0.5
0.3
0.2
0
0
0
0
0
0.5
1.1
1.9
0.7
0.4
0
0
0
0
0.4
0.4
0.3
0.4
0.5
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
84
87
88
91
91
95
95
96
96
100
98
95
93
95
88
83
84
89
80
87
84
80
80

Pressure (mb)

1005
1005
1005
1005
1004
1004
1003
1002
1002
1001
1001
1001
1001
1001
1002
1002
1002
1002
1003
1003
1003
1003
1002
1003

Ozone (du)

428
423
419
418
417
417
416
414
409
408
412
415
416
418
424
432
436
435
432
437
439
438
440
441

Sunday 28

Waning Gibbous 74%

02:13

08:21

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

Sun - Rise: 05:28, Set: 20:24, Transit: 12:57. Moon - Rise: 02:13, Set: 08:21. Civil Dark: 21:03 - 04:48. Nautical Dark: 21:55 - 03:56. Astro Dark: 23:01 - 02:49

Total Clouds (% Sky Obscured)

100
99
98
98
97
96
95
81
67
47
42
36
30
35
39
39
58
77
89
90
89
87
84
75

Low Clouds (% Sky Obscured)

72
76
78
77
78
76
84
59
31
10
10
10
10
5
0
5
22
39
53
41
36
26
24
21

Medium Clouds (% Sky Obscured)

80
97
94
37
91
85
85
76
65
53
4
1
0
0
0
0
12
23
35
32
26
25
23
22

High Clouds (% Sky Obscured)

100
83
65
53
52
51
55
60
60
55
2
0
0
0
0
0
0
0
0
1
2
2
16
29

ISS Passover

Visibility (miles)

7
3
6
9
9
9
9
6
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

Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
74
43
36
31
41
31
30
21
8
2
1
4
7
9
14
18
20
20
20
20
22
26

Precipitation Amount (mm)

0.9
1.1
0.4
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
8
10
10
12
14
13
13
13
12
13
11
10
9
8
9
10
11
12
12
12
12
12
11

Chance of Frost

Temperature (°C)

13
12
11
10
9
9
9
8
8
7
7
7
6
6
7
9
11
12
12
13
14
14
15
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
92
96
91
93
95
95
98
96
96
94
96
94
94
90
87
83
81
80
79
74
70
67
71

Pressure (mb)

1003
1003
1003
1005
1005
1006
1006
1007
1008
1009
1010
1010
1011
1012
1015
1016
1017
1017
1017
1017
1017
1018
1018
1018

Ozone (du)

441
439
442
445
448
450
449
446
442
437
433
425
418
415
418
420
423
427
431
436
436
436
437
436

Monday 29

Waning Gibbous 64%

02:55

09:39

18 Bad
19 Bad
20 OK
21 OK
22 OK
23 OK
00 Good
01 OK
02 OK
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

Sun - Rise: 05:26, Set: 20:25, Transit: 12:57. Moon - Rise: 02:55, Set: 09:39. Civil Dark: 21:05 - 04:46. Nautical Dark: 21:57 - 03:54. Astro Dark: 23:05 - 02:45

Total Clouds (% Sky Obscured)

60
43
30
16
12
9
7
21
33
42
46
41
53
70
80
96
92
91
88
86
86
84
86
88

Low Clouds (% Sky Obscured)

18
18
17
11
9
4
1
8
12
16
23
31
36
35
35
34
38
42
47
56
63
69
65
56

Medium Clouds (% Sky Obscured)

21
14
7
0
0
0
0
16
32
48
61
65
60
37
17
1
23
44
65
55
45
40
44
53

High Clouds (% Sky Obscured)

39
28
16
0
1
2
3
3
3
3
5
7
10
37
64
94
91
88
85
56
35
16
27
35

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

31
26
18
0
0
0
0
0
0
0
28
43
59
64
62
53
44
37
35
35
39
49
63
74

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
11
10
9
8
8
7
7
7
6
7
7
7
9
10
12
13
14
15
15
14
14
13

Feels Like (°C)

10
11
9
9
9
9
9
8
6
6
6
5
5
5
6
7
7
7
8
8
13
12
12
12

Dew Point (°C)

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

Relative Humidity (%)

76
80
84
88
93
93
95
94
94
94
93
91
91
91
85
81
79
76
75
73
75
76
79
84

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1015
1015

Ozone (du)

436
436
433
430
428
428
429
429
431
432
434
434
433
432
432
432
431
431
431
431
431
430
430
429

Tuesday 30

Waning Gibbous 53%

03:23

11:08

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
11 Bad
12 Bad

Sun - Rise: 05:24, Set: 20:27, Transit: 12:57. Moon - Rise: 03:23, Set: 11:08. Civil Dark: 21:07 - 04:44. Nautical Dark: 22:00 - 03:51. Astro Dark: 23:09 - 02:40

Total Clouds (% Sky Obscured)

75
70
80
85
90
95
100
100
100
95
95
90
85
86
87
88
92
97
100

Low Clouds (% Sky Obscured)

45
45
45
40
45
45
49
54
54
44
33
27
20
21
23
27
28
26
23

Medium Clouds (% Sky Obscured)

57
48
39
33
28
22
19
32
46
59
61
63
65
65
65
70
68
65
63

High Clouds (% Sky Obscured)

41
51
58
65
65
65
65
65
60
60
60
55
55
47
53
55
70
85
100

ISS Passover

Visibility (miles)

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

Precipitation Type

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 (%)

81
72
63
52
44
41
38
35
26
13
11
8
1
1
1
0
2
3
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
11
11
10
10
10
10
10
9
8
8
7
7
8
10
12
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
96
96
96
96
96
96
96
95
95
95
95
95
95
90
85
83
75
69

Pressure (mb)

1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1016

Ozone (du)

428
427
427
428
429
430
431
432
431
430
429
429
429
429
430
431
432
429
427

Forecast for Boston, Lincolnshire, United Kingdom (52.98,-0.02)

Generated: 24/04/24 18:47:36. Forecast: 24/04/24 to 30/04/24. Timezone: UTC+1.00