Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

Waxing Gibbous 85%

16:32

05:07

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

Sun - Rise: 05:58, Set: 20:11, Transit: 13:05. Moon - Rise: 16:32, Set: 05:07. Civil Dark: 20:47 - 05:22. Nautical Dark: 21:32 - 04:36. Astro Dark: 22:24 - 03:43

Total Clouds (% Sky Obscured)

84
94
99
68
48
38
38
47
36
8
35
23
45
55
54
39
36
36
39
43
57
41
38
36

Low Clouds (% Sky Obscured)

89
92
99
55
31
30
34
49
44
3
3
3
6
20
16
18
18
22
23
38
55
46
41
36

Medium Clouds (% Sky Obscured)

0
14
24
18
11
0
0
0
0
0
25
21
37
25
16
20
18
12
19
2
3
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
3
3
3
6
13
4
7
25
44
7
8
4
0
4
3
0
1
4

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
15
7
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

10
7
6
6
7
7
6
5
5
5
4
4
6
9
11
11
11
11
11
11
11
10
9
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
5
4
4
6
6
5
3
2
0
1
1
2
2
2
3
5
6
7
8
7
7
8
8

Dew Point (°C)

8
6
5
5
6
5
4
3
2
1
1
0
0
-1
-1
0
1
2
2
3
3
3
4
5

Relative Humidity (%)

90
85
81
82
91
91
91
89
86
88
89
86
77
67
61
60
59
58
57
57
57
59
67
74

Pressure (mb)

1022
1023
1024
1025
1026
1026
1027
1027
1028
1028
1029
1029
1030
1030
1030
1030
1030
1030
1030
1030
1029
1029
1029
1029

Ozone (du)

374
373
373
372
374
373
373
374
378
379
380
381
381
381
380
380
379
376
373
371
370
370
369
369

Saturday 20

Waxing Gibbous 92%

17:41

05:16

20 OK
21 OK
22 OK
23 OK
00 OK
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 OK
19 Good

Sun - Rise: 05:56, Set: 20:12, Transit: 13:05. Moon - Rise: 17:41, Set: 05:16. Civil Dark: 20:49 - 05:19. Nautical Dark: 21:34 - 04:33. Astro Dark: 22:27 - 03:40

Total Clouds (% Sky Obscured)

30
25
25
22
34
40
39
61
85
88
97
95
94
96
92
90
99
93
93
85
80
68
34
2

Low Clouds (% Sky Obscured)

26
21
22
14
27
32
29
48
44
43
72
92
88
88
90
84
97
91
73
80
83
75
32
3

Medium Clouds (% Sky Obscured)

0
0
0
0
0
3
3
10
32
30
80
55
55
64
36
35
32
41
41
11
2
0
0
0

High Clouds (% Sky Obscured)

7
7
7
10
7
8
6
6
29
27
55
41
74
29
3
5
5
2
2
2
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
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
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
1
2
6
2
2
1
2
0
4
13
2
13
3
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)

5
4
4
3
2
3
2
3
3
3
3
4
6
9
10
11
11
11
11
11
11
10
10
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
4
4
4
4
3
3
2
3
3
3
2
2
3
4
3
3
3
3
3
4
5
4
4

Relative Humidity (%)

78
81
83
90
91
89
89
89
91
91
93
82
76
76
78
74
71
70
68
64
67
72
70
77

Pressure (mb)

1030
1030
1030
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1032
1031
1031
1031
1031
1031
1031
1031
1031
1031

Ozone (du)

367
367
370
372
375
375
371
367
368
375
382
386
390
392
394
394
395
395
394
394
392
393
392
391

Sunday 21

Waxing Gibbous 96%

18:52

05:26

20 Good
21 OK
22 OK
23 Good
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
18 Bad
19 Bad

Sun - Rise: 05:54, Set: 20:14, Transit: 13:05. Moon - Rise: 18:52, Set: 05:26. Civil Dark: 20:50 - 05:17. Nautical Dark: 21:36 - 04:31. Astro Dark: 22:30 - 03:37

Total Clouds (% Sky Obscured)

11
30
21
2
2
24
31
42
48
60
58
67
80
90
94
96
99
98
97
96
97
99
100
100

Low Clouds (% Sky Obscured)

10
23
16
2
2
18
23
22
26
35
31
32
35
67
70
79
86
85
85
86
84
83
83
84

Medium Clouds (% Sky Obscured)

0
0
0
0
2
2
3
26
3
2
3
30
57
79
87
91
95
95
94
94
96
98
99
99

High Clouds (% Sky Obscured)

0
0
0
0
0
3
6
5
32
28
33
38
44
51
76
72
70
66
70
55
73
85
98
54

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
0
7
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
Very Light Rain
None
None
None
None

Precipitation Probability (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
2
6
22
28
41
54
44
38
44
50

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
88
91
91
91
91
93
93
93
93
93
91
83
79
72
65
64
74
87
94
96
98
96
96

Pressure (mb)

1031
1032
1032
1032
1032
1033
1033
1032
1032
1032
1032
1032
1031
1031
1031
1030
1030
1030
1029
1029
1028
1027
1027
1026

Ozone (du)

397
400
397
399
403
406
407
406
407
406
405
402
399
402
405
408
409
411
410
411
413
415
414
414

Monday 22

Waxing Gibbous 99%

20:05

05:36

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
18 Bad
19 Bad

Sun - Rise: 05:52, Set: 20:16, Transit: 13:05. Moon - Rise: 20:05, Set: 05:36. Civil Dark: 20:52 - 05:15. Nautical Dark: 21:39 - 04:28. Astro Dark: 22:33 - 03:33

Total Clouds (% Sky Obscured)

100
100
90
80
69
72
75
78
78
78
78
76
73
70
71
66
73
74
76
79
84
88
85
73

Low Clouds (% Sky Obscured)

83
83
79
73
67
72
75
78
78
78
80
77
76
72
72
65
73
74
76
78
72
65
54
46

Medium Clouds (% Sky Obscured)

99
99
78
18
36
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
4
10

High Clouds (% Sky Obscured)

18
2
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
5
9
18
45
43

ISS Passover

Visibility (miles)

9
7
9
2
1
0
0
0
0
0
1
0
0
0
1
9
1
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

Very 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 (%)

57
52
41
34
38
31
22
20
23
24
31
21
25
18
15
25
21
19
8
18
14
3
5
0

Precipitation Amount (mm)

0.2
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
4
5
5
6
6
6
6
7
7
7
8
9
11
10
11
11
10
10
10
9
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
4
4
4
3
3
2
2
2
2
3
4
5
4
4
5
3
3
4
5
4
4

Relative Humidity (%)

98
96
98
98
98
100
100
100
98
98
96
98
98
98
98
90
78
81
70
64
72
75
75
77

Pressure (mb)

1026
1026
1025
1025
1025
1024
1024
1024
1024
1023
1024
1024
1024
1024
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

414
416
420
425
427
427
428
429
430
431
431
432
433
432
427
421
417
413
410
406
404
403
402
401

Tuesday 23

Waxing Gibbous 100%

20:05

05:48

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
18 Bad
19 Bad

Sun - Rise: 05:50, Set: 20:17, Transit: 13:04. Moon - Rise: 20:05, Set: 05:48. Civil Dark: 20:54 - 05:13. Nautical Dark: 21:41 - 04:26. Astro Dark: 22:36 - 03:30

Total Clouds (% Sky Obscured)

74
73
79
82
85
86
88
89
92
94
97
97
97
97
91
85
78
81
85
88
79
70
63
61

Low Clouds (% Sky Obscured)

40
38
42
44
45
46
48
48
65
81
98
90
83
72
68
66
66
74
83
91
82
76
68
68

Medium Clouds (% Sky Obscured)

16
73
74
62
53
54
52
54
40
31
19
38
59
74
60
45
30
28
24
18
14
12
10
7

High Clouds (% Sky Obscured)

47
55
49
15
4
3
2
2
2
3
4
26
49
71
65
49
29
22
19
15
13
13
10
13

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
8
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

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
1
0
4
5
6
6
6
6
7
7
4
18
24
29
29
31
31
30
29
29
24

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
3
2
2
1
2
2
2
2
1
2
1
3
2
2
3
4
4
8
7
7
7
7
7

Dew Point (°C)

5
4
3
2
2
2
2
2
2
2
3
3
3
3
4
4
4
4
4
5
5
5
6
6

Relative Humidity (%)

88
90
89
88
88
88
88
86
86
86
85
83
81
79
78
74
70
66
67
69
71
76
80
85

Pressure (mb)

1024
1024
1024
1024
1024
1024
1023
1023
1023
1022
1022
1022
1022
1022
1021
1021
1020
1020
1019
1019
1018
1018
1018
1018

Ozone (du)

399
399
399
399
399
398
398
397
396
396
396
396
396
397
397
398
398
399
399
399
399
399
398
397

Wednesday 24

Full Moon 99%

21:21

06:04

20 Bad
21 Bad
22 Bad
23 OK
00 OK
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
18 Bad
19 Bad

Sun - Rise: 05:48, Set: 20:19, Transit: 13:04. Moon - Rise: 21:21, Set: 06:04. Civil Dark: 20:56 - 05:11. Nautical Dark: 21:43 - 04:23. Astro Dark: 22:39 - 03:27

Total Clouds (% Sky Obscured)

58
55
45
35
29
34
40
50
48
51
54
59
64
68
80
92
100
94
87
80
80
80
82
77

Low Clouds (% Sky Obscured)

61
54
38
23
8
16
24
34
44
51
54
58
59
60
73
86
99
91
82
74
76
77
77
67

Medium Clouds (% Sky Obscured)

4
2
2
3
3
14
23
34
39
44
44
39
35
35
34
39
38
46
54
58
67
79
89
87

High Clouds (% Sky Obscured)

17
21
24
25
30
30
33
36
33
31
31
39
46
49
43
36
30
32
43
50
55
40
45
39

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
9
9
9
9
9
8
7
8
8
9
8
8
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
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

18
9
7
5
0
1
0
0
0
1
1
9
11
12
26
33
37
37
36
35
34
33
32
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)

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

Chance of Frost

Temperature (°C)

7
6
5
5
5
4
4
4
3
4
4
4
6
7
9
9
10
10
10
11
11
10
10
9

Feels Like (°C)

5
5
4
4
4
4
1
1
1
-0
-1
-1
2
3
4
5
6
7
8
8
8
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

88
91
94
96
96
96
94
93
91
91
93
94
91
88
84
85
87
87
87
87
85
90
91
95

Pressure (mb)

1018
1017
1017
1017
1017
1016
1016
1016
1015
1015
1014
1014
1014
1014
1013
1013
1013
1013
1012
1012
1011
1011
1011
1011

Ozone (du)

397
397
397
397
397
397
396
396
395
396
397
398
399
401
402
403
405
406
405
404
403
405
406
408

Thursday 25

Waning Gibbous 96%

22:39

06:25

20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 05:46, Set: 20:21, Transit: 13:04. Moon - Rise: 22:39, Set: 06:25. Civil Dark: 20:58 - 05:08. Nautical Dark: 21:45 - 04:21. Astro Dark: 22:42 - 03:23

Total Clouds (% Sky Obscured)

75
71
63
54
53
62
74
82
86
88
88

Low Clouds (% Sky Obscured)

60
52
40
31
22
37
49
59
57
54
50

Medium Clouds (% Sky Obscured)

84
84
81
73
67
72
75
77
72
66
68

High Clouds (% Sky Obscured)

33
32
18
8
9
16
32
48
60
67
75

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

23
18
14
10
1
1
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
3
3
3
3
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

8
8
7
6
6
5
5
4
4
4
4

Feels Like (°C)

5
5
5
5
5
5
2
3
2
3
3

Dew Point (°C)

7
7
6
5
5
4
4
3
3
3
3

Relative Humidity (%)

93
93
91
91
93
93
93
93
91
91
89

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

408
409
409
410
410
411
412
413
415
416
417

Forecast for Marlborough, Wiltshire, United Kingdom (51.42,-1.73)

Generated: 19/04/24 20:00:19. Forecast: 19/04/24 to 25/04/24. Timezone: UTC+1.00