Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 27

Waning Gibbous 83%

01:08

07:40

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
11 Bad
12 Bad
13 Bad

Sun - Rise: 05:42, Set: 20:24, Transit: 13:04. Moon - Rise: 01:08, Set: 07:40. Civil Dark: 21:02 - 05:04. Nautical Dark: 21:50 - 04:16. Astro Dark: 22:48 - 03:16

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
97
100

Low Clouds (% Sky Obscured)

88
82
77
100
91
100
100
100
98
100
100
100
100
100
100
100
100
100
100
100
93
89
91
88

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
93
100
96
54
50
55
55
53
83
94
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
67
100
100
100
77
92
51
50
28
50
0
49

ISS Passover

Visibility (miles)

3
9
6
4
3
1
4
1
0
0
0
0
0
0
0
1
1
0
1
1
1
0
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
0
0
0

Precipitation Type

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

Precipitation Probability (%)

1
0
59
94
95
95
95
95
95
95
95
95
95
95
95
72
67
70
73
71
94
95
90
94

Precipitation Amount (mm)

0
0
0.3
1.1
1.1
0.9
1.4
1.2
0.7
1.1
1.7
2.4
2.9
1.4
0.8
0.3
0.2
0.2
0.3
0
0.8
0.7
0.6
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
95
95
95
96
98
96
98
98
98
96
96
98
98
98
98
98
98
98
98
98
98
98
98

Pressure (mb)

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

Ozone (du)

449
449
448
447
442
440
438
439
441
440
436
440
447
450
450
453
455
458
458
459
458
453
451
450

Sunday 28

Waning Gibbous 74%

02:07

08:41

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

Sun - Rise: 05:40, Set: 20:26, Transit: 13:04. Moon - Rise: 02:07, Set: 08:41. Civil Dark: 21:03 - 05:02. Nautical Dark: 21:52 - 04:13. Astro Dark: 22:51 - 03:13

Total Clouds (% Sky Obscured)

100
100
100
93
50
13
13
1
7
28
5
4
8
43
54
92
81
100
68
91
83
63
93
92

Low Clouds (% Sky Obscured)

63
86
78
56
24
1
1
0
0
0
2
2
6
3
4
15
23
15
21
51
45
39
54
63

Medium Clouds (% Sky Obscured)

100
100
100
89
52
34
28
1
0
0
2
2
2
0
2
82
70
100
58
47
70
35
45
43

High Clouds (% Sky Obscured)

93
100
89
45
40
5
27
0
10
34
2
0
0
50
55
50
28
75
46
54
55
56
86
70

ISS Passover

Visibility (miles)

0
4
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

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
None

Precipitation Probability (%)

95
68
34
25
5
1
0
0
0
0
0
0
0
0
0
0
0
0
2
15
11
24
25
16

Precipitation Amount (mm)

0.9
0.4
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
10
10
11
12
11
10
8
7
5
5
6
6
7
7
7
8
9
11
14
17
17
18
18

Chance of Frost

Temperature (°C)

7
9
9
10
10
10
9
7
7
6
6
6
6
6
6
6
6
6
7
9
10
11
12
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
96
90
85
88
88
93
93
93
93
91
93
93
94
96
94
94
91
87
78
75
71
75

Pressure (mb)

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

Ozone (du)

445
441
438
437
435
435
440
445
443
432
430
438
442
444
446
447
449
448
445
445
444
444
444
442

Monday 29

Waning Gibbous 64%

02:50

09:58

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
11 Bad
12 Bad
13 Bad

Sun - Rise: 05:38, Set: 20:27, Transit: 13:04. Moon - Rise: 02:50, Set: 09:58. Civil Dark: 21:05 - 05:00. Nautical Dark: 21:54 - 04:11. Astro Dark: 22:54 - 03:09

Total Clouds (% Sky Obscured)

78
72
68
52
80
96
95
89
85
96
88
96
85
91
98
100
100
77
65
56
77
80
88
91

Low Clouds (% Sky Obscured)

66
35
52
36
30
12
30
35
37
49
83
76
76
79
70
61
66
46
40
37
33
28
25
54

Medium Clouds (% Sky Obscured)

4
40
46
34
52
89
86
84
81
65
75
55
70
67
50
76
76
66
52
36
61
65
84
81

High Clouds (% Sky Obscured)

45
40
38
9
48
55
40
60
3
79
59
68
13
26
59
74
57
39
19
3
8
18
5
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 (%)

7
2
18
4
1
0
2
4
4
9
14
20
13
4
1
0
0
0
0
0
3
6
10
19

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)

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

Chance of Frost

Temperature (°C)

12
12
12
12
12
11
11
10
9
9
9
9
9
9
9
8
8
8
10
11
12
13
14
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
71
75
76
80
81
78
80
78
75
77
84
85
88
90
88
88
90
88
84
77
74
70
70

Pressure (mb)

1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1010
1010
1010
1010
1010
1010
1009
1009
1009
1008

Ozone (du)

437
435
435
436
435
433
430
425
426
422
419
420
420
419
421
425
425
424
425
426
428
429
431
432

Tuesday 30

Waning Gibbous 53%

03:21

11:23

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
11 Bad
12 Bad
13 Bad

Sun - Rise: 05:36, Set: 20:29, Transit: 13:03. Moon - Rise: 03:21, Set: 11:23. Civil Dark: 21:07 - 04:58. Nautical Dark: 21:56 - 04:08. Astro Dark: 22:58 - 03:06

Total Clouds (% Sky Obscured)

95
97
98
99
100
96
92
88
92
96
100
98
96
95
94
93
93
94
97
99
99
100
100
100

Low Clouds (% Sky Obscured)

71
84
78
71
67
67
67
64
71
68
71
74
81
84
76
72
59
52
72
77
85
91
100
100

Medium Clouds (% Sky Obscured)

43
40
67
80
84
78
87
81
80
81
83
84
88
49
88
88
86
89
91
89
91
95
95
96

High Clouds (% Sky Obscured)

58
19
76
79
83
73
64
55
62
85
100
89
78
21
55
45
40
52
64
75
64
55
5
47

ISS Passover

Visibility (miles)

9
9
9
6
7
3
5
9
9
9
9
9
9
7
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
Very Light Rain
None
None
None
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

33
41
56
57
59
61
71
40
27
20
6
5
5
4
1
0
4
11
13
27
52
46
45
58

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

18
17
16
14
12
10
10
10
11
11
10
7
5
6
6
5
5
5
6
5
5
5
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
12
14
14
13
13
12
11
11
10
10
10
9
9
9
8
8
8
9
9
10
10
9
10

Relative Humidity (%)

76
84
95
96
96
98
98
96
96
95
96
96
98
98
98
96
98
98
95
90
93
90
86
86

Pressure (mb)

1008
1008
1008
1008
1008
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1009

Ozone (du)

433
430
430
429
427
429
429
428
426
424
422
420
421
420
417
415
413
410
408
408
408
407
409
410

Wednesday 1

Third Quarter 41%

03:43

12:52

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
11 Bad
12 Bad
13 Bad

Sun - Rise: 05:34, Set: 20:31, Transit: 13:03. Moon - Rise: 03:43, Set: 12:52. Civil Dark: 21:09 - 04:56. Nautical Dark: 21:59 - 04:06. Astro Dark: 23:01 - 03:02

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
96
93
90
81
71
58
63
64
66
69
71
76
86

Low Clouds (% Sky Obscured)

100
88
87
75
58
47
31
12
15
8
2
9
13
14
11
8
9
20
35
53
53
53
55
53

Medium Clouds (% Sky Obscured)

90
96
53
55
51
58
73
100
100
100
100
95
91
88
83
80
75
68
57
40
46
55
65
68

High Clouds (% Sky Obscured)

4
50
62
78
95
97
98
100
96
93
44
45
47
57
67
75
83
76
73
64
49
44
44
64

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
0
0
0
0
0
0
0

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

Precipitation Probability (%)

54
49
40
44
20
13
8
3
2
2
4
14
20
25
62
85
95
95
84
65
62
63
65
57

Precipitation Amount (mm)

0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.8
0.7
0.4
0
0.2
0.2
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
88
87
88
91
93
96
96
96
93
96
96
96
98
98
98
100
98
98
98
98
98
96

Pressure (mb)

1008
1008
1008
1008
1009
1009
1009
1009
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

407
406
406
406
405
403
400
398
397
395
392
391
389
387
385
383
380
378
378
377
377
375
374
373

Thursday 2

Waning Crescent 29%

04:00

No Set

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 OK
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 05:33, Set: 20:32, Transit: 13:03. Moon - Rise: 04:00, Set: No Set. Civil Dark: 21:11 - 04:54. Nautical Dark: 22:01 - 04:03. Astro Dark: 23:04 - 02:59

Total Clouds (% Sky Obscured)

93
100
100
100
100
95
90
81
74
65
50
45
40
40
50
65
35
65
65
55
56
69
83
82

Low Clouds (% Sky Obscured)

54
54
51
45
43
40
37
34
32
34
36
41
61
67
64
60
48
52
59
61
62
67
70
60

Medium Clouds (% Sky Obscured)

73
79
61
46
33
36
31
21
27
33
35
35
38
41
41
46
51
56
57
57
65
71
78
72

High Clouds (% Sky Obscured)

78
93
94
93
94
72
51
30
47
63
75
75
75
75
70
70
64
65
65
65
72
74
77
74

ISS Passover

Visibility (miles)

0
0
0
0
0
0
2
3
4
6
8
9
9
9
9
9
9
9
9
9
9
9
9
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
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

47
29
44
54
62
56
49
39
34
27
13
15
14
10
10
8
2
10
13
13
16
18
20
26

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
96
98
96
96
95
95
92
90
89

Pressure (mb)

1009
1009
1009
1009
1009
1010
1010
1011
1012
1012
1012
1013
1013
1013
1013
1014
1014
1015
1015
1015
1016
1015
1015
1015

Ozone (du)

372
372
371
371
370
369
370
370
371
371
372
372
371
371
370
370
371
371
370
370
370
370
370
370

Friday 3

Waning Crescent 19%

04:14

14:20

14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 Bad
05 Bad
06 Bad

Sun - Rise: 05:31, Set: 20:34, Transit: 13:03. Moon - Rise: 04:14, Set: 14:20. Civil Dark: 21:13 - 04:52. Nautical Dark: 22:03 - 04:01. Astro Dark: 23:08 - 02:55

Total Clouds (% Sky Obscured)

81
75
69
63
54
41
29
19
24
25
25
25
25
25
49
74
98

Low Clouds (% Sky Obscured)

58
53
46
42
39
25
13
0
0
1
1
7
10
11
12
23
30

Medium Clouds (% Sky Obscured)

66
62
44
31
18
14
7
1
0
0
0
0
0
0
14
26
35

High Clouds (% Sky Obscured)

77
65
55
55
55
49
53
52
58
59
60
60
55
46
64
76
86

ISS Passover

Visibility (miles)

7
5
4
5
6
6
7
8
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

Precipitation Type

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

Precipitation Probability (%)

29
31
39
45
49
42
32
15
14
10
3
6
6
2
15
19
20

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
16
17
16
16
16
15
13
12
11
11
10
9
9
8
9
9

Feels Like (°C)

15
15
15
15
15
15
15
14
14
12
12
11
7
7
6
6
7

Dew Point (°C)

14
14
14
14
14
14
13
12
11
10
10
10
9
9
8
8
8

Relative Humidity (%)

87
87
86
86
86
86
89
92
95
95
96
98
98
98
96
96
96

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1016
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

368
367
365
365
365
365
364
363
363
362
362
362
361
361
360
359
359

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

Generated: 27/04/24 14:01:38. Forecast: 27/04/24 to 03/05/24. Timezone: UTC+1.00