Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 27

Waning Gibbous 60%

23:28

13:22

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

Sun - Rise: 05:25, Set: 21:01, Transit: 13:13. Moon - Rise: 23:28, Set: 13:22. Civil Dark: 21:42 - 04:44. Nautical Dark: 22:39 - 03:49. Astro Dark: 00:03 - 02:28

Total Clouds (% Sky Obscured)

31
20
16
44
29
33
38
52
58
56
86
98
73
43
30
25
19
6
15
0
0
0
0
0

Low Clouds (% Sky Obscured)

25
19
14
48
31
36
35
40
46
52
55
69
50
24
21
21
16
6
12
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
31
44
36
4
37
57
49
26
8
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

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
2
15
10
9
19
24
21
10
9
3
10
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
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
12
11
13
15
15
16
16
16
16
17
17
17
16
17
18
18
17
15
15
14
14
13
13

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
93
86
76
67
60
54
51
50
56
55
55
53
65
76
86
90
93
95
95
93
95

Pressure (mb)

1013
1013
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1016
1017
1017
1018
1019
1020
1021
1021
1022
1022
1023

Ozone (du)

373
373
370
365
362
361
361
364
368
369
373
377
381
385
380
378
377
374
374
377
370
365
363
361

Sunday 28

Third Quarter 49%

23:45

14:49

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

Sun - Rise: 05:26, Set: 21:00, Transit: 13:13. Moon - Rise: 23:45, Set: 14:49. Civil Dark: 21:41 - 04:45. Nautical Dark: 22:36 - 03:52. Astro Dark: 23:58 - 02:32

Total Clouds (% Sky Obscured)

0
15
6
2
32
28
55
55
55
55
46
37
15
48
45
31
3
7
40
23
30
54
62
55

Low Clouds (% Sky Obscured)

0
14
6
0
0
13
31
35
41
34
37
22
3
36
41
24
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
25
10
8
0
0
0
0
0
0
0
0
13
20
20

High Clouds (% Sky Obscured)

0
0
0
2
29
17
60
60
60
59
5
3
2
6
2
2
2
6
35
22
35
35
30
22

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 (%)

1
45
75
74
1
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
0
0
0
0
0
0
0
0
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
0

Wind Speed/Direction (mph)

1
2
2
1
1
1
2
3
5
6
6
6
6
5
5
5
6
5
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

11
11
11
12
14
17
18
19
20
21
21
22
22
22
22
22
20
18
16
15
14
14
13
13

Feels Like (°C)

13
12
12
14
17
20
21
22
21
22
22
23
23
23
23
23
21
19
18
14
14
13
12
12

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
88
82
74
68
59
55
51
49
49
48
48
50
59
71
80
82
83
83
79
77
75

Pressure (mb)

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

Ozone (du)

359
357
356
356
356
355
356
356
354
352
350
348
347
344
340
336
333
332
330
330
329
327
327
326

Monday 29

Waning Crescent 37%

00:09

16:16

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

Sun - Rise: 05:28, Set: 20:58, Transit: 13:13. Moon - Rise: 00:09, Set: 16:16. Civil Dark: 21:39 - 04:47. Nautical Dark: 22:34 - 03:54. Astro Dark: 23:53 - 02:37

Total Clouds (% Sky Obscured)

62
58
48
20
30
36
13
16
27
21
20
19
21
28
93
94
59
49
46
100
99
87
72
58

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
10
17
16
19
20
23
24
25
18
0
2
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

25
20
15
2
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
5
4
2
1
3

High Clouds (% Sky Obscured)

24
20
20
11
20
18
6
4
7
3
2
0
0
6
81
87
59
50
54
100
98
89
74
61

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
0
0
0
0
0
0
0
0
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
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
13
14
16
18
19
21
22
23
24
25
25
25
24
24
23
21
19
18
17
17
16
16

Feels Like (°C)

12
12
12
14
16
17
19
22
23
24
25
26
26
26
26
24
23
21
19
19
18
18
17
16

Dew Point (°C)

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

Relative Humidity (%)

75
76
76
75
70
67
63
59
54
50
48
47
47
47
48
58
65
70
75
79
83
85
83
85

Pressure (mb)

1023
1023
1023
1023
1023
1023
1022
1022
1021
1021
1020
1020
1019
1019
1018
1018
1018
1018
1019
1018
1018
1018
1018
1017

Ozone (du)

326
326
326
326
326
325
324
323
323
322
323
325
326
326
327
327
327
325
325
324
323
322
320
319

Tuesday 30

Waning Crescent 27%

00:42

17:39

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:29, Set: 20:56, Transit: 13:13. Moon - Rise: 00:42, Set: 17:39. Civil Dark: 21:37 - 04:49. Nautical Dark: 22:32 - 03:56. Astro Dark: 23:49 - 02:41

Total Clouds (% Sky Obscured)

69
79
87
93
97
100
100
76
77
89
100
100
100
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
4
10
16
17
18
17
12
7
2
12
27
44
60
72
80
86
90
93

Medium Clouds (% Sky Obscured)

0
0
0
1
1
2
6
12
16
40
60
64
75
74
97
92
90
87
91
89
97
96
95
95

High Clouds (% Sky Obscured)

71
82
85
94
97
100
100
66
64
64
95
99
100
97
100
49
97
100
100
100
100
100
100
100

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
4
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
1
1
1
2
2
0
15
24
33
36
42
51
67
83
95
93
92
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.6
0.9
0.6
0.7
1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
16
16
16
17
19
21
22
24
25
26
26
26
26
25
24
23
22
21
20
20
19
19
19

Feels Like (°C)

16
16
15
16
18
19
21
22
25
26
26
27
27
26
26
25
24
22
21
21
20
19
21
20

Dew Point (°C)

13
14
13
13
13
14
14
14
13
13
12
13
14
14
13
15
15
14
14
15
17
18
18
18

Relative Humidity (%)

86
87
86
83
76
71
65
59
51
45
43
44
45
47
46
57
61
60
64
71
81
93
92
92

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1014
1014
1014
1013
1013
1014
1014
1013
1013
1013
1013
1012

Ozone (du)

319
320
321
322
322
323
325
325
324
324
322
322
320
317
316
315
311
311
310
311
313
312
314
315

Wednesday 31

Waning Crescent 17%

01:29

18:52

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:31, Set: 20:55, Transit: 13:13. Moon - Rise: 01:29, Set: 18:52. Civil Dark: 21:35 - 04:50. Nautical Dark: 22:29 - 03:58. Astro Dark: 23:45 - 02:45

Total Clouds (% Sky Obscured)

100
100
100
88
67
77
72
68
79
84
93
96
78
59
45
99
99
99
99
99
100
93
83
74

Low Clouds (% Sky Obscured)

94
83
67
66
69
74
66
57
55
63
70
70
65
57
55
82
87
92
78
63
45
42
42
41

Medium Clouds (% Sky Obscured)

96
98
75
64
62
62
42
24
23
16
25
3
2
3
2
31
29
27
32
40
47
49
54
59

High Clouds (% Sky Obscured)

100
100
100
90
77
75
64
52
38
50
74
63
44
26
30
77
57
38
57
77
100
72
44
17

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
5
7

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

Precipitation Probability (%)

95
95
95
95
95
95
95
92
43
24
21
16
11
25
36
89
76
58
62
62
64
77
90
95

Precipitation Amount (mm)

0.8
0.8
1.4
1.6
2
3
1.6
0.6
0
0
0
0
0
0
0
0.6
0.4
0
0.3
0.3
0.3
0.5
0.7
1.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
19
19
19
19
19
19
20
21
21
22
23
24
23
22
21
21
20
20
19
19
18
17
16

Feels Like (°C)

20
20
19
19
19
20
19
21
22
22
23
24
25
24
24
23
23
23
24
23
23
23
19
18

Dew Point (°C)

18
18
18
17
16
15
15
14
14
14
14
15
17
16
16
17
17
17
18
17
17
17
17
16

Relative Humidity (%)

93
92
92
89
81
80
77
70
64
62
59
61
65
65
69
75
77
82
86
88
91
93
95
96

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1012
1012
1011
1012
1012
1012
1011
1011
1011
1011

Ozone (du)

317
318
321
325
326
325
326
327
325
321
321
321
323
326
330
328
328
328
328
330
332
335
337
340

Thursday 1

Waning Crescent 10%

02:31

19:49

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
22 Bad
23 Bad
00 Bad
01 Bad
02 OK
03 OK

Sun - Rise: 05:32, Set: 20:53, Transit: 13:13. Moon - Rise: 02:31, Set: 19:49. Civil Dark: 21:33 - 04:52. Nautical Dark: 22:27 - N/A. Astro Dark: 23:40 - 02:49

Total Clouds (% Sky Obscured)

64
54
43
53
63
74
82
89
96
98
99
100
100
100
100
100
99
98
85
73
61
53
43
32

Low Clouds (% Sky Obscured)

39
39
41
48
54
58
54
51
47
60
72
79
78
79
75
73
67
64
49
34
19
25
31
37

Medium Clouds (% Sky Obscured)

42
26
10
10
14
16
22
33
40
39
38
41
43
44
45
64
79
94
81
67
54
37
20
2

High Clouds (% Sky Obscured)

10
4
0
20
47
56
70
83
96
97
99
100
100
100
100
71
42
22
28
26
27
20
9
0

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

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

Precipitation Probability (%)

82
57
15
9
2
0
0
0
0
19
27
19
50
73
95
95
95
63
45
28
1
1
0
0

Precipitation Amount (mm)

0.6
0.3
0
0
0
0
0
0
0
0
0
0
0
0.3
0.9
1
0.7
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
6
6
7
7
8
9
10
10
11
12
13
15
14
13
12
11
10
10
9
8
7
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
95
90
85
81
72
64
57
59
60
62
64
66
68
73
77
82
86
90
96
96
96

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

342
341
341
340
340
339
339
339
339
340
341
343
344
347
349
352
352
353
353
354
356
357
356
354

Friday 2

Waning Crescent 4%

03:44

20:30

04 OK
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 OK
20 OK
21 OK
22 OK
23 OK
00 OK

Sun - Rise: 05:34, Set: 20:52, Transit: 13:13. Moon - Rise: 03:44, Set: 20:30. Civil Dark: 21:31 - 04:54. Nautical Dark: 22:25 - 04:01. Astro Dark: 23:36 - 02:53

Total Clouds (% Sky Obscured)

42
53
65
61
58
55
56
57
57
55
50
48
42
36
29
25
25
21
21
27
27

Low Clouds (% Sky Obscured)

43
49
55
56
58
61
63
62
63
57
49
36
36
34
35
33
35
37
35
38
41

Medium Clouds (% Sky Obscured)

2
2
2
1
1
0
10
23
39
36
29
26
20
14
11
4
2
0
2
5
13

High Clouds (% Sky Obscured)

0
0
0
1
2
3
9
17
20
19
19
17
12
8
3
10
15
36
31
31
46

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

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
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
1
5
4
0
0
0
0
6
10
12
16
18
19
15
10
0
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
11
10
12
12
12
12
13
13
16
16
15
16
16
17
15
15
16
15
15

Dew Point (°C)

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

Relative Humidity (%)

96
95
93
92
82
73
64
61
58
56
55
54
52
56
60
64
71
79
87
89
92

Pressure (mb)

1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

353
348
343
337
336
335
334
334
334
333
334
335
336
335
334
333
333
332
332
329
326

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

Generated: 27/07/24 03:43:52. Forecast: 27/07/24 to 02/08/24. Timezone: UTC+1.00