Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 19

Waning Crescent 36%

00:03

16:12

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:13, Set: 21:12, Transit: 13:13. Moon - Rise: 00:03, Set: 16:12. Civil Dark: 21:55 - 04:30. Nautical Dark: 22:57 - 03:29. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

56
66
73
79
100
100
100
100
100
100
100
100
93
92
69
45
56
73
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

39
56
49
57
48
40
44
44
52
77
62
66
73
66
57
40
41
60
56
0
0
0
0
0

Medium Clouds (% Sky Obscured)

56
66
62
79
98
100
100
100
100
97
93
76
42
56
44
2
34
34
0
25
67
99
91
96

High Clouds (% Sky Obscured)

56
66
73
79
100
100
100
100
100
100
100
100
78
23
1
4
9
39
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
1
13
32
48
80
95
90
66
23
32
41
34
21
17
10
6
2
1
0
0
0
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
4
1
2
3
2
2
2
2
2
4
2
2
6
7
9
8
8
12
11
9
7
6
6

Chance of Frost

Temperature (°C)

18
17
17
16
15
15
15
15
16
16
17
18
19
21
21
22
22
23
23
21
20
18
17
16

Feels Like (°C)

18
17
16
16
15
15
15
15
16
16
16
19
20
20
21
21
20
21
19
17
16
16
15
14

Dew Point (°C)

16
15
13
13
13
13
12
12
12
12
12
11
11
13
13
10
10
7
7
8
8
9
9
10

Relative Humidity (%)

85
85
79
83
86
89
82
80
78
74
72
61
57
62
59
45
46
35
36
41
46
54
61
65

Pressure (mb)

1010
1010
1009
1008
1008
1007
1007
1007
1007
1007
1006
1006
1005
1005
1005
1004
1004
1003
1003
1003
1003
1003
1003
1003

Ozone (du)

321
320
320
320
322
323
321
321
324
324
325
327
329
331
335
331
331
331
330
330
331
330
330
330

Sunday 20

Waning Crescent 25%

00:26

17:42

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:15, Set: 21:11, Transit: 13:13. Moon - Rise: 00:26, Set: 17:42. Civil Dark: 21:54 - 04:32. Nautical Dark: 22:55 - 03:31. Astro Dark: N/A - 01:32

Total Clouds (% Sky Obscured)

100
92
100
100
100
100
100
100
100
69
64
69
71
72
82
77
58
64
63
100
100
100
94
100

Low Clouds (% Sky Obscured)

0
42
47
62
76
86
87
78
92
69
64
69
71
69
69
67
58
64
63
62
43
28
37
39

Medium Clouds (% Sky Obscured)

86
89
76
99
95
80
99
98
62
0
0
0
0
3
17
49
7
5
2
46
20
39
31
82

High Clouds (% Sky Obscured)

100
66
89
54
99
53
100
100
100
20
0
0
55
0
2
13
2
10
13
100
91
90
68
87

ISS Passover

Visibility (miles)

9
9
9
9
9
9
4
5
9
9
9
9
9
6
4
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
Very Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
6
39
72
95
95
95
69
38
33
31
51
50
51
15
7
3
1
0
2
2
6
11

Precipitation Amount (mm)

0
0
0
0
0.3
0.9
1.3
0.7
0.3
0
0
0
0.2
0
0.3
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
9
10
10
11
12
12
12
12
14
16
17
17
17
18
18
16
16
14
11
8
8
7

Chance of Frost

Temperature (°C)

16
16
16
15
16
16
16
16
16
16
18
19
19
19
19
19
19
19
19
18
17
16
15
14

Feels Like (°C)

13
14
14
13
14
14
13
14
14
14
14
15
15
15
14
15
14
15
14
14
14
15
14
13

Dew Point (°C)

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

Relative Humidity (%)

69
77
82
85
87
86
92
96
90
79
65
53
53
60
59
64
47
39
40
41
48
63
70
78

Pressure (mb)

1003
1002
1001
1001
1000
999
999
998
998
998
998
998
998
998
998
999
999
999
999
999
1000
1000
1001
1000

Ozone (du)

332
333
333
332
333
337
338
340
343
347
353
354
350
357
360
353
349
348
348
348
348
347
349
348

Monday 21

Waning Crescent 15%

00:58

19:04

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:16, Set: 21:10, Transit: 13:13. Moon - Rise: 00:58, Set: 19:04. Civil Dark: 21:53 - 04:33. Nautical Dark: 22:53 - 03:33. Astro Dark: 00:54 - 01:43

Total Clouds (% Sky Obscured)

78
92
94
90
100
94
100
100
93
100
93
100
100
100
100
100
100
98
76
80
98
99
84
61

Low Clouds (% Sky Obscured)

54
54
58
64
66
65
77
76
78
78
53
56
73
67
59
77
45
49
32
35
41
46
48
55

Medium Clouds (% Sky Obscured)

78
76
91
90
92
91
82
84
85
59
16
12
22
32
32
31
30
30
35
34
27
24
27
28

High Clouds (% Sky Obscured)

29
77
67
1
86
52
94
99
16
88
93
100
100
100
96
88
86
90
56
46
52
42
23
8

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

37
63
69
76
95
76
44
29
23
18
28
23
49
33
20
15
15
41
47
38
18
18
20
23

Precipitation Amount (mm)

0
0.3
0.3
0.3
1
0.6
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
82
92
95
96
98
98
95
93
92
85
69
59
54
44
45
44
46
61
66
73
83
93
95

Pressure (mb)

1000
1000
999
999
999
999
999
999
1000
1000
1000
1001
1001
1001
1001
1002
1002
1003
1003
1004
1004
1005
1006
1006

Ozone (du)

345
346
348
351
350
348
350
351
352
353
351
349
349
350
351
351
352
352
352
347
344
343
344
344

Tuesday 22

Waning Crescent 8%

01:46

20:10

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:17, Set: 21:08, Transit: 13:13. Moon - Rise: 01:46, Set: 20:10. Civil Dark: 21:51 - 04:35. Nautical Dark: 22:50 - 03:35. Astro Dark: 00:42 - 01:52

Total Clouds (% Sky Obscured)

71
71
78
97
95
77
87
95
75
86
100
100
100
94
86
76
68
62
57
70
82
94
94
94

Low Clouds (% Sky Obscured)

63
71
78
95
93
77
87
78
66
52
57
59
67
59
63
66
60
53
45
32
21
10
25
26

Medium Clouds (% Sky Obscured)

32
41
44
41
40
31
26
34
36
38
49
73
68
76
64
53
50
50
50
59
60
78
62
76

High Clouds (% Sky Obscured)

1
0
0
0
30
61
87
94
75
86
100
99
99
71
43
20
27
19
9
32
61
87
76
66

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 (%)

31
29
26
19
19
16
5
9
8
4
14
14
5
19
21
19
24
16
14
7
4
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
9
10
10
11
11
10
11
12
13
14
14
15
15
15
16
15
15
14
13
11
10
10
8

Chance of Frost

Temperature (°C)

15
14
14
14
15
14
14
15
16
17
17
18
18
19
19
20
20
19
19
18
17
16
16
15

Feels Like (°C)

15
15
15
14
14
13
14
14
14
15
15
14
15
15
15
16
16
15
15
14
14
14
13
12

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
93
93
95
92
79
65
56
49
45
43
41
42
45
51
51
66
67
64
66
73

Pressure (mb)

1007
1007
1007
1007
1007
1008
1009
1009
1009
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1013
1013

Ozone (du)

341
334
335
336
338
338
338
337
337
336
335
335
335
335
336
336
337
338
339
340
339
339
339
340

Wednesday 23

Waning Crescent 3%

02:52

20:57

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:19, Set: 21:07, Transit: 13:13. Moon - Rise: 02:52, Set: 20:57. Civil Dark: 21:49 - 04:36. Nautical Dark: 22:48 - 03:38. Astro Dark: 00:34 - 01:59

Total Clouds (% Sky Obscured)

94
94
92
92
82
73
66
76
85
97
100
100
100
100
100
100
97
93
90
91
93
96
96
97

Low Clouds (% Sky Obscured)

34
44
53
64
65
66
61
60
56
52
64
76
88
88
87
85
79
72
64
68
71
74
81
89

Medium Clouds (% Sky Obscured)

73
66
45
36
24
14
2
0
0
0
18
32
49
39
32
34
31
28
15
8
4
4
4
9

High Clouds (% Sky Obscured)

55
58
59
67
42
25
27
42
47
77
81
81
80
75
75
65
33
17
10
24
35
41
24
18

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
3
5
6
24
22
10
21
21
19
15
12
9
15
21

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
12
12
12
12
12
12
11
10
9
7
7
5
5
5
3
5
6
6
7
8
9
9

Relative Humidity (%)

83
87
95
96
95
96
96
86
75
62
53
47
44
39
37
36
33
37
40
44
50
58
66
70

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014

Ozone (du)

340
338
337
337
337
336
337
337
338
341
343
343
344
342
341
340
338
335
332
330
329
328
328
327

Thursday 24

New Moon 0%

04:13

21:28

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
20 Bad
21 Bad
22 Bad
23 OK

Sun - Rise: 05:20, Set: 21:06, Transit: 13:13. Moon - Rise: 04:13, Set: 21:28. Civil Dark: 21:48 - 04:38. Nautical Dark: 22:46 - 03:40. Astro Dark: 00:27 - 02:06

Total Clouds (% Sky Obscured)

97
98
99
100
91
83
75
81
87
94
94
94
94
97
98
100
97
94
92
78
64
49
39
29

Low Clouds (% Sky Obscured)

91
87
78
70
64
64
61
71
80
88
84
80
75
77
80
84
64
43
24
28
33
37
31
24

Medium Clouds (% Sky Obscured)

17
23
24
30
32
38
45
63
76
85
78
68
61
56
53
57
39
24
9
5
2
0
0
0

High Clouds (% Sky Obscured)

20
15
10
10
8
6
5
5
3
7
22
36
52
42
32
22
38
56
61
41
24
8
7
5

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 (%)

18
26
24
3
3
4
0
0
1
0
0
0
0
0
0
0
1
2
1
6
10
11
13
12

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

Chance of Frost

Temperature (°C)

14
13
13
13
13
14
14
14
15
16
16
18
19
20
20
21
21
20
20
20
19
18
17
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
83
84
86
87
87
86
84
84
83
83
72
63
57
57
57
57
63
67
72
80
88
95
95

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1015
1015
1015
1015

Ozone (du)

326
325
322
319
316
314
311
309
307
305
304
302
301
300
299
298
297
297
297
297
298
299
299
301

Friday 25

Waxing Crescent 1%

05:39

21:49

Sun - Rise: 05:22, Set: 21:04, Transit: 13:13. Moon - Rise: 05:39, Set: 21:49. Civil Dark: 21:46 - 04:40. Nautical Dark: 22:44 - 03:42. Astro Dark: 00:20 - 02:12

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 19/07/25 00:55:16. Forecast: 19/07/25 to 25/07/25. Timezone: UTC+1.00