Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 30

Waning Gibbous 98%

21:30

06:05

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

Sun - Rise: 05:28, Set: 20:58, Transit: 13:13. Moon - Rise: 21:30, Set: 06:05. Civil Dark: 21:39 - 04:49. Nautical Dark: 22:34 - 03:54. Astro Dark: 23:54 - 02:37

Total Clouds (% Sky Obscured)

50
61
64
53
99
98
99
99
100
89
72
65
34
0
60
80
60
95
94
76
72
13
0
0

Low Clouds (% Sky Obscured)

44
53
50
40
40
45
43
65
83
75
72
65
34
0
14
11
13
20
22
21
19
11
0
0

Medium Clouds (% Sky Obscured)

0
0
2
11
39
40
49
60
88
59
16
14
2
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

50
36
46
53
96
89
88
88
97
2
0
0
0
0
58
80
48
95
94
76
69
1
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 (%)

11
3
0
0
0
2
6
17
10
17
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)

5
5
7
8
10
11
11
11
11
11
12
12
13
13
12
10
7
5
7
6
5
5
5
4

Chance of Frost

Temperature (°C)

16
16
17
18
20
20
21
22
21
22
22
24
24
23
22
21
19
18
17
16
15
14
13
12

Feels Like (°C)

15
15
16
16
19
18
19
19
18
19
19
21
21
19
19
18
17
16
14
13
13
13
13
11

Dew Point (°C)

15
16
16
14
13
12
10
10
9
9
10
12
10
9
8
6
8
11
9
9
8
7
7
6

Relative Humidity (%)

98
100
92
77
67
59
50
47
46
45
46
47
43
42
41
37
48
63
60
66
64
62
64
66

Pressure (mb)

1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1018
1018
1019
1019
1019
1019

Ozone (du)

329
330
330
330
330
328
330
334
336
337
339
341
342
343
342
343
344
344
345
348
351
354
355
357

Friday 31

Waning Gibbous 94%

21:43

07:21

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

Sun - Rise: 05:30, Set: 20:56, Transit: 13:13. Moon - Rise: 21:43, Set: 07:21. Civil Dark: 21:37 - 04:51. Nautical Dark: 22:32 - 03:56. Astro Dark: 23:49 - 02:41

Total Clouds (% Sky Obscured)

0
0
0
0
0
2
25
54
56
43
60
65
56
67
23
22
18
15
13
28
38
25
12
8

Low Clouds (% Sky Obscured)

0
0
0
0
0
2
15
19
11
4
14
12
0
1
0
0
0
0
5
5
16
16
8
6

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
40
55
39
25
19
20
15
12
7
13
14
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
2
34
40
40
40
40
40
27
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
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)

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

Chance of Frost

Temperature (°C)

11
11
12
14
16
19
20
21
22
23
23
23
23
23
22
20
18
17
16
15
14
13
12
11

Feels Like (°C)

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

Dew Point (°C)

6
5
4
3
3
3
3
2
0
0
1
1
2
4
6
5
3
4
6
8
9
8
9
9

Relative Humidity (%)

70
69
60
48
40
35
33
26
23
22
22
23
25
29
35
37
36
42
53
64
71
75
81
85

Pressure (mb)

1019
1019
1020
1020
1020
1020
1019
1019
1018
1018
1018
1018
1017
1017
1017
1018
1018
1019
1019
1020
1020
1020
1020
1020

Ozone (du)

357
359
360
359
358
359
356
355
355
352
351
350
350
350
351
350
350
350
348
348
350
354
362
367

Saturday 1

Waning Gibbous 88%

21:54

08:36

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

Sun - Rise: 05:31, Set: 20:55, Transit: 13:13. Moon - Rise: 21:54, Set: 08:36. Civil Dark: 21:35 - 04:52. Nautical Dark: 22:29 - 03:59. Astro Dark: 23:45 - 02:45

Total Clouds (% Sky Obscured)

0
0
0
0
1
1
0
1
7
7
34
34
91
90
76
62
52
68
82
93
95
97
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
2
3
2
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
34
30
21
16
7
15
23
32
65
45
87
90

High Clouds (% Sky Obscured)

0
0
0
0
1
1
0
1
2
2
20
15
22
15
21
27
37
49
63
78
85
93
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
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)

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

Chance of Frost

Temperature (°C)

10
10
12
15
17
19
20
22
23
24
24
24
24
24
22
21
19
17
16
15
15
15
14
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
75
61
51
44
38
34
29
27
25
25
26
27
29
34
44
53
59
57
60
61
63
61

Pressure (mb)

1020
1020
1020
1021
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1018
1018

Ozone (du)

368
366
360
357
352
350
347
341
337
335
333
332
329
328
327
327
326
326
327
326
325
326
327
328

Sunday 2

Waning Gibbous 80%

22:05

09:52

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
04 Bad

Sun - Rise: 05:33, Set: 20:53, Transit: 13:13. Moon - Rise: 22:05, Set: 09:52. Civil Dark: 21:33 - 04:54. Nautical Dark: 22:27 - 04:01. Astro Dark: 23:41 - 02:49

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
91
100
98
96
94
95
96
98
98
99
100
100
92
88
91
91
96
100

Low Clouds (% Sky Obscured)

0
0
0
0
2
2
3
2
2
0
1
4
9
19
16
7
3
1
1
0
0
0
0
0

Medium Clouds (% Sky Obscured)

94
97
83
79
80
82
76
55
39
39
83
59
71
84
93
35
30
36
41
25
24
25
27
28

High Clouds (% Sky Obscured)

100
100
100
100
100
100
78
100
82
69
54
62
73
83
88
94
100
100
81
76
80
85
86
85

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
2
2
1
4
5
5
4
2
0
0
0
0
0
0
0
1
0
0
2
2
1
7

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

Chance of Frost

Temperature (°C)

14
14
14
15
17
18
19
20
22
22
23
23
23
23
23
21
20
19
18
17
17
16
16
16

Feels Like (°C)

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

Dew Point (°C)

6
6
4
4
3
3
3
2
1
1
-0
-1
-1
-1
0
1
4
5
6
7
8
10
10
11

Relative Humidity (%)

60
56
51
46
41
37
32
30
26
23
21
20
19
19
22
25
34
38
45
51
58
64
67
75

Pressure (mb)

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

Ozone (du)

327
327
328
329
329
329
330
329
329
329
328
328
327
327
329
329
331
332
334
334
333
331
328
328

Monday 3

Waning Gibbous 77%

22:17

11:10

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
04 Bad

Sun - Rise: 05:34, Set: 20:51, Transit: 13:13. Moon - Rise: 22:17, Set: 11:10. Civil Dark: 21:31 - 04:56. Nautical Dark: 22:25 - 04:03. Astro Dark: 23:36 - 02:53

Total Clouds (% Sky Obscured)

96
96
99
100
100
100
100
99
100
100
100
100
100
100
92
84
76
72
69
65
77
88
100
93

Low Clouds (% Sky Obscured)

0
0
6
11
17
24
24
29
17
8
4
1
1
2
2
6
10
9
11
10
29
47
60
53

Medium Clouds (% Sky Obscured)

28
34
41
40
43
90
87
94
96
98
100
97
94
91
74
61
48
46
40
31
51
74
97
78

High Clouds (% Sky Obscured)

81
83
96
100
100
98
96
94
96
98
100
100
100
100
68
36
2
3
3
8
38
65
91
64

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

11
13
21
26
27
28
28
25
43
34
30
54
65
68
57
43
19
21
20
12
37
52
63
75

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
10
11
12
13
13
12
12
13
11
10
12
11
10
10
9
9
9
9
8
8
7
7
7

Chance of Frost

Temperature (°C)

15
15
15
17
18
20
22
24
25
26
26
26
25
25
23
22
20
19
18
17
16
16
16
16

Feels Like (°C)

14
14
14
14
15
16
19
21
22
21
22
22
22
23
22
20
20
20
21
21
22
14
14
15

Dew Point (°C)

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

Relative Humidity (%)

82
85
77
65
53
44
40
34
31
31
30
30
34
38
43
46
50
54
64
77
92
90
90
90

Pressure (mb)

1011
1011
1011
1010
1010
1009
1009
1008
1008
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1005
1005

Ozone (du)

326
324
323
323
323
323
323
325
325
326
326
327
327
328
328
328
329
330
330
330
331
331
331
331

Tuesday 4

Waning Gibbous 71%

22:31

12:30

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
04 Bad

Sun - Rise: 05:36, Set: 20:50, Transit: 13:13. Moon - Rise: 22:31, Set: 12:30. Civil Dark: 21:29 - 04:58. Nautical Dark: 22:22 - 04:05. Astro Dark: 23:32 - 02:57

Total Clouds (% Sky Obscured)

86
81
85
90
94
92
90
87
87
88
92
93
97
97
91
85
78
84
90
95
95
95
95
81

Low Clouds (% Sky Obscured)

47
40
43
50
60
56
52
51
61
74
87
89
88
87
84
80
71
76
81
86
57
29
0
0

Medium Clouds (% Sky Obscured)

60
42
38
34
33
42
51
60
47
33
26
22
13
13
11
13
12
19
30
41
44
42
40
29

High Clouds (% Sky Obscured)

37
9
13
9
12
40
69
87
57
33
8
14
24
32
25
15
6
4
2
0
20
36
48
32

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

Precipitation Probability (%)

78
73
66
67
75
77
76
94
95
95
85
64
48
19
20
19
10
9
7
0
3
5
3
10

Precipitation Amount (mm)

0.4
0.3
0.2
0.3
0.4
0.4
0.3
0.7
0.9
0.9
0.5
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
16
16
17
18
20
21
22
23
22
21
21
20
19
18
16
15
14
14
13
13
13
12
12

Feels Like (°C)

14
14
15
16
16
17
17
16
16
24
22
20
19
19
18
15
15
16
15
15
14
11
12
13

Dew Point (°C)

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

Relative Humidity (%)

89
89
90
81
73
67
57
47
40
40
39
39
41
43
46
54
65
75
80
84
90
92
93
96

Pressure (mb)

1005
1005
1005
1005
1005
1004
1004
1004
1005
1005
1005
1006
1007
1008
1009
1010
1011
1012
1013
1013
1014
1014
1015
1015

Ozone (du)

331
331
332
332
333
334
336
338
340
340
340
341
341
342
342
342
342
342
340
338
336
334
332
330

Wednesday 5

Waning Gibbous 60%

22:49

13:54

Sun - Rise: 05:37, Set: 20:48, Transit: 13:13. Moon - Rise: 22:49, Set: 13:54. Civil Dark: 21:27 - 04:59. Nautical Dark: 22:20 - 04:08. Astro Dark: 23:28 - 03:00

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 Stratton Saint Margaret, Swindon, United Kingdom (51.57,-1.76)

Generated: 30/07/26 05:37:25. Forecast: 30/07/26 to 05/08/26. Timezone: UTC+1.00