Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 30

Waning Gibbous 98%

21:28

06:09

05 Bad
06 Bad
07 OK
08 Bad
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 OK
15 OK
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 Good

Sun - Rise: 05:33, Set: 20:55, Transit: 13:14. Moon - Rise: 21:28, Set: 06:09. Civil Dark: 21:35 - 04:55. Nautical Dark: 22:28 - 04:02. Astro Dark: 23:39 - 02:52

Total Clouds (% Sky Obscured)

52
39
28
71
42
94
87
100
61
43
20
73
82
71
91
100
100
100
100
100
100
100
100
5

Low Clouds (% Sky Obscured)

19
35
28
52
14
63
3
9
6
4
0
0
0
1
5
22
11
22
62
64
52
42
30
5

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
7
7
6
7
39
20
3
14
30
26
27
25
24
0
0
0
0

High Clouds (% Sky Obscured)

52
31
28
25
25
71
81
100
30
26
14
69
79
71
85
100
100
100
100
100
100
100
100
1

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 (%)

2
3
0
0
0
0
0
0
0
0
0
2
1
2
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
6
10
10
9
9
11
13
13
11
10
11
11
9
10
10
12
11
10
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
87
78
65
52
43
41
44
50
53
52
56
56
64
50
43
51
67
67
71
72
69
69

Pressure (mb)

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

Ozone (du)

329
329
332
333
330
330
330
332
332
334
333
332
331
331
331
331
333
336
336
339
340
341
345
349

Friday 31

Waning Gibbous 94%

21:42

07:24

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

Sun - Rise: 05:34, Set: 20:54, Transit: 13:14. Moon - Rise: 21:42, Set: 07:24. Civil Dark: 21:33 - 04:56. Nautical Dark: 22:25 - 04:04. Astro Dark: 23:35 - 02:56

Total Clouds (% Sky Obscured)

2
0
0
0
0
4
40
45
40
44
51
48
47
37
38
94
84
100
100
89
57
41
43
50

Low Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
6
8
5
9
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
21
47
37
3
0
0
0
3
3
25
41
0
22

High Clouds (% Sky Obscured)

0
0
0
0
0
4
40
40
35
35
35
30
25
18
21
94
84
100
100
89
42
15
40
34

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
66
57
44
36
32
31
27
25
25
26
25
25
25
30
41
54
64
70
74
80
82
79
79

Pressure (mb)

1019
1019
1019
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1018
1018
1019
1019
1019
1020
1020
1020
1019
1019
1019

Ozone (du)

351
351
351
352
349
344
342
340
338
338
337
338
341
340
337
336
335
335
335
335
336
336
338
339

Saturday 1

Waning Gibbous 88%

21:54

08:39

05 Bad
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good
13 Good
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: 05:35, Set: 20:52, Transit: 13:14. Moon - Rise: 21:54, Set: 08:39. Civil Dark: 21:31 - 04:58. Nautical Dark: 22:23 - 04:06. Astro Dark: 23:32 - 02:59

Total Clouds (% Sky Obscured)

52
3
0
0
2
15
3
3
15
62
73
100
100
100
100
100
100
91
84
66
85
92
100
81

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

21
1
0
0
0
0
0
0
0
0
0
0
0
0
3
3
29
41
22
23
85
92
98
43

High Clouds (% Sky Obscured)

45
2
0
0
1
9
1
2
9
54
69
100
100
100
100
100
100
77
57
31
61
82
91
73

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)

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

Chance of Frost

Temperature (°C)

11
11
12
15
18
20
21
22
23
24
24
25
24
24
22
21
19
17
16
15
15
15
15
15

Feels Like (°C)

11
10
12
15
18
19
20
21
22
23
21
21
20
19
18
17
15
13
13
13
12
12
12
12

Dew Point (°C)

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

Relative Humidity (%)

80
80
69
54
45
39
35
33
31
28
28
30
32
32
34
38
47
58
65
69
71
68
63
65

Pressure (mb)

1020
1020
1020
1021
1021
1021
1021
1021
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1017
1017

Ozone (du)

342
343
341
340
337
336
334
331
330
328
327
325
324
325
325
324
324
325
326
327
326
325
325
325

Sunday 2

Waning Gibbous 80%

22:07

09:53

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: 05:37, Set: 20:50, Transit: 13:14. Moon - Rise: 22:07, Set: 09:53. Civil Dark: 21:29 - 05:00. Nautical Dark: 22:21 - 04:09. Astro Dark: 23:28 - 03:02

Total Clouds (% Sky Obscured)

97
100
100
99
99
100
100
100
93
86
77
78
78
75
87
93
99
73
72
75
80
90
90
92

Low Clouds (% Sky Obscured)

0
0
0
0
0
2
4
7
4
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

66
62
90
74
47
43
41
35
34
86
29
26
25
21
24
25
26
24
25
28
24
23
23
36

High Clouds (% Sky Obscured)

87
95
97
95
98
100
100
100
76
52
23
28
38
45
65
82
99
73
72
70
79
78
72
74

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

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

Chance of Frost

Temperature (°C)

15
15
15
16
17
18
20
21
22
23
23
24
24
24
23
21
20
18
18
18
18
17
17
16

Feels Like (°C)

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

Dew Point (°C)

8
8
6
4
3
2
2
2
3
4
4
4
4
4
4
6
8
8
9
10
10
11
13
13

Relative Humidity (%)

65
61
53
44
37
32
29
27
27
28
28
26
27
27
28
37
46
52
54
58
60
68
78
81

Pressure (mb)

1017
1016
1016
1016
1017
1017
1016
1016
1016
1016
1015
1015
1014
1014
1013
1013
1013
1013
1012
1012
1011
1011
1010
1010

Ozone (du)

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

Monday 3

Waning Gibbous 77%

22:20

11:09

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: 05:38, Set: 20:49, Transit: 13:14. Moon - Rise: 22:20, Set: 11:09. Civil Dark: 21:27 - 05:00. Nautical Dark: 22:19 - 04:11. Astro Dark: 23:25 - 03:06

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
99
100
100
100
92
87
80
74
66
61
73
85
94
90
86
82
79

Low Clouds (% Sky Obscured)

0
0
2
4
6
12
17
18
20
19
24
19
14
8
3
4
20
34
57
68
73
71
69
68

Medium Clouds (% Sky Obscured)

71
94
87
93
87
24
15
68
73
79
85
86
87
80
68
47
28
42
56
71
79
86
81
51

High Clouds (% Sky Obscured)

95
100
100
100
100
98
97
95
97
98
100
83
65
48
33
16
9
15
11
15
15
15
20
18

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
8
7
8
8
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

5
3
7
7
1
14
4
3
30
47
62
66
64
56
48
40
32
29
23
11
39
56
70
65

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.3
0.3
0
0
0
0
0
0
0
0.3
0.4
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
17
17
18
20
21
23
24
25
24
23
22
22
21
21
20
19
19
18
18
18
18
18
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
83
76
65
57
49
42
35
32
35
38
42
46
49
54
59
67
76
78
78
81
81
79
78

Pressure (mb)

1009
1009
1008
1008
1008
1008
1008
1007
1007
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1005
1005
1005
1005
1004

Ozone (du)

321
323
323
324
324
324
323
324
326
326
327
327
328
330
331
330
330
329
330
330
331
330
329
329

Tuesday 4

Waning Gibbous 71%

22:35

12:28

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: 05:40, Set: 20:47, Transit: 13:13. Moon - Rise: 22:35, Set: 12:28. Civil Dark: 21:26 - 05:01. Nautical Dark: 22:16 - 04:13. Astro Dark: 23:21 - 03:09

Total Clouds (% Sky Obscured)

77
75
74
70
69
69
69
68
67
67
66
72
77
81
77
75
72
82
90
97
95
92
89
61

Low Clouds (% Sky Obscured)

67
66
59
62
57
54
55
64
65
65
65
70
75
81
77
69
58
61
64
67
49
21
0
0

Medium Clouds (% Sky Obscured)

37
23
14
9
4
4
4
3
3
4
1
8
18
21
12
18
13
19
18
21
15
13
8
8

High Clouds (% Sky Obscured)

17
31
25
15
11
7
3
0
0
0
0
0
0
0
4
5
9
11
10
9
15
19
22
17

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

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 (%)

54
37
40
38
34
37
36
36
35
32
27
24
21
15
13
11
1
3
6
7
24
29
34
28

Precipitation Amount (mm)

0.3
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
5
4
6
8
10
12
13
15
15
15
15
14
13
13
10
9
10
9
8
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
14
14
12
10
8
8
7
7
7
8
8
9
9
10
11
12
12
12
11
11
11
12
12

Relative Humidity (%)

79
78
78
64
52
43
41
39
37
39
39
40
44
49
54
61
70
78
77
76
76
82
87
95

Pressure (mb)

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

Ozone (du)

331
333
335
335
336
337
338
338
339
339
338
338
336
334
332
332
332
332
329
327
325
324
322
321

Wednesday 5

Waning Gibbous 60%

22:54

13:51

Sun - Rise: 05:41, Set: 20:45, Transit: 13:13. Moon - Rise: 22:54, Set: 13:51. Civil Dark: 21:24 - 05:03. Nautical Dark: 22:14 - 04:15. Astro Dark: 23:18 - 03:12

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 Swanage, Dorset, United Kingdom (50.61,-1.96)

Generated: 30/07/26 05:53:34. Forecast: 30/07/26 to 05/08/26. Timezone: UTC+1.00