Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 29

Waxing Gibbous 90%

15:32

05:39

02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 OK
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

Sun - Rise: 06:49, Set: 19:35, Transit: 13:12. Moon - Rise: 15:32, Set: 05:39. Civil Dark: 20:08 - 06:16. Nautical Dark: 20:48 - 05:36. Astro Dark: 21:30 - 04:54

Total Clouds (% Sky Obscured)

0
1
0
0
14
16
30
85
100
100
100
100
100
100
100
100
100
100
100
100
100
100
86
56

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
1
14
37
40
11
9
52
58
61
91
99
100
99
62
42
16
5
0

Medium Clouds (% Sky Obscured)

0
0
0
0
7
16
30
39
83
61
97
100
91
98
100
90
89
92
95
11
10
13
44
6

High Clouds (% Sky Obscured)

0
0
0
0
7
16
30
85
100
100
100
100
100
100
100
100
100
100
84
100
100
100
70
45

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
1
3
3
5
10
21
23
26
13
9
5
15
27
18

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
5
6
6
6
5
7
11
14
15
17
17
18
19
18
19
18
18
16
14
13
12
11

Chance of Frost

Temperature (°C)

3
3
3
3
2
2
4
6
8
9
10
10
10
10
10
10
9
9
9
9
10
10
10
10

Feels Like (°C)

1
1
1
0
-1
-1
1
2
4
4
4
4
4
4
4
5
4
3
4
5
5
6
7
7

Dew Point (°C)

1
1
1
1
0
0
1
2
3
4
4
4
5
6
6
6
6
7
7
8
8
9
8
8

Relative Humidity (%)

85
85
86
86
86
85
80
75
70
69
66
68
73
77
77
76
80
85
88
91
91
93
87
85

Pressure (mb)

1033
1033
1033
1033
1033
1033
1033
1033
1033
1032
1032
1031
1031
1030
1028
1027
1026
1026
1026
1025
1025
1025
1025
1025

Ozone (du)

380
377
376
377
374
369
368
366
365
364
363
360
358
355
353
350
346
342
338
333
329
327
327
324

Monday 30

Waxing Gibbous 95%

16:51

05:54

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

Sun - Rise: 06:46, Set: 19:37, Transit: 13:12. Moon - Rise: 16:51, Set: 05:54. Civil Dark: 20:10 - 06:13. Nautical Dark: 20:50 - 05:34. Astro Dark: 21:32 - 04:51

Total Clouds (% Sky Obscured)

77
25
11
33
45
30
7
22
50
41
22
75
65
73
77
73
56
76
65
0
36
12
63
85

Low Clouds (% Sky Obscured)

2
5
11
33
39
18
7
22
50
41
22
75
65
73
77
73
56
76
65
0
0
7
63
81

Medium Clouds (% Sky Obscured)

3
3
3
4
1
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
25
4
0
7

High Clouds (% Sky Obscured)

64
25
2
2
12
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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 (%)

6
4
5
4
1
0
1
3
14
4
1
1
5
13
5
3
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
73
72
78
88
93
91
81
72
68
71
66
68
68
67
73
75
78
85
91
93
94
94
93

Pressure (mb)

1025
1025
1025
1026
1026
1026
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1029
1030
1030
1030
1031
1031
1031

Ozone (du)

322
321
320
319
319
320
321
321
320
321
319
318
318
317
315
314
313
314
317
318
318
318
317
317

Tuesday 31

Waxing Gibbous 99%

18:07

06:07

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

Sun - Rise: 06:44, Set: 19:39, Transit: 13:11. Moon - Rise: 18:07, Set: 06:07. Civil Dark: 20:12 - 06:11. Nautical Dark: 20:52 - 05:31. Astro Dark: 21:34 - 04:49

Total Clouds (% Sky Obscured)

100
95
99
90
89
98
95
71
84
45
55
8
56
66
67
64
32
37
34
38
49
57
58
50

Low Clouds (% Sky Obscured)

100
91
90
57
55
33
62
49
47
10
48
8
26
32
8
30
27
33
34
38
49
57
58
50

Medium Clouds (% Sky Obscured)

8
26
62
49
47
55
52
22
43
20
5
1
27
25
28
24
6
4
2
0
0
0
0
0

High Clouds (% Sky Obscured)

11
25
25
1
1
0
0
6
4
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
1
1
1
3
0
1
0
17
14
6
0
3
3
1
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
4
5
5
5
5
7
9
10
10
11
12
13
13
12
12
12
11
10
9
7
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
94
94
94
93
88
83
84
82
74
72
73
75
78
79
83
91
93
93
95
95
96

Pressure (mb)

1031
1031
1031
1031
1030
1031
1031
1031
1031
1031
1031
1031
1030
1030
1029
1029
1029
1029
1030
1030
1030
1030
1030
1029

Ozone (du)

317
315
315
315
318
320
320
321
326
331
331
327
321
319
320
320
322
324
325
326
327
326
328
328

Wednesday 1

Waxing Gibbous 100%

19:21

06:18

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
00 Bad
01 Bad

Sun - Rise: 06:42, Set: 19:40, Transit: 13:11. Moon - Rise: 19:21, Set: 06:18. Civil Dark: 20:13 - 06:09. Nautical Dark: 20:53 - 05:29. Astro Dark: 21:36 - 04:46

Total Clouds (% Sky Obscured)

49
45
60
64
50
52
49
54
76
92
92
94
96
98
98
98
98
93
88
83
87
94
99
99

Low Clouds (% Sky Obscured)

49
45
60
64
50
52
49
54
76
87
88
91
95
98
98
97
97
92
86
55
45
39
40
58

Medium Clouds (% Sky Obscured)

0
0
0
1
2
2
2
2
2
0
0
0
0
0
0
1
3
4
3
30
48
74
98
99

High Clouds (% Sky Obscured)

0
0
0
1
1
1
0
1
1
1
1
1
1
1
4
22
4
42
8
27
7
7
10
10

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
1
0
1
0
0
0
2
2
2
3
5
3
4
1
1
1
1
6
3
5
11

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
93
91
91
91
84
74
67
66
66
66
69
67
71
76
79
83
90
91
91
93
93
93

Pressure (mb)

1029
1029
1028
1028
1028
1028
1028
1028
1027
1027
1027
1026
1025
1025
1024
1024
1023
1023
1023
1023
1022
1022
1021
1021

Ozone (du)

328
328
328
328
330
331
330
330
331
332
333
331
331
333
334
335
333
331
330
329
330
332
336
338

Thursday 2

Full Moon 99%

20:35

06:30

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
00 Bad
01 Bad

Sun - Rise: 06:40, Set: 19:42, Transit: 13:11. Moon - Rise: 20:35, Set: 06:30. Civil Dark: 20:15 - 06:07. Nautical Dark: 20:55 - 05:26. Astro Dark: 21:38 - 04:43

Total Clouds (% Sky Obscured)

100
100
83
87
83
93
91
80
93
69
99
99
99
99
97
95
94
93
92
91
86
80
73
75

Low Clouds (% Sky Obscured)

75
89
83
82
82
84
82
76
66
69
72
76
76
76
79
83
87
83
77
72
66
60
56
58

Medium Clouds (% Sky Obscured)

98
65
56
52
48
51
45
49
58
63
62
70
79
85
84
83
83
80
77
73
76
78
73
75

High Clouds (% Sky Obscured)

10
10
0
0
0
0
5
0
10
1
10
10
10
15
16
14
14
26
35
40
30
30
20
10

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
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

19
30
31
30
37
32
35
21
21
24
13
28
24
14
35
34
26
36
39
21
30
49
51
33

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
95
96
96
88
90
91
91
84
77
73
72
72
73
73
77
83
87
87
90
91
90
88
87

Pressure (mb)

1020
1020
1019
1019
1019
1019
1019
1019
1018
1018
1018
1017
1016
1016
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014

Ozone (du)

341
350
365
368
368
368
371
373
378
379
384
386
389
391
394
394
393
393
394
394
395
396
397
398

Friday 3

Waning Gibbous 98%

21:50

06:44

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
00 Bad
01 Bad

Sun - Rise: 06:38, Set: 19:43, Transit: 13:10. Moon - Rise: 21:50, Set: 06:44. Civil Dark: 20:17 - 06:04. Nautical Dark: 20:57 - 05:24. Astro Dark: 21:40 - 04:40

Total Clouds (% Sky Obscured)

84
94
93
94
96
97
98
98
89
79
71
78
85
91
90
91
94
92
91
91
91
91
93
89

Low Clouds (% Sky Obscured)

60
62
65
63
71
67
64
61
61
61
64
56
53
54
67
70
78
81
83
86
82
78
76
74

Medium Clouds (% Sky Obscured)

75
73
57
39
14
11
8
12
13
17
19
19
19
19
21
21
15
5
1
2
6
5
5
14

High Clouds (% Sky Obscured)

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

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 (%)

34
29
24
24
23
20
17
14
18
18
10
22
28
28
39
44
40
30
23
8
23
31
36
33

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
4
5
6
7
7
9
10
12
12
13
14
12
11
10
8
7
6
6
6
6
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
91
93
95
95
95
93
93
91
90
90
91
95
95
93
91
90
90
90
90
88
86
85

Pressure (mb)

1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1014
1014
1014
1014

Ozone (du)

400
402
403
401
399
396
396
395
395
394
393
392
390
389
387
388
389
390
389
389
388
387
386
386

Saturday 4

Waning Gibbous 96%

23:04

06:59

Sun - Rise: 06:35, Set: 19:45, Transit: 13:10. Moon - Rise: 23:04, Set: 06:59. Civil Dark: 20:18 - 06:02. Nautical Dark: 20:59 - 05:21. Astro Dark: 21:43 - 04:38

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: 29/03/26 00:48:51. Forecast: 29/03/26 to 04/04/26. Timezone: UTC+0.00