Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 25

Waxing Crescent 15%

12:36

19:16

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

Sun - Rise: 07:55, Set: 17:58, Transit: 12:57. Moon - Rise: 12:36, Set: 19:16. Civil Dark: 18:33 - 07:21. Nautical Dark: 19:11 - 06:42. Astro Dark: 19:50 - 06:03

Total Clouds (% Sky Obscured)

70
80
87
52
46
48
68
36
42
36
26
34
38
51
74
73
74
67
80
77
58
52
30
36

Low Clouds (% Sky Obscured)

44
41
42
28
38
40
60
36
42
35
26
27
13
46
60
57
51
65
72
60
57
36
30
29

Medium Clouds (% Sky Obscured)

70
79
81
48
22
10
8
0
0
2
0
10
18
21
41
26
24
22
31
23
27
21
0
0

High Clouds (% Sky Obscured)

19
4
3
2
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

40
95
13
14
16
10
9
22
24
33
13
10
3
3
12
38
48
34
36
40
13
4
8
7

Precipitation Amount (mm)

0
2
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
9
14
14
14
15
16
16
15
14
13
11
11
15
16
15
15
14
10
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
90
90
90
82
77
74
69
68
69
67
67
69
73
74
79
78
75
77
74
76
83
83

Pressure (mb)

1002
1003
1003
1004
1005
1006
1007
1008
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1012
1012

Ozone (du)

296
293
295
298
299
291
278
273
280
282
282
282
283
284
285
282
282
283
286
290
291
289
284
284

Sunday 26

Waxing Crescent 22%

12:34

19:04

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: 06:57, Set: 16:56, Transit: 11:57. Moon - Rise: 12:34, Set: 19:04. Civil Dark: 17:31 - 06:22. Nautical Dark: 18:10 - 05:43. Astro Dark: 18:48 - 05:05

Total Clouds (% Sky Obscured)

49
100
100
100
97
99
96
100
100
100
100
99
97
95
97
99
91
89
90
89
87
100
88
81

Low Clouds (% Sky Obscured)

30
55
28
36
26
34
46
58
75
65
100
92
95
92
92
71
56
59
55
52
57
50
62
52

Medium Clouds (% Sky Obscured)

2
79
39
38
79
60
61
99
95
91
83
75
90
46
40
19
51
39
37
25
15
2
2
1

High Clouds (% Sky Obscured)

49
100
99
100
87
86
9
13
100
100
100
87
40
5
70
97
70
14
24
64
56
91
69
63

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

Precipitation Probability (%)

17
8
17
6
3
2
1
8
26
56
73
90
81
52
19
34
16
9
10
27
37
52
37
6

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.4
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
10
12
13
12
13
13
14
14
15
15
14
19
20
21
20
17
17
16
17
19
16
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
3
3
3
3
4
3
3
4
5
7
9
9
10
10
10
10
9
9
9
7
9
8
8

Relative Humidity (%)

81
81
81
79
75
74
68
66
66
74
82
91
90
90
88
87
86
83
86
84
78
87
84
85

Pressure (mb)

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

Ozone (du)

283
282
282
281
279
277
275
274
271
269
267
266
266
265
266
266
267
268
267
268
267
268
271
273

Monday 27

Waxing Crescent 31%

13:20

20:06

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: 06:59, Set: 16:54, Transit: 11:56. Moon - Rise: 13:20, Set: 20:06. Civil Dark: 17:29 - 06:24. Nautical Dark: 18:08 - 05:45. Astro Dark: 18:46 - 05:06

Total Clouds (% Sky Obscured)

86
68
60
85
68
78
84
77
74
69
62
66
87
92
68
81
75
71
87
74
76
79
80
84

Low Clouds (% Sky Obscured)

49
56
51
54
49
56
59
58
64
59
60
61
73
65
47
45
55
66
79
63
65
67
72
73

Medium Clouds (% Sky Obscured)

38
0
0
28
16
17
25
21
21
24
25
25
43
53
23
47
47
34
25
9
5
2
0
6

High Clouds (% Sky Obscured)

1
28
16
2
1
11
0
0
0
0
1
6
0
0
0
0
2
2
4
27
25
30
25
25

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 (%)

8
7
1
4
2
1
1
6
16
17
4
2
2
11
2
4
4
2
3
2
10
14
19
36

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)

17
15
19
21
18
18
18
17
17
16
15
15
12
8
6
6
6
6
6
6
6
8
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
82
72
64
69
68
69
72
73
73
69
66
68
72
74
77
78
81
81
78
76
77
81
87

Pressure (mb)

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

Ozone (du)

273
275
276
275
275
274
274
274
273
273
272
271
270
269
267
265
264
263
263
264
265
266
265
264

Tuesday 28

Waxing Crescent 41%

13:54

21:19

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: 07:00, Set: 16:52, Transit: 11:56. Moon - Rise: 13:54, Set: 21:19. Civil Dark: 17:27 - 06:26. Nautical Dark: 18:06 - 05:47. Astro Dark: 18:45 - 05:08

Total Clouds (% Sky Obscured)

71
79
95
90
98
94
91
88
85
83
80
81
81
82
77
75
70
77
84
91
93
96
100
100

Low Clouds (% Sky Obscured)

70
71
83
77
88
83
62
71
63
57
49
48
46
44
40
43
43
51
58
62
75
87
98
99

Medium Clouds (% Sky Obscured)

14
23
35
42
46
40
33
21
15
10
3
12
21
27
18
9
0
6
11
13
20
30
37
43

High Clouds (% Sky Obscured)

13
19
34
57
60
48
61
47
42
53
57
55
33
30
34
35
29
31
33
39
54
80
100
100

ISS Passover

Visibility (miles)

7
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 (%)

30
23
25
27
21
23
24
20
18
16
8
10
15
6
12
13
11
14
15
8
18
26
32
45

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)

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

Chance of Frost

Temperature (°C)

12
12
12
12
12
13
13
13
13
13
13
13
12
12
12
11
11
11
11
11
11
11
11
11

Feels Like (°C)

8
8
8
8
8
8
8
8
9
8
8
8
8
7
7
7
7
7
8
8
8
8
8
8

Dew Point (°C)

10
10
10
10
10
10
10
10
10
10
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Relative Humidity (%)

90
90
90
87
87
86
80
78
79
79
79
80
81
81
81
87
86
88
87
87
87
85
87
88

Pressure (mb)

1012
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1008

Ozone (du)

264
264
263
264
264
265
266
265
265
265
264
263
263
262
262
263
264
264
264
265
265
265
264
265

Wednesday 29

First Quarter 51%

14:19

22:37

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: 07:02, Set: 16:51, Transit: 11:56. Moon - Rise: 14:19, Set: 22:37. Civil Dark: 17:25 - 06:27. Nautical Dark: 18:04 - 05:48. Astro Dark: 18:43 - 05:10

Total Clouds (% Sky Obscured)

100
100
100
100
99
100
100
100
100
100
100
97
93
91
100
100
100
99
97
96
97
99
100
100

Low Clouds (% Sky Obscured)

99
98
92
86
79
71
64
56
69
82
95
88
80
72
71
79
88
84
80
76
64
54
45
60

Medium Clouds (% Sky Obscured)

97
100
85
71
56
69
81
93
91
84
99
95
90
87
100
100
100
97
93
86
85
84
90
85

High Clouds (% Sky Obscured)

100
100
98
96
96
97
98
100
100
100
100
72
43
25
100
100
100
92
84
78
85
89
89
92

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

54
58
54
45
28
33
29
10
34
47
60
84
95
95
51
61
71
67
61
53
50
45
30
17

Precipitation Amount (mm)

0.3
0.6
0.4
0.2
0
0
0
0
0
0
0
0.4
0.7
0.8
0.2
0.4
0.5
0.4
0.4
0.3
0.2
0
0
0

Wind Speed/Direction (mph)

6
4
3
4
5
6
7
8
9
10
10
9
9
10
10
5
4
5
4
3
3
2
2
1

Chance of Frost

Temperature (°C)

10
10
10
10
10
11
12
12
13
13
13
13
12
12
12
12
11
11
11
11
11
11
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
90
88
85
84
81
83
84
80
80
81
86
90
93
93
95
96
96
96
98
96
96
98

Pressure (mb)

1008
1008
1007
1007
1007
1006
1006
1005
1005
1004
1003
1002
1001
1001
1001
1002
1002
1001
1001
1000
1000
999
999
999

Ozone (du)

266
267
268
268
266
265
265
265
265
264
265
265
266
265
265
264
264
263
264
265
265
265
265
265

Thursday 30

Waxing Gibbous 62%

14:37

23:58

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: 07:04, Set: 16:49, Transit: 11:56. Moon - Rise: 14:37, Set: 23:58. Civil Dark: 17:24 - 06:29. Nautical Dark: 18:03 - 05:50. Astro Dark: 18:41 - 05:11

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
90
83
84
81
70
66
70

Low Clouds (% Sky Obscured)

73
85
77
68
60
58
56
55
56
54
51
54
50
53
52
57
52
52
56
60
70
70
66
70

Medium Clouds (% Sky Obscured)

79
74
60
52
43
37
31
29
33
36
26
22
22
23
23
23
23
23
29
35
35
35
35
30

High Clouds (% Sky Obscured)

96
100
100
100
100
88
76
62
65
69
73
81
89
95
97
98
100
90
83
84
58
29
0
4

ISS Passover

Visibility (miles)

8
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
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

12
11
16
15
1
1
2
1
11
17
19
18
20
17
14
10
1
5
9
8
39
66
84
87

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.5
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
98
93
88
85
77
71
65
66
67
68
72
74
78
77
77
78
76
78
78
78
78
79

Pressure (mb)

999
999
999
999
1000
1000
1000
1000
1000
1000
1000
1000
1001
1001
1001
1001
1001
1001
1001
1001
1001
1000
1000
999

Ozone (du)

266
266
267
270
272
274
273
272
271
272
272
272
279
285
292
290
287
285
287
290
292
291
291
290

Friday 31

Waxing Gibbous 72%

14:52

01:20

Sun - Rise: 07:06, Set: 16:47, Transit: 11:56. Moon - Rise: 14:52, Set: 01:20. Civil Dark: 17:22 - 06:31. Nautical Dark: 18:01 - 05:51. Astro Dark: 18:40 - 05:13

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 Barry, Vale of Glamorgan, United Kingdom (51.40,-3.28)

Generated: 25/10/25 03:17:38. Forecast: 25/10/25 to 31/10/25. Timezone: UTC+1.00