Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 8

Waning Gibbous 82%

18:21

11:40

11 OK
12 OK
13 OK
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 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:21, Set: 16:33, Transit: 11:56. Moon - Rise: 18:21, Set: 11:40. Civil Dark: 17:09 - 06:45. Nautical Dark: 17:49 - 06:05. Astro Dark: 18:28 - 05:26

Total Clouds (% Sky Obscured)

21
29
24
27
17
33
63
96
93
97
73
67
99
71
79
61
61
78
73
99
100
100
99
100

Low Clouds (% Sky Obscured)

21
24
24
8
17
33
62
60
58
60
50
37
31
32
41
49
51
55
54
58
65
58
88
89

Medium Clouds (% Sky Obscured)

0
0
0
0
0
2
10
17
26
55
51
67
92
52
68
26
21
40
44
25
25
40
68
79

High Clouds (% Sky Obscured)

0
0
0
0
0
0
3
90
76
93
53
62
77
1
2
0
3
8
5
60
100
100
85
99

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
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
Light Rain

Precipitation Probability (%)

0
0
0
3
2
2
0
0
0
0
0
1
0
0
0
0
0
1
2
0
6
15
44
83

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
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
9
10
10
9
9
8
8
8
8
8
8
7
7
7
7
7
8
8
9
9
10
10

Relative Humidity (%)

80
78
76
80
83
88
93
93
93
95
95
93
93
91
93
95
93
95
96
96
96
96
93
92

Pressure (mb)

1014
1014
1014
1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1013

Ozone (du)

281
281
281
280
278
273
269
265
263
264
263
262
262
265
267
267
268
268
269
268
267
268
268
268

Sunday 9

Waning Gibbous 72%

19:39

12:35

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:23, Set: 16:32, Transit: 11:57. Moon - Rise: 19:39, Set: 12:35. Civil Dark: 17:08 - 06:47. Nautical Dark: 17:48 - 06:07. Astro Dark: 18:27 - 05:28

Total Clouds (% Sky Obscured)

97
100
100
100
100
100
100
100
100
100
100
93
95
60
96
62
66
80
88
86
100
97
98
99

Low Clouds (% Sky Obscured)

86
89
100
98
93
73
73
70
66
78
74
75
56
41
37
57
49
28
43
55
66
61
69
99

Medium Clouds (% Sky Obscured)

95
100
76
66
65
19
31
38
76
99
100
41
84
60
78
46
64
80
71
27
68
60
50
50

High Clouds (% Sky Obscured)

32
100
80
100
99
99
100
100
100
14
5
55
56
4
83
0
0
13
64
41
90
90
85
80

ISS Passover

Visibility (miles)

9
9
9
9
6
9
7
8
3
6
8
8
3
3
9
9
4
6
6
7
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
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
None
None
Light Rain
Very Light Rain
None
Very Light Rain
None
None
None
Light Rain

Precipitation Probability (%)

91
95
72
80
68
57
64
61
57
56
57
65
91
61
40
42
71
65
47
51
25
25
57
94

Precipitation Amount (mm)

0.7
0.8
0.4
0.5
0.2
0
0
0
0
0
0
0.3
1.1
0.4
0
0
0.6
0.3
0
0.3
0
0
0
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
13
13
13
13
13
13
12
12
12
12
12
11
12
11
11
11
10
10
10
10
9
10
11

Feels Like (°C)

9
9
10
10
10
9
9
8
9
9
9
9
10
9
8
8
8
9
8
7
7
7
8
8

Dew Point (°C)

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

Relative Humidity (%)

89
87
87
86
90
92
93
93
95
95
93
96
96
95
92
90
93
93
91
93
91
91
91
87

Pressure (mb)

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

Ozone (du)

265
266
267
266
266
270
269
271
275
277
277
278
277
276
277
277
277
282
285
292
295
299
303
309

Monday 10

Waning Gibbous 61%

21:04

13:12

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

Sun - Rise: 07:25, Set: 16:30, Transit: 11:57. Moon - Rise: 21:04, Set: 13:12. Civil Dark: 17:06 - 06:48. Nautical Dark: 17:47 - 06:08. Astro Dark: 18:26 - 05:29

Total Clouds (% Sky Obscured)

93
87
94
90
86
86
83
87
60
25
51
82
95
100
100
96
100
100
100
99
98
96
97
97

Low Clouds (% Sky Obscured)

93
87
92
74
73
86
81
56
39
0
22
5
24
22
3
9
55
82
88
87
82
78
74
73

Medium Clouds (% Sky Obscured)

50
47
48
27
59
38
42
42
18
0
51
66
90
66
94
78
68
91
100
97
89
89
86
79

High Clouds (% Sky Obscured)

80
81
72
81
14
4
0
4
15
15
29
69
81
58
100
84
100
100
100
81
64
42
54
54

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
6
4
5

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

Precipitation Probability (%)

95
87
75
54
45
45
39
8
3
0
0
0
1
0
0
5
38
71
95
70
92
95
95
82

Precipitation Amount (mm)

1.4
0.4
0.6
0.2
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0.6
0.9
0.5
0.8
1
1
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
77
76
81
84
88
93
95
93
93
95
93
91
93
95
93
93
93
93
91
91
92
92
93

Pressure (mb)

1004
1003
1003
1003
1003
1003
1004
1004
1005
1005
1006
1006
1006
1006
1007
1006
1006
1005
1005
1004
1004
1004
1004
1004

Ozone (du)

310
312
313
312
310
309
305
306
305
304
307
310
306
304
302
301
299
297
295
296
292
288
285
282

Tuesday 11

Waning Gibbous 50%

22:28

13:36

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:26, Set: 16:29, Transit: 11:57. Moon - Rise: 22:28, Set: 13:36. Civil Dark: 17:05 - 06:50. Nautical Dark: 17:45 - 06:10. Astro Dark: 18:24 - 05:31

Total Clouds (% Sky Obscured)

98
98
95
93
97
97
96
97
98
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

72
73
70
71
74
73
71
74
77
80
80
79
79
82
86
91
91
91
90
86
81
77
84
92

Medium Clouds (% Sky Obscured)

70
67
46
41
54
61
51
74
80
89
93
96
99
99
100
100
99
99
99
99
100
100
100
100

High Clouds (% Sky Obscured)

72
66
65
51
72
72
52
81
83
84
75
59
46
61
80
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

52
39
33
28
31
26
16
25
27
38
68
42
52
51
44
29
66
89
95
95
95
88
87
90

Precipitation Amount (mm)

0.3
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0.2
0.5
0.7
0.7
0.6
0.5
0.5
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
14
14
14
14
13
13
13
13
13
13
13
13
13
13
12
12
12
12
12
12
12
13
13

Feels Like (°C)

9
10
9
10
10
10
10
8
8
8
8
8
7
8
9
9
9
9
9
9
9
9
10
9

Dew Point (°C)

12
12
12
12
12
12
12
11
11
11
11
12
11
11
11
11
11
11
11
11
11
11
12
12

Relative Humidity (%)

92
90
87
86
86
89
89
89
86
86
89
93
90
92
92
92
93
93
93
93
92
93
95
93

Pressure (mb)

1004
1003
1003
1003
1003
1003
1002
1003
1002
1002
1002
1002
1002
1002
1001
1001
1000
1000
1000
999
999
1000
1000
999

Ozone (du)

280
277
276
274
273
273
274
276
276
276
276
277
277
277
278
278
279
277
277
278
280
283
284
283

Wednesday 12

Third Quarter 39%

23:48

13:53

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:28, Set: 16:27, Transit: 11:57. Moon - Rise: 23:48, Set: 13:53. Civil Dark: 17:04 - 06:52. Nautical Dark: 17:44 - 06:11. Astro Dark: 18:23 - 05:32

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
82
82
79
68
73
78
83
91
97
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
97
93
90
88
86
82
79
74
68
70
73
75
72
73
73
69
65
61
66
71
77
77
77

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
61
41
57
2
4
27
52
51
60
70
78
88
93
97
100
100
98
98

High Clouds (% Sky Obscured)

100
100
100
100
86
97
82
63
35
10
15
15
25
53
85
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
95
95
85
91
95
95
80
53
50
48
44
66
59
26
33
36
37
46
50
52
68
78

Precipitation Amount (mm)

0.8
1.6
2
1
0.5
0.6
0.8
0.6
0.5
0.3
0.3
0
0
0.3
0.3
0
0
0
0
0
0
0
0.3
0.4

Wind Speed/Direction (mph)

16
13
15
12
7
12
9
8
8
7
7
7
7
8
7
7
7
6
5
4
3
3
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
12
11
11
10
10
10
10
10
10
11
11
11
11
11
11
11
10
11
11
11

Relative Humidity (%)

92
95
95
96
96
93
93
93
95
93
93
95
95
98
96
96
98
96
96
95
95
98
98
98

Pressure (mb)

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

Ozone (du)

286
287
288
291
297
298
297
297
299
297
298
297
296
295
295
294
293
294
294
295
294
294
294
292

Thursday 13

Waning Crescent 29%

01:04

14:06

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:30, Set: 16:26, Transit: 11:57. Moon - Rise: 01:04, Set: 14:06. Civil Dark: 17:02 - 06:53. Nautical Dark: 17:43 - 06:13. Astro Dark: 18:22 - 05:33

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
98
97
96
94
94

Low Clouds (% Sky Obscured)

76
81
86
92
91
89
88
88
88
88
86
84
84
83
81
78
78
77
77
82
87
92
90
88

Medium Clouds (% Sky Obscured)

100
100
100
100
89
76
64
75
87
98
99
99
100
100
100
100
93
85
78
61
48
35
35
33

High Clouds (% Sky Obscured)

100
100
100
100
91
82
73
59
45
31
38
45
52
50
50
54
59
62
67
46
25
4
32
65

ISS Passover

Visibility (miles)

1
1
1
2
3
5
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

92
92
91
94
93
90
82
92
95
95
95
95
95
93
74
53
51
46
37
35
34
33
41
48

Precipitation Amount (mm)

0.6
0.7
0.6
0.6
0.7
0.6
0.6
0.7
0.9
1.2
0.9
0.9
1.2
0.8
0.4
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
12
12
12
12
12
13
13
13
13
13
13
13
13
13
13
13
13
13
12
12
13
13
13

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
11
11
11
11
11
10
10
10
10

Relative Humidity (%)

98
98
98
98
96
96
93
93
93
95
93
93
93
92
92
89
87
89
87
89
87
86
84
83

Pressure (mb)

1001
1000
1000
999
998
998
997
997
997
997
997
997
996
996
996
996
996
995
995
995
995
995
995
995

Ozone (du)

291
289
289
289
289
289
289
289
289
290
290
291
291
292
294
296
298
302
307
311
313
315
317
318

Friday 14

Waning Crescent 21%

02:17

14:17

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
05 Bad

Sun - Rise: 07:32, Set: 16:24, Transit: 11:57. Moon - Rise: 02:17, Set: 14:17. Civil Dark: 17:01 - 06:55. Nautical Dark: 17:42 - 06:14. Astro Dark: 18:21 - 05:35

Total Clouds (% Sky Obscured)

92
96
96
96
97
98
99
98
96
93
93
96
99
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

86
86
91
96
89
83
75
74
76
78
81
86
88
91
91
91
94
97
100

Medium Clouds (% Sky Obscured)

35
36
37
38
38
38
34
36
42
43
51
55
54
64
70
76
62
50
32

High Clouds (% Sky Obscured)

92
96
96
96
97
97
95
93
90
88
91
94
98
99
100
100
73
45
21

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
6
3
0
1
1
1
4
6

Fog (%)

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

Precipitation Probability (%)

56
64
68
71
65
60
55
56
53
43
52
57
60
50
41
30
28
25
22

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
14
14
14
13
13
12
11
11
10
10
10
10
10
10
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

11
11
11
11
11
10
10
10
10
9
9
9
9
9
9
9
9
9
9

Relative Humidity (%)

83
82
82
82
83
86
87
92
93
93
95
95
96
96
96
95
95
93
90

Pressure (mb)

995
995
995
995
995
996
996
996
997
997
998
998
998
999
999
999
999
999
1000

Ozone (du)

319
320
322
324
326
328
330
332
328
323
319
320
320
321
318
315
311
307
303

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

Generated: 08/11/25 11:42:27. Forecast: 08/11/25 to 14/11/25. Timezone: UTC+0.00