Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 31

Waxing Gibbous 72%

15:13

01:22

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 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 OK
16 OK
17 OK

Sun - Rise: 07:18, Set: 16:45, Transit: 12:02. Moon - Rise: 15:13, Set: 01:22. Civil Dark: 17:22 - 06:41. Nautical Dark: 18:05 - 06:00. Astro Dark: 18:45 - 05:20

Total Clouds (% Sky Obscured)

42
72
45
100
100
100
100
88
100
85
86
100
100
100
79
26
59
100
100
96
46
7
22
15

Low Clouds (% Sky Obscured)

24
19
27
72
89
73
60
79
57
38
64
79
70
69
24
26
40
41
35
22
16
7
22
15

Medium Clouds (% Sky Obscured)

42
67
45
100
99
100
100
51
100
24
59
96
66
78
5
3
24
100
100
82
21
0
15
0

High Clouds (% Sky Obscured)

42
58
45
100
100
100
100
7
86
6
7
100
100
100
62
4
19
74
50
0
0
0
0
0

ISS Passover

Visibility (miles)

8
9
7
8
6
2
6
5
2
9
9
8
8
9
9
9
9
9
8
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
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
4
4
80
95
95
95
95
95
53
63
80
84
63
16
7
11
20
15
5
12
29
21
10

Precipitation Amount (mm)

0
0
0
0.4
1.2
3.2
0.6
0.8
1
0
0.2
0.3
0.4
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

27
23
19
19
22
25
29
31
37
35
26
26
26
21
17
19
19
20
21
21
20
20
18
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
86
84
86
84
87
84
83
86
76
83
79
78
76
76
75
75
72
71
68
67
66
63

Pressure (mb)

992
992
991
991
990
988
987
986
985
986
988
989
991
992
993
995
996
997
998
999
999
1000
1000
1000

Ozone (du)

307
311
314
314
318
317
321
326
318
318
319
318
319
320
318
315
316
322
321
321
324
325
324
322

Saturday 1

Waxing Gibbous 82%

15:23

02:48

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

Sun - Rise: 07:20, Set: 16:43, Transit: 12:02. Moon - Rise: 15:23, Set: 02:48. Civil Dark: 17:20 - 06:43. Nautical Dark: 18:03 - 06:02. Astro Dark: 18:43 - 05:22

Total Clouds (% Sky Obscured)

15
41
100
100
100
100
100
100
100
89
43
42
28
31
22
20
44
34
78
70
98
64
49
70

Low Clouds (% Sky Obscured)

3
4
61
89
80
100
91
77
60
68
43
42
28
31
22
20
44
34
44
39
40
17
40
70

Medium Clouds (% Sky Obscured)

0
1
100
100
100
100
100
100
100
64
0
0
0
2
3
2
15
3
24
8
24
53
25
56

High Clouds (% Sky Obscured)

2
10
22
82
100
100
100
25
0
0
0
0
0
0
0
0
0
1
25
30
92
34
0
0

ISS Passover

Visibility (miles)

9
9
9
9
6
2
3
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
Very Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

4
24
57
81
95
95
95
65
21
17
17
4
0
0
3
10
11
16
13
19
11
8
3
14

Precipitation Amount (mm)

0
0
0.3
0.4
1.5
2.6
0.8
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

19
21
22
23
23
25
24
21
16
13
12
11
10
10
9
11
14
16
18
18
19
18
19
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
60
61
62
65
77
88
77
76
76
74
74
72
69
72
72
72
73
72
69
71
72
69
69

Pressure (mb)

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

Ozone (du)

319
319
318
318
320
322
325
328
328
329
328
324
321
317
317
321
321
315
307
304
303
300
296
288

Sunday 2

Waxing Gibbous 90%

15:34

04:17

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:22, Set: 16:41, Transit: 12:02. Moon - Rise: 15:34, Set: 04:17. Civil Dark: 17:18 - 06:45. Nautical Dark: 18:01 - 06:04. Astro Dark: 18:42 - 05:23

Total Clouds (% Sky Obscured)

74
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

56
80
89
94
94
79
83
86
87
80
87
80
86
82
90
89
76
88
84
81
80
82
86
90

Medium Clouds (% Sky Obscured)

50
54
100
97
100
100
100
100
100
75
78
96
73
96
97
72
77
100
88
77
63
75
88
100

High Clouds (% Sky Obscured)

48
100
100
100
100
100
100
100
100
100
35
100
100
100
100
100
100
100
99
98
97
98
99
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

22
45
80
95
95
85
95
95
95
95
77
70
95
77
72
50
63
72
49
53
70
83
76
86

Precipitation Amount (mm)

0
0
0.4
1.6
1
0.5
0.7
1.1
1.4
0.8
0.2
0.2
1.1
0.5
0.4
0
0
0.6
0
0
0.4
0.4
0.2
0.5

Wind Speed/Direction (mph)

20
21
22
24
27
28
27
27
27
28
29
30
30
27
28
27
27
26
28
28
28
27
27
27

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
75
80
83
93
93
90
92
89
92
92
93
92
93
93
93
93
93
92
93
92
92
95
95

Pressure (mb)

1007
1007
1006
1005
1004
1003
1003
1002
1002
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001

Ozone (du)

284
283
280
279
279
278
278
278
278
280
279
280
278
278
277
277
277
277
278
276
275
276
276
273

Monday 3

Waxing Gibbous 96%

15:46

05:50

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:24, Set: 16:39, Transit: 12:02. Moon - Rise: 15:46, Set: 05:50. Civil Dark: 17:17 - 06:47. Nautical Dark: 17:58 - 06:05. Astro Dark: 18:40 - 05:25

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
97
96
96

Low Clouds (% Sky Obscured)

89
89
89
88
89
89
92
87
95
96
96
97
95
94
93
95
98
100
98
96
94
92
91
89

Medium Clouds (% Sky Obscured)

93
84
74
83
62
100
100
100
100
97
93
92
88
88
88
68
52
40
58
51
84
74
69
69

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
95
100
100
100
92
85
80
81
82
83
79
74
75

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

72
50
68
80
68
71
85
95
95
95
95
95
95
95
87
84
75
92
82
89
95
57
87
95

Precipitation Amount (mm)

0.3
0
0.4
0.6
0.4
0.4
0.6
0.9
1.1
0.8
0.9
2.2
1.7
0.8
0.4
0.5
0.2
0.5
0.4
0.7
1.1
0
0.6
0.9

Wind Speed/Direction (mph)

27
27
27
27
27
27
27
27
27
26
26
26
26
26
26
25
26
26
26
26
25
25
23
22

Chance of Frost

Temperature (°C)

14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
15
15
15
14
14
14
14

Feels Like (°C)

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

Dew Point (°C)

13
13
13
13
13
13
13
13
13
13
13
14
14
13
14
13
14
14
14
14
13
13
13
13

Relative Humidity (%)

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

Pressure (mb)

1001
1002
1002
1002
1002
1002
1002
1002
1001
1001
1001
1001
1001
1000
1001
1001
1000
1000
1000
1000
1000
1000
1000
1000

Ozone (du)

273
274
277
279
280
283
284
285
285
285
285
286
286
286
286
287
286
285
285
287
287
287
285
283

Tuesday 4

Waxing Gibbous 99%

16:04

07:28

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:26, Set: 16:38, Transit: 12:02. Moon - Rise: 16:04, Set: 07:28. Civil Dark: 17:15 - 06:48. Nautical Dark: 17:57 - 06:07. Astro Dark: 18:39 - 05:26

Total Clouds (% Sky Obscured)

97
98
100
100
100
100
100
100
100
100
99
99
99
98
98
98
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

91
93
94
93
93
93
91
89
87
90
93
93
93
84
78
73
69
63
62
54
51
39
35
31

Medium Clouds (% Sky Obscured)

77
81
88
82
78
69
77
88
100
89
83
74
81
56
34
51
67
82
87
93
100
100
100
100

High Clouds (% Sky Obscured)

73
80
100
100
100
100
100
100
100
78
39
4
46
69
90
94
99
100
99
97
98
90
84
75

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
91
95
92
95
95
95
95
88
65
47
37
47
56
73
88
95
95
95
95
95
80
70

Precipitation Amount (mm)

0.9
1
0.5
0.7
0.5
0.6
0.8
1.1
0.7
0.3
0.2
0
0
0
0.2
0.3
0.5
0.7
0.8
1.1
1
0.7
0.5
0.3

Wind Speed/Direction (mph)

21
20
20
19
17
16
16
15
14
10
7
5
5
7
8
9
10
11
12
12
11
10
11
12

Chance of Frost

Temperature (°C)

14
14
14
14
14
14
13
14
14
14
14
13
13
13
13
13
13
14
14
14
14
14
14
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
93
92
95
93
93
93
93
95
95
92
93
93
93
92
90
90
90
87
87
86
84
86
89

Pressure (mb)

1000
1000
1000
999
999
999
999
998
997
997
997
997
997
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000

Ozone (du)

281
281
282
284
287
286
287
289
290
289
291
292
290
290
289
289
290
291
292
293
294
295
298
300

Wednesday 5

Full Moon 100%

16:30

09:09

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:28, Set: 16:36, Transit: 12:02. Moon - Rise: 16:30, Set: 09:09. Civil Dark: 17:13 - 06:50. Nautical Dark: 17:55 - 06:09. Astro Dark: 18:37 - 05:28

Total Clouds (% Sky Obscured)

93
90
90
97
99
100
100
100
100
100
100
100
98
95
93
81
69
70
64
58
51
58
67
81

Low Clouds (% Sky Obscured)

19
11
3
17
30
39
39
35
31
32
34
30
24
23
17
9
4
1
0
0
0
1
4
6

Medium Clouds (% Sky Obscured)

90
81
77
84
87
86
79
71
63
53
38
24
42
60
78
67
60
61
64
58
48
43
46
51

High Clouds (% Sky Obscured)

81
86
90
90
94
97
98
99
100
91
87
84
85
78
75
68
60
48
52
58
51
58
67
71

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

65
54
52
52
47
49
54
51
42
35
38
41
37
36
31
23
20
11
16
24
11
19
21
31

Precipitation Amount (mm)

0.3
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
12
10
8
8
8
9
7
10
15
16
17
17
18
17
17
16
14
12
10
9
9
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
10
10
10
10
10
10
9
8
8
8
7
7
3
2
0
1
1
2
4
4
5
5
4

Dew Point (°C)

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

Relative Humidity (%)

90
89
89
87
86
84
84
86
87
88
87
85
87
82
78
74
73
72
70
68
67
66
72
77

Pressure (mb)

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

Ozone (du)

303
307
312
316
323
329
335
341
346
352
350
349
348
344
340
336
325
314
303
294
285
275
272
269

Thursday 6

Waning Gibbous 96%

17:10

10:44

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
11 Bad

Sun - Rise: 07:30, Set: 16:34, Transit: 12:02. Moon - Rise: 17:10, Set: 10:44. Civil Dark: 17:12 - 06:52. Nautical Dark: 17:53 - 06:10. Astro Dark: 18:35 - 05:30

Total Clouds (% Sky Obscured)

85
90
95
96
97
97
98
99
100
100
100
100
100
100
100
99
99
98

Low Clouds (% Sky Obscured)

22
39
55
63
73
82
78
77
73
74
73
72
69
63
60
68
77
84

Medium Clouds (% Sky Obscured)

59
62
68
74
78
82
86
90
93
89
87
87
72
54
33
30
29
24

High Clouds (% Sky Obscured)

62
54
47
43
35
34
53
72
91
82
75
70
68
67
75
83
86
74

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

45
58
65
74
90
88
69
68
59
70
92
88
70
58
36
30
40
44

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
13
16
20
22
23
25
24
23
22
22
22
21
19
16
15
17
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
87
90
95
93
93
95
95
93
95
95
95
93
93
92
90
89
87

Pressure (mb)

1003
1003
1002
1002
1001
1001
1000
1000
999
999
998
998
997
997
997
997
997
997

Ozone (du)

266
265
264
263
262
261
261
259
257
255
257
259
260
262
263
265
268
270

Forecast for Holyhead, Anglesey, United Kingdom (53.30,-4.65)

Generated: 31/10/25 18:11:26. Forecast: 31/10/25 to 06/11/25. Timezone: UTC+0.00