Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 2

First Quarter 50%

13:22

00:39

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

Sun - Rise: 05:00, Set: 21:41, Transit: 13:20. Moon - Rise: 13:22, Set: 00:39. Civil Dark: 22:30 - 04:11. Nautical Dark: 23:48 - 02:54. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

2
13
43
9
12
13
12
23
1
7
13
9
11
20
54
73
72
77
64
58
50
56
48
73

Low Clouds (% Sky Obscured)

2
13
35
9
12
13
12
23
0
7
13
9
11
20
24
33
37
43
44
40
49
54
45
40

Medium Clouds (% Sky Obscured)

2
13
43
3
0
0
0
0
0
0
0
0
0
8
0
0
60
60
64
58
3
8
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
42
55
45
18
0
0
12
1
15
47

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
3
0
2
2
5
6
4
5
14
9
3
12
13
14
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
11
12
12
12
11
10
9
8
8
7
5
4
3
1
1
2
1
0
1
2
4
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
12
12
14
15
15
16
15
14
14
13
14
14
14
12
11
12
11
12
13
14
15
14

Dew Point (°C)

10
10
10
10
11
10
10
10
11
11
11
11
11
11
10
10
10
10
10
11
11
11
11
11

Relative Humidity (%)

64
64
66
69
70
68
69
70
74
80
86
89
90
90
87
89
89
87
87
89
84
83
80
75

Pressure (mb)

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

Ozone (du)

346
351
355
359
358
351
348
348
350
353
354
357
356
353
352
352
352
354
355
356
354
353
352
352

Thursday 3

Waxing Gibbous 59%

14:34

00:49

11 Bad
12 Bad
13 Bad
14 Bad
15 Good
16 Good
17 Good
18 Good
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: 05:01, Set: 21:40, Transit: 13:20. Moon - Rise: 14:34, Set: 00:49. Civil Dark: 22:29 - 04:12. Nautical Dark: 23:47 - 02:55. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
78
70
75
5
9
9
11
64
68
54
74
86
100
100
100
100
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

38
23
5
0
0
8
0
0
16
24
37
44
39
36
37
42
40
31
9
0
7
35
43
50

Medium Clouds (% Sky Obscured)

0
1
0
2
2
2
7
8
2
0
0
0
9
15
0
61
82
48
84
93
100
90
83
92

High Clouds (% Sky Obscured)

100
76
60
50
0
0
0
0
50
55
37
69
60
100
100
100
100
99
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
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
4
14
10
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)

8
10
10
10
9
9
10
9
9
9
9
9
9
8
7
7
7
7
6
5
6
7
10
14

Chance of Frost

Temperature (°C)

15
15
16
16
16
16
16
16
15
15
14
13
14
13
13
13
13
13
13
13
14
15
16
16

Feels Like (°C)

13
13
14
15
15
15
15
15
14
15
14
12
12
13
12
12
11
12
12
12
12
14
13
13

Dew Point (°C)

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

Relative Humidity (%)

74
73
70
69
69
69
73
73
75
82
89
92
93
95
95
95
95
93
90
87
86
82
79
75

Pressure (mb)

1029
1030
1030
1030
1030
1030
1030
1029
1029
1029
1029
1030
1029
1029
1029
1029
1028
1028
1028
1028
1027
1027
1027
1027

Ozone (du)

355
357
359
360
362
366
369
372
367
357
351
348
344
340
335
333
332
331
330
328
328
328
328
327

Friday 4

Waxing Gibbous 69%

15:46

01:01

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: 05:02, Set: 21:40, Transit: 13:20. Moon - Rise: 15:46, Set: 01:01. Civil Dark: 22:28 - 04:13. Nautical Dark: 23:45 - 02:57. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99

Low Clouds (% Sky Obscured)

43
38
33
30
28
63
71
46
55
74
98
100
100
100
100
100
100
100
100
100
98
95
93
93

Medium Clouds (% Sky Obscured)

70
59
65
59
67
68
63
89
100
100
100
100
100
100
85
65
99
99
100
100
97
91
80
73

High Clouds (% Sky Obscured)

100
100
100
99
100
80
55
40
78
98
49
7
26
3
8
13
18
15
8
5
5
10
20
20

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
3
3
3
5
5
1
1
0
0
0
0
0
0
0
0

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
1
2
5
11
42
69
95
95
95
95
95
64
95
94
95
95
95
95
80
80
57

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.4
1.1
1.2
0.8
1.1
1.4
0.3
1.1
0.7
2
2.3
0.6
1.3
0.6
0.7
0.3

Wind Speed/Direction (mph)

16
17
17
18
20
20
19
20
19
19
19
17
19
19
17
17
18
18
17
17
16
15
14
14

Chance of Frost

Temperature (°C)

17
17
17
17
17
17
16
16
15
15
15
15
15
15
15
15
15
15
15
15
15
15
16
16

Feels Like (°C)

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

Dew Point (°C)

12
12
13
13
13
13
14
14
14
14
14
14
14
14
14
14
15
15
15
15
15
15
15
16

Relative Humidity (%)

74
75
76
78
78
78
83
87
90
93
93
93
93
93
96
96
98
98
98
100
98
98
98
98

Pressure (mb)

1027
1026
1026
1025
1025
1024
1024
1023
1022
1022
1021
1021
1020
1019
1018
1018
1017
1016
1015
1015
1014
1014
1013
1013

Ozone (du)

327
326
325
325
324
322
321
320
320
320
321
320
318
318
316
315
314
315
313
315
316
318
320
321

Saturday 5

Waxing Gibbous 77%

17:01

01:16

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: 05:03, Set: 21:39, Transit: 13:21. Moon - Rise: 17:01, Set: 01:16. Civil Dark: 22:28 - 04:15. Nautical Dark: 23:44 - 02:59. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
99
99
99
99
98
98
98
98
98
99
98
99
98
99
99
100
99
99
99
99
99
99
98

Low Clouds (% Sky Obscured)

93
94
92
91
89
87
86
85
83
82
80
81
81
82
86
89
93
92
90
90
89
86
82
79

Medium Clouds (% Sky Obscured)

31
3
4
6
2
0
0
0
12
22
31
33
37
37
43
45
35
27
25
23
19
15
15
22

High Clouds (% Sky Obscured)

25
30
40
43
48
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
4
9
9
9
7
6
5
3
4
7
7
5
5
6
6

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

69
54
51
24
31
36
24
37
40
33
22
24
34
42
64
88
95
95
95
95
90
71
63
57

Precipitation Amount (mm)

0.3
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.7
0.9
0.7
0.8
0.9
0.6
0.4
0.5
0.3

Wind Speed/Direction (mph)

13
12
11
11
11
10
10
10
9
9
10
11
11
12
12
14
15
17
16
15
14
14
15
15

Chance of Frost

Temperature (°C)

16
16
16
16
17
17
16
16
16
16
15
15
15
14
14
14
14
14
14
13
13
13
13
13

Feels Like (°C)

13
13
13
13
14
13
13
13
13
13
12
12
11
10
10
10
10
10
8
9
9
9
9
9

Dew Point (°C)

16
16
16
16
16
16
16
16
16
15
14
13
13
13
13
13
13
13
13
12
12
12
12
12

Relative Humidity (%)

98
98
96
98
98
98
98
98
98
96
93
89
87
89
90
93
95
93
93
90
90
92
93
93

Pressure (mb)

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

Ozone (du)

324
326
327
328
328
328
336
339
344
348
353
359
357
355
358
359
360
360
361
364
362
360
361
360

Sunday 6

Waxing Gibbous 85%

18:16

01:36

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: 05:04, Set: 21:39, Transit: 13:21. Moon - Rise: 18:16, Set: 01:36. Civil Dark: 22:27 - 04:16. Nautical Dark: 23:43 - 03:01. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
98
99
99
100
100
100
100
100
100
100
95
85
61
57
45
49
62
75
89
92
95
99
85

Low Clouds (% Sky Obscured)

76
74
79
85
90
90
89
89
97
99
97
92
85
61
57
45
49
62
75
89
92
95
99
83

Medium Clouds (% Sky Obscured)

24
29
38
48
56
53
44
33
38
46
54
54
54
57
46
38
15
10
10
15
14
28
35
33

High Clouds (% Sky Obscured)

0
0
0
0
0
0
4
20
75
75
65
45
58
61
57
30
5
17
27
38
30
24
14
12

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

54
56
52
55
60
53
63
81
66
63
62
51
42
35
40
46
52
59
64
69
53
44
43
35

Precipitation Amount (mm)

0.3
0.4
0.2
0.2
0.4
0
0.3
0.8
0.5
0.4
0.4
0.3
0
0
0
0
0.2
0.3
0.4
0.5
0.2
0
0
0

Wind Speed/Direction (mph)

14
14
14
14
14
13
12
12
12
18
19
19
20
20
20
20
19
19
19
19
19
19
18
18

Chance of Frost

Temperature (°C)

14
14
14
14
15
15
15
15
15
15
15
14
14
14
13
13
13
13
13
13
12
13
13
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
95
95
93
90
87
87
86
84
84
83
84
86
87
89
90
90
89
89
86
84
83
82

Pressure (mb)

1004
1004
1004
1004
1004
1005
1005
1005
1005
1006
1007
1007
1007
1007
1008
1008
1008
1008
1008
1008
1008
1009
1009
1010

Ozone (du)

359
359
359
360
360
358
357
357
355
355
356
356
355
354
353
352
351
350
348
346
344
344
343
343

Monday 7

Waxing Gibbous 91%

19:29

02:07

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 Good
04 Good
05 Good
06 Good
07 Good
08 OK
09 OK
10 OK

Sun - Rise: 05:05, Set: 21:38, Transit: 13:21. Moon - Rise: 19:29, Set: 02:07. Civil Dark: 22:26 - 04:17. Nautical Dark: 23:41 - 03:03. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

71
56
64
72
80
85
92
97
98
99
100
89
78
67
45
23
1
1
2
2
5
8
11
33

Low Clouds (% Sky Obscured)

68
52
40
24
11
6
6
6
6
10
17
16
19
21
18
12
1
1
2
2
5
8
11
15

Medium Clouds (% Sky Obscured)

38
43
44
34
25
27
31
33
54
75
96
81
66
53
37
20
1
1
1
0
0
0
0
0

High Clouds (% Sky Obscured)

8
4
4
6
12
17
23
25
25
25
25
22
19
17
18
11
0
0
0
0
1
1
1
6

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 (%)

29
25
17
14
15
12
9
8
11
15
18
21
23
21
26
22
5
8
12
13
12
10
8
9

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
17
17
16
14
12
11
10
9
9
9
8
8
7
7
8
9
9
9
10
10
10
10
11

Chance of Frost

Temperature (°C)

13
14
15
15
15
15
15
15
15
14
13
13
12
12
12
12
12
12
12
13
13
14
14
14

Feels Like (°C)

8
8
9
12
12
12
12
12
12
13
13
13
13
13
13
12
13
13
12
13
12
15
15
14

Dew Point (°C)

10
11
11
11
10
11
10
10
10
10
10
10
10
10
10
11
10
10
10
11
11
11
11
11

Relative Humidity (%)

79
79
76
75
74
74
73
73
71
76
80
84
86
87
87
89
87
87
87
86
84
82
80
78

Pressure (mb)

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

Ozone (du)

342
342
341
342
342
342
341
341
340
345
350
355
355
356
356
355
354
352
352
352
352
349
347
345

Tuesday 8

Waxing Gibbous 96%

20:35

02:50

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 OK
22 OK
23 OK
00 Bad

Sun - Rise: 05:06, Set: 21:37, Transit: 13:21. Moon - Rise: 20:35, Set: 02:50. Civil Dark: 22:25 - 04:18. Nautical Dark: 23:39 - 03:05. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

56
77
79
82
86
85
77
75
57
42
26
33
40
49

Low Clouds (% Sky Obscured)

20
24
25
18
11
13
15
20
20
19
18
17
16
15

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
1

High Clouds (% Sky Obscured)

8
12
13
18
20
24
19
18
16
12
4
8
11
18

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

9
5
5
3
0
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
15
15
15
15
16
16
16
15
14
13
13
13

Feels Like (°C)

15
15
16
15
14
14
14
14
14
14
15
15
15
15

Dew Point (°C)

10
10
10
10
10
10
11
11
11
11
11
10
11
10

Relative Humidity (%)

75
73
71
70
72
70
72
72
73
76
80
84
84
84

Pressure (mb)

1016
1017
1017
1018
1018
1018
1018
1018
1018
1019
1019
1019
1020
1020

Ozone (du)

344
343
342
341
341
340
340
339
339
339
338
338
337
336

Forecast for Aberystwyth, Ceredigion, United Kingdom (52.42,-4.08)

Generated: 02/07/25 11:47:04. Forecast: 02/07/25 to 08/07/25. Timezone: UTC+1.00