Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 19

Waxing Crescent 47%

14:45

22:23

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
11 Bad

Sun - Rise: 06:08, Set: 20:32, Transit: 13:19. Moon - Rise: 14:45, Set: 22:23. Civil Dark: 21:10 - 05:31. Nautical Dark: 21:58 - 04:43. Astro Dark: 22:55 - 03:47

Total Clouds (% Sky Obscured)

92
83
76
67
38
58
66
54
87
69
72
71
63
71
60
66
61
87
92
91
86
66
80
78

Low Clouds (% Sky Obscured)

61
42
35
67
34
43
45
40
55
57
59
68
60
63
53
58
56
81
77
79
79
66
72
70

Medium Clouds (% Sky Obscured)

0
0
18
25
18
28
34
34
62
40
33
27
31
29
26
26
27
22
30
32
32
31
31
26

High Clouds (% Sky Obscured)

0
0
0
0
0
1
0
3
12
14
0
13
0
0
0
0
0
8
0
4
6
7
5
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

38
26
4
10
29
39
52
47
58
71
80
68
63
64
65
53
50
57
58
57
71
70
80
81

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
79
77
70
71
71
77
82
85
90
92
92
89
87
92
92
92
93
93
87
89
83
81
72

Pressure (mb)

1005
1005
1005
1005
1004
1004
1004
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1004
1004
1004
1005

Ozone (du)

330
338
344
340
335
334
334
336
340
342
346
346
348
350
353
355
353
353
353
352
351
352
351
351

Thursday 20

First Quarter 56%

15:58

22:51

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 OK
01 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:10, Set: 20:30, Transit: 13:19. Moon - Rise: 15:58, Set: 22:51. Civil Dark: 21:08 - 05:32. Nautical Dark: 21:55 - 04:45. Astro Dark: 22:51 - 03:50

Total Clouds (% Sky Obscured)

84
51
51
50
60
51
53
49
31
24
21
34
36
36
38
37
72
93
99
97
97
98
97
97

Low Clouds (% Sky Obscured)

78
51
46
48
51
44
49
49
24
15
2
24
25
33
38
37
50
45
39
31
23
46
54
54

Medium Clouds (% Sky Obscured)

30
26
22
29
28
6
16
2
2
17
12
11
15
8
3
6
11
73
83
86
90
82
80
90

High Clouds (% Sky Obscured)

0
8
12
0
0
0
0
0
0
0
0
0
3
3
2
4
41
79
79
56
41
18
63
60

ISS Passover

Visibility (miles)

6
8
3
5
8
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
5
9
1
0
0

Precipitation Type

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

Precipitation Probability (%)

61
69
73
55
39
28
8
4
2
2
5
4
5
6
7
7
7
7
9
7
10
32
41
43

Precipitation Amount (mm)

0.2
0.4
0.6
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
9
11
13
14
15
12
11
9
7
6
5
4
3
3
3
3
3
3
3
3
3
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
81
76
72
68
65
65
67
72
73
82
86
87
87
89
90
92
92
90
90
86
79
71
67

Pressure (mb)

1005
1006
1006
1007
1007
1008
1009
1009
1010
1010
1011
1012
1012
1012
1012
1013
1013
1013
1013
1014
1014
1014
1015
1015

Ozone (du)

352
352
351
351
350
351
351
351
352
353
354
356
356
355
356
357
357
357
358
359
359
360
359
360

Friday 21

Waxing Gibbous 66%

17:05

23:29

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 OK
03 Good
04 OK
05 Good
06 Good
07 Bad
08 OK
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:11, Set: 20:28, Transit: 13:19. Moon - Rise: 17:05, Set: 23:29. Civil Dark: 21:05 - 05:34. Nautical Dark: 21:52 - 04:47. Astro Dark: 22:48 - 03:53

Total Clouds (% Sky Obscured)

96
97
91
98
97
96
97
96
65
46
50
45
42
40
28
9
7
4
6
38
36
55
54
53

Low Clouds (% Sky Obscured)

48
41
39
45
32
11
35
40
36
24
38
27
1
1
2
3
5
3
5
14
25
35
33
29

Medium Clouds (% Sky Obscured)

90
73
49
40
40
43
47
48
30
24
27
20
28
25
15
0
0
0
0
0
3
4
9
13

High Clouds (% Sky Obscured)

52
31
57
78
76
81
21
21
2
2
1
2
3
2
2
2
2
2
2
25
8
15
14
13

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

Precipitation Probability (%)

32
41
49
45
49
43
44
44
40
32
22
6
2
1
1
3
3
1
1
1
2
2
5
7

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
67
65
65
67
68
67
69
79
83
87
90
90
90
89
87
88
88
88
88
83
76
70
65

Pressure (mb)

1015
1015
1016
1016
1016
1016
1016
1017
1017
1018
1018
1019
1019
1019
1020
1020
1020
1020
1021
1021
1022
1022
1022
1022

Ozone (du)

360
359
359
359
358
358
357
356
356
357
356
354
353
353
354
355
356
357
356
352
350
350
349
349

Saturday 22

Waxing Gibbous 75%

17:59

00:21

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

Sun - Rise: 06:13, Set: 20:26, Transit: 13:19. Moon - Rise: 17:59, Set: 00:21. Civil Dark: 21:03 - 05:36. Nautical Dark: 21:50 - 04:50. Astro Dark: 22:44 - 03:56

Total Clouds (% Sky Obscured)

49
45
38
33
30
28
25
16
8
0
0
0
0
6
13
19
13
6
0
0
0
0
7
15

Low Clouds (% Sky Obscured)

28
27
24
22
15
8
0
0
0
0
0
0
0
6
11
15
10
5
0
0
0
0
5
10

Medium Clouds (% Sky Obscured)

16
8
6
3
5
7
10
6
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
4
4
4
4
2
0
0
0
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 (%)

6
6
6
2
4
4
1
1
0
0
0
0
0
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)

7
9
10
10
12
11
10
9
7
5
3
3
4
4
4
4
5
5
5
5
4
3
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
63
62
60
63
65
66
68
77
80
83
84
86
86
86
87
87
87
87
85
80
73
65
60

Pressure (mb)

1022
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1026
1025
1025

Ozone (du)

348
348
347
347
347
346
347
349
349
350
350
350
351
351
352
352
349
346
344
344
343
342
341
341

Sunday 23

Waxing Gibbous 83%

18:41

01:25

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

Sun - Rise: 06:15, Set: 20:24, Transit: 13:18. Moon - Rise: 18:41, Set: 01:25. Civil Dark: 21:01 - 05:38. Nautical Dark: 21:47 - 04:52. Astro Dark: 22:41 - 03:59

Total Clouds (% Sky Obscured)

23
16
8
0
8
16
22
26
31
35
39
43
49
48
43
39
28
25
21
13
10
4
5
4

Low Clouds (% Sky Obscured)

17
14
8
0
2
5
8
12
16
19
24
29
33
26
19
11
9
5
3
2
1
0
3
4

Medium Clouds (% Sky Obscured)

0
0
0
0
3
5
8
11
11
12
14
16
15
12
12
9
3
0
0
2
5
4
5
2

High Clouds (% Sky Obscured)

1
1
1
0
0
2
3
3
5
5
7
3
8
7
7
7
5
2
1
1
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
0
0
0
0
0
0
0
0
0
0
2
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)

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

Chance of Frost

Temperature (°C)

17
18
18
18
18
18
18
18
16
15
14
14
13
13
13
12
12
12
12
12
14
16
18
19

Feels Like (°C)

17
18
18
17
18
18
19
19
17
15
14
13
12
12
12
11
12
11
11
11
12
12
13
14

Dew Point (°C)

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

Relative Humidity (%)

59
58
60
63
65
66
69
71
78
79
82
84
86
84
84
84
84
84
84
86
73
63
54
49

Pressure (mb)

1025
1025
1025
1024
1024
1024
1024
1023
1023
1024
1024
1024
1024
1023
1023
1023
1022
1022
1022
1022
1022
1021
1021
1020

Ozone (du)

339
339
338
336
335
335
334
334
333
332
332
333
333
332
332
332
332
332
331
331
333
335
337
335

Monday 24

Waxing Gibbous 90%

19:11

02:37

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

Sun - Rise: 06:16, Set: 20:22, Transit: 13:18. Moon - Rise: 19:11, Set: 02:37. Civil Dark: 20:58 - 05:40. Nautical Dark: 21:44 - 04:54. Astro Dark: 22:38 - 04:01

Total Clouds (% Sky Obscured)

6
20
35
47
44
48
48
47
48
46
46
42
34
34
45
56
71
85
100
100
100
100
90
80

Low Clouds (% Sky Obscured)

6
9
6
0
0
1
1
3
6
8
6
3
0
17
34
50
40
30
20
13
7
0
0
0

Medium Clouds (% Sky Obscured)

0
4
9
12
11
10
8
14
18
22
21
21
21
32
45
56
71
74
70
70
69
64
64
65

High Clouds (% Sky Obscured)

0
1
4
3
3
4
4
10
7
7
31
37
34
25
20
20
47
72
100
100
100
100
90
80

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
1
1
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
7
7

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)

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

Chance of Frost

Temperature (°C)

21
22
22
22
23
22
21
20
19
17
16
16
15
14
14
15
15
15
15
15
16
17
18
19

Feels Like (°C)

15
16
22
22
21
21
21
21
17
16
16
16
16
15
10
11
11
11
11
11
12
12
13
13

Dew Point (°C)

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

Relative Humidity (%)

44
40
39
37
34
37
40
42
46
50
55
61
69
79
78
78
78
79
80
82
77
72
69
65

Pressure (mb)

1020
1019
1019
1018
1018
1017
1017
1016
1016
1016
1016
1016
1016
1016
1015
1015
1014
1014
1013
1013
1012
1012
1012
1011

Ozone (du)

333
330
330
329
328
327
326
325
326
326
327
326
325
324
324
325
325
326
326
326
325
324
323
322

Tuesday 25

Waxing Gibbous 95%

19:33

03:54

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

Sun - Rise: 06:18, Set: 20:19, Transit: 13:18. Moon - Rise: 19:33, Set: 03:54. Civil Dark: 20:56 - 05:42. Nautical Dark: 21:42 - 04:56. Astro Dark: 22:34 - 04:04

Total Clouds (% Sky Obscured)

71
80
91
100
100
100
100
100
99
99
97
95
92
94
96
98
96
94
92

Low Clouds (% Sky Obscured)

0
0
0
10
19
23
32
27
27
22
18
7
2
2
3
4
12
19
31

Medium Clouds (% Sky Obscured)

65
80
90
100
100
100
100
70
40
15
23
22
26
37
42
42
51
64
78

High Clouds (% Sky Obscured)

71
80
90
94
96
98
99
98
97
95
87
72
49
61
77
92
67
43
19

ISS Passover

Visibility (miles)

9
9
9
9
8
8
7
7
8
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

Precipitation Type

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

Precipitation Probability (%)

3
24
30
32
37
42
46
47
39
15
17
15
2
4
4
3
18
24
26

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
20
20
20
19
19
18
18
18
18
18
18
18
18
17
18
17
17
17

Feels Like (°C)

13
14
17
18
18
18
18
17
15
16
17
18
18
19
17
17
17
16
16

Dew Point (°C)

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

Relative Humidity (%)

63
60
67
72
80
84
88
92
92
93
93
93
93
92
92
92
92
90
92

Pressure (mb)

1011
1010
1010
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1006
1006
1006

Ozone (du)

321
321
320
319
318
320
322
323
325
326
328
329
330
331
331
331
332
332
333

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

Generated: 19/08/26 12:51:52. Forecast: 19/08/26 to 25/08/26. Timezone: UTC+1.00