Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 23

Waxing Gibbous 72%

17:01

00:21

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

Sun - Rise: 05:25, Set: 21:21, Transit: 13:22. Moon - Rise: 17:01, Set: 00:21. Civil Dark: 22:05 - 04:41. Nautical Dark: 23:08 - 03:39. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

18
18
32
33
69
66
65
50
21
13
37
37
34
52
77
80
67
51
65
63
81
92
77
84

Low Clouds (% Sky Obscured)

0
0
8
25
34
28
31
28
10
0
3
18
22
21
2
0
0
0
0
0
0
0
0
3

Medium Clouds (% Sky Obscured)

0
12
0
0
0
0
0
2
2
5
3
3
3
2
3
3
1
0
0
0
0
0
1
3

High Clouds (% Sky Obscured)

18
18
32
33
54
56
61
38
14
9
21
15
17
42
61
80
67
51
65
63
81
92
77
84

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
1
1
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
45
7
12

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
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)

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

Chance of Frost

Temperature (°C)

11
13
15
17
18
19
20
20
20
20
21
21
21
21
20
19
18
17
16
15
15
14
14
14

Feels Like (°C)

11
14
15
16
17
18
19
19
19
20
20
21
21
21
20
20
18
17
15
15
14
13
13
12

Dew Point (°C)

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

Relative Humidity (%)

87
83
82
79
77
77
75
72
71
70
70
69
71
73
80
86
86
89
89
89
87
87
87
86

Pressure (mb)

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

Ozone (du)

323
323
322
322
322
322
322
321
320
320
320
320
319
319
318
318
318
317
318
318
319
320
320
321

Friday 24

Waxing Gibbous 81%

18:12

00:52

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

Sun - Rise: 05:26, Set: 21:20, Transit: 13:22. Moon - Rise: 18:12, Set: 00:52. Civil Dark: 22:04 - 04:43. Nautical Dark: 23:06 - 03:42. Astro Dark: N/A - 01:40

Total Clouds (% Sky Obscured)

96
100
86
78
100
92
69
52
9
18
9
12
6
45
41
91
37
40
100
100
100
100
97
86

Low Clouds (% Sky Obscured)

4
13
26
17
5
0
7
18
9
18
8
0
0
0
4
20
2
6
32
22
42
44
56
41

Medium Clouds (% Sky Obscured)

2
3
3
0
1
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
50
73
83
49

High Clouds (% Sky Obscured)

88
100
77
68
100
92
63
52
4
4
7
9
6
45
41
84
37
40
100
100
100
90
73
49

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 (%)

13
12
20
9
2
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
0
0
0
0
0
0
0
0
0
3
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)

4
2
2
2
4
5
8
9
9
9
9
7
5
4
4
4
4
3
3
5
2
2
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
15
16
18
19
18
18
19
19
20
20
20
21
21
18
16
15
15
15
13
15
14
14
14

Dew Point (°C)

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

Relative Humidity (%)

87
83
78
73
71
70
71
72
70
68
66
62
60
62
73
82
86
86
87
84
84
84
87
90

Pressure (mb)

1021
1021
1021
1021
1021
1020
1020
1020
1019
1019
1018
1017
1017
1017
1016
1016
1016
1016
1015
1015
1014
1014
1013
1013

Ozone (du)

321
321
322
323
323
324
324
324
326
326
325
327
326
324
324
322
320
321
320
319
322
330
329
330

Saturday 25

Waxing Gibbous 88%

19:14

01:35

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
04 Bad
05 Bad

Sun - Rise: 05:28, Set: 21:19, Transit: 13:22. Moon - Rise: 19:14, Set: 01:35. Civil Dark: 22:02 - 04:45. Nautical Dark: 23:03 - 03:44. Astro Dark: 01:05 - 01:54

Total Clouds (% Sky Obscured)

87
91
95
99
85
93
64
70
63
90
100
100
100
99
100
100
90
89
88
92
96
100
95
90

Low Clouds (% Sky Obscured)

39
58
42
47
63
55
41
36
41
81
100
100
100
99
95
93
83
84
84
89
95
100
91
83

Medium Clouds (% Sky Obscured)

38
31
21
28
58
88
64
70
51
73
30
63
80
94
97
92
81
36
46
81
56
57
44
32

High Clouds (% Sky Obscured)

1
29
84
95
34
52
2
20
30
35
43
43
6
6
51
60
0
0
0
0
1
0
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
2
4
1
18
32
48
51
47
49
17
26
49
79
95
95
95
52
75
69
65
52
50
57

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.4
0.3
0.4
0
0
0.3
0.7
1.6
2
1.6
0.3
0.7
0.5
0.5
0.3
0.2
0.4

Wind Speed/Direction (mph)

4
4
8
10
12
12
12
13
13
13
13
13
12
10
10
12
12
12
12
12
12
12
13
12

Chance of Frost

Temperature (°C)

14
15
16
17
17
17
16
16
16
17
17
17
17
17
17
18
18
17
17
17
17
17
17
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
85
72
74
85
89
93
93
95
95
96
96
96
98
100
98
100
98
98
98
98
98
98

Pressure (mb)

1012
1012
1012
1012
1012
1011
1011
1011
1011
1010
1010
1010
1009
1009
1008
1008
1008
1008
1007
1007
1007
1007
1007
1007

Ozone (du)

323
321
320
316
314
314
314
315
315
316
317
316
316
313
312
315
314
318
320
321
323
324
324
324

Sunday 26

Waxing Gibbous 93%

20:04

02:32

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 OK
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 05:29, Set: 21:17, Transit: 13:22. Moon - Rise: 20:04, Set: 02:32. Civil Dark: 22:00 - 04:46. Nautical Dark: 23:01 - 03:46. Astro Dark: 00:51 - 02:03

Total Clouds (% Sky Obscured)

85
87
89
91
89
87
85
86
84
87
86
85
83
67
48
32
44
57
64
65
64
67
70
68

Low Clouds (% Sky Obscured)

72
77
82
86
84
80
76
66
54
50
49
50
47
46
41
32
44
57
63
63
58
59
51
56

Medium Clouds (% Sky Obscured)

20
13
9
4
8
12
15
19
22
25
21
20
19
13
6
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
2
3
0
0
4
0
2
4
0
0
0
0
0
0
2
2
0
0
0
1
4
17
5

ISS Passover

Visibility (miles)

5
4
5
3
4
2
1
6
7
9
9
9
9
9
9
9
8
7
7
7
9
9
9
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

56
51
49
45
41
36
32
26
33
29
21
13
10
9
5
7
19
17
6
17
10
16
7
4

Precipitation Amount (mm)

0.4
0.3
0.3
0.2
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
15
15
15
14
15
14
14
14
14
12
10
9
8
7
7
8
9
10
10
11
11
10

Chance of Frost

Temperature (°C)

16
16
16
16
16
16
16
16
17
17
18
18
18
18
17
17
17
16
16
16
16
15
15
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
98
96
96
96
96
93
89
85
85
85
85
88
92
93
92
93
93
93
93
93
93

Pressure (mb)

1007
1007
1008
1009
1009
1010
1010
1011
1011
1012
1012
1013
1013
1014
1014
1015
1015
1016
1016
1017
1017
1018
1018
1018

Ozone (du)

325
324
324
325
324
325
325
325
325
323
321
321
321
321
321
322
323
323
324
324
324
324
324
322

Monday 27

Waxing Gibbous 97%

20:41

03:39

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

Sun - Rise: 05:31, Set: 21:15, Transit: 13:22. Moon - Rise: 20:41, Set: 03:39. Civil Dark: 21:58 - 04:48. Nautical Dark: 22:58 - 03:49. Astro Dark: 00:41 - 02:11

Total Clouds (% Sky Obscured)

74
81
88
92
86
80
66
57
47
34
38
42
46
53
59
63
70
76
83
86
89
93
92
91

Low Clouds (% Sky Obscured)

68
77
76
74
72
79
66
57
47
34
38
35
29
11
22
36
41
50
56
46
34
18
10
5

Medium Clouds (% Sky Obscured)

0
9
21
27
22
17
14
12
11
7
12
16
19
28
32
34
33
32
29
32
30
30
42
57

High Clouds (% Sky Obscured)

14
1
2
2
3
5
2
2
2
2
4
6
4
16
19
22
23
24
31
32
36
41
49
56

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 (%)

8
7
17
13
3
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
89
86
82
74
72
70
68
65
64
64
66
69
74
79
84
83
83
83
82
79
79
77

Pressure (mb)

1019
1019
1020
1020
1021
1021
1021
1022
1022
1022
1022
1021
1021
1021
1022
1023
1023
1023
1023
1023
1022
1022
1022
1022

Ozone (du)

321
321
320
319
319
319
319
318
318
318
318
317
318
318
318
319
319
319
320
320
320
320
320
320

Tuesday 28

Waxing Gibbous 100%

21:07

04:54

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 OK
20 OK
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good

Sun - Rise: 05:32, Set: 21:14, Transit: 13:22. Moon - Rise: 21:07, Set: 04:54. Civil Dark: 21:57 - 04:50. Nautical Dark: 22:56 - 03:51. Astro Dark: 00:34 - 02:18

Total Clouds (% Sky Obscured)

87
84
81
78
72
80
92
85
74
62
62
62
62
44
26
8
8
5
3
3
3
4
4
3

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
4
2
1
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

74
78
78
78
64
51
40
47
50
52
59
62
62
44
26
8
8
5
3
3
3
4
4
3

High Clouds (% Sky Obscured)

59
45
28
7
10
15
20
13
10
0
0
0
0
0
0
0
1
1
1
1
2
2
2
2

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
0
1
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)

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

Chance of Frost

Temperature (°C)

16
16
18
19
20
21
21
22
22
22
22
22
22
22
20
19
18
18
17
17
17
17
16
17

Feels Like (°C)

14
13
16
16
17
17
18
18
23
23
23
24
24
23
21
20
20
20
20
19
19
18
18
18

Dew Point (°C)

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

Relative Humidity (%)

75
74
70
67
64
64
65
64
68
72
74
76
76
77
82
86
90
90
90
90
90
90
92
90

Pressure (mb)

1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1018
1018
1018

Ozone (du)

321
321
322
322
322
322
322
322
322
322
321
322
323
324
324
324
325
325
324
324
326
328
330
329

Wednesday 29

Full Moon 100%

21:27

No Set

06 Good
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good
13 Good
14 OK
15 OK
16 OK
17 OK
18 OK
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK

Sun - Rise: 05:34, Set: 21:12, Transit: 13:22. Moon - Rise: 21:27, Set: No Set. Civil Dark: 21:55 - 04:52. Nautical Dark: 22:53 - 03:54. Astro Dark: 00:27 - 02:24

Total Clouds (% Sky Obscured)

3
6
8
11
13
7
0
10
20
38
33
28
22
27
30
43
35
28
22

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
5

Medium Clouds (% Sky Obscured)

3
3
1
0
0
0
0
3
7
11
8
6
5
21
30
43
35
28
22

High Clouds (% Sky Obscured)

2
4
6
7
13
7
0
10
20
38
33
28
22
27
30
43
35
28
13

ISS Passover

Visibility (miles)

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

Precipitation Type

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
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
18
20
21
23
24
24
24
24
24
23
23
23
22
21
19
17
17
17

Feels Like (°C)

18
18
21
21
22
24
24
25
25
24
23
23
24
23
21
20
20
19
18

Dew Point (°C)

16
16
16
17
17
17
16
16
17
16
16
17
17
17
17
16
16
16
16

Relative Humidity (%)

89
90
81
74
66
64
62
60
62
63
64
66
71
74
79
84
89
92
93

Pressure (mb)

1018
1018
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

328
327
327
328
328
329
330
330
333
336
339
340
340
341
341
341
340
340
339

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

Generated: 23/07/26 06:42:59. Forecast: 23/07/26 to 29/07/26. Timezone: UTC+1.00