Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 5

Waning Gibbous 77%

23:55

10:56

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 05:02, Set: 21:40, Transit: 13:21. Moon - Rise: 23:55, Set: 10:56. Civil Dark: 22:28 - 04:13. Nautical Dark: 23:44 - 02:57. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
96
98
98
100
100
100
99
98
100
98
100
100
100
100
100
99
100
100
100
100
99
98
100

Low Clouds (% Sky Obscured)

86
78
73
79
76
80
79
75
73
74
73
68
65
57
48
34
34
30
30
31
40
34
33
41

Medium Clouds (% Sky Obscured)

22
23
25
9
0
2
1
18
48
45
53
38
1
2
0
0
0
2
70
56
57
39
44
40

High Clouds (% Sky Obscured)

2
7
14
52
100
100
98
94
92
100
93
100
100
100
100
100
98
100
100
100
100
96
90
97

ISS Passover

Visibility (miles)

1
2
2
1
1
0
1
7
7
7
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
3
1
3
2
1
0
2
11
1
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
9
8
8
7
7
7
8
7
8
8
9
8
8
8
8
8
8
7
7
7
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

16
15
15
15
15
15
15
15
15
16
16
16
15
16
16
16
15
15
15
16
15
15
15
15

Relative Humidity (%)

98
96
98
96
98
98
98
95
93
92
90
88
86
86
85
85
83
83
86
89
90
92
93
95

Pressure (mb)

1027
1027
1027
1027
1027
1026
1027
1026
1027
1027
1027
1026
1026
1026
1026
1025
1025
1024
1024
1024
1024
1024
1023
1023

Ozone (du)

332
330
330
330
331
332
332
332
332
331
330
330
329
327
326
325
326
328
325
326
325
323
323
326

Monday 6

Waning Gibbous 67%

00:06

12:13

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 05:02, Set: 21:39, Transit: 13:21. Moon - Rise: 00:06, Set: 12:13. Civil Dark: 22:27 - 04:14. Nautical Dark: 23:43 - 02:59. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

45
53
64
69
76
74
67
59
62
58
57
54
53
53
43
42
27
24
42
39
45
42
41
51

Medium Clouds (% Sky Obscured)

1
2
1
0
0
0
0
2
33
2
38
2
0
12
3
52
8
54
73
68
64
31
2
1

High Clouds (% Sky Obscured)

92
100
100
91
100
100
100
98
84
90
100
100
100
100
99
100
100
100
100
88
85
92
100
98

ISS Passover

Visibility (miles)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
95
95
95
96
96
93
90
88
86
85
83
82
81
81
83
83
85
87
90
90
90
90

Pressure (mb)

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

Ozone (du)

328
326
326
326
325
324
324
324
324
323
321
321
321
321
323
322
323
324
322
321
319
319
318
317

Tuesday 7

Third Quarter 56%

00:17

13:32

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 OK
15 OK
16 OK
17 OK
18 OK
19 OK
20 OK
21 Good
22 Good
23 OK
00 OK

Sun - Rise: 05:03, Set: 21:38, Transit: 13:21. Moon - Rise: 00:17, Set: 13:32. Civil Dark: 22:26 - 04:15. Nautical Dark: 23:41 - 03:00. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

93
93
96
98
100
100
100
100
100
98
70
57
49
43
46
39
36
29
26
20
13
18
22
26

Low Clouds (% Sky Obscured)

49
52
66
56
43
47
58
53
54
56
55
55
49
43
46
39
36
29
26
20
13
18
22
26

Medium Clouds (% Sky Obscured)

0
0
0
0
0
7
93
72
74
63
20
4
0
0
0
2
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

89
87
90
97
100
100
100
100
100
94
61
5
4
4
7
3
3
6
4
4
3
3
6
9

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
92
93
93
93
92
86
82
77
72
69
66
64
62
62
62
63
67
75
74
75
75
75

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021

Ozone (du)

317
316
317
315
314
314
314
314
313
312
311
312
313
313
313
313
313
312
311
311
311
310
311
312

Wednesday 8

Waning Crescent 45%

00:32

14:56

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

Sun - Rise: 05:04, Set: 21:38, Transit: 13:21. Moon - Rise: 00:32, Set: 14:56. Civil Dark: 22:25 - 04:17. Nautical Dark: 23:40 - 03:02. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

28
26
22
16
9
0
0
1
1
1
0
0
0
2
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

27
26
19
13
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

12
13
14
9
5
0
0
0
1
1
0
0
0
2
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 (%)

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)

3
3
3
3
4
4
3
2
1
2
3
4
5
5
5
5
4
3
3
2
1
3
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
16
17
17
17
19
22
23
23
24
24
25
25
25
26
25
25
25
24
22
20
19
18

Dew Point (°C)

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

Relative Humidity (%)

77
78
79
80
80
80
78
73
70
69
67
65
66
66
65
64
64
67
72
80
80
79
79
78

Pressure (mb)

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

Ozone (du)

312
313
313
313
313
313
312
312
313
313
314
313
313
314
314
315
316
316
316
316
316
317
318
319

Thursday 9

Waning Crescent 34%

00:51

16:24

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

Sun - Rise: 05:06, Set: 21:37, Transit: 13:21. Moon - Rise: 00:51, Set: 16:24. Civil Dark: 22:24 - 04:18. Nautical Dark: 23:38 - 03:04. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
5
10
16
11
5
0
2
4
7
15
21
28
30
28
20
21
18
14
11
11
11

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
3
4
8
13
16
16
16
18
21
18
14
11
11
10

High Clouds (% Sky Obscured)

0
0
0
5
10
16
11
5
0
0
0
2
2
1
1
1
1
0
0
0
0
7
11
11

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
0
0
0
0
5
7
3
9
9
5

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

Chance of Frost

Temperature (°C)

17
17
16
16
16
17
18
20
21
23
24
24
24
24
24
24
24
24
24
23
22
21
21
20

Feels Like (°C)

18
18
18
18
18
18
20
23
24
26
26
27
27
27
27
28
27
27
28
27
27
26
27
27

Dew Point (°C)

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

Relative Humidity (%)

78
81
82
82
83
82
81
74
66
60
56
54
57
61
64
69
70
72
74
77
78
80
76
72

Pressure (mb)

1018
1018
1018
1018
1018
1017
1018
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

320
320
321
323
324
326
327
327
328
330
331
332
333
333
333
333
334
334
335
335
335
335
333
331

Friday 10

Waning Crescent 23%

No Rise

17:55

01 OK
02 OK
03 Bad
04 Bad
05 OK
06 OK
07 OK
08 OK
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

Sun - Rise: 05:07, Set: 21:36, Transit: 13:21. Moon - Rise: No Rise, Set: 17:55. Civil Dark: 22:23 - 04:19. Nautical Dark: 23:36 - 03:07. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

19
44
56
53
43
37
41
47
58
56
56
54
66
78
86
76
79
74
68
66
67
78
90
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
5
11
19
12
5
0
1
3
5
5
5
4

Medium Clouds (% Sky Obscured)

15
20
25
29
28
27
28
32
36
32
28
25
19
19
18
19
20
20
19
18
19
19
16
11

High Clouds (% Sky Obscured)

15
15
14
5
5
6
13
13
13
13
14
14
30
48
52
37
37
42
35
45
45
78
90
100

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 (%)

7
3
0
0
0
0
0
0
0
0
0
0
2
2
2
10
19
24
21
20
14
19
22
20

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

Chance of Frost

Temperature (°C)

19
20
20
20
20
21
21
23
24
26
27
28
29
30
30
31
30
29
27
25
23
21
22
22

Feels Like (°C)

26
21
21
21
20
20
21
23
23
23
25
26
27
33
34
34
34
34
33
28
28
27
26
25

Dew Point (°C)

13
14
15
15
16
17
18
18
18
18
18
18
18
20
22
23
24
23
23
21
20
19
19
19

Relative Humidity (%)

69
70
72
74
76
79
81
74
67
61
57
53
49
55
59
65
69
72
76
80
84
88
84
81

Pressure (mb)

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

Ozone (du)

329
328
326
324
323
321
320
320
320
319
320
320
321
321
321
321
321
321
321
320
319
317
318
319

Saturday 11

Waning Crescent 13%

01:20

19:23

Sun - Rise: 05:08, Set: 21:35, Transit: 13:21. Moon - Rise: 01:20, Set: 19:23. Civil Dark: 22:22 - 04:21. Nautical Dark: 23:34 - 03:09. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 05/07/26 01:21:05. Forecast: 05/07/26 to 11/07/26. Timezone: UTC+1.00