Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 8

Waning Crescent 45%

00:32

14:56

03 Good
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 OK
23 OK
00 Bad
01 OK
02 OK

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)

0
0
1
0
3
6
3
11
3
2
1
0
0
2
0
6
4
1
0
22
37
45
46
47

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
0
0
0
22
37
45
46
47

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)

0
0
0
0
3
6
3
8
2
1
1
0
0
2
0
2
2
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
13
49
30
46
48
45
57
49
49
95
100

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
5
5
3
2
1
2
4
4
4
5
6
6
6
6
5
4
3
3
2
2
2
2
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
82
82
80
79
77
75
73
72
72
71
71
71
71
72
74
77
84
88
87
87
89
87
87

Pressure (mb)

1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

316
316
315
315
315
315
316
316
316
315
314
314
314
314
315
315
315
316
316
316
317
319
321
321

Thursday 9

Waning Crescent 34%

00:51

16:24

03 OK
04 OK
05 OK
06 OK
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
01 Good
02 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)

40
40
44
38
16
0
0
9
3
0
0
0
0
0
0
0
0
0
0
0
1
2
0
1

Low Clouds (% Sky Obscured)

40
40
44
38
16
0
0
9
3
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)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
0
1

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 (%)

99
100
100
100
99
98
20
9
9
4
1
1
0
0
1
1
1
0
1
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
4
4
3
2
3
3
4
5
7
7
6
5
5
5
4
2
2
2
3
4
5
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
16
17
19
21
22
23
24
25
24
24
25
26
26
26
25
25
23
21
22
21
20
19

Dew Point (°C)

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

Relative Humidity (%)

86
87
87
86
83
80
75
73
74
75
78
79
79
78
78
78
78
84
86
88
89
89
89
88

Pressure (mb)

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

Ozone (du)

321
321
322
324
327
327
327
327
327
328
329
330
330
330
331
330
327
324
323
322
321
321
321
321

Friday 10

Waning Crescent 23%

01:20

17:55

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

Sun - Rise: 05:07, Set: 21:36, Transit: 13:21. Moon - Rise: 01:20, 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)

21
24
7
7
25
42
68
78
74
74
65
60
55
50
55
61
55
56
61
47
37
25
20
20

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
3
1
2
13
16
22
27
21
17
11
6
0
4
9
13
16
18
21
14
6
0
0
0

High Clouds (% Sky Obscured)

17
17
4
3
5
22
52
57
55
60
60
60
55
45
35
35
14
9
9
9
15
15
15
15

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
2
7
13
13
13
13
13
13
13
13

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

Chance of Frost

Temperature (°C)

18
17
18
18
20
22
24
25
26
27
27
27
27
27
27
26
26
25
22
21
20
20
21
20

Feels Like (°C)

18
17
17
18
21
23
25
26
27
28
29
28
28
28
28
28
28
27
24
22
21
21
21
20

Dew Point (°C)

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

Relative Humidity (%)

82
78
76
76
77
73
66
65
59
56
55
59
64
68
71
72
75
82
87
88
89
85
81
85

Pressure (mb)

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

Ozone (du)

320
320
321
320
317
317
318
320
320
320
320
321
321
323
324
324
325
325
325
326
326
325
325
324

Saturday 11

Waning Crescent 13%

02:04

19:23

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

Sun - Rise: 05:08, Set: 21:35, Transit: 13:21. Moon - Rise: 02:04, 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)

17
16
2
2
4
7
16
21
5
5
4
5
4
3
3
3
18
30
35
20
33
29
22
7

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
4
4
3
3
2
1
15
19
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
1
3
4
3
2
1
1
0
0
0
0
0
0
0
0
1
2
2
2
1

High Clouds (% Sky Obscured)

17
16
2
2
2
3
10
19
3
4
0
0
0
0
0
1
14
20
20
8
15
19
17
5

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
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13

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
2
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)

4
4
4
5
4
3
3
3
4
4
5
6
6
5
6
6
6
6
7
14
16
16
16
16

Chance of Frost

Temperature (°C)

19
19
19
19
21
22
23
25
26
27
28
28
27
27
27
26
26
26
25
26
24
22
21
19

Feels Like (°C)

20
20
20
22
24
25
27
28
29
31
31
31
30
31
30
30
31
29
26
23
20
17
17
16

Dew Point (°C)

17
17
17
18
18
18
18
19
18
17
19
21
22
23
23
23
23
23
21
12
13
13
14
14

Relative Humidity (%)

86
89
89
89
85
79
73
69
61
54
58
66
73
76
78
81
81
84
78
40
50
57
64
69

Pressure (mb)

1019
1019
1020
1020
1021
1021
1022
1022
1022
1022
1022
1022
1022
1023
1022
1022
1022
1023
1023
1024
1024
1025
1025
1026

Ozone (du)

325
325
325
325
324
324
322
321
321
321
320
320
320
318
318
318
318
317
317
318
318
317
318
318

Sunday 12

Waning Crescent 6%

No Rise

20:37

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

Sun - Rise: 05:09, Set: 21:34, Transit: 13:22. Moon - Rise: No Rise, Set: 20:37. Civil Dark: 22:21 - 04:22. Nautical Dark: 23:32 - 03:11. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

7
20
41
61
48
45
42
30
19
6
4
3
2
1
1
1
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
1
8
17
40
41
41
28
15
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
1
1
1
1
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

6
17
28
35
3
3
3
3
4
4
4
3
2
1
1
1
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 (%)

13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13

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)

16
15
11
10
10
11
12
13
13
14
14
13
13
12
12
13
13
14
16
18
17
16
15
14

Chance of Frost

Temperature (°C)

19
18
18
17
18
18
19
20
22
23
25
26
27
27
27
27
26
25
24
23
21
20
19
17

Feels Like (°C)

16
16
17
17
17
17
17
18
18
18
19
26
26
26
26
27
28
26
25
24
25
24
24
14

Dew Point (°C)

14
14
14
15
16
15
15
15
15
15
15
15
15
16
16
16
17
14
12
9
9
8
8
7

Relative Humidity (%)

73
77
81
85
86
80
75
71
64
57
52
51
50
48
50
52
55
50
46
42
44
45
48
50

Pressure (mb)

1026
1026
1026
1027
1027
1027
1027
1028
1027
1027
1027
1027
1026
1026
1026
1026
1025
1026
1026
1026
1027
1027
1027
1027

Ozone (du)

318
317
316
316
316
315
315
314
314
314
314
314
314
313
313
314
314
314
315
315
316
317
318
318

Monday 13

Waning Crescent 1%

03:10

21:30

03 Good
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 OK
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 05:10, Set: 21:33, Transit: 13:22. Moon - Rise: 03:10, Set: 21:30. Civil Dark: 22:20 - 04:23. Nautical Dark: 23:30 - 03:13. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
3
6
10
36
60
84
89
94
99
87
74
59
69
79

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
0
0
0
0
0
0
0
0
0
0
0
0
0
12
24

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
3
6
10
36
58
81
88
94
99
85
66
58
69
79

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
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13

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)

13
12
12
13
13
14
14
15
15
16
16
15
15
14
15
16
17
19
20
22
22
22
23
21

Chance of Frost

Temperature (°C)

16
16
16
16
16
17
19
20
22
23
25
26
27
27
27
26
26
24
23
22
20
19
17
17

Feels Like (°C)

14
14
13
14
13
14
14
14
14
14
15
24
23
23
24
25
25
21
20
19
18
18
17
11

Dew Point (°C)

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

Relative Humidity (%)

51
54
56
61
64
60
55
50
47
42
38
38
37
36
36
36
35
34
32
31
36
41
47
49

Pressure (mb)

1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1025
1025
1024
1024
1023
1023
1022
1022
1022
1023
1022
1022
1022
1022

Ozone (du)

318
318
317
317
316
316
316
316
316
317
318
316
315
313
312
311
310
310
309
308
307
306
305
305

Tuesday 14

New Moon 0%

04:36

22:04

Sun - Rise: 05:11, Set: 21:32, Transit: 13:22. Moon - Rise: 04:36, Set: 22:04. Civil Dark: 22:19 - 04:25. Nautical Dark: 23:28 - 03:15. 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: 08/07/26 02:45:12. Forecast: 08/07/26 to 14/07/26. Timezone: UTC+1.00