Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 11

Waning Crescent 13%

02:04

19:23

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

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)

12
11
10
22
26
22
27
18
5
2
0
0
0
0
0
2
0
11
24
40
24
36
6
40

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
5

Medium Clouds (% Sky Obscured)

12
11
10
22
26
22
27
16
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
2
2
5
2
0
0
0
0
0
2
0
8
24
23
17
31
5
40

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 (%)

2
1
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)

4
4
4
6
5
3
4
4
4
5
4
4
4
5
5
4
4
4
9
11
11
12
14
15

Chance of Frost

Temperature (°C)

18
18
18
19
20
22
24
25
26
27
28
28
27
26
26
26
26
25
24
23
23
22
21
19

Feels Like (°C)

19
19
19
20
22
24
26
27
29
29
30
30
30
29
29
29
30
30
27
24
22
20
18
17

Dew Point (°C)

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

Relative Humidity (%)

81
79
77
80
80
73
66
61
56
53
49
52
62
68
73
77
83
86
84
68
53
55
62
69

Pressure (mb)

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

Ozone (du)

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

Sunday 12

Waning Crescent 6%

No Rise

20:37

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

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)

63
76
67
55
25
24
17
27
36
76
31
42
50
52
13
9
18
25
23
3
3
2
13
25

Low Clouds (% Sky Obscured)

5
15
15
16
18
17
6
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
2
0
0
0
0
0
0
0
0
6
15

High Clouds (% Sky Obscured)

63
65
45
30
9
7
7
20
26
74
26
36
45
50
10
7
18
25
23
3
3
2
4
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
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)

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

Chance of Frost

Temperature (°C)

18
17
17
17
17
19
20
21
23
25
26
27
28
28
28
28
27
25
24
22
21
19
18
17

Feels Like (°C)

15
14
14
14
15
18
18
19
21
23
24
26
27
27
26
28
26
23
20
18
17
16
14
14

Dew Point (°C)

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

Relative Humidity (%)

74
77
79
82
81
77
74
69
63
59
54
51
50
50
50
52
55
56
53
50
55
59
62
63

Pressure (mb)

1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1024
1024
1023
1023
1023
1023
1023
1023
1024
1024
1025
1025
1024
1024

Ozone (du)

321
321
320
319
317
315
316
317
317
317
317
316
317
318
317
316
316
316
316
317
320
322
322
322

Monday 13

Waning Crescent 1%

03:10

21:30

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

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)

24
17
3
0
2
0
1
1
0
0
0
0
0
0
0
2
25
16
45
50
50
4
6
18

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
5
9

Medium Clouds (% Sky Obscured)

15
11
2
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)

2
1
0
0
2
0
1
1
0
0
0
0
0
0
0
1
21
16
45
50
50
3
3
12

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)

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

Chance of Frost

Temperature (°C)

16
15
15
14
15
16
17
19
21
22
24
25
26
26
26
26
25
23
22
22
20
18
17
16

Feels Like (°C)

13
12
12
12
12
13
15
16
18
20
22
24
25
26
27
27
26
22
20
17
15
15
15
15

Dew Point (°C)

10
9
8
9
10
10
10
10
10
11
11
11
11
12
14
14
15
15
12
11
12
12
12
12

Relative Humidity (%)

65
66
66
69
69
66
60
55
51
47
43
41
40
42
45
49
55
58
54
52
60
68
72
77

Pressure (mb)

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

Ozone (du)

321
322
326
329
328
327
327
328
328
329
329
328
329
329
330
329
327
327
326
327
328
329
329
329

Tuesday 14

New Moon 0%

04:36

22:04

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

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)

27
55
60
62
40
18
0
0
0
0
5
10
14
20
29
39
43
47
39
22
14
9
36
54

Low Clouds (% Sky Obscured)

14
17
19
23
17
10
0
0
0
0
5
10
14
20
28
35
23
12
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
3
3
3
3
1
1
0
0
0
0
0
16
10

High Clouds (% Sky Obscured)

17
41
35
35
11
4
0
0
0
0
0
0
0
1
6
14
25
39
36
20
11
9
22
37

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)

15
14
14
15
17
17
17
19
19
17
16
14
13
10
9
8
7
10
16
20
20
18
17
16

Chance of Frost

Temperature (°C)

16
15
15
15
16
17
18
21
22
24
25
26
27
28
28
28
27
25
24
23
22
20
19
19

Feels Like (°C)

14
13
13
12
13
15
16
18
20
22
24
25
26
29
30
30
30
26
21
18
16
16
16
15

Dew Point (°C)

13
13
13
13
12
13
14
15
15
14
13
13
14
14
15
17
19
17
12
8
8
10
12
12

Relative Humidity (%)

82
85
85
85
79
76
73
68
61
52
47
45
44
44
45
52
60
63
48
38
41
51
61
66

Pressure (mb)

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

Ozone (du)

330
330
330
331
331
331
332
333
331
325
323
321
320
321
321
322
323
325
326
327
328
329
331
331

Wednesday 15

Waxing Crescent 2%

06:10

22:27

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
01 Bad
02 Bad

Sun - Rise: 05:12, Set: 21:31, Transit: 13:22. Moon - Rise: 06:10, Set: 22:27. Civil Dark: 22:17 - 04:26. Nautical Dark: 23:26 - 03:18. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

78
76
77
78
71
73
68
69
67
93
100
97
100
99
100
77
52
54
48
68
85
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
4
5
11
17
22
16
29
1
20
20
21
27
34
40
37
33

Medium Clouds (% Sky Obscured)

3
3
3
3
2
2
1
10
20
37
80
82
99
96
93
50
52
50
48
63
78
92
78
63

High Clouds (% Sky Obscured)

53
59
61
71
71
73
68
69
67
93
100
87
67
61
64
56
38
51
48
68
84
100
100
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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
31
23
11
35
62
73
76
79
78
80
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.3
0.4
0.4
0.4
0.8
1

Wind Speed/Direction (mph)

15
14
12
10
10
10
10
10
11
9
7
5
4
5
6
6
5
6
7
9
9
9
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
15
16
16
18
19
20
21
23
25
25
26
26
25
23
26
26
26
26
25
24
22
19

Dew Point (°C)

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

Relative Humidity (%)

70
73
76
78
76
70
67
62
58
55
51
49
47
50
61
73
73
79
83
89
89
91
91
92

Pressure (mb)

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

Ozone (du)

333
335
337
338
337
337
335
335
336
337
337
336
337
337
337
338
338
336
333
331
331
331
331
333

Thursday 16

Waxing Crescent 7%

07:44

22:44

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
01 Bad
02 Bad

Sun - Rise: 05:14, Set: 21:30, Transit: 13:22. Moon - Rise: 07:44, Set: 22:44. Civil Dark: 22:16 - 04:28. Nautical Dark: 23:24 - 03:20. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
91
81
72
60
46
31
49
62
76
56
37
14
38
61
83
84
90
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

27
32
36
38
36
33
28
40
53
68
45
23
1
1
1
0
1
2
3
7
12
16
18
17

Medium Clouds (% Sky Obscured)

49
40
33
25
18
9
0
0
1
1
2
2
2
1
1
1
7
13
19
26
33
40
50
57

High Clouds (% Sky Obscured)

100
81
69
59
41
21
1
4
8
14
24
33
14
38
49
43
62
80
100
100
100
100
100
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

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

Precipitation Probability (%)

95
95
82
52
52
45
29
32
28
2
41
51
44
88
87
76
55
39
30
36
43
50
43
35

Precipitation Amount (mm)

1
0.9
0.5
0
0
0
0
0
0
0
0
0
0
0.5
0.3
0.2
0
0
0
0
0
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

17
17
17
18
18
18
18
17
18
19
19
19
19
19
19
19
19
19
19
19
18
18
17
17

Relative Humidity (%)

92
93
92
93
92
86
80
74
74
73
73
74
75
78
80
84
88
89
92
95
93
93
92
93

Pressure (mb)

1018
1018
1018
1018
1018
1018
1019
1019
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

335
336
339
341
343
344
344
344
344
344
344
342
341
339
334
328
322
322
322
322
322
323
324
325

Friday 17

Waxing Crescent 14%

09:12

22:56

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: 05:15, Set: 21:29, Transit: 13:22. Moon - Rise: 09:12, Set: 22:56. Civil Dark: 22:15 - 04:29. Nautical Dark: 23:22 - 03:22. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
99
98
98
99
99
97
94
91
87
85
85
85
90
94

Low Clouds (% Sky Obscured)

17
21
25
30
41
51
59
55
51
50
47
43
39
44
49
53
48
42
37
41
46
52

Medium Clouds (% Sky Obscured)

60
70
85
100
96
93
88
73
59
40
45
55
65
61
60
61
59
60
58
49
45
37

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
94
92
82
83
84
87
71
53
34
46
57
72
73
76
83

ISS Passover

Visibility (miles)

9
9
8
7
6
7
8
9
7
6
4
5
7
8
9
9
9
8
8
7
8
9

Fog (%)

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

Precipitation Probability (%)

20
33
40
43
58
60
55
66
67
50
70
75
64
65
69
60
59
57
58
47
38
24

Precipitation Amount (mm)

0
0
0
0
0.2
0.3
0.2
0.3
0.3
0
0.3
0.3
0
0.2
0.4
0
0.3
0.4
0.6
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
19
19
19
18
20
19
20
20
20
19
21
20
20
21
20
20
20
20
20
19
19

Dew Point (°C)

18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
17
17
16
16
16

Relative Humidity (%)

95
96
95
95
95
93
92
91
89
86
84
85
85
86
88
86
88
89
92
96
95
95

Pressure (mb)

1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

326
327
329
331
333
334
336
337
337
336
336
335
334
333
333
334
334
334
335
335
333
332

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

Generated: 11/07/26 03:30:46. Forecast: 11/07/26 to 17/07/26. Timezone: UTC+1.00