Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 10

Full Moon 100%

21:57

No Set

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

Sun - Rise: 05:09, Set: 21:27, Transit: 13:18. Moon - Rise: 21:57, Set: No Set. Civil Dark: 22:12 - 04:25. Nautical Dark: 23:19 - 03:19. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

20
24
12
28
22
6
6
6
3
2
2
1
1
0
2
2
2
3
13
6
3
1
1
2

Low Clouds (% Sky Obscured)

20
0
0
1
5
0
0
6
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)

16
20
12
28
22
6
6
0
2
2
2
1
1
0
2
2
2
3
13
6
3
1
1
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 (%)

41
74
36
19
14
12
10
6
11
18
26
24
24
27
15
2
2
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
2
2
2
2
3
4
6
7
8
8
8
8
9
8
6
6
6
5
5
4
3
4
3

Chance of Frost

Temperature (°C)

14
14
16
19
20
22
24
25
26
26
27
27
27
26
26
24
22
20
18
18
17
16
16
16

Feels Like (°C)

16
16
18
20
23
24
26
27
28
27
28
28
28
28
27
26
24
22
20
19
19
18
18
18

Dew Point (°C)

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

Relative Humidity (%)

95
93
89
86
80
73
65
61
56
55
53
52
53
55
61
72
78
84
88
88
87
89
87
87

Pressure (mb)

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

Ozone (du)

330
330
330
329
329
329
328
326
326
326
327
329
327
326
326
324
323
323
323
323
321
321
321
322

Friday 11

Waning Gibbous 98%

22:26

05:08

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

Sun - Rise: 05:10, Set: 21:26, Transit: 13:18. Moon - Rise: 22:26, Set: 05:08. Civil Dark: 22:11 - 04:26. Nautical Dark: 23:18 - 03:21. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

3
2
1
2
2
2
0
6
26
24
30
0
69
12
10
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
6
25
24
27
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
2
0
43
6
4
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

3
2
1
1
0
0
0
0
1
0
1
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
2
2
1
9
12
8
2
4
4
2
1
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
4
3
2
3
4
4
5
6
7
6
5
5
3
2
2
2
3
4

Chance of Frost

Temperature (°C)

15
15
18
21
23
25
26
27
29
29
30
30
30
30
29
27
25
23
21
20
19
18
18
17

Feels Like (°C)

18
18
20
24
25
26
28
30
31
31
32
32
32
32
31
30
28
25
24
23
22
21
20
19

Dew Point (°C)

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

Relative Humidity (%)

87
87
81
71
63
58
54
51
47
44
42
40
40
44
55
69
76
78
77
77
80
81
82
85

Pressure (mb)

1021
1021
1021
1021
1021
1021
1020
1020
1020
1019
1019
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018

Ozone (du)

323
323
323
323
322
322
320
319
319
321
322
322
323
323
322
321
320
320
319
320
319
320
320
320

Saturday 12

Waning Gibbous 95%

22:47

06:28

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

Sun - Rise: 05:11, Set: 21:26, Transit: 13:18. Moon - Rise: 22:47, Set: 06:28. Civil Dark: 22:10 - 04:28. Nautical Dark: 23:16 - 03:23. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
0
0
4
4
5
29
28
34
39
26
21
4
24
19
2
5
0
4
2
2
2

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
29
28
34
33
25
20
3
21
17
0
4
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
6
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
4
4
5
5
5
1
1
1
1
1
2
1
2
2
0
4
1
1
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 (%)

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
4
5
4
4
4
4
4
4
4
3
3
4
5
4
3
4
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

16
16
18
21
22
24
26
27
28
29
30
30
30
30
29
27
24
21
20
19
18
17
17
16

Feels Like (°C)

19
18
20
22
24
26
28
29
31
32
32
33
33
33
32
30
26
23
22
20
19
18
17
16

Dew Point (°C)

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

Relative Humidity (%)

86
81
76
68
62
55
51
48
46
43
39
36
34
34
45
54
63
71
76
75
71
70
71
72

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1016
1016
1015
1015
1014
1014
1013
1013
1013
1013
1014
1014
1015
1015
1015
1015
1015

Ozone (du)

320
322
322
324
325
325
325
325
324
325
326
327
327
326
327
328
328
329
328
328
328
328
327
327

Sunday 13

Waning Gibbous 88%

23:03

07:51

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

Sun - Rise: 05:12, Set: 21:25, Transit: 13:19. Moon - Rise: 23:03, Set: 07:51. Civil Dark: 22:09 - 04:29. Nautical Dark: 23:14 - 03:25. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

2
0
0
2
8
39
40
40
40
8
43
63
81
99
100
100
100
83
17
0
14
33
50
41

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
33
50
41

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
29
78
28
13
0
6
12
18
14

High Clouds (% Sky Obscured)

1
0
0
1
3
20
35
35
25
6
33
63
80
99
100
100
100
75
17
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
1

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
6
8
10
11
10
8
8
7
5
4
5
8
8
6
5
4
3
2
3
4
5
6

Chance of Frost

Temperature (°C)

16
16
17
19
20
22
23
25
26
27
28
29
28
27
25
23
22
20
19
18
17
17
16
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
73
71
62
55
46
40
35
31
29
26
26
26
31
43
47
47
46
50
51
53
55
61
69

Pressure (mb)

1015
1015
1014
1014
1014
1014
1014
1013
1013
1012
1012
1012
1011
1011
1011
1012
1012
1012
1012
1012
1012
1013
1013
1013

Ozone (du)

327
324
321
319
321
321
321
319
319
319
319
319
319
322
325
327
332
342
342
336
332
330
329
328

Monday 14

Waning Gibbous 80%

23:16

09:14

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

Sun - Rise: 05:13, Set: 21:24, Transit: 13:19. Moon - Rise: 23:16, Set: 09:14. Civil Dark: 22:08 - 04:31. Nautical Dark: 23:12 - 03:27. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

35
27
49
76
99
84
47
27
45
63
77
85
88
91
74
75
71
47
22
0
24
47
51
30

Low Clouds (% Sky Obscured)

35
27
46
54
62
53
45
27
32
28
24
29
33
38
2
3
5
3
1
0
7
13
19
14

Medium Clouds (% Sky Obscured)

8
0
0
0
0
0
0
0
13
26
36
24
12
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
1
25
48
75
57
30
0
0
0
0
28
57
76
40
59
68
47
22
0
24
43
45
30

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 (%)

3
0
2
5
3
5
6
1
2
3
4
3
2
0
0
0
0
4
5
2
9
12
13
14

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)

6
7
9
11
13
14
14
15
16
16
17
18
18
18
16
13
11
9
9
8
8
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
13
14
15
15
15
13
10
11
12
12
13
12
11
10
11
12
12
12
12
12
11
11
11

Relative Humidity (%)

80
87
86
82
80
80
69
51
53
56
58
60
62
61
63
71
80
90
90
90
90
90
90
92

Pressure (mb)

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

Ozone (du)

328
329
328
329
330
330
328
329
330
330
331
332
334
338
341
347
353
359
359
360
360
358
355
352

Tuesday 15

Waning Gibbous 77%

23:28

10:36

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

Sun - Rise: 05:15, Set: 21:23, Transit: 13:19. Moon - Rise: 23:28, Set: 10:36. Civil Dark: 22:07 - 04:32. Nautical Dark: 23:11 - 03:29. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

29
36
56
76
97
96
98
100
93
86
79
78
80
82
79
64
65
56
51
37
33
38
35
35

Low Clouds (% Sky Obscured)

9
4
13
21
29
28
28
28
25
22
19
20
17
17
11
7
0
8
13
15
10
10
10
10

Medium Clouds (% Sky Obscured)

0
0
0
0
0
12
23
37
38
36
38
31
22
13
27
41
55
56
51
37
33
33
15
11

High Clouds (% Sky Obscured)

29
34
42
47
51
66
83
100
93
86
79
67
43
25
31
36
42
35
24
20
15
14
12
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
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 (%)

12
5
12
14
15
18
18
17
14
8
0
0
0
0
1
1
0
0
0
0
10
17
22
25

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
8
9
10
11
13
13
14
15
15
15
14
13
13
13
10
8
6
5
5
5
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
11
12
12
12
11
11
10
10
10
10
10
10
11
11
12
12
12
12
11
12
12
12

Relative Humidity (%)

87
86
82
78
72
67
62
58
54
54
54
54
56
61
66
71
77
82
80
80
78
82
86
90

Pressure (mb)

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

Ozone (du)

348
344
340
339
338
336
335
334
333
330
328
325
323
321
319
317
314
312
311
309
308
307
307
306

Wednesday 16

Waning Gibbous 70%

23:40

11:58

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 OK
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK

Sun - Rise: 05:16, Set: 21:22, Transit: 13:19. Moon - Rise: 23:40, Set: 11:58. Civil Dark: 22:06 - 04:33. Nautical Dark: 23:09 - 03:31. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

50
65
68
70
73
71
54
50
40
40
40
36
47
40
34
27
27
23
19
13

Low Clouds (% Sky Obscured)

10
10
15
15
20
20
20
20
29
33
40
36
42
36
25
12
1
0
0
0

Medium Clouds (% Sky Obscured)

7
2
9
16
21
16
11
5
4
3
2
2
1
1
1
0
0
0
0
0

High Clouds (% Sky Obscured)

22
25
26
32
34
24
17
10
5
5
5
3
2
1
3
9
16
22
19
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

Fog (%)

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

Precipitation Probability (%)

25
15
17
17
15
17
16
16
19
19
12
16
12
4
6
5
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

Wind Speed/Direction (mph)

5
5
7
8
9
11
12
13
14
14
13
13
13
13
13
10
8
5
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
13
16
16
16
16
16
17
18
19
18
18
18
18
18
17
17
16
16

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
89
88
86
85
84
82
79
74
71
72
74
75
80
86
93
93
93

Pressure (mb)

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

Ozone (du)

306
305
304
303
302
302
302
302
302
302
301
301
302
302
302
302
302
302
302
301

Forecast for Barry, Vale of Glamorgan, United Kingdom (51.40,-3.28)

Generated: 10/07/25 05:02:41. Forecast: 10/07/25 to 16/07/25. Timezone: UTC+1.00