Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 14

Waning Gibbous 80%

23:16

10:36

20 OK
21 OK
22 OK
23 Bad
00 Bad
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

Sun - Rise: 05:15, Set: 21:24, Transit: 13:19. Moon - Rise: 23:16, Set: 10:36. Civil Dark: 22:08 - 04:31. Nautical Dark: 23:12 - 03:27. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

12
15
25
43
67
67
83
81
92
86
86
94
91
92
98
100
99
97
91
79
82
91
99
100

Low Clouds (% Sky Obscured)

12
15
25
40
60
58
69
67
71
64
65
79
56
70
64
79
71
92
80
66
68
69
68
83

Medium Clouds (% Sky Obscured)

0
15
0
2
20
30
47
30
40
66
59
59
54
85
95
100
87
76
40
27
29
30
0
0

High Clouds (% Sky Obscured)

0
0
9
35
4
3
0
8
32
0
0
0
0
0
0
0
0
0
0
0
0
52
93
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
7
8
8
3
4
7
4
4
3
5
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

11
11
11
10
14
15
20
22
27
20
33
36
54
68
95
95
95
89
85
82
71
58
49
35

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.6
1.1
1.4
0.7
0.7
0.6
0.5
0.3
0.2
0

Wind Speed/Direction (mph)

15
15
14
14
15
14
13
11
12
12
14
17
19
22
22
23
23
26
26
25
25
24
23
22

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
14
13
12
11
11
12
11
11
10
11
10
11
11
10
10
10
8
9
11
12
12
11
12

Dew Point (°C)

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

Relative Humidity (%)

67
73
74
75
76
78
84
89
89
89
86
82
79
81
83
89
90
92
92
92
90
90
92
92

Pressure (mb)

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

Ozone (du)

373
370
364
362
364
365
362
355
351
350
347
348
348
346
343
345
349
350
349
348
348
343
341
339

Tuesday 15

Waning Gibbous 70%

23:28

11:58

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

Sun - Rise: 05:16, Set: 21:23, Transit: 13:19. Moon - Rise: 23:28, Set: 11:58. Civil Dark: 22:07 - 04:32. Nautical Dark: 23:11 - 03:29. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

83
65
72
60
98
100
100
100
100
94
24
23
61
97
97
99
83
89
96
98
87
86
94
95

Low Clouds (% Sky Obscured)

50
54
58
58
38
30
21
0
0
0
0
0
25
40
36
46
57
59
66
59
23
22
16
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
10
3
0
0
0
14
18
26
51
34
56
61
72
47
77
83
87

High Clouds (% Sky Obscured)

60
23
26
15
98
100
100
100
100
94
24
23
33
97
93
80
9
12
12
84
41
63
76
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 (%)

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 (%)

25
26
19
18
6
5
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2

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)

20
16
13
9
7
7
7
7
5
6
6
5
7
8
7
8
8
9
10
10
11
11
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
90
87
90
90
90
92
92
92
93
93
90
81
68
57
52
49
47
46
45
45
48
53
59

Pressure (mb)

1012
1012
1013
1014
1014
1014
1015
1015
1015
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

338
337
337
338
335
334
334
333
331
329
327
324
320
316
315
312
310
307
304
302
300
299
299
299

Wednesday 16

Waning Gibbous 59%

23:40

13:22

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

Sun - Rise: 05:17, Set: 21:22, Transit: 13:19. Moon - Rise: 23:40, Set: 13:22. Civil Dark: 22:06 - 04:33. Nautical Dark: 23:09 - 03:31. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

94
100
100
100
100
100
100
100
100
100
96
97
99
100
100
95
94
85
70
67
56
62
35
70

Low Clouds (% Sky Obscured)

33
60
75
100
86
80
79
86
89
99
92
95
99
98
100
91
89
78
65
53
50
47
35
41

Medium Clouds (% Sky Obscured)

80
78
92
94
99
94
65
37
47
46
48
72
96
100
98
77
30
55
47
50
19
3
2
1

High Clouds (% Sky Obscured)

55
32
39
25
19
97
100
100
91
37
22
51
91
100
88
50
32
15
6
20
6
15
3
15

ISS Passover

Visibility (miles)

9
9
9
9
9
4
1
1
0
0
8
8
3
9
3
4
3
2
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
46
52
36
29
30
12
10
22
23
8
3
20
27
19
33
35
32
18
15
8
7
4
3

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
6
5
4
4
3
3
3
5
8
8
8
9
10
11
10
9
11
11
12
12
12
11
11

Chance of Frost

Temperature (°C)

19
19
18
18
18
17
17
17
17
17
17
18
18
19
19
19
19
20
22
23
22
23
22
22

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
72
80
85
92
95
96
98
98
96
96
95
93
93
92
92
95
92
74
67
72
67
71
75

Pressure (mb)

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

Ozone (du)

299
298
299
300
300
299
300
301
302
301
303
304
303
304
303
303
304
305
305
303
303
305
307
307

Thursday 17

Waning Gibbous 48%

23:53

14:49

20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
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

Sun - Rise: 05:18, Set: 21:21, Transit: 13:19. Moon - Rise: 23:53, Set: 14:49. Civil Dark: 22:04 - 04:35. Nautical Dark: 23:07 - 03:33. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

74
79
85
92
99
99
100
100
99
99
99
99
100
81
98
96
56
60
91
89
64
84
65
68

Low Clouds (% Sky Obscured)

48
63
62
66
65
57
52
44
49
56
63
67
73
78
77
76
56
60
80
80
64
64
56
62

Medium Clouds (% Sky Obscured)

0
0
21
44
63
53
73
62
65
84
94
93
76
57
48
40
27
23
20
16
22
30
34
25

High Clouds (% Sky Obscured)

20
20
40
68
85
87
94
100
90
89
83
88
94
72
80
58
18
15
11
5
4
26
4
28

ISS Passover

Visibility (miles)

9
9
9
9
9
6
4
9
9
9
9
9
9
9
9
7
7
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
Very Light Rain
Very Light Rain
None
Light Rain
Light Rain
Very Light Rain
Light Rain
None
None

Precipitation Probability (%)

6
5
8
12
6
3
3
1
3
5
5
29
34
18
40
57
62
55
85
85
71
69
57
53

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
6
5
4
4
4
3
3
2
2
1
2
3
4
5
7
7
7
8
7
8
8
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
91
95
96
98
98
98
98
96
98
98
96
90
82
74
69
62
53
52
55
52
56
59
64

Pressure (mb)

1015
1015
1015
1015
1015
1015
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1011
1011
1010
1010
1010
1009

Ozone (du)

308
310
311
311
315
320
323
325
327
326
327
328
330
331
332
331
331
330
330
329
328
326
325
322

Friday 18

Third Quarter 36%

00:10

16:19

20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
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

Sun - Rise: 05:20, Set: 21:19, Transit: 13:19. Moon - Rise: 00:10, Set: 16:19. Civil Dark: 22:03 - 04:36. Nautical Dark: 23:05 - 03:35. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

95
100
100
100
91
99
100
100
100
100
100
85
83
82
76
72
66
77
85
90
65
38
16
12

Low Clouds (% Sky Obscured)

69
75
77
79
80
83
86
88
84
79
75
69
64
57
47
36
26
38
50
60
60
38
16
12

Medium Clouds (% Sky Obscured)

15
4
12
21
29
38
46
89
96
98
89
77
76
76
66
59
51
58
67
77
60
38
16
10

High Clouds (% Sky Obscured)

75
100
100
91
91
95
93
100
100
100
100
64
50
47
39
35
35
54
69
69
57
38
16
12

ISS Passover

Visibility (miles)

9
9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
8
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
Very Light Rain
None
None
None
None
Very Light Rain

Precipitation Probability (%)

48
40
34
19
20
17
14
20
17
20
26
21
27
22
39
45
38
51
57
49
39
35
44
52

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.2
0
0
0
0.2

Wind Speed/Direction (mph)

6
5
4
4
4
4
4
4
3
3
3
3
4
6
7
9
10
12
11
12
13
13
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

23
19
18
18
18
18
17
17
17
17
17
18
18
18
19
19
19
20
22
20
20
20
20
19

Dew Point (°C)

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

Relative Humidity (%)

71
84
85
85
85
86
88
86
86
87
87
88
81
75
70
66
63
60
60
60
61
63
67
71

Pressure (mb)

1009
1009
1009
1009
1009
1009
1008
1007
1007
1007
1006
1006
1007
1007
1006
1006
1006
1006
1006
1005
1005
1005
1005
1005

Ozone (du)

322
323
325
326
327
332
334
334
336
336
336
336
337
339
340
342
344
346
349
352
355
352
349
346

Saturday 19

Waning Crescent 25%

00:32

17:48

20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
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

Sun - Rise: 05:21, Set: 21:18, Transit: 13:19. Moon - Rise: 00:32, Set: 17:48. Civil Dark: 22:02 - 04:38. Nautical Dark: 23:03 - 03:37. Astro Dark: N/A - 01:39

Total Clouds (% Sky Obscured)

13
14
33
46
54
52
46
43
33
22
15
49
82
100
88
79
81
78
70
69
63
53
47
57

Low Clouds (% Sky Obscured)

13
14
33
46
54
52
46
43
33
22
15
49
76
77
66
56
48
55
61
66
60
53
47
47

Medium Clouds (% Sky Obscured)

13
14
27
32
41
42
43
30
25
22
15
33
40
48
37
29
20
19
18
17
12
6
0
8

High Clouds (% Sky Obscured)

13
14
33
46
54
52
46
43
33
22
15
49
75
75
75
79
75
59
37
16
13
12
10
10

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

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

Precipitation Probability (%)

52
50
42
38
28
58
77
90
85
86
92
91
85
72
63
49
19
26
39
53
58
58
48
44

Precipitation Amount (mm)

0.2
0.2
0
0
0
0.2
0.4
0.6
0.5
0.5
0.6
0.6
0.6
0.4
0.3
0
0
0
0
0.2
0.3
0.3
0.2
0

Wind Speed/Direction (mph)

13
12
10
10
10
10
10
10
10
9
9
9
10
10
10
13
15
17
17
17
16
15
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
16
15
14
14
12
11
11
11
10
10
11
11
12
12
12
12
18
16
14
14
14
14

Dew Point (°C)

13
14
14
13
13
13
11
10
8
8
9
9
9
10
11
10
9
8
8
8
9
9
9
9

Relative Humidity (%)

77
85
92
90
89
89
87
86
84
83
81
80
81
84
86
71
61
52
52
52
52
55
57
60

Pressure (mb)

1005
1005
1005
1005
1004
1004
1004
1003
1003
1003
1002
1002
1002
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003

Ozone (du)

344
342
340
341
342
343
346
349
352
351
351
350
352
355
357
359
360
361
357
352
347
348
348
348

Sunday 20

Waning Crescent 15%

01:05

19:10

20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 05:22, Set: 21:17, Transit: 13:19. Moon - Rise: 01:05, Set: 19:10. Civil Dark: 22:00 - 04:40. Nautical Dark: 23:01 - 03:40. Astro Dark: 00:59 - 01:51

Total Clouds (% Sky Obscured)

67
76
66
65
59
71
76
80
75
79
76
77
82
91
90
89
87

Low Clouds (% Sky Obscured)

48
46
52
58
59
53
46
40
46
56
67
73
78
83
80
77
76

Medium Clouds (% Sky Obscured)

15
26
21
15
9
18
26
37
42
48
49
50
52
53
60
68
74

High Clouds (% Sky Obscured)

12
10
35
63
59
65
35
5
5
5
10
10
20
25
40
45
45

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
6
3
1
3
5

Fog (%)

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

Precipitation Probability (%)

35
2
15
21
18
22
21
6
26
35
43
47
48
44
61
76
90

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
11
9
9
8
8
8
7
8
6
6
6
7
8
10
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
10
10
10
10
10
10
10
11
11
12
13
14
15
16
16
16

Relative Humidity (%)

66
74
80
83
86
88
87
87
87
90
93
96
96
98
98
96
96

Pressure (mb)

1003
1004
1004
1004
1005
1005
1005
1005
1005
1005
1004
1004
1004
1004
1004
1004
1004

Ozone (du)

345
342
339
336
332
329
325
321
317
316
315
313
313
312
311
310
308

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

Generated: 14/07/25 20:44:40. Forecast: 14/07/25 to 20/07/25. Timezone: UTC+1.00