Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 7

Waning Gibbous 83%

21:46

10:29

01 Bad
02 Bad
03 Bad
04 Bad
05 OK
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: 08:16, Set: 16:23, Transit: 12:19. Moon - Rise: 21:46, Set: 10:29. Civil Dark: 17:02 - 07:37. Nautical Dark: 17:44 - 06:54. Astro Dark: 18:24 - 06:14

Total Clouds (% Sky Obscured)

95
61
53
52
36
49
81
92
86
81
81
89
94
98
96
97
99
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

28
24
29
38
36
47
49
54
50
51
59
52
56
60
51
48
63
89
100
100
100
100
97
92

Medium Clouds (% Sky Obscured)

0
2
1
48
2
8
45
55
45
45
52
55
52
85
87
58
68
97
100
100
94
100
100
64

High Clouds (% Sky Obscured)

0
0
0
0
2
0
2
3
22
5
42
42
77
88
79
91
79
71
96
73
98
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
None
None
None
None
None
None
None
None

Precipitation Probability (%)

21
10
2
4
4
5
6
2
1
1
1
0
0
0
0
4
0
1
5
5
9
21
24
10

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)

11
11
12
9
10
11
12
11
10
13
13
14
14
13
11
9
5
3
4
3
3
2
1
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
0
-1
-3
-2
-2
-2
-2
-2
-0
0
-0
0
-0
-0
-1
-1
-1
-1
0
1
1
1

Dew Point (°C)

4
2
1
-1
-1
-1
-1
-1
-1
-0
0
1
1
1
1
1
0
0
-0
-0
1
1
1
2

Relative Humidity (%)

93
86
85
84
86
83
81
83
83
79
76
75
73
73
76
80
85
85
85
83
86
86
88
89

Pressure (mb)

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

Ozone (du)

377
373
365
359
348
337
325
310
301
305
311
312
310
312
309
307
306
312
313
316
321
324
324
319

Thursday 8

Waning Gibbous 74%

23:01

10:41

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: 08:15, Set: 16:24, Transit: 12:20. Moon - Rise: 23:01, Set: 10:41. Civil Dark: 17:03 - 07:36. Nautical Dark: 17:45 - 06:54. Astro Dark: 18:25 - 06:14

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
89
100
100
98
100
87

Low Clouds (% Sky Obscured)

76
40
47
56
63
55
29
21
42
100
100
100
100
100
100
100
100
85
80
100
100
83
75
78

Medium Clouds (% Sky Obscured)

97
100
100
78
97
100
100
100
100
100
100
100
100
100
100
100
100
100
72
65
100
97
100
81

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
63
12
100
100
100
100
100
100
100
100
40
2
0
11
20
20
20

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
6
2
0
0
0
0
0
0
2
2
2
5
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
Very Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Snow
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Sleet
Sleet
Sleet
None

Precipitation Probability (%)

5
4
4
2
1
1
7
6
19
65
95
95
95
95
95
95
95
95
95
95
95
95
67
42

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0.7
1.8
3.4
3.2
2.1
3.3
4.1
2.2
1.6
1
1.7
1.1
0.2
0

Wind Speed/Direction (mph)

1
3
4
5
6
5
4
3
1
2
4
6
10
13
15
16
20
22
23
27
25
23
21
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
2
0
-0
-0
-0
0
1
2
1
2
0
-2
-3
-3
-3
-3
-3
-4
-4
-5
-5
-3

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
93
93
93
91
91
89
88
91
93
94
98
100
96
98
96
96
93
91
91
88
86

Pressure (mb)

1007
1007
1007
1007
1007
1007
1007
1006
1006
1005
1004
1002
999
997
994
991
987
983
980
978
977
977
979
981

Ozone (du)

317
318
320
322
325
327
325
323
320
317
319
320
322
324
326
331
337
344
353
360
354
349
346
346

Friday 9

Waning Gibbous 64%

00:15

10:52

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 OK
00 OK

Sun - Rise: 08:15, Set: 16:25, Transit: 12:20. Moon - Rise: 00:15, Set: 10:52. Civil Dark: 17:04 - 07:36. Nautical Dark: 17:46 - 06:54. Astro Dark: 18:26 - 06:13

Total Clouds (% Sky Obscured)

96
100
100
100
100
100
100
100
100
100
100
100
100
85
84
81
78
74
66
63
57
48
35
38

Low Clouds (% Sky Obscured)

65
60
64
66
65
65
66
63
53
61
59
46
43
45
51
52
55
52
51
45
46
43
35
38

Medium Clouds (% Sky Obscured)

93
100
100
100
100
100
100
100
91
100
100
100
98
67
64
55
48
37
36
31
20
11
0
3

High Clouds (% Sky Obscured)

35
100
100
100
100
100
100
99
100
100
34
5
9
4
1
1
0
1
1
2
3
3
2
2

ISS Passover

Visibility (miles)

9
9
0
0
6
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
Very Light Rain
Snow
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

58
68
72
62
61
63
58
49
41
35
28
29
30
23
19
14
9
7
8
5
7
8
1
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

22
26
21
22
22
19
20
20
20
19
18
18
19
18
18
17
15
14
15
16
15
13
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
1
2
3
2
1
1
1
1
1
2
2
2
1
1
1
-0
-1
-0
-0
-0
0
0
0

Relative Humidity (%)

89
86
94
94
91
86
86
88
86
85
85
85
82
80
82
80
80
80
80
79
80
83
86
86

Pressure (mb)

982
985
987
988
989
990
991
992
993
994
995
996
996
997
998
999
1000
1000
1001
1002
1003
1004
1005
1005

Ozone (du)

350
357
355
373
384
382
388
387
390
398
407
409
407
405
401
401
399
396
394
389
389
390
395
395

Saturday 10

Third Quarter 54%

No Rise

11:03

01 OK
02 OK
03 Bad
04 OK
05 OK
06 OK
07 OK
08 OK
09 OK
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: 08:14, Set: 16:27, Transit: 12:20. Moon - Rise: No Rise, Set: 11:03. Civil Dark: 17:05 - 07:35. Nautical Dark: 17:48 - 06:53. Astro Dark: 18:28 - 06:13

Total Clouds (% Sky Obscured)

40
38
35
31
28
30
30
26
36
48
56
56
51
55
51
57
53
62
83
87
84
100
100
100

Low Clouds (% Sky Obscured)

40
38
35
31
28
30
30
26
36
40
39
46
51
55
39
22
5
22
39
56
71
83
94
96

Medium Clouds (% Sky Obscured)

6
8
7
3
0
0
0
0
9
17
24
34
45
55
49
48
37
38
39
40
44
48
52
59

High Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
18
40
56
56
51
55
51
57
53
62
83
87
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
None
None
None
None
None
None
Very Light Rain
Light Rain

Precipitation Probability (%)

2
3
6
7
5
5
5
1
3
3
0
0
0
0
0
0
0
0
2
4
23
42
65
83

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
0.3
0.5

Wind Speed/Direction (mph)

10
10
9
10
11
11
11
11
11
11
11
11
10
9
8
6
4
2
3
3
3
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-1
-1
0
-1
-1
-1
-0
-1
1
2
2
3
3
3
2
1
1
1
0
-1
-1
-2
-2

Dew Point (°C)

0
0
0
0
-1
-1
-0
-0
-0
1
1
2
1
1
2
1
0
-1
-1
-1
-1
-1
-1
-0

Relative Humidity (%)

86
86
88
85
79
79
80
80
80
79
76
76
75
75
79
82
85
84
84
84
83
84
86
89

Pressure (mb)

1006
1007
1007
1008
1009
1009
1010
1011
1012
1013
1014
1014
1015
1015
1016
1016
1017
1017
1017
1017
1017
1017
1016
1016

Ozone (du)

398
396
397
392
390
388
382
380
376
371
368
365
359
353
350
349
350
349
347
343
340
334
327
325

Sunday 11

Waning Crescent 44%

01:27

11:15

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: 08:13, Set: 16:28, Transit: 12:21. Moon - Rise: 01:27, Set: 11:15. Civil Dark: 17:07 - 07:35. Nautical Dark: 17:49 - 06:53. Astro Dark: 18:29 - 06:13

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
93
90
93
95
96
94
91
90
87

Low Clouds (% Sky Obscured)

97
98
97
96
95
92
90
87
87
88
88
90
94
98
90
82
74
78
81
84
81
77
73
70

Medium Clouds (% Sky Obscured)

61
62
75
70
71
93
86
81
84
87
91
94
98
100
92
90
90
89
86
79
53
28
4
18

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
77
70
70
90
75
70
49
23
10
5
2
0
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
5
2
0
1
2
3
3
3
3

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

Precipitation Probability (%)

95
95
95
95
95
95
95
71
62
40
19
45
64
78
85
94
95
95
95
94
85
73
65
57

Precipitation Amount (mm)

0.7
1
1.1
1.3
2
1.6
1
0.5
0.3
0
0
0
0.4
0.6
0.6
0.6
0.7
0.8
0.7
0.5
0.5
0.4
0.4
0.3

Wind Speed/Direction (mph)

6
7
8
8
9
10
10
10
10
11
13
13
14
14
15
15
15
15
15
16
16
16
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-2
-2
-2
-2
-1
-2
-2
-1
-0
-0
0
1
1
1
1
1
1
-2
-2
-3
-3
-3
-2

Dew Point (°C)

0
1
1
1
1
2
2
2
3
3
3
3
3
4
3
4
4
5
6
6
6
6
7
7

Relative Humidity (%)

91
91
91
93
91
91
89
89
88
86
82
78
77
78
76
84
91
98
98
98
96
98
96
98

Pressure (mb)

1015
1014
1013
1012
1010
1009
1009
1008
1007
1006
1005
1004
1003
1002
1001
1000
999
999
999
998
998
998
998
998

Ozone (du)

323
318
314
312
312
308
305
305
305
307
311
313
315
316
317
322
327
333
338
343
348
343
338
334

Monday 12

Waning Crescent 35%

02:40

11:30

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: 08:13, Set: 16:30, Transit: 12:21. Moon - Rise: 02:40, Set: 11:30. Civil Dark: 17:08 - 07:34. Nautical Dark: 17:50 - 06:52. Astro Dark: 18:30 - 06:12

Total Clouds (% Sky Obscured)

85
84
89
96
96
97
96
96
96
91
88
84
84
85
82
76
69
79
90
100
100
100
100
94

Low Clouds (% Sky Obscured)

69
70
75
77
81
79
78
74
66
56
46
47
53
60
61
61
61
61
61
61
61
61
62
66

Medium Clouds (% Sky Obscured)

28
40
49
61
71
76
81
86
68
57
47
34
22
10
19
28
38
55
66
78
76
79
80
78

High Clouds (% Sky Obscured)

7
10
12
13
15
13
12
10
16
21
27
21
14
13
17
16
20
47
75
100
100
100
100
70

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

49
42
42
43
43
50
57
65
60
54
45
33
23
14
20
28
30
58
81
94
95
95
95
95

Precipitation Amount (mm)

0.2
0
0
0
0.2
0.2
0.3
0.5
0.4
0.3
0.2
0
0
0
0
0
0
0.2
0.4
0.5
0.9
1
0.8
1.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
98
98
98
98
100
100
98
98
98
96
95
95
95
95
95
95
95
95
95
95

Pressure (mb)

998
999
999
999
999
999
1000
1000
1001
1001
1001
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002

Ozone (du)

331
328
325
326
327
328
328
329
329
327
325
324
323
321
320
322
323
324
327
331
334
337
340
342

Tuesday 13

Waning Crescent 26%

03:53

11:49

Sun - Rise: 08:12, Set: 16:31, Transit: 12:21. Moon - Rise: 03:53, Set: 11:49. Civil Dark: 17:09 - 07:34. Nautical Dark: 17:51 - 06:52. Astro Dark: 18:31 - 06:12

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

Generated: 07/01/26 00:41:47. Forecast: 07/01/26 to 13/01/26. Timezone: UTC+0.00