Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 27

Waxing Gibbous 85%

12:35

05:25

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
03 Bad
04 Bad

Sun - Rise: 07:00, Set: 17:50, Transit: 12:25. Moon - Rise: 12:35, Set: 05:25. Civil Dark: 18:23 - 06:27. Nautical Dark: 19:02 - 05:48. Astro Dark: 19:41 - 05:10

Total Clouds (% Sky Obscured)

100
100
100
100
84
85
69
79
81
86
98
99
98
100
100
100
100
100
99
91
97
100
100
100

Low Clouds (% Sky Obscured)

100
97
100
88
78
83
63
56
63
63
98
97
97
100
100
100
98
100
99
91
62
35
44
35

Medium Clouds (% Sky Obscured)

77
59
24
26
0
0
0
23
28
30
41
96
96
82
100
96
96
77
64
61
59
55
55
55

High Clouds (% Sky Obscured)

100
100
100
40
64
40
40
40
1
0
0
0
0
0
0
0
0
0
3
4
38
69
70
42

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
2
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

37
23
11
23
32
32
37
40
64
89
95
95
87
75
88
95
85
80
73
61
47
18
12
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0.8
1.6
0.9
0.6
0.2
0.6
1
0.6
0.5
0.4
0.3
0
0
0
0

Wind Speed/Direction (mph)

10
9
7
4
11
8
6
4
3
1
1
2
3
2
3
3
2
2
3
3
3
3
2
1

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
10
11
11
11
11
11
10
8
8
7
7
7
7
7
6
6
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
96
95
88
88
87
87
86
84
83
80
82
85
87
90
90
88
88
88
88
88
88
88

Pressure (mb)

1005
1005
1005
1006
1007
1007
1008
1008
1008
1008
1008
1009
1009
1010
1010
1011
1012
1012
1013
1013
1014
1014
1015
1015

Ozone (du)

345
347
350
353
357
360
363
364
365
365
365
372
384
393
397
401
405
405
407
405
402
401
403
405

Saturday 28

Waxing Gibbous 92%

14:01

05:59

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

Sun - Rise: 06:58, Set: 17:52, Transit: 12:25. Moon - Rise: 14:01, Set: 05:59. Civil Dark: 18:25 - 06:25. Nautical Dark: 19:04 - 05:46. Astro Dark: 19:42 - 05:08

Total Clouds (% Sky Obscured)

78
47
33
24
44
32
35
31
30
25
13
18
53
50
67
79
41
79
92
100
100
100
100
100

Low Clouds (% Sky Obscured)

31
34
22
19
36
30
33
30
30
25
13
14
9
34
65
39
26
42
86
80
75
58
100
100

Medium Clouds (% Sky Obscured)

34
47
29
12
30
17
13
2
2
12
13
18
53
21
31
33
15
35
87
100
100
100
100
100

High Clouds (% Sky Obscured)

9
2
3
0
0
0
0
0
0
2
5
2
0
0
0
0
2
12
20
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
5
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

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
Light Rain

Precipitation Probability (%)

0
0
0
0
0
3
9
12
9
9
7
1
0
0
0
0
0
1
15
12
18
64
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
1.1
2

Wind Speed/Direction (mph)

1
1
1
1
3
6
7
9
10
11
13
11
10
8
6
6
6
6
7
8
10
12
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
88
83
82
79
77
72
68
72
79
85
91
94
93
91
91
91
91
91
90
93
96

Pressure (mb)

1016
1017
1017
1018
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1018
1018
1017
1016
1015

Ozone (du)

409
411
416
417
415
412
410
407
407
408
410
410
411
409
404
398
393
392
391
390
390
389
388
392

Sunday 1

Waxing Gibbous 97%

15:29

06:23

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
03 Bad
04 Bad

Sun - Rise: 06:56, Set: 17:54, Transit: 12:25. Moon - Rise: 15:29, Set: 06:23. Civil Dark: 18:27 - 06:23. Nautical Dark: 19:05 - 05:44. Astro Dark: 19:44 - 05:05

Total Clouds (% Sky Obscured)

100
100
100
100
99
96
100
97
100
100
99
100
100
100
94
98
98
98
100
99
100
100
95
88

Low Clouds (% Sky Obscured)

100
100
100
100
97
94
74
91
69
100
97
100
100
100
84
90
81
74
81
83
85
88
92
88

Medium Clouds (% Sky Obscured)

100
100
99
51
93
62
56
53
63
70
48
49
47
51
43
76
78
73
63
57
49
48
45
50

High Clouds (% Sky Obscured)

100
100
100
75
75
25
19
41
100
21
20
26
24
28
52
20
20
41
31
18
31
49
61
71

ISS Passover

Visibility (miles)

2
2
4
6
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain

Precipitation Probability (%)

95
95
95
95
95
74
59
65
26
21
21
7
33
19
14
12
8
4
7
19
34
50
69
84

Precipitation Amount (mm)

2.1
2.1
2.1
1.3
0.9
0.6
0.4
0.7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6

Wind Speed/Direction (mph)

15
20
16
15
16
16
15
15
15
14
15
16
15
15
15
15
14
14
15
15
14
15
15
12

Chance of Frost

Temperature (°C)

8
9
9
9
10
10
10
11
11
11
11
11
10
10
9
9
9
9
8
8
8
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
93
90
90
87
85
81
83
84
84
85
84
85
85
85
87
88
88
90
88
85
87

Pressure (mb)

1013
1013
1012
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1011
1011
1011
1010
1010
1009
1009
1008
1008

Ozone (du)

392
392
391
391
391
389
388
386
384
381
381
381
380
381
382
381
382
382
382
383
383
383
383
384

Monday 2

Waxing Gibbous 100%

16:53

06:40

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
03 Bad
04 Bad

Sun - Rise: 06:54, Set: 17:55, Transit: 12:25. Moon - Rise: 16:53, Set: 06:40. Civil Dark: 18:29 - 06:21. Nautical Dark: 19:07 - 05:42. Astro Dark: 19:46 - 05:03

Total Clouds (% Sky Obscured)

99
99
98
97
98
96
99
99
99
99
99
99
100
97
95
93
90
88
85
80
72
68
75
82

Low Clouds (% Sky Obscured)

99
97
94
92
84
71
68
63
59
56
49
42
35
33
34
36
27
17
5
21
37
53
62
74

Medium Clouds (% Sky Obscured)

55
64
62
56
62
72
62
63
87
97
98
98
99
87
67
86
87
75
53
60
38
13
20
50

High Clouds (% Sky Obscured)

80
70
53
39
29
41
38
28
32
35
46
43
44
38
37
30
25
20
20
10
20
30
30
35

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

Precipitation Probability (%)

93
95
90
71
68
61
50
34
20
14
8
4
2
2
1
1
0
0
0
1
1
0
0
0

Precipitation Amount (mm)

0.7
0.8
0.7
0.3
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
10
8
7
7
8
9
9
8
7
7
6
5
4
4
3
1
2
3
4
5
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
7
6
6
7
7
8
8
8
9
9
8
7
7
7
6
6
5
5
5
3
2
2

Relative Humidity (%)

90
90
91
88
87
84
82
84
84
88
91
95
93
93
91
93
91
93
93
93
90
80
78
78

Pressure (mb)

1008
1008
1009
1010
1010
1011
1011
1012
1012
1012
1013
1014
1015
1016
1017
1018
1018
1019
1020
1020
1021
1021
1022
1022

Ozone (du)

383
383
385
386
388
389
391
393
392
392
393
394
391
389
388
388
390
390
391
391
391
392
391
390

Tuesday 3

Full Moon 100%

18:13

06:53

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

Sun - Rise: 06:52, Set: 17:57, Transit: 12:24. Moon - Rise: 18:13, Set: 06:53. Civil Dark: 18:30 - 06:19. Nautical Dark: 19:09 - 05:40. Astro Dark: 19:48 - 04:59

Total Clouds (% Sky Obscured)

90
83
77
67
75
86
97
92
87
82
81
82
82
58
39
21
25
29
32
34
37
30
17
11

Low Clouds (% Sky Obscured)

86
75
64
53
67
82
96
88
80
71
72
72
72
47
27
11
19
27
32
34
37
30
17
11

Medium Clouds (% Sky Obscured)

43
31
34
40
28
8
2
12
23
31
31
31
28
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

35
30
30
25
15
8
10
5
10
10
15
15
25
50
23
10
5
3
2
2
2
3
2
1

ISS Passover

Visibility (miles)

9
9
9
9
9
8
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
1
4
8
1
3
5
0
3
7
14
4
4
0
1
1
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)

6
6
6
5
5
6
6
7
7
7
8
7
7
6
7
5
5
5
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
79
82
83
82
81
80
80
80
80
81
84
87
87
88
90
91
91
93
93
93
94
94
94

Pressure (mb)

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

Ozone (du)

390
389
388
388
389
389
388
388
388
391
392
392
394
398
401
404
406
407
409
410
413
416
418
417

Wednesday 4

Waning Gibbous 97%

19:31

07:05

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

Sun - Rise: 06:50, Set: 17:59, Transit: 12:24. Moon - Rise: 19:31, Set: 07:05. Civil Dark: 18:32 - 06:16. Nautical Dark: 19:11 - 05:38. Astro Dark: 19:50 - 04:57

Total Clouds (% Sky Obscured)

10
7
6
6
14
21
25
26
21
22
25
30
39
64
88
100
79
61
52
44
31
24
33
45

Low Clouds (% Sky Obscured)

10
7
6
6
14
21
25
26
21
22
25
30
39
61
73
85
74
61
52
44
31
24
33
39

Medium Clouds (% Sky Obscured)

0
0
0
0
1
2
4
15
21
22
25
25
25
25
24
24
16
10
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
14
21
25
26
21
22
25
30
39
64
69
66
44
24
1
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
1
0
1
1
0
0
0
0
2
4
2
3
6
14
23
24
25
20
13
0
2
5

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

Chance of Frost

Temperature (°C)

4
4
5
5
7
8
9
11
11
12
13
12
11
10
10
10
10
9
8
7
7
6
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
93
91
90
87
84
81
79
77
75
79
81
84
83
81
78
82
88
94
94
94
96
94

Pressure (mb)

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

Ozone (du)

416
414
411
408
406
402
398
395
393
391
389
390
390
390
389
388
388
388
388
389
389
390
390
392

Thursday 5

Waning Gibbous 93%

20:47

07:15

Sun - Rise: 06:47, Set: 18:01, Transit: 12:24. Moon - Rise: 20:47, Set: 07:15. Civil Dark: 18:34 - 06:14. Nautical Dark: 19:12 - 05:36. Astro Dark: 19:51 - 04:54

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: 27/02/26 05:52:35. Forecast: 27/02/26 to 05/03/26. Timezone: UTC+0.00