Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waning Gibbous 93%

22:16

07:05

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

Sun - Rise: 06:20, Set: 18:22, Transit: 12:21. Moon - Rise: 22:16, Set: 07:05. Civil Dark: 18:55 - 05:47. Nautical Dark: 19:34 - 05:08. Astro Dark: 20:14 - 04:27

Total Clouds (% Sky Obscured)

88
90
85
80
82
89
82
69
58
59
50
41
44
41
50
47
42
59
38
40
8
2
43
41

Low Clouds (% Sky Obscured)

73
80
72
78
79
87
81
67
58
58
45
36
40
38
48
44
42
59
38
40
7
0
43
40

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)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
3
3
0
4
14

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
3
1
0
0
0
0
0
1
0
0
0
0
0
0
2
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)

8
9
10
12
12
13
15
15
17
17
16
15
14
13
12
12
11
11
17
16
16
16
14
14

Chance of Frost

Temperature (°C)

5
5
5
5
4
4
4
4
5
6
7
8
8
9
9
9
9
7
6
6
5
4
3
3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
86
86
88
88
89
88
83
75
70
68
65
63
63
65
69
75
82
80
80
85
86
88

Pressure (mb)

1028
1028
1028
1028
1028
1028
1028
1029
1029
1029
1028
1028
1028
1027
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

318
318
316
317
317
317
317
314
313
312
310
309
309
308
309
308
306
304
303
301
300
298
297
297

Tuesday 18

Waning Gibbous 87%

23:30

07:18

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

Sun - Rise: 06:18, Set: 18:23, Transit: 12:20. Moon - Rise: 23:30, Set: 07:18. Civil Dark: 18:56 - 05:45. Nautical Dark: 19:35 - 05:05. Astro Dark: 20:16 - 04:25

Total Clouds (% Sky Obscured)

51
38
5
0
0
0
0
0
0
0
0
0
0
0
0
0
17
66
0
18
95
86
90
61

Low Clouds (% Sky Obscured)

51
38
5
0
0
0
0
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
0
0
0
10
39
0
12
50
44
50
32

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
85
52
81
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
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
14
14
14
14
14
14
17
18
18
17
17
16
16
15
14
11
9
9
11
12
11
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-1
-1
-2
-3
-3
-2
-1
-1
0
2
3
4
5
5
6
5
5
4
3
1
0
0
-0

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
86
88
86
84
80
72
65
59
56
54
54
55
61
64
71
79
80
79
76
77
79

Pressure (mb)

1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1023
1022
1022
1021
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021

Ozone (du)

296
296
296
294
293
293
292
291
291
290
291
295
296
300
304
306
308
309
306
300
293
291
290
289

Wednesday 19

Waning Gibbous 80%

00:44

07:36

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

Sun - Rise: 06:15, Set: 18:25, Transit: 12:20. Moon - Rise: 00:44, Set: 07:36. Civil Dark: 18:58 - 05:42. Nautical Dark: 19:37 - 05:03. Astro Dark: 20:18 - 04:22

Total Clouds (% Sky Obscured)

5
14
20
20
7
4
29
49
64
70
66
68
65
69
78
78
57
70
75
75
72
70
67
69

Low Clouds (% Sky Obscured)

0
0
0
0
0
3
12
8
10
21
40
44
11
16
30
38
1
7
0
0
6
20
32
27

Medium Clouds (% Sky Obscured)

2
0
17
20
7
0
10
26
31
30
28
24
37
38
39
37
33
41
75
75
58
70
64
61

High Clouds (% Sky Obscured)

0
14
15
15
3
0
2
0
1
1
2
1
2
1
6
11
20
16
9
2
3
4
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
1
0
0
0
0
2
1
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)

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

Chance of Frost

Temperature (°C)

3
2
2
2
2
2
2
4
6
8
9
10
12
13
13
13
12
10
9
8
8
7
7
7

Feels Like (°C)

1
-0
-2
-2
-2
-2
-1
1
3
5
6
8
10
12
12
12
12
10
7
7
6
5
5
4

Dew Point (°C)

0
-0
-0
-1
-1
-1
-1
1
2
3
4
6
7
7
8
8
9
8
7
7
6
6
6
6

Relative Humidity (%)

83
83
85
83
84
86
84
79
75
73
74
73
71
70
70
70
77
87
90
91
91
91
91
93

Pressure (mb)

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

Ozone (du)

289
291
294
298
303
303
303
303
303
304
305
305
304
303
307
307
309
312
313
315
317
322
326
331

Thursday 20

Waning Gibbous 72%

No Rise

08:00

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 OK
20 Bad
21 Bad
22 OK
23 OK
00 OK

Sun - Rise: 06:13, Set: 18:27, Transit: 12:20. Moon - Rise: No Rise, Set: 08:00. Civil Dark: 19:00 - 05:40. Nautical Dark: 19:39 - 05:01. Astro Dark: 20:20 - 04:20

Total Clouds (% Sky Obscured)

69
68
75
78
60
55
66
62
52
67
67
74
82
48
70
67
57
53
37
47
44
35
33
36

Low Clouds (% Sky Obscured)

23
21
24
24
13
10
14
11
18
30
37
35
36
28
19
9
0
1
2
2
0
0
0
5

Medium Clouds (% Sky Obscured)

62
63
66
67
52
49
58
53
29
23
20
24
30
35
25
15
6
6
7
7
6
7
5
3

High Clouds (% Sky Obscured)

2
1
2
0
2
0
0
0
0
0
0
0
0
0
20
20
20
10
13
30
30
33
33
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 (%)

0
0
1
1
0
0
0
0
0
0
0
0
2
1
0
2
3
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)

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

Chance of Frost

Temperature (°C)

6
6
6
6
6
6
6
8
9
11
11
12
13
14
15
14
13
12
11
10
9
9
9
8

Feels Like (°C)

3
4
3
3
3
4
5
5
7
8
8
9
10
10
12
11
11
9
8
8
6
6
6
5

Dew Point (°C)

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

Relative Humidity (%)

90
91
90
90
90
91
91
85
80
76
77
75
72
70
67
69
77
83
85
88
88
88
90
91

Pressure (mb)

1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1017
1016
1015
1015
1014
1014
1014
1014
1013
1013
1013
1012
1012

Ozone (du)

332
334
337
339
341
342
342
343
344
344
344
344
345
346
342
339
338
338
339
338
338
337
335
336

Friday 21

Waning Gibbous 62%

01:54

08:34

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: 06:11, Set: 18:28, Transit: 12:20. Moon - Rise: 01:54, Set: 08:34. Civil Dark: 19:01 - 05:38. Nautical Dark: 19:41 - 04:58. Astro Dark: 20:22 - 04:17

Total Clouds (% Sky Obscured)

42
41
58
79
100
75
44
16
19
25
32
65
87
100
99
98
98
96
95
92
90
90
91
90

Low Clouds (% Sky Obscured)

10
15
18
20
23
19
15
11
15
19
23
43
59
76
77
77
77
72
67
62
68
72
75
77

Medium Clouds (% Sky Obscured)

36
40
5
6
40
40
40
16
19
25
32
58
73
85
74
59
40
26
12
0
3
5
5
6

High Clouds (% Sky Obscured)

30
25
43
70
100
70
43
15
19
16
7
39
71
100
67
33
0
1
3
5
4
2
1
1

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
2
10
5
8
22
42
57
56
56
55
64
60
54
48
40
14
18
19
11
11
12
8
11

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
9
9
10
11
11
12
13
13
14
14
14
13
12
11
11
11
12
12
11
12
10
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
90
85
85
84
87
90
91
90
93
93
93
93
95
95
95
93
95
95
95
96
95
95

Pressure (mb)

1011
1010
1010
1009
1009
1008
1008
1008
1008
1007
1007
1006
1006
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005

Ozone (du)

336
334
331
330
330
329
328
330
331
333
334
333
333
334
335
334
334
333
332
332
331
330
329
328

Saturday 22

Third Quarter 52%

02:57

09:22

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: 06:09, Set: 18:30, Transit: 12:19. Moon - Rise: 02:57, Set: 09:22. Civil Dark: 19:03 - 05:35. Nautical Dark: 19:43 - 04:56. Astro Dark: 20:24 - 04:14

Total Clouds (% Sky Obscured)

89
88
93
98
99
93
87
81
70
61
51
54
58
61
62
67
75
76
77
80
83
89
93
97

Low Clouds (% Sky Obscured)

80
84
88
91
95
89
84
78
69
60
51
51
48
46
44
41
39
26
13
0
31
61
92
82

Medium Clouds (% Sky Obscured)

6
3
5
5
6
5
4
3
3
1
0
8
18
25
26
27
28
23
24
25
29
30
35
39

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
13
26
37
38
38
42
56
74
86
91

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
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

10
7
7
8
10
11
13
16
16
15
13
20
23
25
26
25
17
22
21
13
35
45
53
69

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.4

Wind Speed/Direction (mph)

9
9
9
9
8
7
7
7
8
8
9
10
9
9
9
9
8
8
8
8
8
8
7
7

Chance of Frost

Temperature (°C)

8
8
8
8
8
8
8
9
9
10
11
12
13
13
14
13
12
11
11
9
8
8
7
6

Feels Like (°C)

6
6
7
7
7
7
6
6
7
7
7
8
12
12
12
12
12
12
10
9
9
8
7
6

Dew Point (°C)

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

Relative Humidity (%)

95
93
93
95
94
94
93
90
88
84
81
79
77
74
70
75
80
84
87
88
91
93
93
93

Pressure (mb)

1005
1005
1005
1005
1005
1005
1006
1006
1007
1007
1007
1007
1006
1006
1005
1005
1005
1005
1005
1005
1006
1005
1005
1005

Ozone (du)

325
321
318
316
313
311
309
306
304
302
301
299
300
302
304
307
310
314
317
320
323
323
324
324

Sunday 23

Waning Crescent 42%

03:47

10:26

Sun - Rise: 06:06, Set: 18:32, Transit: 12:19. Moon - Rise: 03:47, Set: 10:26. Civil Dark: 19:05 - 05:33. Nautical Dark: 19:45 - 04:53. Astro Dark: 20:26 - 04:12

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: 17/03/25 01:33:35. Forecast: 17/03/25 to 23/03/25. Timezone: UTC+0.00