Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 25

First Quarter 50%

09:04

02:41

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: 06:05, Set: 18:38, Transit: 12:22. Moon - Rise: 09:04, Set: 02:41. Civil Dark: 19:12 - 05:31. Nautical Dark: 19:53 - 04:50. Astro Dark: 20:37 - 04:07

Total Clouds (% Sky Obscured)

100
100
100
100
92
88
85
88
83
84
89
89
86
83
89
89
79
82
78
56
56
73
68
51

Low Clouds (% Sky Obscured)

81
82
69
67
58
59
55
57
43
39
47
46
43
39
48
54
29
49
47
48
40
43
41
46

Medium Clouds (% Sky Obscured)

94
87
91
100
82
77
78
77
73
18
40
69
71
59
76
72
70
55
49
1
1
23
12
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
1
19
6
1

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
91
95
95
85
70
73
76
72
71
72
70
74
70
66
61
56
44
39
34
33
37
46
34

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

21
21
23
27
31
29
28
28
28
29
29
28
28
26
25
24
24
23
21
20
20
19
21
22

Chance of Frost

Temperature (°C)

6
6
5
4
4
4
5
4
5
5
6
6
6
6
6
6
6
6
5
5
5
5
5
6

Feels Like (°C)

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

Dew Point (°C)

4
4
4
4
4
3
1
0
1
1
1
1
1
2
2
2
2
2
1
1
2
2
2
3

Relative Humidity (%)

87
88
91
98
98
88
76
75
73
71
71
70
70
71
71
72
74
75
75
75
78
79
80
80

Pressure (mb)

1004
1005
1006
1007
1008
1009
1010
1012
1013
1013
1014
1015
1015
1016
1016
1017
1017
1018
1019
1019
1020
1020
1021
1021

Ozone (du)

409
412
415
412
410
407
409
414
417
419
417
414
408
406
400
389
378
371
364
356
346
342
339
337

Thursday 26

Waxing Gibbous 61%

10:19

03:35

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: 06:03, Set: 18:40, Transit: 12:21. Moon - Rise: 10:19, Set: 03:35. Civil Dark: 19:14 - 05:28. Nautical Dark: 19:55 - 04:47. Astro Dark: 20:39 - 04:04

Total Clouds (% Sky Obscured)

55
86
77
82
94
76
69
77
78
86
87
67
82
96
92
97
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

48
45
49
49
81
42
46
62
64
64
63
54
64
74
80
80
79
100
100
100
100
95
100
96

Medium Clouds (% Sky Obscured)

0
25
20
58
29
27
31
51
43
56
39
41
36
49
44
48
51
100
100
92
95
77
89
96

High Clouds (% Sky Obscured)

1
0
1
1
0
2
2
2
2
14
47
14
5
33
17
67
87
100
100
100
88
83
96
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
2
2
1
0
0

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

Precipitation Probability (%)

31
29
27
38
41
31
24
17
17
15
6
0
0
2
4
17
41
55
66
89
86
47
62
59

Precipitation Amount (mm)

0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.9
1.2
0
0.5
0.4

Wind Speed/Direction (mph)

22
22
21
20
20
18
16
15
14
13
12
11
10
10
10
10
11
12
11
10
10
10
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
3
2
3
3
3
3
3
3
3
3
3
3
3
3
3
4
5
6
6
6
7
9
9

Relative Humidity (%)

80
80
79
79
80
80
82
82
76
75
74
73
70
70
70
73
79
87
94
96
96
98
100
100

Pressure (mb)

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

Ozone (du)

335
332
330
324
319
315
314
312
310
310
309
310
312
311
309
310
311
312
312
312
314
314
312
313

Friday 27

Waxing Gibbous 72%

11:44

04:12

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 OK
23 OK
00 OK

Sun - Rise: 06:00, Set: 18:42, Transit: 12:21. Moon - Rise: 11:44, Set: 04:12. Civil Dark: 19:16 - 05:26. Nautical Dark: 19:57 - 04:45. Astro Dark: 20:41 - 04:01

Total Clouds (% Sky Obscured)

100
100
100
99
98
99
100
100
100
100
100
98
100
100
98
97
95
96
97
96
88
14
12
17

Low Clouds (% Sky Obscured)

89
94
87
92
92
97
99
99
100
99
98
90
100
100
63
53
26
37
48
56
58
14
12
17

Medium Clouds (% Sky Obscured)

95
92
84
97
77
91
62
58
57
82
52
82
50
41
55
65
64
69
66
11
16
14
12
17

High Clouds (% Sky Obscured)

100
100
100
50
61
60
52
7
0
1
3
5
5
35
50
35
25
18
3
0
0
0
0
17

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

35
32
47
63
78
92
91
91
95
95
83
58
50
36
7
3
14
15
12
24
14
20
29
29

Precipitation Amount (mm)

0
0
0
0.3
0.4
0.8
0.8
0.7
0.9
1.1
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
11
11
12
12
13
13
14
13
12
10
9
7
9
9
12
11
8
6
5
5
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
98
100
100
100
100
100
100
100
100
100
96
90
90
90
85
84
84
81
84
82
82
81
75

Pressure (mb)

1020
1020
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1020
1020
1021
1021
1021
1022
1022
1022

Ozone (du)

314
314
315
314
314
314
315
314
313
313
314
317
318
319
320
321
321
323
326
332
338
342
346
352

Saturday 28

Waxing Gibbous 82%

13:11

04:36

01 OK
02 OK
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: 05:58, Set: 18:44, Transit: 12:21. Moon - Rise: 13:11, Set: 04:36. Civil Dark: 19:18 - 05:24. Nautical Dark: 19:59 - 04:42. Astro Dark: 20:43 - 03:58

Total Clouds (% Sky Obscured)

19
20
99
98
98
27
79
88
87
76
29
52
57
70
46
93
85
79
67
83
84
85
90
94

Low Clouds (% Sky Obscured)

19
20
50
61
70
27
64
68
58
50
29
37
40
46
40
51
50
42
32
36
23
21
23
28

Medium Clouds (% Sky Obscured)

19
20
92
86
78
27
47
48
46
35
23
32
36
40
24
12
0
0
0
0
0
0
6
23

High Clouds (% Sky Obscured)

19
20
27
13
0
0
0
0
0
0
0
0
0
0
0
0
2
0
5
7
60
60
65
66

ISS Passover

Visibility (miles)

9
9
5
7
5
4
6
7
9
8
8
7
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
None
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

28
34
41
35
36
44
62
77
65
60
60
49
58
62
44
33
25
16
16
4
12
13
3
8

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.4
0.7
0.4
0.3
0.4
0
0.3
0.4
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
9
11
12
14
15
16
17
17
19
20
21
21
20
20
19
17
17
14
12
11
10
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
3
4
3
2
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
4

Relative Humidity (%)

76
76
81
88
82
76
76
75
75
74
70
68
68
66
65
66
73
74
76
81
82
82
82
85

Pressure (mb)

1022
1022
1022
1022
1023
1023
1024
1025
1025
1026
1027
1028
1028
1028
1029
1030
1030
1031
1032
1033
1033
1034
1034
1034

Ozone (du)

360
365
378
388
397
402
404
406
410
411
412
408
406
404
401
398
394
393
392
391
390
387
386
386

Sunday 29

Waxing Gibbous 90%

15:36

05:53

00 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: 06:56, Set: 19:45, Transit: 13:20. Moon - Rise: 15:36, Set: 05:53. Civil Dark: 20:20 - 06:21. Nautical Dark: 21:01 - 05:40. Astro Dark: 21:45 - 04:55

Total Clouds (% Sky Obscured)

94
96
97
97
99
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
97
96
97
98

Low Clouds (% Sky Obscured)

28
35
41
35
28
20
40
56
80
87
93
100
100
99
99
99
100
100
95
89
82
84
85
88

Medium Clouds (% Sky Obscured)

23
7
9
18
54
56
96
62
56
72
65
63
72
77
86
89
93
100
79
60
38
30
24
16

High Clouds (% Sky Obscured)

66
63
61
65
77
100
100
100
100
100
100
100
100
100
100
92
83
75
60
50
45
15
5
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
2
2
1
0
0
1
1
1
0

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

Precipitation Probability (%)

8
10
9
2
2
0
5
12
18
57
75
89
95
95
95
95
95
92
65
45
31
26
22
19

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0.4
0.6
1.4
2
1.9
1.1
1.1
0.6
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
8
9
10
11
13
15
18
21
22
24
24
25
26
26
25
24
23
22
22
22
21
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
86
88
88
86
85
85
84
84
84
84
87
90
93
95
96
96
98
98
98
98
98
98

Pressure (mb)

1034
1034
1034
1034
1033
1033
1033
1032
1032
1031
1030
1029
1029
1028
1027
1026
1026
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

386
384
382
380
376
373
372
367
363
359
358
354
350
346
343
339
337
336
334
332
329
327
326
326

Monday 30

Waxing Gibbous 95%

16:57

06:06

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: 06:53, Set: 19:47, Transit: 13:20. Moon - Rise: 16:57, Set: 06:06. Civil Dark: 20:21 - 06:19. Nautical Dark: 21:03 - 05:37. Astro Dark: 21:48 - 04:53

Total Clouds (% Sky Obscured)

97
98
99
100
100
99
98
93
84
72
70
73
74
79
84
89
94
98
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

87
86
85
82
78
76
73
70
65
64
66
67
74
78
84
88
94
98
98
97
96
94
94
90

Medium Clouds (% Sky Obscured)

13
10
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

5
10
5
5
9
8
13
9
5
3
2
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
3
6
9
9
9
9
9
9
9
9
9
9
6
3
0
3
5

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

Precipitation Probability (%)

18
20
22
30
40
51
45
39
33
30
26
22
22
23
22
22
21
18
23
27
30
25
19
12

Precipitation Amount (mm)

0
0
0
0
0
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
21
20
19
18
17
16
19
20
22
21
20
20
19
18
18
16
15
14
15
15
16
15
15

Chance of Frost

Temperature (°C)

10
10
10
10
9
9
9
9
9
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

10
10
10
9
9
9
9
9
8
8
9
9
9
9
9
9
9
9
9
10
9
10
9
9

Relative Humidity (%)

98
98
98
98
98
100
100
96
93
91
93
93
95
95
93
91
93
93
95
96
96
98
96
96

Pressure (mb)

1025
1025
1025
1025
1026
1026
1026
1027
1027
1028
1028
1029
1029
1029
1029
1029
1030
1030
1030
1030
1031
1031
1031
1032

Ozone (du)

325
325
324
323
320
316
313
313
312
312
311
309
308
308
308
308
308
307
307
308
309
309
309
309

Tuesday 31

Waxing Gibbous 99%

18:15

06:16

Sun - Rise: 06:51, Set: 19:49, Transit: 13:20. Moon - Rise: 18:15, Set: 06:16. Civil Dark: 20:23 - 06:16. Nautical Dark: 21:05 - 05:35. Astro Dark: 21:50 - 04:50

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 Aberystwyth, Ceredigion, United Kingdom (52.42,-4.08)

Generated: 25/03/26 01:04:13. Forecast: 25/03/26 to 31/03/26. Timezone: UTC+0.00