Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 8

Waning Gibbous 59%

03:32

09:02

09 Good
10 Good
11 OK
12 Good
13 Good
14 Good
15 Good
16 Good
17 OK
18 Bad
19 Bad
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

Sun - Rise: 06:30, Set: 20:03, Transit: 13:18. Moon - Rise: 03:32, Set: 09:02. Civil Dark: 20:38 - 05:55. Nautical Dark: 21:21 - 05:11. Astro Dark: 22:10 - 04:22

Total Clouds (% Sky Obscured)

10
6
30
7
7
4
5
5
9
41
52
100
100
83
100
100
100
100
100
100
100
100
100
97

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
8
26
55
72
67
70
73
82
69
64
26
65
94

Medium Clouds (% Sky Obscured)

0
0
0
0
3
0
0
0
0
0
0
0
0
0
0
0
0
0
40
90
73
24
76
27

High Clouds (% Sky Obscured)

3
3
3
3
0
0
0
0
2
29
37
100
100
55
100
100
100
100
100
100
96
100
100
35

ISS Passover

Visibility (miles)

9
9
9
9
4
3
3
3
3
3
3
3
3
3
3
3
4
4
9
9
9
9
9
9

Fog (%)

0
0
0
0
16
39
54
41
26
31
53
63
84
88
100
100
100
83
44
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
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
4
31

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)

2
2
2
2
4
5
6
3
4
4
3
3
2
2
2
2
2
3
4
4
4
5
8
10

Chance of Frost

Temperature (°C)

10
11
13
14
15
16
15
15
14
13
12
11
11
10
10
10
10
9
9
9
8
8
7
8

Feels Like (°C)

11
12
14
15
16
17
15
15
15
14
12
10
10
9
9
8
8
8
7
8
6
5
4
4

Dew Point (°C)

8
8
9
11
12
12
12
12
12
11
11
10
10
10
9
9
9
9
9
8
7
7
6
6

Relative Humidity (%)

87
81
79
79
78
77
79
82
84
84
92
95
95
96
95
96
98
98
96
95
93
91
88
87

Pressure (mb)

1023
1023
1024
1024
1023
1023
1023
1023
1023
1023
1023
1022
1023
1023
1022
1022
1022
1021
1021
1020
1019
1019
1019
1019

Ozone (du)

348
350
352
357
363
365
361
361
359
355
355
354
356
359
361
362
364
366
368
370
373
373
373
375

Thursday 9

Waning Gibbous 49%

04:06

10:02

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
18 OK
19 Bad
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

Sun - Rise: 06:28, Set: 20:04, Transit: 13:17. Moon - Rise: 04:06, Set: 10:02. Civil Dark: 20:40 - 05:52. Nautical Dark: 21:24 - 05:08. Astro Dark: 22:12 - 04:19

Total Clouds (% Sky Obscured)

100
100
100
98
68
84
73
29
22
28
49
48
62
75
77
94
95
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

80
100
100
70
30
39
26
10
22
28
44
6
35
33
34
43
53
54
46
44
36
28
4
28

Medium Clouds (% Sky Obscured)

40
45
84
90
31
35
25
0
0
0
1
2
15
25
25
27
84
99
100
83
100
100
100
100

High Clouds (% Sky Obscured)

100
25
5
33
40
15
0
0
0
0
26
36
48
53
57
85
77
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
0
7
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

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

Precipitation Probability (%)

65
60
95
91
47
45
41
27
7
14
12
16
5
12
17
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.4
0.2
0.8
0.6
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
12
15
19
18
20
20
20
20
19
17
16
16
16
16
14
11
9
7
5
2
3
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
98
96
87
87
85
76
73
67
70
70
73
75
77
76
75
75
75
74
72
72
72
76
76

Pressure (mb)

1018
1018
1019
1019
1019
1020
1020
1020
1021
1021
1021
1022
1023
1023
1023
1024
1024
1023
1023
1022
1022
1021
1021
1021

Ozone (du)

374
375
375
376
378
383
394
402
394
395
390
387
379
374
369
365
362
361
359
356
354
355
357
356

Friday 10

Third Quarter 39%

04:30

11:13

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
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:26, Set: 20:06, Transit: 13:17. Moon - Rise: 04:30, Set: 11:13. Civil Dark: 20:42 - 05:50. Nautical Dark: 21:26 - 05:06. Astro Dark: 22:15 - 04:16

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
98
98
99
98
100
100
100
100
99
99
96
95
94
89
87
81

Low Clouds (% Sky Obscured)

5
5
48
76
60
59
35
20
20
17
20
20
77
87
100
57
61
64
59
43
48
35
26
33

Medium Clouds (% Sky Obscured)

100
100
100
99
93
91
100
72
88
70
89
68
56
84
100
35
87
14
0
0
0
0
5
11

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
56
60
4
55
55
43
0
1
0
1
10
10
5
5
5
9

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
4
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
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
6
28
14
25
44
50
31
17
4
8
27
74
95
95
88
48
26
24
24
17
21
28

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0
0
0
0
0
0.3
0.9
1
0.6
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
7
12
16
16
16
18
17
19
20
22
25
25
26
26
24
19
18
18
18
18
18
17
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
65
63
64
68
70
75
81
87
85
78
71
70
70
78
88
95
87
81
84
85
83
79
78

Pressure (mb)

1020
1019
1018
1018
1016
1014
1013
1011
1009
1008
1006
1005
1004
1002
1001
1000
1000
1000
1000
1001
1001
1000
1000
1001

Ozone (du)

355
356
357
356
355
354
356
356
357
357
358
359
360
362
365
368
369
372
375
378
378
380
384
387

Saturday 11

Waning Crescent 38%

04:48

12:30

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
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:23, Set: 20:08, Transit: 13:17. Moon - Rise: 04:48, Set: 12:30. Civil Dark: 20:44 - 05:48. Nautical Dark: 21:28 - 05:03. Astro Dark: 22:17 - 04:13

Total Clouds (% Sky Obscured)

92
81
92
100
98
81
16
77
87
31
78
43
92
31
96
100
98
97
95
96
96
54
62
26

Low Clouds (% Sky Obscured)

58
55
59
63
37
44
16
48
47
31
49
37
45
31
43
58
66
64
65
69
71
54
60
26

Medium Clouds (% Sky Obscured)

21
30
39
95
87
67
16
32
37
19
14
8
34
22
80
100
91
84
76
51
38
15
11
2

High Clouds (% Sky Obscured)

19
1
0
0
0
0
0
0
0
0
0
0
0
17
37
100
52
32
16
12
52
3
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

46
57
56
56
55
51
50
44
43
44
39
26
21
21
23
20
34
54
76
65
61
60
49
42

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

19
20
20
19
18
20
21
21
21
21
21
20
20
21
21
21
22
21
20
18
17
16
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
79
88
81
71
69
68
70
77
82
84
84
85
84
82
78
76
79
87
96
91
90
88
84

Pressure (mb)

1000
1000
1001
1002
1003
1003
1003
1002
1002
1002
1002
1002
1002
1003
1002
1002
1002
1002
1002
1002
1003
1004
1004
1006

Ozone (du)

390
393
395
401
409
417
426
440
445
448
454
468
476
489
494
495
494
493
488
489
491
492
495
493

Sunday 12

Waning Crescent 30%

05:02

13:49

09 Bad
10 Bad
11 OK
12 OK
13 OK
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
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:21, Set: 20:10, Transit: 13:16. Moon - Rise: 05:02, Set: 13:49. Civil Dark: 20:45 - 05:45. Nautical Dark: 21:30 - 05:00. Astro Dark: 22:20 - 04:10

Total Clouds (% Sky Obscured)

55
27
17
13
12
13
20
17
23
75
79
80
84
88
93
97
98
99
100
82
63
45
34
23

Low Clouds (% Sky Obscured)

52
27
17
13
12
13
20
17
23
21
54
59
61
59
59
59
69
77
87
80
63
45
34
23

Medium Clouds (% Sky Obscured)

4
3
0
0
6
13
20
17
12
30
71
76
81
85
89
93
95
98
100
80
60
43
33
23

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
4
9
11
18
33
54
64
70
75
65
60
45
34
23

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

33
29
28
25
30
37
39
33
36
43
40
39
52
46
41
55
65
73
82
89
94
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.2
0
0.4
0.4
0.4
0.4
0.6
0.7
0.6
0.7
0.8

Wind Speed/Direction (mph)

18
19
19
19
18
18
18
18
18
17
16
17
15
14
13
11
11
11
11
12
11
10
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
78
77
76
73
72
72
72
72
76
82
84
87
90
90
90
91
91
91
91
93
91
93
88

Pressure (mb)

1007
1008
1009
1009
1010
1010
1011
1011
1011
1012
1012
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1011
1011

Ozone (du)

489
488
481
480
478
476
472
468
466
463
462
462
462
462
461
460
459
458
457
455
455
454
453
445

Monday 13

Waning Crescent 20%

05:14

15:10

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 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
08 OK

Sun - Rise: 06:19, Set: 20:11, Transit: 13:16. Moon - Rise: 05:14, Set: 15:10. Civil Dark: 20:47 - 05:43. Nautical Dark: 21:32 - 04:58. Astro Dark: 22:23 - 04:06

Total Clouds (% Sky Obscured)

25
26
27
28
48
69
89
91
94
93
89
87
82
57
31
5
3
2
0
4
7
11
26
41

Low Clouds (% Sky Obscured)

25
26
27
28
48
65
85
91
92
93
88
80
71
56
31
5
3
2
0
4
7
11
26
41

Medium Clouds (% Sky Obscured)

25
26
27
28
46
35
24
34
45
65
56
49
38
25
13
0
1
2
0
2
1
0
14
28

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
2
2
3
26
41

ISS Passover

Visibility (miles)

9
9
9
9
9
7
4
2
2
2
3
4
6
8
8
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
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

Precipitation Probability (%)

95
95
94
66
79
89
95
95
95
95
95
82
62
50
38
23
20
16
12
9
7
8
6
5

Precipitation Amount (mm)

0.8
0.6
0.5
0
0.3
0.6
0.6
0.9
1.2
1.4
0.9
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
5
5
6
7
7
7
7
7
7
7
6
6
6
6
6
5
5
5
5
5
5

Relative Humidity (%)

84
79
75
74
71
78
87
93
95
95
95
93
93
90
91
91
90
90
88
88
88
90
91
87

Pressure (mb)

1011
1010
1010
1010
1009
1009
1010
1010
1010
1010
1010
1011
1012
1012
1013
1013
1014
1015
1015
1016
1016
1017
1017
1018

Ozone (du)

438
430
426
422
418
416
414
412
409
407
404
405
405
405
404
402
400
396
392
388
385
382
379
374

Tuesday 14

Waning Crescent 12%

05:25

16:32

09 Bad
10 OK
11 OK
12 Good
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:17, Set: 20:13, Transit: 13:16. Moon - Rise: 05:25, Set: 16:32. Civil Dark: 20:49 - 05:40. Nautical Dark: 21:34 - 04:55. Astro Dark: 22:25 - 04:03

Total Clouds (% Sky Obscured)

57
40
27
15
25
26
27
26
39
44
49
50
50
57
54
51

Low Clouds (% Sky Obscured)

57
40
27
15
24
19
14
9
5
0
0
0
0
7
14
21

Medium Clouds (% Sky Obscured)

47
40
27
15
25
26
27
26
25
24
26
28
39
44
53
51

High Clouds (% Sky Obscured)

57
40
27
15
25
26
27
26
39
44
49
32
12
13
14
15

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

6
3
1
0
2
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
4
4
4
4
8
8
8
8
8
8
9
10
10
10
10

Dew Point (°C)

6
6
5
5
5
5
6
6
6
6
6
6
5
5
5
5

Relative Humidity (%)

84
80
77
73
72
72
73
73
76
78
80
81
81
84
84
85

Pressure (mb)

1019
1019
1020
1020
1021
1021
1021
1021
1022
1022
1022
1023
1023
1024
1024
1024

Ozone (du)

370
365
363
361
359
358
356
355
354
354
353
352
351
350
349
349

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

Generated: 08/04/26 09:24:48. Forecast: 08/04/26 to 14/04/26. Timezone: UTC+1.00