Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 3

Waning Gibbous 96%

22:05

07:01

16 Bad
17 Bad
18 Bad
19 OK
20 OK
21 OK
22 Bad
23 Bad
00 Bad
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

Sun - Rise: 06:42, Set: 19:54, Transit: 13:19. Moon - Rise: 22:05, Set: 07:01. Civil Dark: 20:29 - 06:07. Nautical Dark: 21:11 - 05:24. Astro Dark: 21:57 - 04:38

Total Clouds (% Sky Obscured)

100
100
98
24
25
25
45
55
52
71
97
98
99
99
97
100
100
100
97
96
100
39
93
98

Low Clouds (% Sky Obscured)

42
29
7
3
25
13
11
0
0
0
21
58
75
98
90
100
64
81
70
88
100
39
93
72

Medium Clouds (% Sky Obscured)

84
49
38
12
2
14
33
40
39
61
94
95
33
31
50
96
94
61
0
0
0
39
10
96

High Clouds (% Sky Obscured)

100
85
59
9
4
6
4
17
13
5
0
1
38
10
14
8
75
63
43
21
96
8
35
48

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
2
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

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

Precipitation Probability (%)

48
6
7
4
2
0
0
0
0
0
0
10
29
26
31
59
42
41
20
22
19
16
39
30

Precipitation Amount (mm)

0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

27
21
21
18
16
16
15
14
13
11
10
7
6
4
5
6
8
12
19
23
24
24
26
29

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

392
390
388
385
383
381
381
381
383
384
384
383
382
381
379
379
380
383
384
382
380
379
377
378

Saturday 4

Waning Gibbous 91%

23:22

07:18

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:39, Set: 19:56, Transit: 13:18. Moon - Rise: 23:22, Set: 07:18. Civil Dark: 20:31 - 06:04. Nautical Dark: 21:13 - 05:22. Astro Dark: 22:00 - 04:35

Total Clouds (% Sky Obscured)

100
100
100
100
100
97
59
79
82
72
82
81
95
82
97
90
64
65
67
59
62
66
100
92

Low Clouds (% Sky Obscured)

100
98
100
93
96
93
59
61
74
59
55
48
61
51
55
71
64
62
59
57
60
56
67
50

Medium Clouds (% Sky Obscured)

96
100
100
100
100
82
15
17
0
6
22
22
41
25
50
33
13
11
1
0
0
33
0
39

High Clouds (% Sky Obscured)

100
100
100
100
22
28
1
1
3
4
1
1
1
0
0
0
0
0
2
2
19
2
100
71

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
6
5
8
9
9
9
6
4
2
7
6
8
9
7

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

Precipitation Probability (%)

29
25
75
92
95
90
42
13
26
17
5
16
12
4
25
55
62
57
39
42
33
32
37
34

Precipitation Amount (mm)

0
0
0.5
0.4
1.1
0.7
0
0
0
0
0
0
0
0
0
0.4
0.5
0.3
0
0.2
0
0
0.2
0

Wind Speed/Direction (mph)

27
28
29
31
32
30
27
23
22
24
21
19
17
18
18
18
19
20
21
20
20
21
23
22

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
85
87
85
85
75
75
81
84
84
75
76
74
71
70
75
81
86
83
75
69
63
64

Pressure (mb)

1004
1003
1002
1000
999
1000
1001
1001
1002
1002
1005
1007
1008
1009
1011
1012
1013
1014
1016
1017
1018
1019
1019
1020

Ozone (du)

378
378
380
384
386
390
398
400
399
401
402
402
400
397
393
392
393
395
394
392
393
396
398
397

Sunday 5

Waning Gibbous 85%

00:37

07:42

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:37, Set: 19:57, Transit: 13:18. Moon - Rise: 00:37, Set: 07:42. Civil Dark: 20:32 - 06:02. Nautical Dark: 21:15 - 05:19. Astro Dark: 22:02 - 04:32

Total Clouds (% Sky Obscured)

88
47
74
53
71
71
71
86
81
82
98
100
100
100
100
96
98
72
98
100
100
94
61
60

Low Clouds (% Sky Obscured)

53
4
32
4
26
22
52
72
51
41
26
28
25
42
1
4
1
1
1
3
2
2
5
5

Medium Clouds (% Sky Obscured)

40
10
31
12
29
21
0
0
0
0
65
65
47
44
34
27
26
20
42
78
46
57
4
6

High Clouds (% Sky Obscured)

62
22
31
41
31
30
50
35
60
63
98
100
100
100
99
67
84
72
68
81
100
65
35
6

ISS Passover

Visibility (miles)

8
8
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

38
38
28
27
23
21
20
19
8
5
5
2
0
1
1
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0.2
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)

21
19
18
17
15
13
11
10
8
7
6
6
6
6
7
7
8
10
14
16
17
16
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
2
1
1
2
2
2
2
2
1
2
1
1
2
2
2
2
4
5
5
5
7
8
9

Dew Point (°C)

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

Relative Humidity (%)

66
70
73
75
78
82
85
86
88
88
88
88
88
89
89
89
88
79
70
67
60
58
63
64

Pressure (mb)

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

Ozone (du)

391
390
389
389
386
382
379
376
373
371
370
366
366
368
369
368
367
367
367
366
367
367
366
365

Monday 6

Waning Gibbous 77%

01:46

08:16

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

Sun - Rise: 06:35, Set: 19:59, Transit: 13:18. Moon - Rise: 01:46, Set: 08:16. Civil Dark: 20:34 - 06:00. Nautical Dark: 21:17 - 05:16. Astro Dark: 22:04 - 04:29

Total Clouds (% Sky Obscured)

74
48
87
84
82
80
80
85
90
14
13
14
32
12
11
14
29
39
84
79
80
81
81
82

Low Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0

Medium Clouds (% Sky Obscured)

3
3
37
60
55
50
45
1
0
0
0
0
0
0
0
0
5
2
40
6
40
45
50
65

High Clouds (% Sky Obscured)

17
21
31
23
19
20
25
25
30
5
5
4
17
5
4
6
8
22
47
41
35
37
48
58

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
5
4
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
1
19
32
33
29

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)

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

Chance of Frost

Temperature (°C)

13
13
12
11
10
9
8
8
8
8
8
8
8
8
8
8
9
12
13
15
15
16
17
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
68
71
74
76
80
82
82
84
84
87
84
85
85
85
84
80
70
65
66
67
72
75
74

Pressure (mb)

1021
1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1017
1017
1016
1016
1015
1015
1014
1013
1013
1012
1012
1011
1011

Ozone (du)

365
366
364
360
357
355
354
354
354
353
356
353
351
351
351
352
353
354
356
357
357
357
360
360

Tuesday 7

Waning Gibbous 69%

02:46

09:02

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:32, Set: 20:01, Transit: 13:18. Moon - Rise: 02:46, Set: 09:02. Civil Dark: 20:36 - 05:57. Nautical Dark: 21:19 - 05:14. Astro Dark: 22:07 - 04:26

Total Clouds (% Sky Obscured)

84
74
91
96
97
99
99
99
99
99
100
100
100
99
100
100
100
100
94
90
91
88
97
96

Low Clouds (% Sky Obscured)

1
1
5
34
43
45
43
30
29
60
81
100
95
91
86
100
100
100
93
86
79
65
56
47

Medium Clouds (% Sky Obscured)

74
20
18
17
18
19
65
37
75
44
60
86
47
49
33
66
59
52
46
41
32
42
48
67

High Clouds (% Sky Obscured)

62
48
65
70
67
75
58
32
15
12
7
14
9
17
13
74
74
65
35
25
15
15
20
25

ISS Passover

Visibility (miles)

6
9
9
9
9
9
9
9
9
9
5
3
6
9
6
5
4
4
3
3
3
3
2
1

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 (%)

18
11
4
21
25
17
6
3
2
11
14
9
18
14
15
18
16
11
20
17
9
11
12
13

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
11
8
6
5
3
3
3
2
2
1
1
3
1
1
3
2
2
3
3
4
5
5
5

Chance of Frost

Temperature (°C)

18
18
17
16
15
14
13
13
12
11
12
12
12
12
11
11
11
11
11
12
13
14
13
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
77
78
81
84
92
93
93
93
93
98
98
98
98
98
98
98
96
95
92
87
83
87
92

Pressure (mb)

1011
1011
1011
1012
1013
1014
1014
1014
1014
1015
1015
1016
1016
1016
1017
1017
1018
1019
1019
1019
1020
1020
1020
1020

Ozone (du)

356
358
361
360
361
360
360
360
360
360
360
360
361
362
365
367
368
370
371
372
374
375
378
381

Wednesday 8

Waning Gibbous 59%

03:32

10:02

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
09 Bad
10 OK
11 OK
12 Good
13 Good
14 Good
15 Good

Sun - Rise: 06:30, Set: 20:03, Transit: 13:17. Moon - Rise: 03:32, Set: 10:02. Civil Dark: 20:38 - 05:55. Nautical Dark: 21:21 - 05:11. Astro Dark: 22:10 - 04:22

Total Clouds (% Sky Obscured)

97
97
97
97
97
86
88
90
92
87
81
76
79
83
87
71
54
37
25
14
4
4
5
5

Low Clouds (% Sky Obscured)

55
56
60
63
77
75
74
74
74
69
61
54
61
74
86
70
54
37
25
14
4
4
5
4

Medium Clouds (% Sky Obscured)

49
27
4
5
5
5
23
46
74
61
39
17
21
25
32
21
12
0
1
2
4
4
3
0

High Clouds (% Sky Obscured)

33
33
30
39
42
45
59
76
92
87
81
76
64
34
5
9
12
16
25
14
4
4
5
5

ISS Passover

Visibility (miles)

0
0
0
0
2
5
7
8
8
9
9
8
7
7
8
8
8
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 (%)

17
17
20
16
13
14
13
9
1
13
28
45
46
40
30
26
24
27
21
14
7
5
2
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
4
4
4
4
4
4
5
5
6
6
7
7
6
9
13
12
11
11
10
10
9
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
96
96
96
95
95
93
93
95
95
95
91
91
88
84
81
78
77
74
72
71

Pressure (mb)

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

Ozone (du)

385
385
386
387
384
381
379
380
381
382
383
384
385
389
393
398
404
410
416
419
422
426
419
412

Thursday 9

Waning Gibbous 49%

04:06

11:13

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

Sun - Rise: 06:28, Set: 20:04, Transit: 13:17. Moon - Rise: 04:06, Set: 11:13. Civil Dark: 20:40 - 05:52. Nautical Dark: 21:24 - 05:08. Astro Dark: 22:12 - 04:19

Total Clouds (% Sky Obscured)

37
68
100
100
100
100
100
100
100
99
100
100
99
95
92
94
97
100
99
98
96

Low Clouds (% Sky Obscured)

4
4
4
4
4
4
4
4
4
14
22
25
29
33
39
57
75
91
82
73
64

Medium Clouds (% Sky Obscured)

1
1
2
14
26
41
40
35
33
21
10
3
10
18
25
49
72
97
92
90
88

High Clouds (% Sky Obscured)

37
68
100
100
100
100
97
94
91
94
97
100
81
59
39
37
36
25
34
42
52

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

Fog (%)

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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
10
25
33
56
63

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3

Wind Speed/Direction (mph)

6
4
2
1
2
4
5
6
6
7
8
9
9
11
13
15
17
18
19
16
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
73
74
78
81
85
88
88
88
87
87
85
85
88
88
90
84
78
72
69
67

Pressure (mb)

1023
1023
1023
1023
1022
1022
1022
1021
1021
1020
1020
1019
1018
1017
1017
1016
1016
1015
1015
1015
1015

Ozone (du)

405
396
388
379
374
370
366
364
361
359
358
356
355
355
356
356
356
356
357
357
358

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

Generated: 03/04/26 16:01:35. Forecast: 03/04/26 to 09/04/26. Timezone: UTC+1.00