Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 20

Waxing Crescent 21%

08:11

01:42

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

Sun - Rise: 05:10, Set: 21:13, Transit: 13:12. Moon - Rise: 08:11, Set: 01:42. Civil Dark: 21:57 - 04:26. Nautical Dark: 23:01 - 03:22. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
96
100
98
85
83
51
24
82
95
100
100
100
65
48
45
94
98
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

90
88
66
88
57
68
41
13
32
89
77
34
38
45
48
45
46
49
75
100
100
100
100
99

Medium Clouds (% Sky Obscured)

48
51
40
42
32
22
11
0
22
24
2
0
8
9
8
13
26
46
45
85
67
94
96
56

High Clouds (% Sky Obscured)

0
0
0
0
0
0
14
8
51
54
100
100
99
29
5
3
50
54
71
60
56
59
47
31

ISS Passover

Visibility (miles)

4
4
8
8
8
9
9
9
9
9
9
9
4
9
9
9
9
9
9
9
9
6
6
9

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

3
7
8
49
36
28
25
11
22
9
17
9
3
2
0
3
0
1
9
59
56
64
42
13

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

16
17
19
20
22
21
21
21
20
18
16
16
15
14
12
10
10
9
9
8
9
10
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
11
11
11
11
11
11
12
12
11
12
12
12
12
11
10
10
10
10
10
11
11
12

Relative Humidity (%)

96
95
96
95
93
90
87
83
84
86
83
87
93
89
89
93
93
93
93
93
93
87
90
92

Pressure (mb)

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

Ozone (du)

371
370
368
363
359
355
351
349
349
349
348
346
346
347
349
348
347
346
345
346
346
344
344
343

Thursday 21

Waxing Crescent 31%

09:41

02:05

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 OK
22 OK
23 Good
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 05:09, Set: 21:14, Transit: 13:12. Moon - Rise: 09:41, Set: 02:05. Civil Dark: 21:59 - 04:24. Nautical Dark: 23:03 - 03:19. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
100
98
85
96
65
100
88
52
22
19
7
100
99
100
99
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
81
48
50
39
9
0
0
29
3
0
0
0
0
5
1
0
5
26
70

Medium Clouds (% Sky Obscured)

93
78
58
37
29
34
47
50
60
70
77
46
58
64
40
15
3
4
51
29
25
26
0
6

High Clouds (% Sky Obscured)

21
89
76
99
93
100
87
100
85
73
93
49
100
51
4
2
11
7
93
95
100
98
100
100

ISS Passover

Visibility (miles)

9
9
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
1
2
1
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 (%)

19
21
18
7
1
1
1
0
1
11
5
0
1
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)

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

Chance of Frost

Temperature (°C)

13
13
14
15
14
15
15
16
18
18
18
18
18
18
17
16
15
14
14
15
14
14
14
14

Feels Like (°C)

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

Dew Point (°C)

12
13
13
13
13
13
13
13
13
13
13
13
14
14
15
14
13
13
12
11
11
11
11
12

Relative Humidity (%)

93
95
93
90
90
90
86
81
76
73
72
73
77
79
85
87
90
89
87
78
82
83
84
86

Pressure (mb)

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

Ozone (du)

345
345
343
342
342
342
340
339
338
337
337
336
336
339
341
345
346
347
347
347
347
347
348
348

Friday 22

Waxing Crescent 42%

11:10

02:20

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
05 Bad

Sun - Rise: 05:08, Set: 21:16, Transit: 13:13. Moon - Rise: 11:10, Set: 02:20. Civil Dark: 22:01 - 04:23. Nautical Dark: 23:06 - 03:17. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

91
75
81
100
96
100
100
100
100
100
100
100
100
96
85
68
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

73
46
23
19
23
30
8
15
36
46
36
39
37
25
22
31
24
22
31
39
46
56
64
80

Medium Clouds (% Sky Obscured)

10
22
14
13
62
59
65
46
47
57
56
70
94
66
78
60
81
64
95
43
94
90
87
82

High Clouds (% Sky Obscured)

71
56
78
98
94
99
100
100
100
100
100
100
52
96
84
52
100
100
100
100
100
100
96
88

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
2
20
15
45
33
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
Very Light Rain
None
None
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
27
2
25
51
39
37
35
27
9
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
15
17
18
18
18
18
19
19
18
18
17
16
16
16
15
14
13
13
14
13
13
13
13

Feels Like (°C)

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

Dew Point (°C)

12
13
13
13
13
14
14
14
14
14
14
14
14
14
14
13
13
12
12
13
12
12
12
12

Relative Humidity (%)

87
86
77
71
73
73
75
73
73
75
78
83
85
87
90
90
92
93
93
93
92
93
92
92

Pressure (mb)

1022
1022
1022
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1026

Ozone (du)

349
350
347
346
347
347
349
348
348
348
347
346
344
342
340
341
343
345
348
352
357
361
366
370

Saturday 23

First Quarter 54%

12:34

02:33

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

Sun - Rise: 05:07, Set: 21:17, Transit: 13:13. Moon - Rise: 12:34, Set: 02:33. Civil Dark: 22:02 - 04:21. Nautical Dark: 23:08 - 03:15. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

50
24
20
13
15
32
39
85
48
31
79
100
100
76
77
55
28
51
36
30
43
41
20
24

Low Clouds (% Sky Obscured)

50
24
20
13
15
32
39
34
31
29
28
23
20
21
22
23
22
24
24
30
43
41
20
24

Medium Clouds (% Sky Obscured)

40
15
9
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)

50
24
20
11
15
32
39
84
48
31
79
100
100
73
66
44
23
28
11
8
17
18
3
6

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 (%)

3
2
0
0
0
0
1
1
1
0
5
3
0
10
9
1
6
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)

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

Chance of Frost

Temperature (°C)

13
14
15
16
17
17
17
17
17
17
17
17
17
16
15
14
13
13
13
13
13
13
13
13

Feels Like (°C)

13
15
17
19
19
19
18
18
17
18
18
17
16
15
16
14
13
14
13
13
13
13
14
14

Dew Point (°C)

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

Relative Humidity (%)

92
90
86
82
78
79
81
81
79
77
74
72
72
73
78
78
79
79
77
83
87
90
89
90

Pressure (mb)

1026
1027
1027
1027
1027
1028
1028
1028
1029
1029
1029
1029
1029
1029
1029
1030
1030
1030
1030
1030
1030
1030
1031
1031

Ozone (du)

369
367
361
354
349
345
343
341
340
337
334
332
331
331
330
328
328
327
327
327
326
324
323
321

Sunday 24

Waxing Gibbous 64%

13:53

02:43

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

Sun - Rise: 05:06, Set: 21:19, Transit: 13:13. Moon - Rise: 13:53, Set: 02:43. Civil Dark: 22:04 - 04:20. Nautical Dark: 23:11 - 03:13. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

24
13
14
13
9
6
2
0
5
5
6
7
11
8
13
19
24
26
21
14
4
1
1
0

Low Clouds (% Sky Obscured)

24
13
14
13
9
6
0
0
5
5
6
7
11
7
13
19
24
26
21
14
4
1
1
0

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)

10
4
5
4
2
1
0
0
0
1
1
1
2
7
7
5
3
2
1
1
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
0
0
0
0
0
0
0
0
0
1
0
1
1
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)

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

Chance of Frost

Temperature (°C)

13
14
16
17
19
20
20
21
21
21
21
20
19
19
17
16
16
16
15
15
15
15
15
16

Feels Like (°C)

14
16
18
20
22
23
23
23
23
23
23
23
22
21
21
20
20
20
19
19
18
18
18
18

Dew Point (°C)

12
12
13
13
14
14
13
14
15
15
16
16
16
15
14
14
13
13
13
13
13
14
14
14

Relative Humidity (%)

90
86
82
76
71
67
64
65
67
69
73
76
78
81
82
85
86
86
87
87
89
90
89
89

Pressure (mb)

1031
1031
1031
1031
1031
1031
1031
1031
1031
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1029
1029
1029

Ozone (du)

321
321
321
321
322
322
322
322
322
322
323
322
323
323
324
326
327
327
327
326
327
327
327
326

Monday 25

Waxing Gibbous 74%

15:09

02:53

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

Sun - Rise: 05:05, Set: 21:20, Transit: 13:13. Moon - Rise: 15:09, Set: 02:53. Civil Dark: 22:06 - 04:19. Nautical Dark: 23:13 - 03:10. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
0
3
7
10
12
14
16
23
31
38
34
32
28
21
13
6
4
2
1
1
1

Low Clouds (% Sky Obscured)

0
0
0
0
3
6
9
11
13
15
23
31
38
34
28
21
17
13
6
4
2
1
1
1

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
0
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
8
8
7
8

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
13
18
19
22
32
30
31
31
31
28
27
27
30
27
14
13
8

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)

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

Chance of Frost

Temperature (°C)

17
18
19
20
22
22
23
23
23
23
22
22
21
20
19
18
17
16
16
15
15
15
14
15

Feels Like (°C)

18
18
21
22
22
23
23
24
27
26
25
25
25
25
22
22
22
21
20
19
18
18
18
18

Dew Point (°C)

15
16
16
16
16
17
17
17
17
18
18
18
18
17
17
16
15
15
14
14
13
13
13
13

Relative Humidity (%)

88
88
82
76
72
71
69
68
71
74
75
77
82
85
88
89
90
90
90
89
89
89
89
89

Pressure (mb)

1029
1029
1029
1029
1029
1029
1028
1028
1028
1028
1028
1028
1028
1027
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027

Ozone (du)

325
324
323
323
323
322
322
322
323
323
324
324
324
324
325
326
327
328
328
329
327
326
324
323

Tuesday 26

Waxing Gibbous 82%

16:24

03:04

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

Sun - Rise: 05:03, Set: 21:21, Transit: 13:13. Moon - Rise: 16:24, Set: 03:04. Civil Dark: 22:07 - 04:17. Nautical Dark: 23:15 - 03:08. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

1
15
29
43
62
77
90
62
44
26
27
27
30
38
47
55
56
47
40

Low Clouds (% Sky Obscured)

1
1
2
2
6
9
10
9
10
12
12
12
11
10
9
8
8
7
7

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
2
3
6
9
11
14
16
24
27
34
37

High Clouds (% Sky Obscured)

0
3
6
6
12
12
15
11
8
2
3
2
2
21
37
55
41
25
9

ISS Passover

Visibility (miles)

9
9
7
5
3
3
3
3
3
3
3
3
3
3
3
3
3
3
4

Fog (%)

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

Precipitation Probability (%)

2
5
5
1
11
10
4
20
17
10
17
15
11
9
6
2
7
7
6

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
18
20
21
22
23
22
23
22
22
22
22
22
22
21
20
20
20
18

Dew Point (°C)

14
14
15
16
17
17
17
17
18
17
18
17
17
16
15
15
14
14
13

Relative Humidity (%)

89
89
86
85
84
82
81
80
81
80
81
81
82
81
86
89
93
92
90

Pressure (mb)

1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027

Ozone (du)

321
320
320
320
321
321
320
320
320
320
320
320
320
321
322
322
323
323
324

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

Generated: 20/05/26 06:21:01. Forecast: 20/05/26 to 26/05/26. Timezone: UTC+1.00