Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 23

First Quarter 54%

12:34

02:33

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

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)

99
96
82
46
47
100
100
100
99
79
64
48
41
43
50
49
30
36
40
69
34
71
78
74

Low Clouds (% Sky Obscured)

87
67
39
31
33
44
46
41
43
46
38
14
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
12
30
30
37
41
33
18
8
15
21
19
17
11
15
19
23

High Clouds (% Sky Obscured)

11
15
24
46
47
100
100
100
98
59
47
48
41
37
40
35
7
7
12
45
18
55
60
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
9
9
9

Fog (%)

0
0
0
0
1
0
0
0
0
0
0
0
0
0
4
15
45
73
56
56
38
8
2
6

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
83
79
77
74
73
72
72
72
71
75
83
87
88
87
87
87
84
82
81
78
76
73
67

Pressure (mb)

1028
1028
1028
1029
1029
1029
1029
1030
1030
1030
1030
1030
1030
1031
1031
1031
1031
1031
1031
1031
1031
1031
1032
1032

Ozone (du)

333
332
332
332
333
331
329
327
324
323
322
320
320
321
320
321
321
318
317
316
317
318
318
319

Sunday 24

Waxing Gibbous 64%

13:53

02:43

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

57
51
40
34
7
1
1
2
2
0
0
3
0
0
0
0
0
0
0
0
0
0
0
0

Low 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

Medium Clouds (% Sky Obscured)

16
20
21
12
0
0
0
0
0
0
0
3
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

33
15
2
7
7
1
1
1
1
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
9
9
9
9

Fog (%)

13
6
2
5
9
25
41
44
44
43
44
46
35
25
16
11
8
5
2
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)

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

Chance of Frost

Temperature (°C)

16
17
18
18
19
19
19
19
20
19
19
18
16
16
15
15
15
15
15
15
15
16
18
20

Feels Like (°C)

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

Dew Point (°C)

8
9
9
9
9
10
10
11
12
12
13
13
11
11
12
12
12
12
12
11
11
11
13
14

Relative Humidity (%)

61
59
56
54
54
55
56
58
60
63
67
72
72
75
78
80
82
82
80
78
76
75
76
69

Pressure (mb)

1032
1032
1032
1032
1032
1032
1032
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1030
1031
1031

Ozone (du)

319
320
320
321
322
324
324
325
327
327
327
327
327
326
326
324
324
325
325
322
319
318
318
319

Monday 25

Waxing Gibbous 74%

15:09

02:53

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 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good

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
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
0
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)

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
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)

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

Chance of Frost

Temperature (°C)

22
23
24
25
25
25
26
25
25
24
23
22
20
19
19
19
18
18
17
17
17
17
19
21

Feels Like (°C)

24
27
27
28
28
29
29
28
28
27
27
25
23
22
22
22
21
20
20
19
18
18
21
23

Dew Point (°C)

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

Relative Humidity (%)

66
63
61
61
60
59
58
62
66
69
74
80
84
84
86
89
88
88
86
83
83
81
80
70

Pressure (mb)

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

Ozone (du)

320
320
319
319
318
320
320
321
320
319
320
320
320
321
320
320
320
320
320
321
321
320
320
322

Tuesday 26

Waxing Gibbous 82%

16:24

03:04

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 Good
22 Good
23 Good
00 Good
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
08 OK

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)

0
1
2
4
7
7
8
8
6
4
3
3
3
3
4
4
5
20
7
10
16
23
22
21

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
5
6
4
3
3
3
3
1
0
0
4
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
1
2
4
7
7
8
8
6
4
3
3
3
3
4
4
5
20
7
10
16
23
22
21

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
3
6
8
7
5

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

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
3
3
2
2
2
2
3
4
6
9
10
11
13
13
14
14
14
14
14
14

Chance of Frost

Temperature (°C)

22
23
24
24
25
25
25
24
24
24
24
23
22
21
20
20
19
18
18
17
16
16
17
18

Feels Like (°C)

25
26
27
27
27
27
28
27
28
28
28
27
25
24
23
21
20
19
18
18
17
16
17
18

Dew Point (°C)

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

Relative Humidity (%)

62
56
55
57
60
62
65
67
68
68
71
77
80
84
84
86
92
96
90
92
93
93
87
82

Pressure (mb)

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

Ozone (du)

323
324
326
327
327
327
327
327
326
326
326
326
326
327
328
329
328
327
326
326
326
327
330
332

Wednesday 27

Waxing Gibbous 89%

17:39

03:16

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

Sun - Rise: 05:02, Set: 21:23, Transit: 13:13. Moon - Rise: 17:39, Set: 03:16. Civil Dark: 22:09 - 04:16. Nautical Dark: 23:18 - 03:06. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

18
17
14
10
8
11
10
8
6
9
7
8
8
6
2
2
4
6
8
13
18
23
50
75

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
11
15
27
42

Medium Clouds (% Sky Obscured)

18
17
14
10
8
11
10
8
6
9
7
6
1
6
2
2
4
6
8
13
18
17
32
49

High Clouds (% Sky Obscured)

4
3
0
0
1
3
2
0
0
1
0
1
1
0
0
0
0
2
3
7
11
15
28
37

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
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
Very Light Rain
Light Rain

Precipitation Probability (%)

2
8
9
1
4
3
1
1
1
0
0
0
0
0
0
0
0
0
0
12
22
26
49
60

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
0.2
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
20
21
22
23
23
24
24
24
24
23
22
21
20
19
19
18
18
17
16
16
16
16
17

Feels Like (°C)

19
20
20
20
22
22
23
24
24
24
23
22
20
18
17
17
17
17
16
16
16
15
15
14

Dew Point (°C)

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

Relative Humidity (%)

76
74
69
66
64
64
64
64
69
71
75
78
79
76
73
68
63
62
61
60
63
67
69
74

Pressure (mb)

1026
1027
1026
1026
1025
1025
1025
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

334
336
337
336
336
336
336
336
335
334
335
337
339
340
341
341
341
340
340
339
336
333
329
329

Thursday 28

Waxing Gibbous 95%

18:54

03:31

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: 05:01, Set: 21:24, Transit: 13:13. Moon - Rise: 18:54, Set: 03:31. Civil Dark: 22:10 - 04:15. Nautical Dark: 23:20 - 03:04. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
96
95
93
92
92
90
88
88
87
73
65
63
84
93
99
98
97
96
96
97
97
99
100

Low Clouds (% Sky Obscured)

60
64
75
75
82
89
90
88
87
79
73
65
63
78
76
74
68
69
60
40
18
7
8
11

Medium Clouds (% Sky Obscured)

68
46
24
2
2
2
2
2
3
4
4
3
0
17
38
61
70
71
73
71
70
67
62
66

High Clouds (% Sky Obscured)

45
15
5
5
7
12
10
8
10
8
22
27
32
54
76
99
88
78
67
68
73
76
85
92

ISS Passover

Visibility (miles)

7
6
7
8
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

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

Precipitation Probability (%)

66
59
50
39
30
20
3
3
1
0
3
3
1
2
5
11
11
9
2
8
6
0
0
0

Precipitation Amount (mm)

0.5
0.4
0.2
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
7
8
9
12
10
9
10
8
7
5
4
2
1
1
2
3
3
4
5
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
14
12
12
19
17
16
17
17
18
18
19
20
19
18
17
15
15
15
15
15
15
15

Dew Point (°C)

14
15
15
14
14
14
13
13
14
14
15
15
15
15
15
14
13
14
14
14
14
13
13
13

Relative Humidity (%)

77
81
76
71
69
70
70
71
74
79
83
86
90
95
95
93
93
95
95
96
95
93
93
89

Pressure (mb)

1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023

Ozone (du)

329
328
328
328
327
327
326
326
327
327
328
329
330
331
332
332
333
332
332
332
331
330
329
329

Friday 29

Waxing Gibbous 98%

20:09

03:50

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

Sun - Rise: 05:01, Set: 21:25, Transit: 13:13. Moon - Rise: 20:09, Set: 03:50. Civil Dark: 22:12 - 04:14. Nautical Dark: 23:22 - 03:02. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
98
88
76
55
41
33
32
31
20
22
25
29
22
14
7

Low Clouds (% Sky Obscured)

13
11
8
9
10
9
5
3
2
0
1
2
3
3
3
1
8
16
26
17
9
0

Medium Clouds (% Sky Obscured)

70
72
75
76
77
78
84
84
83
76
55
41
33
32
31
20
19
18
17
14
14
7

High Clouds (% Sky Obscured)

100
100
100
100
77
53
34
32
21
15
10
10
10
5
5
10
10
10
10
20
14
7

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

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
1
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

Wind Speed/Direction (mph)

5
6
6
7
8
8
8
8
7
6
4
3
2
2
2
3
4
5
5
5
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
78
78
77
78
74
72
69
70
70
72
70
69
70
68
64
63
62
61
60
62
64

Pressure (mb)

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

Ozone (du)

329
329
329
328
328
328
329
329
329
329
329
330
331
333
334
336
338
340
343
346
347
349

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

Generated: 23/05/26 09:23:02. Forecast: 23/05/26 to 29/05/26. Timezone: UTC+1.00