Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 22

Waxing Crescent 42%

11:10

02:20

08 OK
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

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)

39
53
63
100
100
100
100
100
100
100
100
100
84
64
100
100
98
94
85
70
86
78
87
95

Low Clouds (% Sky Obscured)

10
25
63
81
44
13
10
26
48
54
43
53
74
64
81
82
81
74
75
70
86
77
87
95

Medium Clouds (% Sky Obscured)

21
28
3
0
0
21
67
89
83
85
72
85
60
28
83
83
89
61
44
3
3
0
0
0

High Clouds (% Sky Obscured)

39
53
63
100
100
100
100
100
100
100
100
100
25
3
100
100
55
60
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
20
65
38
63
5
5
7
6
5
6
6
6
10
15
17
14

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
1
7
15
12
9
4
0
2
2
0
3
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)

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

Chance of Frost

Temperature (°C)

18
18
18
18
18
19
19
19
18
18
17
17
16
14
14
13
13
13
13
12
12
12
12
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
77
76
76
75
75
75
73
76
77
79
82
87
95
93
95
93
93
92
93
95
93
95
89

Pressure (mb)

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

Ozone (du)

346
346
346
344
344
346
345
343
343
341
342
342
342
345
350
353
359
370
364
358
353
347
345
341

Saturday 23

First Quarter 54%

12:34

02:33

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

84
75
72
54
42
50
62
62
60
78
61
47
58
42
58
22
8
7
29
28
17
18
30
26

Low Clouds (% Sky Obscured)

84
75
72
47
32
26
25
44
29
27
33
0
0
0
0
0
0
0
0
0
0
0
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)

1
1
18
10
20
35
36
45
40
67
50
46
53
41
51
17
8
7
22
22
17
15
26
26

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 (%)

2
2
31
81
66
31
8
4
2
2
2
2
2
1
0
2
44
44
44
44
37
34
35
23

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
15
15
15
16
16
17
16
17
16
15
15
13
13
11
11
12
11
11
10
10
11
14

Dew Point (°C)

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

Relative Humidity (%)

87
84
80
78
78
78
78
78
78
78
79
82
87
90
90
87
87
87
84
84
84
83
78
75

Pressure (mb)

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

Ozone (du)

338
336
334
334
333
332
330
328
327
327
327
325
323
322
323
325
324
322
321
320
319
318
319
320

Sunday 24

Waxing Gibbous 64%

13:53

02:43

08 OK
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

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)

23
3
3
10
4
4
2
0
0
0
0
0
0
0
0
1
2
1
1
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)

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

High Clouds (% Sky Obscured)

23
3
2
9
3
3
2
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 (%)

8
11
14
24
19
21
23
23
19
15
15
13
13
13
13
13
13
13
13
13
13
13
13
13

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
18
19
19
20
20
21
22
22
22
21
21
21
19
18
17
17
17
17
17
17
17
18
21

Dew Point (°C)

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

Relative Humidity (%)

67
63
60
58
57
58
60
62
64
67
68
70
74
77
78
80
82
83
83
83
83
83
82
81

Pressure (mb)

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

Ozone (du)

321
322
323
324
326
328
329
329
328
328
328
326
325
325
325
324
325
327
328
326
324
322
321
321

Monday 25

Waxing Gibbous 74%

15:09

02:53

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 Good
22 Good
23 Good
00 Good
01 Good
02 OK
03 OK
04 Good
05 Good
06 Good
07 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
5
2
5
5
5
6
32
9
8
6
5
5

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
12
9
8
6
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
3
1
2
2
2
2
16
3
3
3
4
3

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
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
74
72
71
69
69
70
73
74
75
76
77
84
85
85
85
88
86
88
89
90
92
90
89

Pressure (mb)

1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1030
1030
1030
1030
1030
1030
1029
1029
1030
1030

Ozone (du)

322
321
318
318
319
320
321
321
321
322
325
325
323
323
323
322
322
321
320
319
319
319
319
319

Tuesday 26

Waxing Gibbous 82%

16:24

03:04

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

3
4
4
6
6
17
15
25
23
27
21
17
9
2
2
3
5
13
28
38
47
57
66
70

Low Clouds (% Sky Obscured)

0
0
2
5
6
11
13
17
11
7
1
16
8
0
0
0
0
0
0
0
0
0
0
2

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

2
2
1
1
1
0
0
1
1
1
2
6
5
2
2
2
1
3
6
10
17
23
26
27

ISS Passover

Visibility (miles)

9
9
9
7
9
9
9
7
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13

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
12
15
21
30
36
39
33
31
31
35
28
20
18
14
7
12
12
5
11
14
11
12

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
3
2
2
3
3
3
3
3
4
5
4
6
8
9
11
12
13
13
14
13
13
13

Chance of Frost

Temperature (°C)

19
21
22
23
24
25
24
24
24
25
25
25
24
22
21
20
19
18
18
17
16
16
15
15

Feels Like (°C)

23
24
26
27
29
29
27
28
28
27
28
28
28
28
28
26
26
25
18
17
15
15
14
14

Dew Point (°C)

17
17
17
17
17
18
19
19
19
20
20
20
20
19
19
18
17
16
15
15
14
13
13
12

Relative Humidity (%)

84
79
73
68
65
66
71
70
71
73
74
77
82
84
89
88
85
85
85
85
85
83
83
82

Pressure (mb)

1030
1030
1030
1030
1030
1030
1030
1029
1029
1029
1029
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028

Ozone (du)

318
319
319
319
319
317
316
315
316
318
320
320
322
324
325
327
329
330
331
331
332
332
332
333

Wednesday 27

Waxing Gibbous 89%

17:39

03:16

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

75
66
58
49
40
42
45
47
44
39
35
45
52
62
69
78
87
60
33
6
6
7
7
21

Low Clouds (% Sky Obscured)

6
10
16
23
30
30
33
34
31
24
17
11
5
0
0
0
0
0
0
0
2
5
7
11

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
6
10
9
10
9
10
15
22
22
18
20
6
6
7
7
6

High Clouds (% Sky Obscured)

21
18
11
5
2
18
36
47
44
39
35
45
52
62
69
78
87
60
33
6
6
7
1
21

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
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13

Precipitation Type

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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

9
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
20
19
50
66
63
56

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
13
13
14
14
18
17
18
17
18
18
18
18
19
18
19
17
14
14
14
13
13
12

Dew Point (°C)

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

Relative Humidity (%)

77
71
66
63
61
59
61
63
64
67
69
73
74
72
72
72
72
73
74
74
76
75
75
74

Pressure (mb)

1028
1028
1028
1028
1027
1027
1027
1026
1025
1025
1025
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1022

Ozone (du)

333
333
334
334
335
335
336
336
336
337
338
339
339
340
340
341
341
341
342
342
342
344
346
347

Thursday 28

Waxing Gibbous 95%

18:54

03:31

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: 05:01, 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)

35
49
66
83
99
88
77
67
71
79
83
90
95
100
87
72
55

Low Clouds (% Sky Obscured)

15
16
14
18
20
33
37
34
35
35
40
45
50
55
52
49
46

Medium Clouds (% Sky Obscured)

4
2
11
21
27
28
31
30
23
13
3
9
14
16
13
9
7

High Clouds (% Sky Obscured)

35
49
66
79
78
81
77
67
57
36
14
20
27
25
19
13
9

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13

Precipitation Type

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

Precipitation Probability (%)

29
4
3
2
0
1
3
4
2
2
4
2
1
2
2
2
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
13
13
12
12
16
15
15
16
16
17
17
17
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

68
61
55
55
55
56
57
58
60
64
68
73
77
79
83
84
86

Pressure (mb)

1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1022
1023
1023
1023
1023
1023

Ozone (du)

344
340
336
337
337
337
337
337
338
338
339
340
342
345
348
347
346

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

Generated: 22/05/26 08:09:12. Forecast: 22/05/26 to 28/05/26. Timezone: UTC+1.00