Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 24

First Quarter 58%

11:59

03:41

03 Good
04 Good
05 Good
06 Good
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 OK
20 Good
21 Good
22 Good
23 Good
00 OK
01 OK
02 Bad

Sun - Rise: 05:57, Set: 20:30, Transit: 13:14. Moon - Rise: 11:59, Set: 03:41. Civil Dark: 21:08 - 05:19. Nautical Dark: 21:57 - 04:31. Astro Dark: 22:55 - 03:32

Total Clouds (% Sky Obscured)

7
6
4
3
0
0
0
0
3
3
3
3
3
3
9
10
28
8
7
8
6
23
31
64

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
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
3
2
2
2
2
6
5
27
4
4
5
3
19
29
59

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)

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

Chance of Frost

Temperature (°C)

7
5
5
5
5
8
11
13
14
16
17
17
18
18
18
17
15
13
11
10
9
9
9
9

Feels Like (°C)

5
4
3
2
3
6
8
11
12
14
14
15
15
15
15
15
14
12
10
8
8
8
7
7

Dew Point (°C)

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

Relative Humidity (%)

85
88
88
86
83
73
57
47
42
41
41
42
45
46
52
59
67
74
80
82
82
82
80
78

Pressure (mb)

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

Ozone (du)

364
368
369
369
369
368
365
364
365
365
365
363
366
365
366
367
367
366
364
361
360
361
363
361

Saturday 25

Waxing Gibbous 69%

13:24

04:00

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

Sun - Rise: 05:55, Set: 20:32, Transit: 13:14. Moon - Rise: 13:24, Set: 04:00. Civil Dark: 21:10 - 05:17. Nautical Dark: 21:59 - 04:28. Astro Dark: 22:59 - 03:29

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
74
53
53
44
47
33
20
54
22
44
54
55
85
94
82

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
5
0

Medium Clouds (% Sky Obscured)

43
83
100
100
100
100
98
100
100
62
34
44
38
38
24
13
17
8
16
24
26
24
45
57

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
92
2
0
0
0
0
1
2
46
5
37
50
45
85
94
76

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
6
6
6
7
9
11
12
13
15
14
15
16
15
16
15
15
11
11
8
8
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

77
75
74
69
71
70
62
61
53
49
52
55
58
57
57
58
66
66
65
66
72
74
74
71

Pressure (mb)

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

Ozone (du)

359
360
361
363
369
371
376
381
387
383
378
378
378
377
376
374
374
374
373
371
370
369
369
369

Sunday 26

Waxing Gibbous 78%

14:45

04:14

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

Sun - Rise: 05:53, Set: 20:34, Transit: 13:14. Moon - Rise: 14:45, Set: 04:14. Civil Dark: 21:12 - 05:15. Nautical Dark: 22:02 - 04:26. Astro Dark: 23:02 - 03:25

Total Clouds (% Sky Obscured)

64
53
72
89
85
99
100
91
85
77
47
41
29
58
98
99
98
95
97
97
96
76
33
14

Low Clouds (% Sky Obscured)

0
0
0
32
0
5
5
9
6
1
1
2
1
1
29
41
30
27
2
1
1
1
1
1

Medium Clouds (% Sky Obscured)

64
53
47
56
47
44
43
47
49
58
47
41
29
55
50
40
36
20
23
61
39
18
12
2

High Clouds (% Sky Obscured)

55
20
23
5
43
65
44
60
39
40
12
11
6
22
55
60
55
55
55
50
35
17
25
14

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
1
3
0
2
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)

6
7
7
7
7
6
6
5
3
3
5
6
6
6
4
3
2
2
0
1
3
3
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
70
71
72
73
72
71
65
59
58
56
60
63
66
68
68
74
77
80
80
81
80
81
84

Pressure (mb)

1024
1024
1024
1024
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1027
1027
1027
1028
1028
1028
1028

Ozone (du)

370
370
369
370
371
372
371
371
372
373
374
372
373
373
374
374
374
374
373
374
373
373
372
372

Monday 27

Waxing Gibbous 86%

16:03

04:25

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

Sun - Rise: 05:51, Set: 20:36, Transit: 13:13. Moon - Rise: 16:03, Set: 04:25. Civil Dark: 21:14 - 05:13. Nautical Dark: 22:04 - 04:23. Astro Dark: 23:06 - 03:21

Total Clouds (% Sky Obscured)

14
10
4
0
3
6
19
5
6
30
17
82
89
99
51
19
21
8
10
8
12
19
20
20

Low Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
0
8
2
21
22
20
12
3
4
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
1
2
3
2
1
0
0
0
0
8
15
19
15
7
0
0
0
0
8
14

High Clouds (% Sky Obscured)

14
10
4
0
0
0
4
2
3
4
17
37
45
36
28
17
17
8
10
8
12
19
20
20

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
10
4
5
4
10
5
3
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
87
87
88
85
79
74
69
65
67
71
72
70
73
73
73
75
80
84
86
84
83
81
87

Pressure (mb)

1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027
1027
1028
1028
1028
1028
1028

Ozone (du)

370
369
371
372
372
371
370
368
367
367
366
366
365
365
365
366
365
365
364
364
363
363
363
363

Tuesday 28

Waxing Gibbous 93%

17:19

04:35

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

Sun - Rise: 05:49, Set: 20:37, Transit: 13:13. Moon - Rise: 17:19, Set: 04:35. Civil Dark: 21:16 - 05:10. Nautical Dark: 22:06 - 04:20. Astro Dark: 23:09 - 03:18

Total Clouds (% Sky Obscured)

24
23
23
19
14
14
17
15
17
15
15
15
60
93
34
88
76
65
60
51
44
40
34
23

Low Clouds (% Sky Obscured)

0
0
0
0
10
14
17
15
17
15
15
15
34
36
27
31
58
53
50
44
35
27
20
12

Medium Clouds (% Sky Obscured)

14
10
7
4
2
1
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

24
23
23
15
14
14
17
15
15
6
4
2
1
1
1
1
6
7
7
6
6
5
13
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 (%)

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
1
2
0
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
8
8
8
8
8
7
7
7
7
7
7
8
8
9
9
10
11
10
9
9
9
9
9

Relative Humidity (%)

90
90
91
90
88
81
72
64
59
56
56
55
56
57
63
64
70
72
71
73
77
83
88
90

Pressure (mb)

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

Ozone (du)

363
361
361
361
362
362
362
363
364
364
363
362
361
362
362
364
365
364
364
363
363
363
363
362

Wednesday 29

Waxing Gibbous 97%

18:34

04:45

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

Sun - Rise: 05:47, Set: 20:39, Transit: 13:13. Moon - Rise: 18:34, Set: 04:45. Civil Dark: 21:18 - 05:08. Nautical Dark: 22:09 - 04:18. Astro Dark: 23:13 - 03:14

Total Clouds (% Sky Obscured)

10
9
9
8
9
11
22
20
19
18
17
16
15
21
29
37
33
28
23
19
14
9
15
21

Low Clouds (% Sky Obscured)

4
5
6
6
9
11
18
17
16
15
13
10
8
6
6
7
5
5
6
4
3
0
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)

10
9
9
2
3
2
2
1
1
1
0
0
1
3
5
8
7
6
5
4
3
2
5
8

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
8
8
8
8
9
10
10
10
11
11
17
17
17
17
17
17
16
15
15
15
15
14
10

Dew Point (°C)

8
8
8
7
8
7
8
8
7
7
7
8
8
8
9
10
11
10
10
9
9
9
9
8

Relative Humidity (%)

90
90
90
90
90
81
73
67
62
58
55
56
56
57
61
66
72
75
78
83
84
86
85
87

Pressure (mb)

1027
1028
1027
1027
1027
1027
1028
1028
1028
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1028
1028
1028
1028
1028

Ozone (du)

362
361
361
361
360
361
361
361
361
361
360
361
361
361
361
360
360
361
361
361
360
359
358
358

Thursday 30

Waxing Gibbous 99%

19:50

04:55

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

Sun - Rise: 05:45, Set: 20:41, Transit: 13:13. Moon - Rise: 19:50, Set: 04:55. Civil Dark: 21:20 - 05:06. Nautical Dark: 22:11 - 04:15. Astro Dark: 23:16 - 03:10

Total Clouds (% Sky Obscured)

27
26
25
23
20
17
14
30
46
61
65
71
77
64
50
41
46
51
55
52
48
43

Low Clouds (% Sky Obscured)

1
2
4
6
8
10
9
9
15
20
22
17
12
13
15
19
23
28
32
31
30
29

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

High Clouds (% Sky Obscured)

11
8
7
5
3
2
1
5
6
8
9
14
16
16
9
6
9
13
12
11
9
9

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
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
9
9
9
8
9
9
10
10
11
12
16
16
16
17
16
17
16
16
15
15
14

Dew Point (°C)

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

Relative Humidity (%)

87
88
87
87
85
77
69
62
56
52
48
49
50
52
58
63
71
75
80
86
87
88

Pressure (mb)

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

Ozone (du)

357
357
357
357
357
358
358
359
360
361
362
362
362
362
362
362
362
362
363
363
363
363

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

Generated: 24/04/26 03:53:52. Forecast: 24/04/26 to 30/04/26. Timezone: UTC+1.00