Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waxing Crescent 27%

13:28

21:48

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:05, Set: 20:37, Transit: 13:20. Moon - Rise: 13:28, Set: 21:48. Civil Dark: 21:15 - 05:27. Nautical Dark: 22:03 - 04:39. Astro Dark: 23:02 - 03:41

Total Clouds (% Sky Obscured)

100
97
86
65
94
100
94
100
100
100
100
100
100
100
100
75
90
100
100
98
100
100
100
97

Low Clouds (% Sky Obscured)

64
68
69
48
35
48
70
82
100
100
100
100
93
87
81
63
80
86
80
69
82
75
70
64

Medium Clouds (% Sky Obscured)

60
33
50
35
37
32
44
47
62
90
43
86
41
23
12
3
0
4
5
21
14
26
56
65

High Clouds (% Sky Obscured)

0
0
0
40
72
100
65
55
7
79
66
95
99
100
100
48
84
91
100
96
100
100
100
90

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
2
0
0
6
8
7
7
7
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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

6
3
3
1
0
0
1
10
35
61
95
81
29
37
35
32
28
32
31
32
26
30
28
25

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
1.1
1
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
8
7
6
6
7
8
9
10
10
13
15
14
13
15
14
14
13
12
14
13
14
15

Chance of Frost

Temperature (°C)

18
19
19
18
18
18
17
16
16
17
17
18
18
18
18
18
17
17
17
16
17
17
17
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
76
73
75
75
77
83
92
92
85
86
96
98
98
98
95
95
95
93
90
85
85
85
79

Pressure (mb)

1018
1018
1018
1017
1017
1016
1016
1016
1015
1015
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014

Ozone (du)

300
302
302
300
299
299
298
299
300
301
301
301
302
304
302
303
304
304
304
303
302
301
300
300

Tuesday 18

Waxing Crescent 37%

No Rise

22:03

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:06, Set: 20:34, Transit: 13:19. Moon - Rise: No Rise, Set: 22:03. Civil Dark: 21:12 - 05:29. Nautical Dark: 22:01 - 04:41. Astro Dark: 22:58 - 03:44

Total Clouds (% Sky Obscured)

91
98
100
97
99
100
100
100
100
60
43
47
54
52
58
77
88
82
68
76
58
69
94
81

Low Clouds (% Sky Obscured)

71
66
66
65
58
60
57
44
37
30
36
47
52
47
56
67
70
68
58
76
58
56
65
51

Medium Clouds (% Sky Obscured)

64
22
28
54
59
61
50
55
25
25
22
28
29
26
27
22
28
26
16
0
2
18
38
31

High Clouds (% Sky Obscured)

67
90
99
82
93
55
65
33
35
27
0
0
0
0
0
0
0
0
0
0
0
0
1
2

ISS Passover

Visibility (miles)

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

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
Very Light Rain

Precipitation Probability (%)

26
20
7
9
25
28
28
33
30
37
27
10
14
25
37
37
35
40
41
41
34
30
41
51

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
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
72
68
65
70
78
79
78
78
81
86
89
86
85
86
84
79
80
80
78
78
75
73
77

Pressure (mb)

1013
1013
1012
1012
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

301
301
300
301
302
305
308
311
311
313
316
319
323
328
332
334
337
344
346
346
345
339
338
337

Wednesday 19

Waxing Crescent 47%

14:45

22:23

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:08, Set: 20:32, Transit: 13:19. Moon - Rise: 14:45, Set: 22:23. Civil Dark: 21:10 - 05:31. Nautical Dark: 21:58 - 04:43. Astro Dark: 22:55 - 03:47

Total Clouds (% Sky Obscured)

70
93
83
98
75
81
84
86
97
94
92
76
79
83
90
88
87
88
89
89
90
89
86
82

Low Clouds (% Sky Obscured)

40
63
65
44
43
70
76
78
71
83
69
72
69
63
76
77
76
78
79
83
81
79
60
65

Medium Clouds (% Sky Obscured)

25
37
36
83
27
36
80
70
32
38
46
38
37
35
35
36
35
39
40
38
33
30
60
36

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
23
65
60
26
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

50
61
67
75
79
92
93
94
95
82
81
78
62
49
53
53
51
45
48
63
61
67
75
73

Precipitation Amount (mm)

0.2
0.4
0.4
0.7
0.7
1
1
1
1.1
0.7
0.6
0.7
0.5
0.3
0.4
0.3
0.3
0.2
0
0.4
0.2
0.4
0.6
0.5

Wind Speed/Direction (mph)

19
19
18
18
19
18
17
16
15
15
13
12
11
10
10
11
11
10
9
9
7
6
8
10

Chance of Frost

Temperature (°C)

17
17
17
16
16
16
16
16
16
16
16
15
15
15
15
15
15
15
15
15
16
16
17
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
72
81
86
86
86
85
83
83
83
87
87
89
92
93
92
89
92
90
87
83
75
74
77

Pressure (mb)

1007
1007
1006
1006
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1004
1004
1005
1005
1006
1006
1006
1007
1007
1008

Ozone (du)

338
339
346
346
342
343
345
346
346
349
352
352
352
352
351
350
349
350
351
351
351
351
350
349

Thursday 20

First Quarter 56%

15:58

22:51

14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 Good
22 OK
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

Sun - Rise: 06:10, Set: 20:30, Transit: 13:19. Moon - Rise: 15:58, Set: 22:51. Civil Dark: 21:08 - 05:32. Nautical Dark: 21:55 - 04:45. Astro Dark: 22:51 - 03:50

Total Clouds (% Sky Obscured)

81
78
67
73
69
47
20
2
32
57
82
82
93
99
99
95
90
91
98
100
90
79
56
62

Low Clouds (% Sky Obscured)

63
52
44
47
49
32
13
1
3
2
1
8
26
49
38
24
19
26
35
45
53
58
33
30

Medium Clouds (% Sky Obscured)

43
42
21
49
20
14
7
2
1
2
3
13
23
51
66
49
34
34
34
34
23
17
10
14

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
8
17
30
31
35
36
50
57
75
80
80
75
47
23
0
0

ISS Passover

Visibility (miles)

4
7
4
4
6
8
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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

73
67
64
62
44
29
15
9
10
7
1
2
3
2
3
4
3
4
4
8
28
38
37
25

Precipitation Amount (mm)

0.5
0.4
0.5
0.5
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
8
7
6
5
4
5
6
6
6
5
5
5
5
5
5
5
5
5
5
5
7
8
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
70
71
70
70
76
74
78
84
87
87
87
87
87
86
86
86
89
84
80
78
75
71
65

Pressure (mb)

1008
1009
1009
1009
1009
1010
1010
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1014
1014
1014
1014

Ozone (du)

350
350
350
350
349
347
347
346
346
345
344
344
343
343
343
342
342
342
342
343
343
342
344
345

Friday 21

Waxing Gibbous 66%

17:05

23:29

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

Sun - Rise: 06:11, Set: 20:28, Transit: 13:19. Moon - Rise: 17:05, Set: 23:29. Civil Dark: 21:05 - 05:34. Nautical Dark: 21:52 - 04:47. Astro Dark: 22:48 - 03:53

Total Clouds (% Sky Obscured)

64
66
67
65
62
59
57
51
39
29
20
25
32
43
60
65
70
62
43
30
24
17
11
20

Low Clouds (% Sky Obscured)

19
8
27
50
62
51
25
0
0
0
1
3
6
13
26
47
61
50
37
25
20
17
11
20

Medium Clouds (% Sky Obscured)

20
20
18
17
14
20
21
26
20
14
6
3
2
0
0
0
0
0
0
0
0
0
0
10

High Clouds (% Sky Obscured)

0
0
7
13
18
12
5
0
0
0
0
0
0
0
0
1
1
1
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 (%)

25
21
23
22
21
15
11
6
18
5
2
5
6
3
7
7
2
7
6
0
12
14
9
11

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
65
65
64
62
65
73
78
84
87
90
90
87
86
83
83
83
83
76
71
66
63
61
59

Pressure (mb)

1014
1014
1014
1014
1014
1014
1015
1015
1016
1016
1017
1017
1017
1017
1017
1018
1018
1018
1019
1019
1019
1020
1020
1020

Ozone (du)

347
349
349
349
349
351
351
351
351
352
352
352
351
351
351
350
350
349
349
349
350
350
351
352

Saturday 22

Waxing Gibbous 75%

17:59

00:21

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

Sun - Rise: 06:13, Set: 20:26, Transit: 13:18. Moon - Rise: 17:59, Set: 00:21. Civil Dark: 21:03 - 05:36. Nautical Dark: 21:50 - 04:50. Astro Dark: 22:44 - 03:56

Total Clouds (% Sky Obscured)

22
30
35
32
31
26
20
17
11
6
0
0
0
0
0
0
0
0
0
0
14
28
42
41

Low Clouds (% Sky Obscured)

22
23
23
23
25
19
11
4
3
1
0
0
0
0
0
0
0
0
0
0
14
28
42
41

Medium Clouds (% Sky Obscured)

21
27
23
18
13
12
10
8
6
3
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
1

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 (%)

9
4
5
3
1
2
1
0
0
0
0
0
0
0
0
0
0
5
8
1
2
1
0
2

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
11
11
11
11
9
7
6
5
5
5
5
5
5
4
4
5
3
4
6
8
9
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
60
60
62
63
64
69
75
80
81
83
84
84
84
84
84
85
85
80
74
69
67
66
64

Pressure (mb)

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

Ozone (du)

352
351
351
351
351
352
350
349
348
348
348
348
348
348
348
349
349
350
349
348
346
346
345
344

Sunday 23

Waxing Gibbous 83%

18:41

01:25

14 OK
15 OK
16 OK
17 OK
18 OK
19 OK
20 Bad
21 Bad
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:15, Set: 20:24, Transit: 13:18. Moon - Rise: 18:41, Set: 01:25. Civil Dark: 21:01 - 05:38. Nautical Dark: 21:47 - 04:52. Astro Dark: 22:41 - 03:59

Total Clouds (% Sky Obscured)

37
33
31
31
32
42
53
49
44
40
25
26
27
31
38
38
45

Low Clouds (% Sky Obscured)

37
33
27
16
4
3
2
2
6
7
12
13
19
23
30
35
42

Medium Clouds (% Sky Obscured)

0
0
5
12
19
32
46
49
41
33
23
13
6
2
2
3
3

High Clouds (% Sky Obscured)

2
2
14
30
32
40
33
26
15
5
0
0
0
0
0
1
2

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

2
1
1
1
0
0
0
0
0
0
0
0
1
0
1
1
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)

12
13
14
12
11
10
8
6
5
5
5
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
65
65
67
71
72
75
82
86
86
84
84
86
87
89
89
89

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

343
342
340
341
341
342
342
342
342
340
339
338
337
337
337
336
334

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

Generated: 17/08/26 13:51:36. Forecast: 17/08/26 to 23/08/26. Timezone: UTC+1.00