Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 12

Waxing Crescent 7%

09:45

19:55

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

Sun - Rise: 06:48, Set: 19:35, Transit: 13:12. Moon - Rise: 09:45, Set: 19:55. Civil Dark: 20:12 - 06:13. Nautical Dark: 20:54 - 05:32. Astro Dark: 21:38 - 04:48

Total Clouds (% Sky Obscured)

99
98
99
100
100
99
100
100
100
92
92
93
100
100
88
79
69
89
85
86
91
99
96
100

Low Clouds (% Sky Obscured)

91
87
88
88
92
92
96
85
92
88
92
91
94
84
79
79
69
54
26
16
12
23
30
36

Medium Clouds (% Sky Obscured)

9
14
18
20
24
97
100
100
89
10
4
0
0
0
0
0
0
0
4
51
56
20
71
22

High Clouds (% Sky Obscured)

41
85
99
100
100
78
100
100
88
0
0
3
100
100
30
1
2
54
79
59
76
92
75
99

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
7
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

39
33
41
41
42
42
60
57
47
42
33
25
27
24
22
17
16
1
0
1
0
0
4
8

Precipitation Amount (mm)

0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
14
13
10
10
10
10
10
10
10
10
8
8
7
8
7
8
6
5
6
5
4
4
4

Chance of Frost

Temperature (°C)

18
18
17
17
17
17
17
17
17
17
17
17
17
17
18
18
18
19
19
19
19
19
18
17

Feels Like (°C)

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

Dew Point (°C)

17
18
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
16
16
16
16
16
16
16

Relative Humidity (%)

98
100
100
98
100
100
98
98
98
100
98
98
98
96
95
93
92
86
84
81
82
82
86
92

Pressure (mb)

1020
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

298
298
298
296
295
294
292
295
306
309
310
303
301
299
299
298
295
293
292
291
290
290
290
289

Sunday 13

Waxing Crescent 13%

11:05

19:55

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

Sun - Rise: 06:49, Set: 19:33, Transit: 13:11. Moon - Rise: 11:05, Set: 19:55. Civil Dark: 20:10 - 06:15. Nautical Dark: 20:51 - 05:34. Astro Dark: 21:35 - 04:50

Total Clouds (% Sky Obscured)

100
100
96
99
100
100
100
100
91
94
96
96
81
100
94
59
55
96
98
97
96
98
94
94

Low Clouds (% Sky Obscured)

36
27
34
96
92
90
90
90
87
88
91
94
63
100
90
40
34
95
97
97
93
96
94
93

Medium Clouds (% Sky Obscured)

10
12
14
14
13
18
10
3
0
5
11
12
10
8
8
9
5
7
9
8
4
9
7
8

High Clouds (% Sky Obscured)

97
100
30
78
94
100
94
90
56
9
2
2
2
1
0
0
0
0
0
0
2
33
2
0

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
4
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
Very Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

17
25
31
26
32
25
31
33
41
28
28
21
31
40
15
10
9
23
12
30
30
27
25
25

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.2
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
4
5
7
7
9
10
10
10
9
8
9
8
11
13
13
13
14
13
13
16
15
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
92
93
90
90
92
95
96
96
96
96
96
96
90
88
84
84
91
91
92
95
95
96

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1021
1021
1020
1020
1019
1019
1018

Ozone (du)

288
288
288
287
285
284
283
284
284
284
283
284
285
286
288
290
292
292
292
292
290
289
289
288

Monday 14

Waxing Crescent 21%

12:24

20:09

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

Sun - Rise: 06:51, Set: 19:31, Transit: 13:11. Moon - Rise: 12:24, Set: 20:09. Civil Dark: 20:07 - 06:17. Nautical Dark: 20:49 - 05:36. Astro Dark: 21:32 - 04:52

Total Clouds (% Sky Obscured)

96
100
100
100
100
96
86
66
79
73
84
68
57
65
65
71
89
87
87
81
79
74
66
73

Low Clouds (% Sky Obscured)

94
94
96
90
100
92
82
56
67
69
71
67
44
53
65
71
78
78
73
64
61
61
51
52

Medium Clouds (% Sky Obscured)

7
10
15
25
24
25
86
66
2
0
2
0
0
0
0
0
12
9
9
8
6
6
6
10

High Clouds (% Sky Obscured)

32
19
100
100
58
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
8
7
5
3
0
0
0
1
5
8
9
9
6
8
9
9
9
9
9
6
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

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

Precipitation Probability (%)

42
52
78
77
93
95
95
91
82
75
40
8
15
22
29
35
38
34
34
41
53
57
62
48

Precipitation Amount (mm)

0.3
0
0.3
0.4
0.6
2.8
5
0.5
0.7
0.7
0.2
0
0
0
0
0
0
0
0
0
0.2
0.3
0.4
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
93
95
96
98
98
98
96
95
93
92
87
87
87
89
89
82
77
74
80
82
82

Pressure (mb)

1018
1018
1018
1017
1017
1016
1016
1016
1016
1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

288
290
290
290
291
292
293
299
302
307
314
318
321
325
328
331
335
335
333
334
335
339
341
342

Tuesday 15

Waxing Crescent 30%

13:40

20:27

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

Sun - Rise: 06:53, Set: 19:28, Transit: 13:10. Moon - Rise: 13:40, Set: 20:27. Civil Dark: 20:05 - 06:19. Nautical Dark: 20:46 - 05:38. Astro Dark: 21:30 - 04:54

Total Clouds (% Sky Obscured)

73
65
65
78
84
90
90
91
83
74
57
58
61
68
72
74
86
88
87
86
89
92
96
94

Low Clouds (% Sky Obscured)

58
51
62
72
79
79
79
79
71
64
57
57
57
58
63
68
76
69
63
59
68
68
77
75

Medium Clouds (% Sky Obscured)

10
6
5
5
6
5
5
8
5
3
0
0
0
0
0
0
0
0
0
0
1
3
4
8

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
70
69
68
62
56
54
46

ISS Passover

Visibility (miles)

9
9
9
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

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

Precipitation Probability (%)

44
57
55
35
37
26
22
44
37
30
39
30
30
32
31
28
27
22
19
17
14
3
14
10

Precipitation Amount (mm)

0
0.5
0.3
0
0.2
0
0
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
84
86
87
89
86
86
84
84
84
86
87
87
84
83
83
79
78
74
74
71
74
70
69

Pressure (mb)

1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1019
1019

Ozone (du)

339
339
339
338
338
339
340
339
338
336
337
338
339
337
333
327
323
320
319
315
312
311
310
309

Wednesday 16

Waxing Crescent 39%

14:50

20:51

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

Sun - Rise: 06:54, Set: 19:26, Transit: 13:10. Moon - Rise: 14:50, Set: 20:51. Civil Dark: 20:02 - 06:20. Nautical Dark: 20:43 - 05:39. Astro Dark: 21:27 - 04:56

Total Clouds (% Sky Obscured)

94
93
95
97
100
98
96
93
96
98
100
94
88
83
80
79
77
83
88
94
88
82
75
80

Low Clouds (% Sky Obscured)

67
64
71
78
84
80
77
73
82
91
100
87
74
61
63
65
68
75
80
86
84
80
75
80

Medium Clouds (% Sky Obscured)

94
93
95
97
52
40
70
93
14
22
20
0
0
1
2
3
5
4
3
2
1
0
0
0

High Clouds (% Sky Obscured)

34
25
38
68
96
67
33
5
5
5
6
18
12
7
13
22
29
21
12
2
2
2
3
11

ISS Passover

Visibility (miles)

9
9
9
9
7
5
5
4
4
3
3
5
7
8
9
9
9
9
9
8
7
8
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

4
5
20
37
42
40
58
81
91
86
71
63
55
59
43
34
35
26
29
35
28
26
26
25

Precipitation Amount (mm)

0
0
0
0
0.3
0.2
0.4
0.6
0.6
0.8
0.5
0.4
0.3
0.5
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
9
11
12
13
14
14
15
15
17
18
18
19
19
20
18
17
15
16
16
16
15
14
13

Chance of Frost

Temperature (°C)

14
14
14
14
14
14
14
14
14
15
15
15
15
14
14
14
14
14
14
14
15
15
15
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
69
69
79
89
89
92
90
96
95
90
89
86
83
80
76
71
69
71
75
78
76
75
74

Pressure (mb)

1019
1018
1018
1017
1016
1016
1015
1014
1013
1012
1012
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

307
306
310
310
311
312
311
308
308
308
309
309
310
312
313
314
315
316
315
313
312
311
311
310

Thursday 17

Waxing Crescent 49%

15:50

21:25

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

Sun - Rise: 06:56, Set: 19:24, Transit: 13:10. Moon - Rise: 15:50, Set: 21:25. Civil Dark: 19:58 - 06:22. Nautical Dark: 20:41 - 05:41. Astro Dark: 21:24 - 04:58

Total Clouds (% Sky Obscured)

85
90
91
92
94
96
99
100
100
99
99
96
94
90
92
94
97
97
98
99
99
99
99
99

Low Clouds (% Sky Obscured)

82
86
85
84
82
82
79
76
76
76
76
79
81
79
79
81
83
82
80
80
77
74
72
79

Medium Clouds (% Sky Obscured)

1
2
2
3
4
3
2
1
7
13
19
18
17
16
20
27
30
34
34
38
36
35
33
33

High Clouds (% Sky Obscured)

24
48
57
62
62
62
67
67
48
27
10
11
13
14
24
35
41
41
41
34
48
69
94
80

ISS Passover

Visibility (miles)

9
8
8
7
7
7
6
5
4
6
7
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

31
37
35
36
38
39
45
54
48
43
39
30
23
22
20
19
16
14
17
29
23
25
32
28

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.2
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
14
15
14
13
13
13
13
13
12
12
11
12
13
14
14
15
16
16
16
17
17
18
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
11
11
11
11
11
11
11
11
11
11
11
12
12
12
11
11
12
12
13
12
13
12

Relative Humidity (%)

76
79
80
82
83
84
84
86
87
87
87
86
86
84
84
80
77
74
75
77
79
79
81
80

Pressure (mb)

1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1013
1013
1013
1012
1011
1011
1010
1010

Ozone (du)

311
311
311
312
313
314
313
313
312
312
311
311
310
308
307
307
306
306
305
303
302
302
301
301

Friday 18

First Quarter 59%

16:37

22:11

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

Sun - Rise: 06:58, Set: 19:21, Transit: 13:09. Moon - Rise: 16:37, Set: 22:11. Civil Dark: 19:55 - 06:24. Nautical Dark: 20:38 - 05:43. Astro Dark: 21:21 - 05:00

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
89
79
71
76
80
83
77
70
64

Low Clouds (% Sky Obscured)

87
92
83
75
67
73
79
85
79
74
69
73
80
83
68
51
34

Medium Clouds (% Sky Obscured)

30
28
36
40
47
57
68
78
80
79
71
76
78
69
68
66
64

High Clouds (% Sky Obscured)

64
46
64
82
100
99
97
96
68
43
26
19
13
9
9
9
8

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

34
45
39
40
52
52
61
73
61
55
62
60
64
71
58
48
41

Precipitation Amount (mm)

0
0
0
0
0.3
0.2
0.2
0.4
0.2
0.2
0.4
0.3
0.4
0.5
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
15
15
15
15
15
15
15
15
15
15
14
14
14
14
14
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
83
83
85
86
86
89
92
96
93
92
90
87
86
82
80
78

Pressure (mb)

1010
1009
1009
1009
1008
1008
1007
1007
1006
1006
1007
1007
1007
1008
1008
1009
1009

Ozone (du)

300
300
299
299
298
298
300
302
304
308
311
314
321
327
334
336
339

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

Generated: 12/09/26 20:11:59. Forecast: 12/09/26 to 18/09/26. Timezone: UTC+1.00