Clear Outside v1.0 - International Weather Forecasts For Astronomers

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
64
56
53
51
66
78
86
84
80
95
93
93
88
90
93
93
90
94
97
93
100
99
100

Low Clouds (% Sky Obscured)

33
33
35
38
42
57
70
84
81
80
92
86
90
88
90
93
93
90
77
29
52
81
77
93

Medium Clouds (% Sky Obscured)

11
11
16
12
0
7
14
3
7
1
12
9
6
0
0
0
4
0
0
11
10
18
98
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
9
29
42
59
80
92
100
87
37

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

61
49
33
30
25
25
51
39
19
24
40
36
29
28
25
24
26
28
22
15
18
10
18
22

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
89
87
89
89
89
90
89
87
86
86
84
83
82
82
79
80
80
78
75
76
76
79

Pressure (mb)

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

Ozone (du)

344
344
345
347
349
347
344
343
346
344
343
341
336
332
326
322
319
316
311
308
307
305
304
304

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)

100
100
95
95
100
100
100
100
88
89
71
30
47
66
82
88
89
87
89
95
83
82
65
64

Low Clouds (% Sky Obscured)

96
56
60
84
98
94
100
100
83
83
71
24
40
50
82
88
89
85
85
87
68
66
65
64

Medium Clouds (% Sky Obscured)

90
97
14
21
21
23
100
100
88
89
0
0
0
5
5
7
5
5
6
8
3
3
1
2

High Clouds (% Sky Obscured)

100
100
29
44
47
45
100
35
21
22
5
0
0
0
0
0
0
0
3
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
7
3
0
0
0
3
9
9
9
9
9
9
9
9
9
9
9
9
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
Very Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

18
20
20
28
53
95
95
95
95
79
33
15
10
27
34
34
35
36
40
39
38
41
38
36

Precipitation Amount (mm)

0
0
0
0
0.3
1.3
2.4
2.5
0.8
0.6
0
0
0
0
0
0
0
0
0
0
0
0.3
0.2
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
10
10
10
10
10
10
10
11
11
11
11
11
10
10
9
9
9
9
9
9
9
10
9

Dew Point (°C)

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

Relative Humidity (%)

79
79
83
90
93
92
93
98
98
96
93
89
84
83
83
79
79
75
74
76
74
75
78
80

Pressure (mb)

1017
1016
1016
1015
1014
1013
1012
1011
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

299
300
302
303
301
300
300
305
308
309
312
314
315
317
317
315
314
312
311
310
309
310
310
311

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)

46
50
59
68
56
77
76
100
91
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

42
49
59
68
52
77
72
68
67
56
67
49
69
71
61
76
69
86
83
100
100
100
99
97

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
5
4
97
100
100
97
98
74
97
99
99
31
53

High Clouds (% Sky Obscured)

0
0
0
0
0
0
11
100
71
100
100
100
100
100
100
100
100
72
43
4
2
8
7
6

ISS Passover

Visibility (miles)

6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
3
4
1

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
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

30
28
29
20
24
23
16
17
10
17
23
22
17
17
15
28
43
27
22
95
95
91
62
63

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1.4
0.7
0.3
0.5

Wind Speed/Direction (mph)

19
18
17
16
16
15
15
14
14
14
13
13
13
15
15
14
17
17
17
18
17
16
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
82
83
83
83
86
84
84
84
86
86
87
89
87
86
85
83
82
83
81
92
96
96
98

Pressure (mb)

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

Ozone (du)

311
312
309
307
307
304
303
302
300
299
297
294
291
290
289
287
287
290
291
292
294
295
296
299

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 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)

98
97
96
94
93
94
94
94
90
85
81
81
86
93
95
96
89
73
100
86
100
92
75
74

Low Clouds (% Sky Obscured)

94
91
89
88
87
86
85
83
80
76
72
65
58
51
64
77
88
68
62
58
54
59
66
74

Medium Clouds (% Sky Obscured)

14
15
94
17
7
7
12
8
4
3
0
1
2
2
1
2
3
8
5
8
9
9
5
6

High Clouds (% Sky Obscured)

22
16
29
31
32
31
14
5
7
9
34
26
37
66
86
71
48
65
100
62
88
64
36
21

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
9
8
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

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

Precipitation Probability (%)

45
75
55
56
34
31
35
53
46
36
42
34
28
28
26
24
27
25
20
17
17
11
20
26

Precipitation Amount (mm)

0.2
0.7
0.3
0.3
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
98
100
100
98
98
98
98
96
92
89
87
85
86
86
82
78
77
82
85
86

Pressure (mb)

1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1012
1012
1013
1013
1014
1015
1015
1016
1016
1017
1017
1017
1018
1018

Ozone (du)

299
301
299
299
298
296
296
296
294
293
293
294
295
295
295
295
295
294
293
292
292
292
290
289

Saturday 19

Waxing Gibbous 56%

17:12

23:10

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: 06:59, Set: 19:19, Transit: 13:09. Moon - Rise: 17:12, Set: 23:10. Civil Dark: 19:53 - 06:25. Nautical Dark: 20:36 - 05:45. Astro Dark: 21:18 - 05:02

Total Clouds (% Sky Obscured)

91
72
75
97
91
97
98
99
98
98
97
98
99
100
100
99
99
95
90
82
88
93
99
84

Low Clouds (% Sky Obscured)

85
72
75
91
91
86
87
83
86
88
86
90
95
100
95
95
76
65
69
68
62
61
74
64

Medium Clouds (% Sky Obscured)

8
5
9
9
6
8
9
13
13
18
18
1
3
4
7
9
16
15
13
12
11
9
8
7

High Clouds (% Sky Obscured)

39
22
16
16
7
32
51
76
52
29
10
63
51
50
61
71
76
74
71
66
76
85
91
68

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 (%)

30
31
32
24
26
21
29
24
24
27
26
1
0
0
10
20
32
27
27
27
17
12
12
10

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)

11
12
12
13
15
15
14
14
11
11
11
10
5
5
7
6
7
7
7
8
9
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
85
87
87
89
90
90
84
84
86
86
86
83
80
78
75
74
72
74
74
74
78
80
84

Pressure (mb)

1019
1019
1020
1020
1021
1021
1021
1022
1022
1022
1023
1023
1025
1025
1026
1026
1027
1027
1027
1027
1027
1028
1028
1028

Ozone (du)

288
290
290
288
288
288
288
287
286
285
285
284
283
282
282
281
280
280
279
279
279
278
278
277

Sunday 20

Waxing Gibbous 68%

17:36

00:19

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: 07:01, Set: 19:16, Transit: 13:09. Moon - Rise: 17:36, Set: 00:19. Civil Dark: 19:50 - 06:27. Nautical Dark: 20:33 - 05:47. Astro Dark: 21:16 - 05:05

Total Clouds (% Sky Obscured)

68
53
47
42
41
42
63
71
81
88
94
95
96
97
94
92
91
82
74
67
65
61
59
62

Low Clouds (% Sky Obscured)

53
52
47
42
41
42
63
71
81
88
94
95
96
97
94
91
88
82
74
67
65
61
59
59

Medium Clouds (% Sky Obscured)

6
5
11
16
19
19
18
18
18
17
17
14
12
9
6
4
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

44
20
11
6
1
1
0
0
0
0
0
0
1
1
1
2
2
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 (%)

11
16
11
11
21
19
11
25
22
14
22
17
9
5
8
9
9
9
7
1
8
8
3
3

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
89
90
90
93
95
93
93
93
95
93
93
92
90
89
88
88
85
84
82
81
83
88
90

Pressure (mb)

1029
1029
1030
1030
1030
1030
1030
1030
1030
1031
1031
1031
1032
1032
1032
1033
1033
1033
1032
1032
1032
1032
1032
1032

Ozone (du)

277
277
276
277
278
278
278
277
277
276
276
275
275
274
274
273
273
272
272
271
270
270
271
271

Monday 21

Waxing Gibbous 77%

17:55

01:34

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: 07:03, Set: 19:14, Transit: 13:08. Moon - Rise: 17:55, Set: 01:34. Civil Dark: 19:48 - 06:29. Nautical Dark: 20:31 - 05:49. Astro Dark: 21:13 - 05:07

Total Clouds (% Sky Obscured)

65
65
77
80
81
86
89
95
94
94
94
94
94
93
96
98
100

Low Clouds (% Sky Obscured)

52
48
48
50
55
66
80
93
94
94
94
94
94
93
96
97
97

Medium Clouds (% Sky Obscured)

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
4
8
11
28
40
45

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
0
4
4
4
4
7
10
8
8
10
10
9
7
12
15
14

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
4
5
4
4
4
4
4
4
4
4
4
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
93
92
92
90
90
89
89
87
87
87
87
86
85
83
81

Pressure (mb)

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

Ozone (du)

272
273
275
274
274
274
273
273
272
271
271
270
270
269
269
270
270

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

Generated: 15/09/26 20:43:47. Forecast: 15/09/26 to 21/09/26. Timezone: UTC+1.00