Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 4

Waning Crescent 31%

00:24

16:34

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: 07:25, Set: 18:46, Transit: 13:04. Moon - Rise: 00:24, Set: 16:34. Civil Dark: 19:20 - 06:51. Nautical Dark: 19:59 - 06:11. Astro Dark: 20:39 - 05:31

Total Clouds (% Sky Obscured)

99
99
100
100
100
100
100
100
100
98
99
97
97
100
100
100
99
100
100
100
100
99
96
97

Low Clouds (% Sky Obscured)

75
75
78
70
72
67
64
80
92
86
90
97
97
99
99
99
89
96
90
94
85
86
85
90

Medium Clouds (% Sky Obscured)

8
34
33
35
31
33
31
19
21
5
15
15
21
23
20
26
35
48
36
27
30
30
21
19

High Clouds (% Sky Obscured)

81
99
100
100
99
100
100
99
100
91
94
47
56
100
79
97
96
100
94
99
100
72
45
53

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
7
3
5
9
9
9
9
9
9
5
8
9
9
9
9
9

Fog (%)

0
1
1
0
0
0
0
0
0
0
1
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 (%)

1
5
7
17
0
1
13
3
6
5
6
6
6
4
6
4
6
4
7
19
6
18
11
21

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
85
86
87
93
96
96
95
96
96
98
95
95
95
95
96
95
96
95
93
92
87
88
85

Pressure (mb)

1029
1028
1028
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024

Ozone (du)

281
281
280
278
277
275
274
274
274
273
272
271
271
270
269
268
268
268
268
267
266
266
266
267

Monday 5

Waning Crescent 20%

01:53

16:58

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: 07:26, Set: 18:43, Transit: 13:04. Moon - Rise: 01:53, Set: 16:58. Civil Dark: 19:17 - 06:53. Nautical Dark: 19:57 - 06:13. Astro Dark: 20:37 - 05:33

Total Clouds (% Sky Obscured)

96
98
96
95
90
93
86
92
97
96
98
97
96
96
99
87
77
71
71
77
79
62
45
54

Low Clouds (% Sky Obscured)

87
91
88
87
81
91
84
85
92
92
94
93
92
92
97
83
75
70
71
65
75
58
45
51

Medium Clouds (% Sky Obscured)

24
24
25
26
20
16
22
22
24
23
24
26
20
23
25
26
22
2
3
18
15
18
16
15

High Clouds (% Sky Obscured)

35
6
7
7
5
15
5
5
6
0
1
1
6
3
5
5
3
5
2
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
5
2
2
1
1
2
3
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
1
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 (%)

21
11
21
18
14
18
21
26
23
26
19
18
18
17
15
18
18
14
14
17
16
23
31
31

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)

16
15
14
13
12
12
11
11
10
9
8
8
8
7
8
7
7
6
6
6
6
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
86
88
90
90
92
93
95
93
95
96
96
96
98
98
98
96
93
92
90
85
82
79
79

Pressure (mb)

1024
1023
1023
1022
1022
1023
1022
1022
1022
1022
1022
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019

Ozone (du)

267
267
267
267
267
267
267
268
268
270
272
273
273
274
276
277
279
280
282
285
288
289
290
294

Tuesday 6

Waning Crescent 12%

03:19

17:15

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: 07:28, Set: 18:41, Transit: 13:04. Moon - Rise: 03:19, Set: 17:15. Civil Dark: 19:15 - 06:54. Nautical Dark: 19:54 - 06:15. Astro Dark: 20:35 - 05:35

Total Clouds (% Sky Obscured)

46
48
45
96
100
100
100
100
100
100
100
100
100
100
55
55
65
57
57
53
62
75
85
75

Low Clouds (% Sky Obscured)

46
48
45
58
69
70
66
65
66
56
72
80
81
37
25
25
45
49
49
49
58
70
63
66

Medium Clouds (% Sky Obscured)

4
3
9
18
13
20
19
25
28
24
67
96
94
82
55
55
62
57
57
53
56
9
16
13

High Clouds (% Sky Obscured)

0
0
7
86
100
100
100
100
100
100
100
100
100
100
55
55
65
57
57
53
50
50
41
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
6
9
9
9
9

Fog (%)

0
0
0
0
0
1
0
8
20
10
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
Very Light Rain
Light Rain
None
None
None
None
None

Precipitation Probability (%)

28
17
11
9
6
11
18
22
40
49
36
16
13
25
17
13
28
56
69
38
10
11
11
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
4
3
3
2
3
3
4
5
5
5
5
6
8
8
9
9
9
8
7
9
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
19
19
19
16
15
14
14
14
13
12
12
12
12
12
11
10
10
10
10
11
10
9
9

Dew Point (°C)

14
14
13
14
14
13
13
13
13
12
12
12
12
12
12
12
11
11
11
11
11
9
8
7

Relative Humidity (%)

79
79
79
82
89
90
92
92
93
90
90
92
93
93
93
93
90
92
92
93
93
81
76
69

Pressure (mb)

1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1019
1019
1019

Ozone (du)

296
298
298
298
297
296
298
299
299
298
299
298
296
293
288
288
295
302
305
306
306
308
310
314

Wednesday 7

Waning Crescent 6%

04:43

17:28

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: 07:30, Set: 18:39, Transit: 13:03. Moon - Rise: 04:43, Set: 17:28. Civil Dark: 19:13 - 06:56. Nautical Dark: 19:52 - 06:17. Astro Dark: 20:32 - 05:37

Total Clouds (% Sky Obscured)

53
50
54
55
58
54
47
44
40
38
44
48
51
48
48
51
70
66
67
65
76
87
97
98

Low Clouds (% Sky Obscured)

38
37
45
44
49
43
46
39
38
32
36
43
47
45
45
49
52
55
57
52
60
68
72
78

Medium Clouds (% Sky Obscured)

9
6
8
8
9
9
9
9
8
9
8
5
3
0
0
0
0
0
67
39
8
70
70
12

High Clouds (% Sky Obscured)

0
0
0
5
3
6
0
0
0
4
3
3
3
2
2
2
35
28
35
44
51
78
90
90

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 (%)

12
14
17
26
35
34
35
34
31
30
28
32
29
30
31
36
32
37
33
32
30
28
21
27

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
61
62
66
72
76
78
78
77
78
80
82
81
81
81
81
83
83
84
83
81
79
79
76

Pressure (mb)

1018
1018
1018
1018
1019
1019
1020
1020
1020
1021
1021
1021
1021
1021
1022
1022
1022
1023
1023
1024
1025
1025
1025
1025

Ozone (du)

322
317
315
312
308
306
304
303
301
299
299
298
297
295
293
291
289
288
286
284
281
278
275
275

Thursday 8

Waning Crescent 2%

06:03

17:39

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: 07:32, Set: 18:37, Transit: 13:03. Moon - Rise: 06:03, Set: 17:39. Civil Dark: 19:11 - 06:58. Nautical Dark: 19:50 - 06:18. Astro Dark: 20:30 - 05:38

Total Clouds (% Sky Obscured)

98
98
97
96
95
97
98
100
100
100
100
100
100
100
100
100
100
99
98
97
95
94
94
98

Low Clouds (% Sky Obscured)

79
77
73
68
62
66
67
71
80
90
100
96
92
89
94
97
100
96
93
90
89
94
91
94

Medium Clouds (% Sky Obscured)

67
92
93
95
95
97
96
97
98
99
100
100
99
99
99
99
99
96
93
92
88
84
85
74

High Clouds (% Sky Obscured)

90
90
72
55
32
55
79
100
83
83
100
94
93
95
92
81
67
44
44
70
74
77
76
57

ISS Passover

Visibility (miles)

9
9
9
9
7
4
2
3
2
2
3
7
6
5
4
5
6
7
5
3
0
0
0
0

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

Precipitation Probability (%)

22
10
35
54
73
95
95
95
95
95
71
71
60
51
55
88
95
94
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0.3
0.5
1.4
1.8
1.7
1.5
1.4
0.6
0.3
0.3
0.2
0
0.6
0.9
0.6
0.7
1
0.9
1.5
2
0.9

Wind Speed/Direction (mph)

12
13
12
13
14
14
13
15
17
18
18
18
19
20
21
22
23
24
23
22
21
21
21
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
79
79
81
86
90
95
93
93
95
95
96
95
96
96
96
96
96
96
98
98
98
96
96

Pressure (mb)

1025
1025
1024
1024
1024
1024
1023
1023
1022
1022
1021
1020
1019
1018
1018
1017
1016
1015
1015
1015
1014
1014
1014
1014

Ozone (du)

274
273
271
270
269
269
269
269
268
266
265
264
263
263
262
263
263
264
265
266
266
268
271
273

Friday 9

Waning Crescent 0%

07:23

17:50

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: 07:33, Set: 18:34, Transit: 13:03. Moon - Rise: 07:23, Set: 17:50. Civil Dark: 19:08 - 06:59. Nautical Dark: 19:48 - 06:20. Astro Dark: 20:28 - 05:40

Total Clouds (% Sky Obscured)

98
98
70
44
24
32
38
36
47
63
80
83
84
86
84
84
86
86
87
87
89
88
87
85

Low Clouds (% Sky Obscured)

96
97
70
44
20
26
31
34
41
49
54
65
74
82
80
78
74
76
77
77
71
67
68
66

Medium Clouds (% Sky Obscured)

63
49
35
24
15
10
6
1
5
8
11
8
5
2
6
11
18
18
18
20
20
18
13
14

High Clouds (% Sky Obscured)

28
0
0
0
0
0
0
0
1
1
2
2
1
0
0
1
1
1
2
2
1
1
2
2

ISS Passover

Visibility (miles)

3
6
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

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

Precipitation Probability (%)

91
84
54
36
27
26
28
28
24
23
20
16
19
25
22
21
23
25
32
38
36
36
38
38

Precipitation Amount (mm)

0.8
0.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
9
9
9
9
9
9
9
10
10
10
9
7
7
7
7
6
6
6
5
5
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

95
90
87
84
83
81
80
80
80
80
79
79
75
71
67
66
66
66
65
64
63
64
64
65

Pressure (mb)

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

Ozone (du)

275
277
280
282
284
286
289
292
296
296
297
298
298
299
299
298
297
296
298
299
300
301
301
302

Saturday 10

New Moon 1%

08:42

18:02

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

Sun - Rise: 07:35, Set: 18:32, Transit: 13:02. Moon - Rise: 08:42, Set: 18:02. Civil Dark: 19:06 - 07:01. Nautical Dark: 19:45 - 06:22. Astro Dark: 20:25 - 05:42

Total Clouds (% Sky Obscured)

85
85
80
77
75
73
70
67
74
82
89
90
93
97
96
94
94

Low Clouds (% Sky Obscured)

65
63
54
48
52
58
66
67
72
75
77
72
68
63
57
51
44

Medium Clouds (% Sky Obscured)

15
16
12
13
12
10
5
0
5
11
13
13
15
14
22
24
28

High Clouds (% Sky Obscured)

2
2
15
33
43
35
31
27
32
30
27
32
49
55
35
35
35

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

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

Precipitation Probability (%)

44
50
46
48
53
47
43
42
38
38
40
34
36
44
39
37
35

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
7
7
7
7
8
8
8
8
9
8
7
8
8
8
7

Dew Point (°C)

7
7
8
8
8
8
9
8
9
9
9
9
9
9
9
9
9

Relative Humidity (%)

69
70
74
74
74
74
76
76
77
80
81
83
84
84
84
86
85

Pressure (mb)

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

Ozone (du)

302
302
303
303
304
304
304
304
304
303
301
299
299
298
297
294
291

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

Generated: 04/10/26 14:15:30. Forecast: 04/10/26 to 10/10/26. Timezone: UTC+1.00