Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 9

Waning Crescent 1%

05:39

19:08

17 OK
18 OK
19 OK
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

Sun - Rise: 06:43, Set: 19:45, Transit: 13:13. Moon - Rise: 05:39, Set: 19:08. Civil Dark: 20:20 - 06:08. Nautical Dark: 21:02 - 05:26. Astro Dark: 21:47 - 04:41

Total Clouds (% Sky Obscured)

38
33
45
85
100
100
100
100
100
100
100
100
97
94
96
99
85
95
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

26
23
22
24
22
19
3
7
9
17
32
54
76
53
83
91
76
92
88
97
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
23
25
100
95
59
70
56
21
78
84
62
98
57
19
52

High Clouds (% Sky Obscured)

2
33
45
53
100
100
100
100
100
100
100
100
30
30
30
0
0
1
36
100
100
100
100
94

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
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
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
1
4
8
2
2
5
13
19
35
37
34
47
74

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
0.3

Wind Speed/Direction (mph)

7
5
6
4
4
4
5
5
5
6
7
5
6
7
7
8
9
12
14
14
16
17
18
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
70
79
81
83
83
84
87
87
87
78
76
76
75
84
80
79
78
82
86
87
92
90
89

Pressure (mb)

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

Ozone (du)

318
315
314
312
309
308
308
307
306
305
304
306
309
313
314
315
316
314
311
307
304
303
303
302

Thursday 10

Waning Crescent 0%

07:04

19:21

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
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:44, Set: 19:42, Transit: 13:12. Moon - Rise: 07:04, Set: 19:21. Civil Dark: 20:17 - 06:10. Nautical Dark: 20:59 - 05:28. Astro Dark: 21:44 - 04:43

Total Clouds (% Sky Obscured)

100
100
77
98
88
87
88
89
90
86
53
45
39
60
68
82
100
100
100
100
51
56
70
73

Low Clouds (% Sky Obscured)

100
96
67
96
81
78
82
83
83
86
47
41
39
36
37
58
59
71
74
53
43
48
25
21

Medium Clouds (% Sky Obscured)

10
14
4
5
5
6
7
5
7
0
2
1
0
0
0
0
0
0
0
0
4
0
0
0

High Clouds (% Sky Obscured)

98
100
10
0
0
0
0
0
0
0
0
0
0
60
68
77
100
100
100
100
5
7
47
46

ISS Passover

Visibility (miles)

8
9
3
9
9
9
7
8
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
95
49
44
47
56
53
42
38
16
17
6
12
10
13
11
2
12
3
1
0
0
0
0

Precipitation Amount (mm)

0.6
1.1
0
0
0.2
0.4
0.4
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
95
96
92
93
93
90
89
90
92
90
90
90
90
89
90
87
85
83
78
74
72
72
72

Pressure (mb)

1012
1011
1011
1012
1012
1012
1013
1013
1014
1014
1015
1015
1016
1017
1018
1018
1019
1020
1021
1021
1022
1022
1022
1023

Ozone (du)

304
306
310
313
314
318
316
316
315
315
315
315
314
313
310
309
307
306
305
303
303
302
300
298

Friday 11

New Moon 2%

08:25

19:32

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

Sun - Rise: 06:46, Set: 19:40, Transit: 13:12. Moon - Rise: 08:25, Set: 19:32. Civil Dark: 20:15 - 06:12. Nautical Dark: 20:56 - 05:30. Astro Dark: 21:41 - 04:46

Total Clouds (% Sky Obscured)

68
59
27
10
28
35
30
73
43
50
27
78
78
96
95
89
91
95
100
95
93
92
91
93

Low Clouds (% Sky Obscured)

17
16
17
3
3
6
0
0
0
0
0
28
23
45
91
87
89
93
92
84
85
84
84
89

Medium Clouds (% Sky Obscured)

0
0
0
0
0
3
7
17
11
13
9
3
4
17
15
89
77
77
30
16
11
9
8
6

High Clouds (% Sky Obscured)

54
55
8
6
28
33
25
25
27
21
2
9
4
9
5
2
3
63
94
11
18
16
20
21

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
7
6
6
1
1
1
9

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
2
7
21
23
37
58
51
56
76
80
49
29
37
47

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.2
0.3
0.6
0.9
0.3
0
0
0

Wind Speed/Direction (mph)

5
4
4
3
4
4
5
5
6
6
6
7
8
9
10
11
12
14
16
17
17
17
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
74
82
84
86
88
90
90
91
91
93
95
93
92
90
90
92
92
92
95
98
98
96
95

Pressure (mb)

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

Ozone (du)

296
294
294
294
293
291
290
289
290
290
292
293
293
294
293
294
297
297
297
298
298
297
297
297

Saturday 12

Waxing Crescent 7%

09:45

19:43

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 OK
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:48, Set: 19:38, Transit: 13:12. Moon - Rise: 09:45, Set: 19:43. Civil Dark: 20:12 - 06:13. Nautical Dark: 20:54 - 05:32. Astro Dark: 21:38 - 04:48

Total Clouds (% Sky Obscured)

97
100
100
100
100
100
100
100
87
100
100
99
98
97
91
84
68
85
87
78
41
97
79
93

Low Clouds (% Sky Obscured)

95
100
100
100
100
97
95
93
87
98
100
98
97
95
89
82
68
76
76
69
41
61
52
52

Medium Clouds (% Sky Obscured)

7
10
13
13
9
14
52
100
18
44
94
99
98
96
84
70
4
0
0
0
2
0
0
5

High Clouds (% Sky Obscured)

25
37
34
40
45
63
82
100
62
64
46
41
32
31
5
3
2
64
67
61
24
93
77
92

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

30
27
26
39
46
51
72
95
76
86
95
90
72
61
48
29
32
14
8
12
5
4
2
3

Precipitation Amount (mm)

0
0
0
0
0
0
0.4
0.6
0.4
0.7
1.4
0.8
0.5
0.4
0.3
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
17
16
16
14
13
13
13
13
12
11
10
9
9
8
7
7
6
8
8
9
8
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
90
93
96
95
95
95
95
96
96
96
96
95
92
92
87
82
77
73
73
71
72
71

Pressure (mb)

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

Ozone (du)

298
299
300
299
298
300
301
304
305
305
304
306
309
312
313
313
308
305
303
303
301
298
295
293

Sunday 13

Waxing Crescent 13%

11:05

19:55

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
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:49, Set: 19:35, 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
100
100
99
98
95
93
89
84
79
82
86
89
86
83
82
78
75
72
78
81
80
83

Low Clouds (% Sky Obscured)

59
62
63
75
67
76
82
87
84
81
78
82
85
89
79
74
70
65
59
62
69
71
74
73

Medium Clouds (% Sky Obscured)

99
62
98
100
60
6
9
4
5
5
4
4
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

97
96
96
96
97
85
72
60
43
22
6
3
2
0
2
2
2
3
4
4
8
9
10
8

ISS Passover

Visibility (miles)

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

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 (%)

2
1
0
1
0
0
1
4
2
7
6
18
21
31
30
37
46
37
35
40
35
34
41
28

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
6
5
6
6
6
5
6
6
5
5
6
6
6
6
10
11
13
14
15
15
15
15
15

Chance of Frost

Temperature (°C)

17
17
16
15
16
15
14
15
15
16
16
16
17
17
17
18
18
19
19
19
20
20
20
20

Feels Like (°C)

17
17
16
14
15
14
14
14
14
15
16
16
16
17
17
17
17
17
18
18
18
20
19
18

Dew Point (°C)

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

Relative Humidity (%)

71
78
79
79
78
83
87
87
90
86
87
90
95
96
96
96
95
96
93
93
91
91
91
89

Pressure (mb)

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

Ozone (du)

293
292
290
287
285
283
282
280
279
277
276
277
276
277
278
278
278
278
279
279
279
280
281
281

Monday 14

Waxing Crescent 21%

12:24

20:09

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
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:51, Set: 19:33, 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)

86
87
93
96
99
93
86
81
72
77
77
79
77
75
69
61
52
61
71
83
86
89
92
81

Low Clouds (% Sky Obscured)

72
64
79
90
98
87
81
75
67
68
62
67
72
75
69
61
49
44
45
47
51
54
57
49

Medium Clouds (% Sky Obscured)

0
0
2
4
6
14
17
16
17
19
20
21
23
24
20
16
12
29
44
61
63
66
68
72

High Clouds (% Sky Obscured)

7
5
12
17
18
37
59
81
59
36
12
11
12
13
11
9
7
17
28
34
37
38
34
25

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
6
4

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

Precipitation Probability (%)

26
35
20
13
23
26
32
48
32
28
39
34
27
27
16
15
35
22
14
16
30
48
59
72

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
92
95
92
92
90
92
93
95
95
95
95
93
93
93
92
89
86
82
77
73
76
78
80

Pressure (mb)

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

Ozone (du)

283
285
287
288
289
290
289
287
286
285
284
283
282
282
281
281
280
280
279
279
279
280
281
282

Tuesday 15

Waxing Crescent 19%

13:40

20:27

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

Sun - Rise: 06:53, Set: 19:31, 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)

70
57
57
58
61
60
65
72
76
81
85
81
78
75
84
92
98
96
94
92

Low Clouds (% Sky Obscured)

41
34
41
53
61
60
65
72
76
81
85
81
78
75
84
92
92
93
94
92

Medium Clouds (% Sky Obscured)

70
57
57
58
61
60
65
72
66
51
37
53
71
75
84
90
90
76
62
49

High Clouds (% Sky Obscured)

21
18
11
6
3
2
1
0
2
5
12
10
13
21
44
67
92
66
40
14

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

92
95
95
95
95
95
95
95
95
95
85
78
81
79
80
78
83
74
58
36

Precipitation Amount (mm)

0.6
1
1.3
1.2
1.3
1.5
1.7
1.6
0.8
0.5
0.5
0.3
0.4
0.5
0.4
0.4
0.6
0.5
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
21
21
18
19
19
19
19
19
17
17
16
17
16
16
15
15
15
15
14

Dew Point (°C)

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

Relative Humidity (%)

84
88
90
92
93
96
96
96
96
96
98
98
98
98
98
98
98
98
98
96

Pressure (mb)

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

Ozone (du)

284
286
289
293
297
301
303
305
307
308
308
309
309
310
310
312
314
317
317
318

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

Generated: 09/09/26 16:58:18. Forecast: 09/09/26 to 15/09/26. Timezone: UTC+1.00