Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 25

Waxing Gibbous 99%

18:31

05:28

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:08, Set: 19:07, Transit: 13:07. Moon - Rise: 18:31, Set: 05:28. Civil Dark: 19:41 - 06:34. Nautical Dark: 20:21 - 05:54. Astro Dark: 21:02 - 05:12

Total Clouds (% Sky Obscured)

73
73
83
89
100
100
100
100
100
98
100
99
100
100
100
100
100
100
100
100
80
59
53
50

Low Clouds (% Sky Obscured)

69
73
83
89
100
100
100
100
30
10
10
10
10
10
36
46
40
33
39
40
34
33
30
39

Medium Clouds (% Sky Obscured)

0
0
25
42
31
44
41
45
40
39
40
96
99
100
100
100
100
100
54
11
0
0
0
0

High Clouds (% Sky Obscured)

0
40
83
89
61
83
56
59
49
40
43
92
100
87
88
100
100
100
100
100
53
55
53
3

ISS Passover

Visibility (miles)

9
9
9
9
9
7
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
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

6
10
14
42
71
49
28
6
3
2
3
4
19
37
34
8
2
0
0
0
0
2
1
0

Precipitation Amount (mm)

0
0
0
0
0.6
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
7
7
6
7
8
8
4
5
5
7
5
5
5
3
1
2
3
4
4
5
6
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
92
89
89
89
93
92
87
86
83
79
78
80
78
80
84
84
86
89
92
90
90
89
90

Pressure (mb)

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

Ozone (du)

287
286
285
285
284
284
286
286
286
285
284
283
281
281
283
287
290
292
294
298
303
306
310
311

Saturday 26

Full Moon 100%

18:42

06:48

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
20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
02 Good

Sun - Rise: 07:09, Set: 19:05, Transit: 13:07. Moon - Rise: 18:42, Set: 06:48. Civil Dark: 19:38 - 06:36. Nautical Dark: 20:18 - 05:56. Astro Dark: 21:00 - 05:14

Total Clouds (% Sky Obscured)

60
73
73
48
62
68
77
75
63
41
40
37
35
33
52
42
29
19
22
21
25
18
14
0

Low Clouds (% Sky Obscured)

45
38
45
48
62
68
70
60
43
33
32
29
27
23
37
42
29
19
22
21
25
18
14
0

Medium Clouds (% Sky Obscured)

2
12
10
0
3
11
17
20
19
20
20
16
14
17
19
6
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

40
55
49
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
2
1
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
3
6
7
12
14
24
27
27
22
16
22
27
23
21
16
2
5
2
0
2
1
1

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)

8
8
8
8
8
8
8
9
11
13
13
12
12
12
11
8
8
8
7
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
90
90
93
90
87
83
78
74
74
75
75
79
85
89
90
90
92
90
90
90
87

Pressure (mb)

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

Ozone (du)

311
310
312
313
315
315
315
315
313
311
310
309
308
308
306
306
306
305
304
303
302
302
302
302

Sunday 27

Waning Gibbous 98%

18:54

08:10

03 Good
04 OK
05 OK
06 Good
07 OK
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
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

Sun - Rise: 07:11, Set: 19:02, Transit: 13:07. Moon - Rise: 18:54, Set: 08:10. Civil Dark: 19:36 - 06:37. Nautical Dark: 20:16 - 05:57. Astro Dark: 20:57 - 05:16

Total Clouds (% Sky Obscured)

2
20
29
9
30
51
93
100
99
65
98
100
100
100
100
100
100
100
100
100
100
99
99
100

Low Clouds (% Sky Obscured)

2
9
5
0
0
0
0
36
37
28
63
56
86
77
79
83
77
78
30
54
52
48
34
33

Medium Clouds (% Sky Obscured)

0
11
20
6
14
25
22
29
48
24
73
100
100
98
97
84
87
75
75
0
6
46
87
94

High Clouds (% Sky Obscured)

0
0
0
3
1
4
55
95
97
38
94
100
95
100
100
100
100
100
100
99
100
98
98
99

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
2
4
6
3
9
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
2
2
9
37
52
38
26
63
95
95
95
95
91
56
13
8
5
0
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
1.3
1.8
1.6
1.2
0.9
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
6
7
7
7
7
8
8
10
12
13
14
13
9
7
8
7
8
6
5
5
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
88
87
88
87
81
71
61
61
62
64
66
81
95
95
96
96
96
93
93
93
93
93

Pressure (mb)

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

Ozone (du)

303
304
305
305
304
305
305
305
305
304
307
309
305
303
300
298
299
300
301
303
303
304
305
305

Monday 28

Waning Gibbous 93%

19:09

09:35

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

Sun - Rise: 07:13, Set: 19:00, Transit: 13:06. Moon - Rise: 19:09, Set: 09:35. Civil Dark: 19:34 - 06:39. Nautical Dark: 20:13 - 05:59. Astro Dark: 20:54 - 05:18

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
88
77
65
65
65
63
59
29
47
32
42
13
32
25
31
51
76

Low Clouds (% Sky Obscured)

33
31
27
27
24
25
23
31
38
50
60
56
58
50
25
20
28
37
13
4
21
27
36
23

Medium Clouds (% Sky Obscured)

91
90
83
70
70
75
68
73
45
65
1
0
0
0
0
0
0
0
0
0
0
0
8
19

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
83
73
60
65
65
63
59
8
47
22
4
9
32
6
10
26
74

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 (%)

0
0
0
0
0
0
0
2
2
12
4
15
0
1
13
0
0
0
0
0
0
0
11
20

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)

3
2
2
2
2
1
2
2
2
1
2
2
3
5
4
4
5
7
8
9
10
10
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
93
92
92
92
90
92
89
86
83
79
78
79
81
79
82
85
84
83
87
89
84
86
89

Pressure (mb)

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

Ozone (du)

307
308
309
311
313
313
314
315
316
317
317
318
320
321
319
316
314
313
314
313
313
312
312
312

Tuesday 29

Waning Gibbous 93%

19:29

11:04

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:14, Set: 18:57, Transit: 13:06. Moon - Rise: 19:29, Set: 11:04. Civil Dark: 19:31 - 06:41. Nautical Dark: 20:11 - 06:01. Astro Dark: 20:52 - 05:20

Total Clouds (% Sky Obscured)

83
97
98
99
99
100
100
100
100
100
100
90
67
96
93
61
59
77
98
99
99
100
100
100

Low Clouds (% Sky Obscured)

33
30
42
50
60
60
26
16
25
18
33
37
36
41
43
46
23
24
24
33
42
52
60
72

Medium Clouds (% Sky Obscured)

28
28
65
32
31
21
60
19
14
11
14
21
20
20
20
20
33
41
48
65
83
100
100
99

High Clouds (% Sky Obscured)

82
84
66
66
76
89
100
100
100
100
99
65
60
92
89
42
48
74
97
98
99
100
100
100

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
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
Very Light Rain

Precipitation Probability (%)

27
26
25
30
35
33
30
22
20
6
5
4
5
13
21
11
3
4
4
16
25
21
55
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)

10
10
12
11
10
11
11
11
11
11
12
13
13
14
17
17
17
19
19
20
20
21
21
21

Chance of Frost

Temperature (°C)

14
14
15
16
16
17
17
18
19
20
21
21
21
21
20
19
19
19
19
19
19
20
20
19

Feels Like (°C)

12
13
13
14
16
16
17
18
19
20
20
19
20
21
17
16
16
16
16
16
15
15
15
16

Dew Point (°C)

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

Relative Humidity (%)

92
93
93
92
90
89
89
86
81
78
75
73
69
72
76
76
75
76
77
78
77
75
71
77

Pressure (mb)

1013
1013
1012
1011
1011
1011
1010
1010
1010
1010
1009
1009
1009
1008
1008
1008
1009
1008
1007
1007
1007
1006
1006
1006

Ozone (du)

311
310
308
305
304
303
302
303
303
302
302
303
304
301
300
299
297
296
296
295
295
295
294
294

Wednesday 30

Waning Gibbous 86%

19:57

12:33

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:16, Set: 18:55, Transit: 13:06. Moon - Rise: 19:57, Set: 12:33. Civil Dark: 19:29 - 06:42. Nautical Dark: 20:09 - 06:03. Astro Dark: 20:49 - 05:22

Total Clouds (% Sky Obscured)

100
99
99
98
96
93
90
74
59
43
51
58
63
54
50
45
41
40
40
48
57
64
60
55

Low Clouds (% Sky Obscured)

84
87
90
93
87
79
67
54
45
40
39
37
33
34
33
37
39
40
40
46
46
48
44
40

Medium Clouds (% Sky Obscured)

99
99
98
97
94
92
90
60
31
1
4
7
9
5
3
1
0
0
0
2
5
7
12
18

High Clouds (% Sky Obscured)

100
75
50
25
24
22
25
30
28
20
17
13
9
13
14
17
11
5
0
7
11
14
8
7

ISS Passover

Visibility (miles)

5
2
2
2
2
4
7
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
6
5

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

Precipitation Probability (%)

95
95
95
95
95
95
57
35
29
23
22
27
30
19
21
19
14
19
21
24
33
51
48
48

Precipitation Amount (mm)

0.6
0.8
1.1
1.2
1
0.9
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
88
92
93
96
95
92
89
82
74
69
70
72
72
74
78
79
83
87
90
90
93
93
95

Pressure (mb)

1005
1005
1005
1005
1005
1006
1006
1007
1007
1008
1008
1008
1008
1008
1009
1009
1010
1010
1010
1011
1011
1011
1012
1012

Ozone (du)

293
292
292
293
293
294
296
297
300
303
306
307
309
311
313
315
316
317
317
318
319
320
321
322

Thursday 1

Waning Gibbous 76%

20:39

13:58

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:18, Set: 18:53, Transit: 13:05. Moon - Rise: 20:39, Set: 13:58. Civil Dark: 19:27 - 06:44. Nautical Dark: 20:06 - 06:04. Astro Dark: 20:47 - 05:24

Total Clouds (% Sky Obscured)

51
60
68
76
84
92
100
100
100
100
97
97
95
95
95
94
84
77
71
76
83
87

Low Clouds (% Sky Obscured)

36
37
38
39
34
31
29
29
30
34
32
30
30
32
37
40
42
42
44
53
63
70

Medium Clouds (% Sky Obscured)

23
20
17
14
37
58
79
80
83
87
60
35
10
15
20
25
35
48
68
67
69
72

High Clouds (% Sky Obscured)

4
5
12
21
49
76
100
93
85
80
74
67
65
75
74
71
61
56
50
53
50
52

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

60
55
49
50
50
44
49
49
47
51
51
44
45
33
22
14
19
29
37
69
80
84

Precipitation Amount (mm)

0.4
0.2
0
0.2
0.2
0
0.2
0
0
0.2
0
0
0.2
0
0
0
0
0
0
0.3
0.5
0.7

Wind Speed/Direction (mph)

12
11
11
10
10
10
10
10
11
11
12
11
10
10
9
8
7
7
7
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
96
95
93
93
90
87
86
80
77
72
72
71
72
74
77
80
79
79
80
83
87

Pressure (mb)

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

Ozone (du)

322
323
324
324
324
326
329
331
330
330
329
328
326
324
322
321
320
319
319
319
321
323

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

Generated: 25/09/26 03:50:14. Forecast: 25/09/26 to 01/10/26. Timezone: UTC+1.00