Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 5

Waning Crescent 39%

23:47

17:11

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 OK
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:33, Set: 19:52, Transit: 13:12. Moon - Rise: 23:47, Set: 17:11. Civil Dark: 20:27 - 05:58. Nautical Dark: 21:10 - 05:15. Astro Dark: 21:56 - 04:28

Total Clouds (% Sky Obscured)

97
94
92
97
92
87
81
76
63
60
66
58
65
59
47
75
73
86
97
100
78
87
95
96

Low Clouds (% Sky Obscured)

77
83
82
77
79
80
72
61
50
48
39
26
22
20
0
0
14
27
68
68
38
55
59
55

Medium Clouds (% Sky Obscured)

0
0
0
0
4
64
18
25
13
8
14
12
15
10
12
58
68
54
78
86
78
87
89
96

High Clouds (% Sky Obscured)

20
72
83
84
62
38
3
1
1
2
6
15
21
10
9
15
29
13
36
16
1
0
4
60

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 (%)

26
17
24
0
1
0
1
5
1
1
0
0
0
0
0
0
0
0
0
0
0
2
11
50

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)

4
4
2
6
6
8
8
8
8
9
9
10
10
10
10
6
3
3
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
79
77
75
75
72
69
66
58
52
49
49
49
53
58
67
80
84
86
76
75
75
72
70

Pressure (mb)

1021
1022
1022
1023
1023
1024
1024
1024
1025
1025
1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1024
1024
1023
1023

Ozone (du)

307
306
303
302
301
300
299
297
297
296
297
296
293
291
289
287
286
285
285
284
285
286
286
288

Sunday 6

Waning Crescent 28%

01:09

17:57

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

Sun - Rise: 06:34, Set: 19:50, Transit: 13:12. Moon - Rise: 01:09, Set: 17:57. Civil Dark: 20:24 - 05:59. Nautical Dark: 21:07 - 05:17. Astro Dark: 21:53 - 04:31

Total Clouds (% Sky Obscured)

96
100
100
78
93
72
80
48
39
62
56
85
69
99
99
100
100
100
95
95
98
87
80
98

Low Clouds (% Sky Obscured)

36
42
34
4
0
0
0
2
6
4
12
23
25
21
29
29
17
24
59
74
95
87
74
89

Medium Clouds (% Sky Obscured)

96
99
99
78
86
42
80
48
39
0
0
0
0
0
0
100
94
100
14
16
4
0
0
16

High Clouds (% Sky Obscured)

76
100
100
44
57
46
0
1
30
55
41
77
60
96
99
100
100
100
67
30
0
1
18
47

ISS Passover

Visibility (miles)

9
9
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
1
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
28
73
75
60

Precipitation Type

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

Precipitation Probability (%)

67
74
55
10
3
2
2
1
0
0
0
0
0
0
0
0
0
1
4
6
10
17
17
12

Precipitation Amount (mm)

0
0.4
0.3
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
3
3
3
4
5
7
10
11
14
15
15
14
11
10
8
7
7
7
7
9
11
13

Chance of Frost

Temperature (°C)

12
12
12
12
13
15
16
18
19
21
22
22
22
22
21
20
18
17
16
16
16
16
16
16

Feels Like (°C)

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

Dew Point (°C)

8
9
11
11
12
12
10
8
8
8
9
10
10
11
12
12
11
12
14
15
16
15
15
14

Relative Humidity (%)

75
83
93
95
93
83
66
51
47
44
44
44
45
50
57
59
62
74
89
98
98
93
90
87

Pressure (mb)

1022
1022
1021
1021
1020
1020
1020
1019
1018
1018
1017
1016
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014

Ozone (du)

289
290
292
293
294
293
292
289
288
288
290
291
292
294
297
297
297
299
299
302
303
300
299
300

Monday 7

Waning Crescent 18%

02:40

18:28

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 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:36, Set: 19:47, Transit: 13:12. Moon - Rise: 02:40, Set: 18:28. Civil Dark: 20:22 - 06:01. Nautical Dark: 21:04 - 05:19. Astro Dark: 21:50 - 04:33

Total Clouds (% Sky Obscured)

100
100
99
100
100
100
100
100
97
86
75
69
64
61
65
59
24
47
67
57
33
34
35
33

Low Clouds (% Sky Obscured)

72
56
54
50
66
56
45
31
45
43
48
61
40
32
22
27
24
42
56
53
33
34
35
33

Medium Clouds (% Sky Obscured)

8
1
0
20
18
15
83
68
96
86
75
69
64
61
65
59
0
0
24
2
0
0
0
0

High Clouds (% Sky Obscured)

100
100
99
100
100
96
100
100
79
62
40
20
15
14
20
20
1
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

23
16
23
5
1
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 (%)

8
4
3
3
4
5
5
12
21
33
36
41
42
31
8
9
23
36
43
16
6
10
12
18

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
11
10
11
11
11
12
12
12
12
12
12
11
11
9
9
10
8
8
7
7
8
7

Dew Point (°C)

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

Relative Humidity (%)

92
96
93
92
87
75
63
59
59
56
56
61
71
69
70
73
82
90
92
96
91
93
91
90

Pressure (mb)

1013
1014
1014
1015
1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1013
1014
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

301
302
304
302
301
300
300
300
300
302
303
302
303
303
305
307
311
316
317
326
336
333
339
338

Tuesday 8

Waning Crescent 9%

No Rise

18:50

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
03 Bad

Sun - Rise: 06:38, Set: 19:45, Transit: 13:11. Moon - Rise: No Rise, Set: 18:50. Civil Dark: 20:20 - 06:03. Nautical Dark: 21:02 - 05:21. Astro Dark: 21:47 - 04:35

Total Clouds (% Sky Obscured)

41
63
69
68
52
43
38
33
28
41
59
73
55
39
28
34
39
49
53
63
85
80
66
50

Low Clouds (% Sky Obscured)

41
63
69
66
52
43
34
27
19
24
28
37
32
26
23
27
32
36
40
44
60
72
66
50

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
1
6
7
10
7
2
0
1
1
2
2
6
7
7
3
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
12
24
32
24
12
0
0
0
2
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 (%)

15
18
28
33
32
28
30
31
32
32
31
45
53
49
53
50
42
11
30
40
21
31
34
22

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
11
13
14
16
17
18
19
18
18
17
17
15
14
13
12
12
12
12
12
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
88
84
79
72
66
62
61
59
57
62
58
63
70
75
79
83
83
87
80
80
83

Pressure (mb)

1013
1013
1013
1012
1012
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1014
1014
1014
1014
1015
1015

Ozone (du)

337
336
335
336
336
334
334
336
341
345
348
348
348
343
343
342
341
339
339
338
339
335
334
331

Wednesday 9

Waning Crescent 4%

04:10

19:06

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
03 Bad

Sun - Rise: 06:39, Set: 19:43, Transit: 13:11. Moon - Rise: 04:10, Set: 19:06. Civil Dark: 20:17 - 06:05. Nautical Dark: 20:59 - 05:23. Astro Dark: 21:44 - 04:38

Total Clouds (% Sky Obscured)

55
60
65
94
97
99
99
100
100
100
99
99
99
100
100
100
100
100
100
100
99
99
99
99

Low Clouds (% Sky Obscured)

55
60
65
90
95
99
83
65
48
46
46
55
55
56
56
63
70
77
78
83
82
77
69
64

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
24
49
73
79
88
94
96
98
100
83
68
52
40
28
16

High Clouds (% Sky Obscured)

0
0
0
21
43
63
75
86
100
99
98
97
98
99
100
100
100
100
74
47
21
29
54
67

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
6
3

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

Precipitation Probability (%)

21
18
19
21
19
14
21
15
10
12
11
7
9
12
15
35
54
78
77
65
44
44
44
49

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
7
7
6
6
7
7
7
7
10
10
10
10
11
11
8
9
10
9
9
9
9
8

Dew Point (°C)

8
7
8
8
7
6
7
6
6
5
5
6
6
7
9
10
11
11
11
11
11
11
11
11

Relative Humidity (%)

81
78
81
83
77
71
67
63
59
53
54
54
55
63
72
83
89
92
96
96
96
96
95
96

Pressure (mb)

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

Ozone (du)

332
333
328
324
321
318
315
312
309
306
303
299
296
295
294
293
295
296
298
298
298
297
297
297

Thursday 10

Waning Crescent 1%

05:38

19:18

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
03 Bad

Sun - Rise: 06:41, Set: 19:40, Transit: 13:11. Moon - Rise: 05:38, Set: 19:18. Civil Dark: 20:15 - 06:06. Nautical Dark: 20:56 - 05:25. Astro Dark: 21:41 - 04:40

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
100
99
99
97
98
99
100
94
89
83
85
86
88

Low Clouds (% Sky Obscured)

72
86
100
100
100
100
97
91
85
89
95
100
91
83
74
76
77
78
65
50
35
38
43
46

Medium Clouds (% Sky Obscured)

12
9
5
9
9
8
12
15
17
23
28
31
28
25
17
13
13
13
13
12
11
12
16
17

High Clouds (% Sky Obscured)

58
53
52
56
56
55
47
49
52
49
38
30
15
15
5
37
67
100
76
51
27
31
34
37

ISS Passover

Visibility (miles)

0
0
0
0
3
6
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

49
53
59
55
50
41
44
39
38
40
32
32
30
21
25
25
22
23
23
21
18
26
18
14

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
98
100
96
96
96
93
90
87
86
87
87
87
87
89
90
92
93
90
90
90
92
92

Pressure (mb)

1012
1012
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1014
1014
1015
1015
1015
1015

Ozone (du)

297
296
295
294
292
290
287
286
284
282
282
281
280
280
280
280
280
280
280
281
281
282
287
291

Friday 11

New Moon 0%

07:02

19:30

Sun - Rise: 06:43, Set: 19:38, Transit: 13:10. Moon - Rise: 07:02, Set: 19:30. Civil Dark: 20:12 - 06:08. Nautical Dark: 20:54 - 05:27. Astro Dark: 21:38 - 04:42

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Rhayader, Powys, United Kingdom (52.27,-3.57)

Generated: 05/09/26 04:17:44. Forecast: 05/09/26 to 11/09/26. Timezone: UTC+1.00