Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 8

Waning Gibbous 82%

19:34

12:43

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
20 Bad
21 Bad
22 Bad

Sun - Rise: 07:25, Set: 16:30, Transit: 11:58. Moon - Rise: 19:34, Set: 12:43. Civil Dark: 17:07 - 06:49. Nautical Dark: 17:48 - 06:08. Astro Dark: 18:27 - 05:28

Total Clouds (% Sky Obscured)

99
94
88
91
77
87
77
91
98
100
100
100
100
100
100
100
100
100
100
100
100
100
69
96

Low Clouds (% Sky Obscured)

52
52
62
58
63
61
51
49
48
93
65
72
83
69
88
100
92
88
100
100
100
92
55
63

Medium Clouds (% Sky Obscured)

68
62
27
35
30
28
65
60
93
61
86
96
100
92
99
100
100
100
86
91
83
89
62
92

High Clouds (% Sky Obscured)

11
0
22
46
4
15
12
68
91
100
95
100
100
100
100
100
100
100
100
100
100
98
69
55

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
6
5
6
3
1
3
9
9
9
3
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
63
81

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
1
2
11
19
32
72
82
95
95
95
95
95
95
74
72
83
57
34
23

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.9
1.4
2.2
1.5
0.7
0.6
0.4
0.3
0.6
0
0
0

Wind Speed/Direction (mph)

7
7
6
6
8
8
9
8
8
8
8
9
10
11
11
11
12
10
11
12
12
12
11
10

Chance of Frost

Temperature (°C)

10
9
9
9
9
9
9
9
10
10
10
10
11
11
11
11
12
11
11
11
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
98
91
88
84
84
84
87
90
90
88
93
93
95
96
96
98
96
96
96
96
96
98

Pressure (mb)

1015
1015
1015
1014
1014
1014
1013
1013
1013
1013
1012
1012
1012
1011
1010
1009
1009
1008
1008
1008
1007
1007
1007
1006

Ozone (du)

264
263
264
264
267
268
265
265
266
267
267
268
267
264
266
266
267
267
269
272
273
274
274
275

Sunday 9

Waning Gibbous 72%

21:00

13:18

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 OK
20 Bad
21 Bad
22 Bad

Sun - Rise: 07:27, Set: 16:28, Transit: 11:58. Moon - Rise: 21:00, Set: 13:18. Civil Dark: 17:05 - 06:50. Nautical Dark: 17:46 - 06:09. Astro Dark: 18:26 - 05:29

Total Clouds (% Sky Obscured)

100
100
94
67
65
97
100
100
100
100
100
100
100
100
100
100
100
84
72
52
39
60
93
96

Low Clouds (% Sky Obscured)

62
59
65
64
65
71
59
62
60
54
46
48
82
73
97
100
80
47
54
52
37
57
74
62

Medium Clouds (% Sky Obscured)

94
100
88
57
60
25
24
16
8
34
55
60
60
83
86
100
85
79
60
1
0
1
1
15

High Clouds (% Sky Obscured)

97
100
31
23
30
62
70
65
63
99
100
100
100
100
91
99
90
30
30
25
27
35
85
91

ISS Passover

Visibility (miles)

9
9
9
9
5
6
9
9
9
9
9
9
9
9
8
6
3
3
9
9
9
9
9
9

Fog (%)

63
12
1
0
0
60
23
31
69
18
2
0
0
0
0
0
0
0
0
1
0
1
16
0

Precipitation Type

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

Precipitation Probability (%)

21
24
47
69
72
42
11
6
5
5
20
35
76
72
60
87
95
49
4
1
2
2
2
3

Precipitation Amount (mm)

0
0
0
0.2
0.4
0
0
0
0
0
0
0
0.2
0.2
0
0.4
0.8
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
9
8
7
8
8
8
8
8
8
8
6
5
5
4
6
8
7
6
7
7
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
8
8
8
7
7
7
6
5
6
7
7
7
8
7
7
6
6
5
5
4
4
5

Dew Point (°C)

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

Relative Humidity (%)

98
96
96
96
98
96
95
95
91
87
84
85
81
80
80
80
93
95
93
94
96
94
96
94

Pressure (mb)

1005
1005
1005
1004
1004
1004
1004
1003
1003
1003
1003
1003
1003
1002
1001
1001
1002
1002
1003
1003
1004
1004
1004
1005

Ozone (du)

276
278
280
281
281
286
290
294
295
298
301
303
306
308
309
307
304
301
305
308
311
310
310
308

Monday 10

Waning Gibbous 61%

22:26

13:41

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
20 Bad
21 Bad
22 Bad

Sun - Rise: 07:29, Set: 16:27, Transit: 11:58. Moon - Rise: 22:26, Set: 13:41. Civil Dark: 17:04 - 06:52. Nautical Dark: 17:45 - 06:11. Astro Dark: 18:25 - 05:31

Total Clouds (% Sky Obscured)

98
95
100
98
99
100
100
99
95
98
97
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

59
59
63
57
58
73
80
86
72
92
72
83
82
70
84
82
88
58
63
67
72
77
79
82

Medium Clouds (% Sky Obscured)

90
87
99
94
87
78
96
63
68
82
49
80
79
72
39
59
21
85
80
99
100
100
79
94

High Clouds (% Sky Obscured)

90
50
100
73
88
64
96
84
64
76
68
100
100
100
100
100
100
100
100
100
97
100
100
84

ISS Passover

Visibility (miles)

9
9
9
7
7
9
9
9
9
9
9
7
5
8
9
7
8
6
3
1
3
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
Very Light Rain
None
None
None
None
Light Rain
None
None
None
None
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

1
3
25
53
32
42
65
33
27
33
50
77
56
44
44
53
82
95
95
95
95
82
80
91

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0
0
0
0
0.4
0
0
0
0
0.4
0.7
1.7
3.8
0.6
0.5
0.4
0.6

Wind Speed/Direction (mph)

7
6
7
8
9
11
11
11
12
13
14
16
17
17
19
20
20
21
22
20
17
17
18
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
5
5
5
5
5
6
6
6
6
7
7
8
7
7
7
6
6
7
8
8
8
9

Dew Point (°C)

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

Relative Humidity (%)

94
94
91
91
91
91
90
91
90
90
91
92
90
92
90
90
90
90
92
95
96
93
95
93

Pressure (mb)

1005
1005
1004
1004
1003
1003
1003
1002
1002
1002
1002
1001
1001
1001
1000
999
999
999
998
998
998
998
999
999

Ozone (du)

305
304
303
300
298
295
296
296
294
290
286
284
283
281
278
278
278
276
277
277
281
282
285
285

Tuesday 11

Waning Gibbous 50%

No Rise

13:57

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
20 Bad
21 Bad
22 Bad

Sun - Rise: 07:31, Set: 16:25, Transit: 11:58. Moon - Rise: No Rise, Set: 13:57. Civil Dark: 17:03 - 06:53. Nautical Dark: 17:44 - 06:12. Astro Dark: 18:24 - 05:32

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

86
85
84
85
84
82
82
80
79
78
71
64
57
63
69
76
75
75
74
74
73
72
74
76

Medium Clouds (% Sky Obscured)

63
49
43
40
58
47
41
67
83
76
83
91
100
100
100
100
100
100
100
97
96
96
98
99

High Clouds (% Sky Obscured)

88
100
100
100
100
100
100
100
100
100
100
99
99
99
100
100
92
85
75
82
92
100
100
100

ISS Passover

Visibility (miles)

9
8
9
9
9
9
7
6
9
9
9
9
9
9
8
3
3
5
0
1
1
3
3
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
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
95
78
55
22
26
23
26
45
81
85
95
95
95
95
95
95
95
83

Precipitation Amount (mm)

0.5
0.8
0.8
0.8
1.1
1.1
0.8
0.4
0.2
0
0
0
0
0
0.4
0.5
0.8
1
1.2
1.2
1
1
0.9
0.3

Wind Speed/Direction (mph)

17
17
15
15
15
13
13
12
12
10
9
10
10
11
9
6
5
5
4
5
6
7
7
8

Chance of Frost

Temperature (°C)

12
12
12
12
12
12
12
12
12
12
13
13
13
13
13
12
12
12
12
12
12
13
13
12

Feels Like (°C)

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

Dew Point (°C)

10
11
10
10
11
11
11
11
11
11
11
11
12
11
11
11
12
12
11
12
12
12
12
12

Relative Humidity (%)

92
92
89
90
92
93
92
92
92
92
92
90
92
86
84
93
96
98
98
100
96
95
96
95

Pressure (mb)

999
999
998
999
999
999
999
999
1000
1000
1001
1001
1002
1002
1001
1001
1001
1001
1001
1000
1000
1000
1000
1000

Ozone (du)

285
283
283
280
281
280
280
278
279
279
279
277
277
277
276
274
276
276
275
276
277
278
279
279

Wednesday 12

Third Quarter 39%

23:47

14:09

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
20 Bad
21 Bad
22 Bad

Sun - Rise: 07:33, Set: 16:24, Transit: 11:58. Moon - Rise: 23:47, Set: 14:09. Civil Dark: 17:01 - 06:55. Nautical Dark: 17:43 - 06:14. Astro Dark: 18:22 - 05:34

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
97
94
88
92
96
100
98
96
98
99
98
99
99
99

Low Clouds (% Sky Obscured)

79
75
72
70
68
67
65
74
83
91
85
78
71
66
60
57
62
69
74
67
62
57
57
58

Medium Clouds (% Sky Obscured)

100
82
94
92
86
78
93
44
58
73
50
75
65
56
55
54
59
68
79
83
91
97
88
78

High Clouds (% Sky Obscured)

100
100
100
100
100
96
100
100
100
100
72
43
20
47
85
100
91
85
74
79
74
76
77
85

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
9
9
9
7
6
6
6
7
8
9
6
4
1
1
1
1
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
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

59
58
59
65
77
83
80
73
68
66
69
66
68
94
81
52
67
79
90
91
95
95
93
73

Precipitation Amount (mm)

0
0
0
0
0.3
0.4
0.4
0.3
0
0
0.2
0.2
0.3
0.6
0.4
0
0.3
0.4
0.5
0.6
0.7
1
0.7
0.4

Wind Speed/Direction (mph)

12
9
6
6
6
6
6
6
7
8
10
10
11
14
13
12
12
9
6
4
2
2
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
10
10
10
11
11
11
11
11
12
12
12
12
12
12
12
12
12
12
12
11
11
10
11

Relative Humidity (%)

89
84
86
90
95
96
96
96
95
95
95
95
95
95
96
96
96
98
98
98
98
100
98
98

Pressure (mb)

1000
999
999
999
998
998
998
997
997
998
998
998
998
998
998
998
998
999
999
999
999
1000
1000
1000

Ozone (du)

280
281
281
279
281
283
282
283
284
285
286
288
289
289
291
292
293
294
295
296
299
302
305
305

Thursday 13

Waning Crescent 29%

01:04

14:19

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
20 Bad
21 Bad
22 Bad

Sun - Rise: 07:34, Set: 16:22, Transit: 11:58. Moon - Rise: 01:04, Set: 14:19. Civil Dark: 17:00 - 06:57. Nautical Dark: 17:41 - 06:15. Astro Dark: 18:21 - 05:35

Total Clouds (% Sky Obscured)

100
97
95
92
93
97
100
100
100
100
100
99
99
99
100
100
100
100
100
84
72
58
63
68

Low Clouds (% Sky Obscured)

58
70
82
92
92
90
88
85
82
79
75
72
69
61
54
46
52
58
63
59
55
50
47
44

Medium Clouds (% Sky Obscured)

67
61
52
38
33
19
19
38
43
51
73
86
96
97
98
100
86
73
69
59
57
38
36
27

High Clouds (% Sky Obscured)

94
93
92
91
93
97
100
100
99
98
92
87
81
86
93
100
100
100
100
76
59
39
31
28

ISS Passover

Visibility (miles)

7
9
8
6
5
3
2
0
0
0
0
0
0
0
0
0
1
1
2
3
2
1
1
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very 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
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

46
59
68
74
78
78
74
90
95
95
95
84
61
87
95
95
95
95
95
95
95
62
57
50

Precipitation Amount (mm)

0
0.2
0.3
0.4
0.4
0.3
0.2
0.5
0.6
0.7
0.6
0.5
0.2
0.5
0.7
0.9
0.9
1
1.3
1
0.6
0
0
0

Wind Speed/Direction (mph)

4
4
4
4
5
5
6
6
6
6
6
6
8
10
11
11
11
9
8
6
6
6
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
11
11
11
11
11
11
11
10
10
10
10
10
6
6
6
5
5
4
3
3
2
1

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
98
98
98
98
98
98
98
98
96
96
98
96
96
98
96
96
96
96
98
98
96

Pressure (mb)

1000
1000
1000
1000
999
999
998
998
998
998
998
998
997
997
997
997
996
996
997
997
997
997
998
998

Ozone (du)

305
306
304
303
302
302
302
302
301
300
298
296
294
291
291
290
290
291
293
294
298
301
305
305

Friday 14

Waning Crescent 21%

02:18

14:28

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

Sun - Rise: 07:36, Set: 16:21, Transit: 11:58. Moon - Rise: 02:18, Set: 14:28. Civil Dark: 16:59 - 06:58. Nautical Dark: 17:40 - 06:17. Astro Dark: 18:20 - 05:37

Total Clouds (% Sky Obscured)

73
82
90
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

41
47
55
68
79
88
93
95
96
98
99
99
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

19
45
69
93
95
97
100
74
49
23
26
28
32
43
55
66
58
53
49

High Clouds (% Sky Obscured)

21
41
70
99
100
100
100
100
100
100
100
100
100
99
98
96
74
54
42

ISS Passover

Visibility (miles)

1
1
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0

Fog (%)

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

Precipitation Probability (%)

36
35
33
32
36
38
39
45
49
48
48
46
39
59
66
67
60
54
49

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
5
6
7
7
8
10
12
12
13
13
15
16
16
16
16
16
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
1
1
2
3
3
4
4
4
4
4
4
4
3
4
3
3
2

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
96
96
98
96
96
96
96
98
98
98
98
96
98
96
96
98

Pressure (mb)

998
998
999
999
999
999
999
999
1000
1001
1001
1001
1002
1002
1002
1002
1003
1003
1004

Ozone (du)

305
305
305
304
303
302
301
300
300
299
299
299
300
300
300
300
299
300
301

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

Generated: 08/11/25 23:26:00. Forecast: 08/11/25 to 14/11/25. Timezone: UTC+0.00