Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 30

Waning Gibbous 91%

20:29

No Set

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
04 Bad
05 Bad
06 OK
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:21, Set: 20:00, Transit: 13:10. Moon - Rise: 20:29, Set: No Set. Civil Dark: 20:35 - 05:46. Nautical Dark: 21:18 - 05:03. Astro Dark: 22:06 - 04:16

Total Clouds (% Sky Obscured)

47
58
51
100
84
76
100
100
81
100
69
91
100
100
100
100
77
48
34
32
26
47
88
87

Low Clouds (% Sky Obscured)

47
58
28
84
54
35
62
68
35
35
28
37
48
52
67
77
59
47
34
32
25
47
80
76

Medium Clouds (% Sky Obscured)

8
0
7
2
11
14
93
94
81
13
12
15
64
27
37
100
11
13
5
0
4
0
8
8

High Clouds (% Sky Obscured)

0
0
48
75
80
76
100
100
30
100
69
91
100
100
100
100
72
22
9
2
2
0
0
0

ISS Passover

Visibility (miles)

9
6
9
9
2
9
4
3
5
4
5
4
3
3
9
5
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
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

31
14
14
76
95
95
95
95
81
68
58
95
84
47
36
28
17
19
4
3
2
1
3
4

Precipitation Amount (mm)

0
0
0
0.4
1.1
3.9
2.1
1.5
0.6
0.4
0
0.8
0.4
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
20
21
22
20
20
20
17
17
17
16
16
15
15
15
15
15
15
15
15
14
15
15
16

Feels Like (°C)

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

Dew Point (°C)

14
13
12
9
15
14
12
16
15
15
15
15
14
15
14
14
14
13
14
13
13
14
13
13

Relative Humidity (%)

71
66
55
44
74
66
60
95
89
90
93
95
93
96
96
95
92
90
92
89
93
93
89
83

Pressure (mb)

1009
1008
1007
1007
1007
1007
1006
1006
1006
1005
1005
1005
1005
1005
1005
1005
1005
1005
1006
1006
1007
1008
1009
1010

Ozone (du)

323
323
322
323
322
323
326
328
329
331
331
331
335
339
340
340
340
339
339
340
339
338
335
331

Monday 31

Waning Gibbous 83%

20:42

10:20

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 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:23, Set: 19:58, Transit: 13:09. Moon - Rise: 20:42, Set: 10:20. Civil Dark: 20:33 - 05:48. Nautical Dark: 21:16 - 05:05. Astro Dark: 22:03 - 04:18

Total Clouds (% Sky Obscured)

77
84
73
79
81
100
96
84
97
77
100
78
89
36
80
68
65
75
97
94
86
61
65
78

Low Clouds (% Sky Obscured)

64
69
73
68
76
57
68
52
18
15
21
0
0
0
0
0
0
22
24
32
75
61
25
35

Medium Clouds (% Sky Obscured)

7
5
0
0
0
4
0
5
5
6
72
78
16
9
69
54
18
22
79
68
58
45
54
42

High Clouds (% Sky Obscured)

0
2
2
35
33
100
89
65
91
41
100
27
46
16
19
5
5
3
6
9
10
10
10
1

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 (%)

27
35
30
21
13
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

12
13
13
14
14
13
12
12
11
9
8
6
5
5
4
3
3
4
6
7
7
6
7
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
78
77
69
64
65
63
62
58
60
62
62
68
74
79
82
84
87
87
90
90
86
80
75

Pressure (mb)

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

Ozone (du)

329
327
327
325
323
320
316
315
316
315
316
318
317
316
315
314
314
313
312
311
312
313
314
315

Tuesday 1

Waning Gibbous 74%

20:59

11:44

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:24, Set: 19:56, Transit: 13:09. Moon - Rise: 20:59, Set: 11:44. Civil Dark: 20:30 - 05:50. Nautical Dark: 21:13 - 05:07. Astro Dark: 22:00 - 04:20

Total Clouds (% Sky Obscured)

79
70
47
52
67
100
74
79
100
100
100
100
96
97
92
98
100
100
99
100
99
100
100
100

Low Clouds (% Sky Obscured)

57
52
37
38
24
21
18
20
13
17
18
16
21
31
35
47
63
68
62
51
34
60
68
19

Medium Clouds (% Sky Obscured)

57
11
8
9
6
5
2
79
97
52
72
79
93
59
72
81
97
88
36
95
87
99
92
93

High Clouds (% Sky Obscured)

1
1
0
1
15
100
17
16
100
100
98
100
71
22
32
92
99
100
99
90
97
90
99
96

ISS Passover

Visibility (miles)

9
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

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

Precipitation Probability (%)

10
22
13
4
2
1
2
3
6
0
0
0
0
0
0
0
0
0
1
27
55
40
43
41

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
66
62
57
49
49
50
55
63
72
79
86
87
89
92
92
90
89
87
90
90
87
82
78

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1021
1021
1021
1020
1020
1020
1020
1020
1020

Ozone (du)

317
319
318
318
318
318
318
317
317
317
312
309
307
305
302
300
299
298
298
296
294
293
294
294

Wednesday 2

Waning Gibbous 63%

21:21

13:10

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:26, Set: 19:53, Transit: 13:09. Moon - Rise: 21:21, Set: 13:10. Civil Dark: 20:28 - 05:51. Nautical Dark: 21:11 - 05:09. Astro Dark: 21:57 - 04:23

Total Clouds (% Sky Obscured)

99
97
98
99
99
100
100
100
83
81
94
100
99
99
98
99
99
100
100
100
100
99
98
68

Low Clouds (% Sky Obscured)

74
75
81
84
85
86
47
42
40
35
54
100
95
88
81
84
89
94
96
98
100
77
68
65

Medium Clouds (% Sky Obscured)

76
64
60
28
29
23
99
99
46
10
55
100
60
92
78
72
62
79
88
93
88
70
88
17

High Clouds (% Sky Obscured)

58
38
16
26
56
78
58
27
6
17
22
39
29
78
84
75
97
100
80
53
44
42
45
12

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
Light Rain
Light Rain

Precipitation Probability (%)

30
20
15
14
17
24
20
9
13
15
17
11
13
17
19
18
12
5
11
18
27
44
64
78

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
0.5
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
19
20
20
20
20
20
20
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19

Feels Like (°C)

15
15
17
18
17
17
18
18
17
17
17
17
17
17
17
17
17
17
17
18
18
17
17
17

Dew Point (°C)

13
13
13
15
15
16
16
15
15
15
16
16
15
16
16
16
17
17
17
18
18
17
16
16

Relative Humidity (%)

71
72
69
71
75
75
74
69
71
76
82
82
80
82
82
84
91
92
92
93
92
88
86
80

Pressure (mb)

1020
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1018
1018

Ozone (du)

294
295
295
294
294
294
293
293
292
292
291
291
291
291
290
288
289
289
289
288
290
290
290
292

Thursday 3

Waning Gibbous 51%

21:54

14:36

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:28, Set: 19:51, Transit: 13:09. Moon - Rise: 21:54, Set: 14:36. Civil Dark: 20:26 - 05:53. Nautical Dark: 21:08 - 05:11. Astro Dark: 21:54 - 04:25

Total Clouds (% Sky Obscured)

91
87
86
65
60
62
79
70
78
98
73
97
98
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

76
82
85
64
60
56
54
45
52
78
34
50
92
92
92
93
96
99
81
61
42
28
14
5

Medium Clouds (% Sky Obscured)

66
21
22
14
9
9
8
7
10
9
10
12
57
80
97
98
96
97
89
79
71
51
35
25

High Clouds (% Sky Obscured)

22
42
44
34
16
3
37
31
54
85
57
79
71
82
94
95
97
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
5
7
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
Light Rain
Very Light Rain
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

Precipitation Probability (%)

75
69
61
49
41
7
11
11
6
8
7
11
48
69
95
95
95
92
75
54
19
23
25
25

Precipitation Amount (mm)

0.7
0.5
0.4
0.2
0
0
0
0
0
0
0
0
0
0.2
1
0.9
0.9
0.7
0.4
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
20
21
21
21
21
21
21
21
20
20
19
19
19
19
19
19
19
19
19
18
18
18
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
66
61
56
54
55
57
59
61
68
72
75
75
78
86
96
95
95
92
90
88
85
78
72

Pressure (mb)

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

Ozone (du)

292
292
292
292
292
292
293
292
292
291
290
290
289
290
291
290
294
298
302
306
309
312
313
313

Friday 4

Third Quarter 39%

22:41

15:56

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 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:29, Set: 19:49, Transit: 13:08. Moon - Rise: 22:41, Set: 15:56. Civil Dark: 20:23 - 05:55. Nautical Dark: 21:05 - 05:13. Astro Dark: 21:51 - 04:27

Total Clouds (% Sky Obscured)

93
91
76
73
70
70
63
52
41
37
37
37
46
51
76
86
92
100
98
96
92
88
85
81

Low Clouds (% Sky Obscured)

42
46
49
55
61
67
53
39
25
17
8
0
1
1
1
0
0
0
7
14
21
33
46
59

Medium Clouds (% Sky Obscured)

27
21
11
3
1
0
0
0
0
5
12
18
24
27
35
35
39
39
35
35
30
27
25
15

High Clouds (% Sky Obscured)

82
64
46
35
24
10
20
33
41
37
37
37
46
51
49
66
82
100
94
88
84
72
60
48

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 (%)

35
40
32
29
25
15
18
18
12
11
9
2
2
1
0
1
1
0
7
8
5
14
16
11

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
15
15
15
16
17
16
16
15
13
12
11
11
10
9
9
8
8
7
6
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
12
12
11
12
12
12
12
13
13
13
12
11
11
12
12
11
11
11
11
11
11
10
8

Relative Humidity (%)

68
64
62
60
60
60
59
63
68
72
72
72
72
73
75
78
78
78
79
80
80
82
71
62

Pressure (mb)

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

Ozone (du)

314
314
314
314
314
313
313
313
312
312
313
314
315
315
316
316
316
315
314
313
312
311
310
310

Saturday 5

Waning Crescent 28%

23:47

17:01

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
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:31, Set: 19:47, Transit: 13:08. Moon - Rise: 23:47, Set: 17:01. Civil Dark: 20:21 - 05:56. Nautical Dark: 21:03 - 05:15. Astro Dark: 21:48 - 04:30

Total Clouds (% Sky Obscured)

86
91
96
88
79
67
71
79
89
93
95
100
100
100
100
88
91
92
78
62
39

Low Clouds (% Sky Obscured)

42
24
10
7
5
5
7
8
10
9
5
0
0
0
0
21
45
50
51
29
18

Medium Clouds (% Sky Obscured)

15
15
15
11
6
2
7
12
17
23
19
20
15
16
16
26
40
52
34
20
5

High Clouds (% Sky Obscured)

54
56
61
61
52
8
20
38
55
62
68
73
77
79
71
49
26
5
27
42
39

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

Fog (%)

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

Precipitation Probability (%)

9
5
0
0
0
0
0
0
0
2
2
1
15
24
32
34
39
45
42
39
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

Wind Speed/Direction (mph)

8
7
7
6
6
6
6
6
5
5
4
3
3
3
3
3
3
4
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
51
46
43
42
42
41
47
55
64
68
74
79
80
82
83
83
83
81
80
79

Pressure (mb)

1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1022
1022

Ozone (du)

309
308
306
305
303
301
299
297
296
294
294
293
292
292
293
294
295
296
297
296
295

Forecast for Rangeworthy, South Gloucestershire, United Kingdom (51.58,-2.45)

Generated: 30/08/26 10:39:25. Forecast: 30/08/26 to 05/09/26. Timezone: UTC+1.00