Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 28

Full Moon 99%

20:05

07:42

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
17 Bad
18 Bad

Sun - Rise: 06:18, Set: 20:04, Transit: 13:10. Moon - Rise: 20:05, Set: 07:42. Civil Dark: 20:40 - 05:43. Nautical Dark: 21:23 - 04:59. Astro Dark: 22:13 - 04:11

Total Clouds (% Sky Obscured)

92
74
60
74
82
73
98
100
93
98
100
100
100
100
98
98
100
100
100
100
97
93
60
90

Low Clouds (% Sky Obscured)

39
32
39
46
62
73
77
80
76
84
29
42
69
96
97
80
80
76
77
93
78
75
43
71

Medium Clouds (% Sky Obscured)

13
6
4
0
0
0
0
0
7
20
100
100
100
100
97
31
55
100
100
97
22
15
9
3

High Clouds (% Sky Obscured)

0
0
0
40
37
19
90
100
76
45
100
100
100
59
39
4
98
100
100
100
28
25
2
32

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
6
2
5
9
9
3
3
2
9
5
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
Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

2
3
7
2
8
0
7
9
1
1
22
93
95
95
95
57
74
95
95
95
83
54
41
29

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.6
1.2
1.7
0.5
0
0.3
1.9
1.8
1.4
0.5
0
0
0

Wind Speed/Direction (mph)

12
9
9
11
11
10
9
8
8
8
7
7
8
10
12
13
12
12
12
10
7
3
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
81
90
93
90
88
89
89
87
87
87
89
92
93
95
95
95
84
90
93
95
85
85
88

Pressure (mb)

1006
1007
1007
1008
1008
1008
1008
1007
1007
1006
1006
1005
1005
1004
1003
1003
1002
1001
1001
1000
999
998
998
1000

Ozone (du)

327
327
325
321
317
314
311
308
305
304
304
303
302
305
308
318
316
313
316
314
316
318
317
310

Saturday 29

Waning Gibbous 96%

20:17

09:00

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 OK
02 OK
03 OK
04 Bad
05 Bad
06 OK
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 06:20, Set: 20:02, Transit: 13:10. Moon - Rise: 20:17, Set: 09:00. Civil Dark: 20:37 - 05:45. Nautical Dark: 21:21 - 05:01. Astro Dark: 22:09 - 04:13

Total Clouds (% Sky Obscured)

92
100
94
57
42
47
27
7
33
48
56
34
72
74
40
32
71
92
96
83
85
99
100
100

Low Clouds (% Sky Obscured)

71
75
86
42
39
47
27
7
32
47
54
34
70
64
38
32
37
52
66
36
36
47
68
34

Medium Clouds (% Sky Obscured)

53
10
6
2
0
0
0
0
0
0
0
0
1
3
0
0
8
8
8
20
29
91
100
93

High Clouds (% Sky Obscured)

27
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
34
82
90
83
85
93
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
7
5
4
2
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

30
15
23
23
16
2
1
2
1
0
1
1
0
1
11
46
41
58
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.7
0.6
2.3
1.6
0.6
1.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
18
18
17
17
16
16
16
16
16
16
16
16
17
18
19
20
21
21
21
21
20
18
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
92
92
90
95
93
86
89
92
95
95
95
89
78
78
72
67
56
62
66
60
69
86
92

Pressure (mb)

1001
1002
1003
1004
1005
1006
1007
1007
1008
1008
1008
1008
1009
1009
1009
1009
1009
1008
1008
1007
1007
1007
1007
1006

Ozone (du)

308
309
309
310
310
314
316
316
316
316
317
316
317
317
316
316
317
317
319
320
320
322
321
324

Sunday 30

Waning Gibbous 91%

20:29

10:20

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 OK
06 OK
07 OK
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 06:21, Set: 20:00, Transit: 13:09. Moon - Rise: 20:29, Set: 10:20. Civil Dark: 20:35 - 05:46. Nautical Dark: 21:18 - 05:03. Astro Dark: 22:06 - 04:16

Total Clouds (% Sky Obscured)

73
41
72
93
100
100
100
72
48
48
29
14
18
44
78
68
80
98
95
81
81
86
74
74

Low Clouds (% Sky Obscured)

44
41
29
40
77
35
30
54
48
41
16
13
18
44
54
63
76
80
77
55
60
62
34
28

Medium Clouds (% Sky Obscured)

3
1
9
66
99
42
17
11
0
4
3
0
0
0
0
0
0
14
13
11
13
15
20
26

High Clouds (% Sky Obscured)

73
0
72
93
100
100
100
4
2
0
0
0
0
0
37
0
0
0
0
2
1
29
55
74

ISS Passover

Visibility (miles)

9
9
9
9
2
9
3
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

Light Rain
Light Rain
None
None
None
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

94
63
42
63
70
72
49
20
10
1
0
0
0
2
4
10
5
4
0
1
5
13
7
1

Precipitation Amount (mm)

1.2
0.6
0
0
0
0.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
92
93
93
95
92
93
93
95
93
93
92
93
90
86
81
78
73
72
67
60
61
65
69

Pressure (mb)

1006
1005
1005
1005
1005
1004
1005
1005
1005
1006
1006
1007
1008
1009
1010
1011
1012
1012
1013
1013
1014
1014
1015
1015

Ozone (du)

326
327
327
329
331
337
340
342
340
339
336
335
334
331
330
330
330
326
323
320
317
317
315
314

Monday 31

Waning Gibbous 83%

20:42

11:44

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
17 Bad
18 Bad

Sun - Rise: 06:23, Set: 19:58, Transit: 13:09. Moon - Rise: 20:42, Set: 11:44. Civil Dark: 20:33 - 05:48. Nautical Dark: 21:16 - 05:05. Astro Dark: 22:03 - 04:18

Total Clouds (% Sky Obscured)

66
74
81
89
84
94
92
90
90
83
76
68
71
73
51
61
67
79
79
81
83
71
81
62

Low Clouds (% Sky Obscured)

19
11
13
20
15
46
0
0
0
22
4
8
16
24
35
32
26
35
39
44
50
41
48
31

Medium Clouds (% Sky Obscured)

26
25
17
9
4
4
0
0
90
83
76
68
71
18
15
13
13
13
12
6
4
3
3
3

High Clouds (% Sky Obscured)

57
37
13
16
11
25
30
30
35
43
50
50
51
46
2
21
40
54
47
36
25
32
38
41

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 (%)

7
9
0
0
0
0
0
0
1
8
3
0
3
8
2
4
10
14
12
14
4
7
7
2

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)

13
11
8
7
6
6
5
5
5
4
4
5
5
6
8
10
10
10
11
12
12
11
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
13
13
13
12
12
12
13
13
13
13
12
12
11
10
10
9
10
10
10
11
10
11

Relative Humidity (%)

74
79
83
85
85
84
80
84
89
90
90
90
87
80
68
60
56
53
54
51
50
54
53
59

Pressure (mb)

1016
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

314
314
313
312
313
314
314
314
315
316
318
320
321
321
320
320
321
321
322
322
323
324
322
321

Tuesday 1

Waning Gibbous 74%

20:59

13:10

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
17 Bad
18 Bad

Sun - Rise: 06:24, Set: 19:56, Transit: 13:09. Moon - Rise: 20:59, Set: 13:10. Civil Dark: 20:30 - 05:50. Nautical Dark: 21:13 - 05:07. Astro Dark: 22:00 - 04:20

Total Clouds (% Sky Obscured)

60
78
58
63
82
100
100
100
100
100
100
100
100
100
100
97
95
93
90
86
85
89
90
90

Low Clouds (% Sky Obscured)

24
23
18
13
7
3
6
9
12
17
41
54
74
68
63
70
85
93
90
86
85
89
90
90

Medium Clouds (% Sky Obscured)

5
4
5
4
4
0
0
0
100
100
100
98
97
95
94
94
94
93
90
86
85
86
88
90

High Clouds (% Sky Obscured)

48
70
48
48
73
100
100
100
100
100
100
100
100
100
100
85
70
55
54
54
58
69
69
65

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

Precipitation Probability (%)

6
6
0
3
3
1
12
17
17
24
25
25
61
49
36
33
29
22
26
29
32
40
47
53

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
72
78
82
85
87
89
92
93
95
96
95
93
87
79
73
73
75
75
78
82
86
88
89

Pressure (mb)

1020
1020
1021
1021
1020
1020
1020
1020
1019
1019
1018
1018
1018
1016
1017
1017
1017
1017
1017
1016
1016
1015
1015
1015

Ozone (du)

320
320
321
318
316
315
315
315
315
315
315
314
315
314
314
314
311
309
306
304
303
301
299
297

Wednesday 2

Waning Gibbous 63%

21:21

14:36

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
17 Bad
18 OK

Sun - Rise: 06:26, Set: 19:53, Transit: 13:09. Moon - Rise: 21:21, Set: 14:36. Civil Dark: 20:28 - 05:51. Nautical Dark: 21:11 - 05:09. Astro Dark: 21:57 - 04:23

Total Clouds (% Sky Obscured)

87
83
80
82
85
79
85
92
97
95
92
89
85
80
73
73
74
78
69
60
50
48
45
41

Low Clouds (% Sky Obscured)

87
83
80
82
84
79
85
92
97
79
61
43
42
40
39
35
31
27
34
38
41
43
42
40

Medium Clouds (% Sky Obscured)

76
57
36
46
56
66
59
51
43
32
20
9
15
21
27
18
10
2
5
9
12
16
21
25

High Clouds (% Sky Obscured)

58
47
38
34
34
32
46
58
75
75
75
75
75
75
70
63
56
49
31
15
2
2
2
3

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

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

Precipitation Probability (%)

54
44
27
22
16
12
9
12
15
37
55
68
54
34
7
6
4
0
1
1
0
1
3
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
17
17
17
17
17
17
17
17
17
17
17
17
17
18
18
19
20
21
21
21
21
21
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
93
93
93
92
93
93
95
95
93
93
93
86
81
77
69
62
55
57
57
57
66
75

Pressure (mb)

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

Ozone (du)

296
294
293
292
290
289
288
287
286
285
285
285
285
286
287
287
287
286
285
285
285
285
284
284

Thursday 3

Waning Gibbous 51%

21:54

15:56

19 OK
20 OK
21 OK
22 OK
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: 06:28, Set: 19:51, Transit: 13:08. Moon - Rise: 21:54, Set: 15:56. Civil Dark: 20:26 - 05:53. Nautical Dark: 21:08 - 05:11. Astro Dark: 21:54 - 04:25

Total Clouds (% Sky Obscured)

33
28
18
26
39
52
57
63
69
68
69
72
78
84
88
93
96
99

Low Clouds (% Sky Obscured)

33
28
18
26
39
52
57
63
69
68
69
72
78
84
84
73
62
51

Medium Clouds (% Sky Obscured)

33
28
18
26
39
45
54
63
69
68
69
72
77
79
82
88
94
99

High Clouds (% Sky Obscured)

5
6
8
19
26
37
27
20
18
18
21
24
21
18
16
15
17
15

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
2
0
9
13
12
14
16
11
15
17
20
20
21
23
21
17
15

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
16
16
16
16
16
15
15
15
15
14
14
15
14
15
15
15
15

Dew Point (°C)

16
16
16
16
15
15
15
15
15
15
15
15
15
15
15
15
15
14

Relative Humidity (%)

84
86
89
90
90
90
89
90
92
92
93
93
95
93
90
87
85
82

Pressure (mb)

1018
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1022
1022
1022

Ozone (du)

283
284
284
284
284
284
284
283
282
281
283
284
285
285
285
285
285
285

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

Generated: 28/08/26 18:13:34. Forecast: 28/08/26 to 03/09/26. Timezone: UTC+1.00