Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 4

Third Quarter 39%

22:41

17:01

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

Sun - Rise: 06:29, Set: 19:49, Transit: 13:08. Moon - Rise: 22:41, Set: 17:01. Civil Dark: 20:23 - 05:55. Nautical Dark: 21:05 - 05:13. Astro Dark: 21:51 - 04:27

Total Clouds (% Sky Obscured)

39
0
0
0
0
100
90
81
64
49
64
58
24
25
62
62
49
44
39
22
51
61
29
35

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
2
0
6
3
0
0
0
4
28
29
43
25
25
17
18
18
2
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
4
5
4
10
14
8
0
2
9
3
5

High Clouds (% Sky Obscured)

22
0
0
0
0
100
90
81
54
42
62
57
23
21
45
40
2
2
2
4
27
30
8
2

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

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
11
9
9
8
8
7
6
5
5
4
4
4
5
7
6
6
8
8
9
9
8
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
14
14
14
14
12
12
13
11
11
11
12
14
14
14
15
18
18
18
19
18
18
18

Dew Point (°C)

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

Relative Humidity (%)

68
71
74
74
75
76
78
79
80
80
82
83
84
78
69
64
59
54
50
47
45
43
44
50

Pressure (mb)

1018
1018
1019
1020
1020
1020
1021
1021
1021
1022
1022
1023
1023
1024
1024
1025
1025
1025
1025
1025
1025
1025
1024
1024

Ozone (du)

323
324
324
323
323
319
316
312
311
309
306
303
301
298
298
298
297
297
297
296
294
290
288
285

Saturday 5

Waning Crescent 28%

23:47

17:48

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 OK
08 Bad
09 Bad
10 OK
11 OK
12 OK
13 OK
14 OK
15 OK
16 OK
17 Bad
18 Bad

Sun - Rise: 06:31, Set: 19:47, Transit: 13:07. Moon - Rise: 23:47, Set: 17:48. Civil Dark: 20:21 - 05:56. Nautical Dark: 21:03 - 05:15. Astro Dark: 21:48 - 04:30

Total Clouds (% Sky Obscured)

66
64
87
94
72
87
91
96
93
100
96
74
35
60
68
47
33
33
21
14
18
34
75
84

Low Clouds (% Sky Obscured)

29
46
17
18
8
23
35
52
0
25
45
14
2
16
24
38
18
13
6
4
0
0
0
0

Medium Clouds (% Sky Obscured)

11
13
41
17
50
87
91
96
80
98
96
67
35
44
63
47
1
0
4
4
0
0
0
0

High Clouds (% Sky Obscured)

21
13
28
79
5
0
3
30
56
100
72
0
0
0
0
0
0
10
10
3
9
21
67
78

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
0
10
15
9
4
1
0
0
0
0
0
0
0
0
0
0
0

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
3
3
3
2
2
2
2
2
2
2
2
2
3
4
5
6
7
9
11
11
11
10
10

Chance of Frost

Temperature (°C)

18
16
16
16
15
15
15
15
15
15
15
15
14
15
17
18
20
22
24
25
25
25
25
24

Feels Like (°C)

19
16
16
14
14
15
14
14
14
14
14
14
13
14
16
17
18
21
21
21
22
22
22
21

Dew Point (°C)

10
10
9
9
9
9
9
9
9
10
10
10
10
10
9
8
10
8
8
9
8
9
9
9

Relative Humidity (%)

59
64
64
64
65
68
69
67
68
71
71
71
76
73
60
52
54
41
37
35
34
34
36
39

Pressure (mb)

1024
1025
1025
1025
1025
1025
1024
1024
1023
1023
1022
1022
1022
1021
1021
1021
1020
1019
1018
1018
1017
1016
1015
1016

Ozone (du)

284
283
282
281
282
284
285
286
288
290
290
290
290
290
290
291
293
291
287
286
287
288
288
290

Sunday 6

Waning Crescent 18%

01:09

18:20

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: 06:32, Set: 19:44, Transit: 13:07. Moon - Rise: 01:09, Set: 18:20. Civil Dark: 20:19 - 05:58. Nautical Dark: 21:00 - 05:17. Astro Dark: 21:45 - 04:32

Total Clouds (% Sky Obscured)

100
100
100
100
89
69
88
71
70
82
100
80
100
100
100
83
95
100
100
99
99
98
97
97

Low Clouds (% Sky Obscured)

0
10
6
6
0
17
26
52
70
64
40
41
58
17
48
45
72
37
33
28
25
28
28
29

Medium Clouds (% Sky Obscured)

3
2
94
98
89
64
10
14
10
4
2
6
4
7
2
8
8
12
11
59
93
88
77
70

High Clouds (% Sky Obscured)

100
100
100
100
54
15
15
0
0
32
100
80
100
100
100
76
85
100
98
95
92
91
90
88

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
Very Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
1
8
0
0
8
10
10
1
3
16
26
28
37
46
40

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
0.2
0

Wind Speed/Direction (mph)

9
7
6
5
4
4
5
5
7
8
8
10
10
11
10
10
12
13
14
14
15
14
14
13

Chance of Frost

Temperature (°C)

22
20
19
19
18
18
18
17
17
18
18
17
17
17
17
18
19
19
19
19
19
18
18
18

Feels Like (°C)

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

Dew Point (°C)

9
10
9
10
12
13
14
14
16
16
16
16
15
14
14
13
11
10
9
8
9
10
9
10

Relative Humidity (%)

44
50
50
57
66
72
77
83
92
92
90
90
89
82
78
73
59
54
52
51
53
58
56
62

Pressure (mb)

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

Ozone (du)

292
293
295
295
296
297
300
301
298
298
298
298
299
300
300
298
298
298
298
299
299
300
301
301

Monday 7

Waning Crescent 9%

02:38

18:43

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

Sun - Rise: 06:34, Set: 19:42, Transit: 13:07. Moon - Rise: 02:38, Set: 18:43. Civil Dark: 20:16 - 06:00. Nautical Dark: 20:58 - 05:18. Astro Dark: 21:43 - 04:34

Total Clouds (% Sky Obscured)

85
74
62
55
48
45
57
66
41
78
40
38
40
42
37
36
32
29
41
53
56
60
58
60

Low Clouds (% Sky Obscured)

26
28
41
20
36
45
8
14
19
23
29
35
37
36
37
34
27
27
27
27
25
29
32
33

Medium Clouds (% Sky Obscured)

70
70
56
0
0
5
0
0
0
4
3
0
0
0
0
0
0
0
8
13
15
10
10
18

High Clouds (% Sky Obscured)

66
39
15
15
15
25
30
30
0
43
0
0
0
0
0
0
0
0
20
40
56
55
50
45

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 (%)

31
16
1
12
16
19
5
4
8
16
9
10
18
28
33
31
25
13
16
11
1
16
37
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
0
0
0

Wind Speed/Direction (mph)

13
13
13
11
11
11
11
11
9
9
10
10
9
10
12
14
14
15
16
16
17
17
16
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
11
12
12
12
12
10
10
11
10
9
9
9
8
7
6
6
7
6
5
6
7
9

Relative Humidity (%)

68
69
73
78
82
84
82
75
82
86
80
77
75
70
66
58
51
49
50
45
44
46
53
63

Pressure (mb)

1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013

Ozone (du)

302
303
305
306
308
310
315
323
321
323
325
328
330
332
330
329
329
331
338
345
346
345
343
339

Tuesday 8

Waning Crescent 4%

04:08

18:59

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

Sun - Rise: 06:36, Set: 19:40, Transit: 13:06. Moon - Rise: 04:08, Set: 18:59. Civil Dark: 20:14 - 06:02. Nautical Dark: 20:55 - 05:20. Astro Dark: 21:40 - 04:36

Total Clouds (% Sky Obscured)

51
45
39
36
35
31
30
29
28
31
31
33
17
33
49
65
82
100
97
94
92
96
98
100

Low Clouds (% Sky Obscured)

27
25
19
18
15
13
12
12
11
10
11
11
11
19
25
32
21
19
22
24
27
26
24
22

Medium Clouds (% Sky Obscured)

12
3
3
2
2
0
0
0
0
0
0
2
1
4
6
9
12
10
8
11
14
28
42
56

High Clouds (% Sky Obscured)

31
16
2
1
1
0
0
0
0
0
0
0
6
12
21
41
61
81
77
74
73
86
92
98

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 (%)

32
31
24
24
17
0
1
3
0
0
1
0
1
3
0
4
7
2
6
5
0
1
2
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
10
9
8
8
8
8
8
8
7
8
7
7
8
9
11
11
11
11
12
12
13
12
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
73
71
71
68
69
71
74
75
79
80
81
81
73
66
60
55
52
48
49
50
50
57
64

Pressure (mb)

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

Ozone (du)

338
340
344
342
340
337
337
335
334
332
332
332
328
325
322
319
316
312
309
306
302
299
297
295

Wednesday 9

Waning Crescent 1%

05:34

18:59

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: 06:37, Set: 19:37, Transit: 13:06. Moon - Rise: 05:34, Set: 18:59. Civil Dark: 20:11 - 06:03. Nautical Dark: 20:53 - 05:22. Astro Dark: 21:37 - 04:38

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

28
33
39
59
80
97
97
97
97
97
97
92
95
96
100
98
97
95
84
72
60
58
60
59

Medium Clouds (% Sky Obscured)

73
86
100
96
92
88
70
53
36
25
15
5
5
5
5
5
10
10
39
68
96
94
93
92

High Clouds (% Sky Obscured)

99
99
100
85
74
66
66
62
62
66
71
75
67
59
48
53
57
60
54
47
30
20
10
10

ISS Passover

Visibility (miles)

9
7
5
3
5
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
Very Light Rain
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

16
30
47
52
52
54
51
41
18
22
23
19
23
24
22
24
22
20
22
24
20
18
19
11

Precipitation Amount (mm)

0
0
0
0.2
0
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
7
6
5
6
7
9
9
8
8
8
8
8
9
9
9
9
9
10
11
11
13
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
12
12
13
13
12
12
11
11
11
11
10
10
11
12
12
12
12
12
18
18
17
18
19

Dew Point (°C)

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

Relative Humidity (%)

70
78
84
93
93
93
95
93
92
90
92
92
92
93
93
95
89
85
80
77
73
70
73
75

Pressure (mb)

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

Ozone (du)

293
294
295
296
296
297
298
297
297
297
296
295
294
292
290
289
287
285
283
282
280
279
279
278

Thursday 10

Waning Crescent 0%

06:57

19:13

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

Sun - Rise: 06:39, Set: 19:35, Transit: 13:06. Moon - Rise: 06:57, Set: 19:13. Civil Dark: 20:09 - 06:05. Nautical Dark: 20:50 - 05:24. Astro Dark: 21:34 - 04:40

Total Clouds (% Sky Obscured)

98
99
100
97
94
91
93
95
97
94
87
74
73
75
80
72
67
59

Low Clouds (% Sky Obscured)

53
49
47
47
31
24
26
31
40
29
19
4
25
43
65
57
50
42

Medium Clouds (% Sky Obscured)

92
93
93
84
75
66
72
79
86
65
36
7
4
4
4
4
3
0

High Clouds (% Sky Obscured)

40
70
100
76
52
33
46
64
81
57
34
12
9
6
3
27
51
59

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 (%)

10
8
2
10
15
14
22
17
14
11
7
2
5
5
1
6
6
0

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
15
15
15
15
15
15
14
14
14
14
14
15
13
13
13
13
13

Dew Point (°C)

14
14
14
14
14
14
15
13
13
12
12
11
12
10
9
8
7
7

Relative Humidity (%)

77
79
79
81
82
85
87
82
78
73
77
78
82
73
65
57
51
46

Pressure (mb)

1014
1014
1014
1015
1015
1015
1015
1015
1016
1016
1016
1017
1017
1018
1019
1020
1020
1020

Ozone (du)

278
278
278
278
278
278
278
280
283
285
292
299
307
307
308
309
308
307

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

Generated: 04/09/26 19:05:23. Forecast: 04/09/26 to 10/09/26. Timezone: UTC+1.00