Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 21

Waxing Gibbous 66%

No Rise

23:29

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

Sun - Rise: 06:07, Set: 20:19, Transit: 13:12. Moon - Rise: No Rise, Set: 23:29. Civil Dark: 20:56 - 05:31. Nautical Dark: 21:42 - 04:45. Astro Dark: 22:35 - 03:53

Total Clouds (% Sky Obscured)

48
56
61
59
81
66
36
5
4
4
2
2
4
0
0
0
6
0
44
35
44
25
35
44

Low Clouds (% Sky Obscured)

48
56
50
59
73
58
5
4
2
2
2
2
4
0
0
0
6
0
38
30
37
6
4
16

Medium Clouds (% Sky Obscured)

48
56
61
59
70
11
36
2
2
2
2
2
0
0
0
0
0
0
0
0
6
14
21
19

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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 (%)

33
23
15
11
4
4
0
0
0
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)

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

Chance of Frost

Temperature (°C)

19
18
18
17
17
16
15
14
13
13
12
12
12
11
11
13
14
16
17
18
19
20
21
21

Feels Like (°C)

16
15
16
16
15
14
13
12
13
12
12
12
12
11
12
13
14
15
16
18
19
20
20
20

Dew Point (°C)

4
6
8
9
9
8
8
10
10
10
10
10
9
9
8
7
6
5
4
4
4
3
3
3

Relative Humidity (%)

37
46
53
60
59
58
59
74
82
84
86
86
84
84
80
67
56
47
42
38
35
31
30
29

Pressure (mb)

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

Ozone (du)

359
359
358
357
357
357
357
357
357
356
355
356
357
355
356
357
357
358
358
359
360
360
361
361

Saturday 22

Waxing Gibbous 75%

17:46

00:21

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

Sun - Rise: 06:08, Set: 20:17, Transit: 13:12. Moon - Rise: 17:46, Set: 00:21. Civil Dark: 20:54 - 05:32. Nautical Dark: 21:39 - 04:47. Astro Dark: 22:31 - 03:55

Total Clouds (% Sky Obscured)

59
55
54
45
42
29
37
26
13
23
26
18
10
0
0
0
0
0
0
17
36
41
53
37

Low Clouds (% Sky Obscured)

51
23
25
22
15
6
18
23
13
15
12
0
0
0
0
0
0
0
0
3
15
8
3
0

Medium Clouds (% Sky Obscured)

30
26
27
23
22
16
22
15
6
16
16
14
10
0
0
0
0
0
0
11
21
26
6
23

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
42
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 (%)

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 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)

5
5
6
5
3
3
3
4
5
6
5
4
3
3
3
3
4
4
3
1
1
2
3
4

Chance of Frost

Temperature (°C)

21
21
20
19
18
17
16
15
14
13
13
12
12
11
12
13
15
17
19
21
22
23
23
23

Feels Like (°C)

20
20
18
18
18
16
16
15
14
13
13
12
12
12
12
14
15
18
21
23
24
24
23
23

Dew Point (°C)

3
3
6
8
8
7
7
8
8
9
9
8
9
9
8
7
7
7
6
6
5
5
4
4

Relative Humidity (%)

30
30
40
49
53
53
56
59
67
72
76
77
81
83
77
66
57
50
43
37
33
31
29
28

Pressure (mb)

1023
1023
1023
1024
1024
1024
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1024
1024

Ozone (du)

361
362
362
362
361
362
361
361
360
360
359
359
358
357
351
349
348
348
348
346
345
345
344
344

Sunday 23

Waxing Gibbous 83%

18:28

01:24

17 OK
18 OK
19 OK
20 OK
21 OK
22 Good
23 OK
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

Sun - Rise: 06:10, Set: 20:15, Transit: 13:12. Moon - Rise: 18:28, Set: 01:24. Civil Dark: 20:51 - 05:34. Nautical Dark: 21:36 - 04:49. Astro Dark: 22:28 - 03:58

Total Clouds (% Sky Obscured)

43
45
25
34
26
4
37
50
55
94
100
97
83
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

3
13
2
0
0
0
12
0
19
18
5
23
0
0
0
0
6
16
21
10
10
10
10
6

Medium Clouds (% Sky Obscured)

25
20
12
17
11
1
15
16
12
16
15
13
41
33
42
32
27
47
90
92
86
96
49
71

High Clouds (% Sky Obscured)

0
0
0
0
0
1
2
32
38
88
100
96
77
100
100
100
100
100
100
100
96
93
89
93

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
0
0
0
0
0
0
0
0
0
0
0
0
1
2
1
3

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
5
5
4
4
4
3
3
2
3
2
3
4
5
5
8
10
12
14
14
14
14
13
13

Chance of Frost

Temperature (°C)

23
23
22
21
18
17
16
15
15
14
14
13
13
13
13
14
16
18
19
20
21
22
22
22

Feels Like (°C)

23
23
22
21
19
18
17
17
14
14
13
12
12
13
11
12
13
14
15
15
17
17
17
18

Dew Point (°C)

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

Relative Humidity (%)

27
27
30
38
53
63
68
73
75
78
78
80
79
79
77
68
60
51
43
37
34
31
30
29

Pressure (mb)

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

Ozone (du)

344
344
345
344
342
340
339
339
337
335
332
328
325
324
323
323
323
324
324
325
326
326
326
327

Monday 24

Waxing Gibbous 90%

18:59

02:36

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

Sun - Rise: 06:12, Set: 20:13, Transit: 13:11. Moon - Rise: 18:59, Set: 02:36. Civil Dark: 20:49 - 05:36. Nautical Dark: 21:34 - 04:51. Astro Dark: 22:25 - 04:01

Total Clouds (% Sky Obscured)

100
100
90
78
67
67
72
74
75
80
84
87
91
92
92
91
89
89
89
85
78
86
90
82

Low Clouds (% Sky Obscured)

4
0
0
2
2
1
2
30
34
42
32
17
57
65
71
78
84
84
84
73
40
34
30
27

Medium Clouds (% Sky Obscured)

88
80
62
78
36
38
72
74
75
80
40
66
88
89
88
89
88
54
26
24
28
29
29
28

High Clouds (% Sky Obscured)

97
100
77
57
35
35
35
35
30
45
50
50
50
56
55
54
50
45
45
7
22
47
75
56

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 (%)

4
4
5
3
0
1
0
0
2
5
1
4
13
10
6
3
3
2
2
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)

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

Chance of Frost

Temperature (°C)

22
22
21
20
19
18
17
17
16
16
16
15
15
15
15
16
17
18
19
20
22
23
24
24

Feels Like (°C)

17
17
17
15
15
14
13
13
13
13
14
14
13
14
13
13
15
16
17
17
19
21
22
23

Dew Point (°C)

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

Relative Humidity (%)

30
32
36
41
47
53
61
65
71
74
78
83
89
86
86
83
78
74
69
56
49
38
34
36

Pressure (mb)

1016
1015
1015
1015
1015
1015
1015
1014
1014
1014
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011

Ozone (du)

325
324
324
324
324
324
326
326
325
326
325
324
323
322
324
326
325
325
329
328
326
321
317
315

Tuesday 25

Waxing Gibbous 95%

19:22

03:51

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

Sun - Rise: 06:13, Set: 20:11, Transit: 13:11. Moon - Rise: 19:22, Set: 03:51. Civil Dark: 20:47 - 05:38. Nautical Dark: 21:31 - 04:53. Astro Dark: 22:22 - 04:03

Total Clouds (% Sky Obscured)

68
76
79
83
80
91
96
100
100
100
100
93
84
78
80
87
93
95
98
100
97
94
91
93

Low Clouds (% Sky Obscured)

29
44
38
34
34
27
16
11
17
32
86
66
66
78
80
79
72
69
66
68
55
36
23
35

Medium Clouds (% Sky Obscured)

21
15
14
20
27
86
76
62
83
85
87
17
29
78
55
39
19
16
16
16
18
20
21
43

High Clouds (% Sky Obscured)

38
40
35
30
10
48
70
100
81
78
76
84
46
53
25
35
44
65
80
94
94
93
91
93

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

1
0
0
0
0
0
0
0
0
2
8
35
40
65
50
41
31
32
33
34
31
29
23
30

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
8
7
5
4
4
3
3
3
3
3
3
4
4
5
6
8
8
8
8
10
12
15

Chance of Frost

Temperature (°C)

24
24
23
22
20
19
19
18
18
17
17
17
16
16
16
17
18
20
21
22
23
23
24
24

Feels Like (°C)

23
22
20
19
18
18
17
16
16
16
16
16
15
16
16
16
17
17
18
19
18
24
23
22

Dew Point (°C)

9
9
9
10
11
11
11
11
11
11
11
11
13
13
14
15
17
18
17
17
17
15
13
10

Relative Humidity (%)

37
38
40
46
54
59
60
63
66
66
66
66
78
83
90
89
89
88
80
75
68
58
49
41

Pressure (mb)

1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010

Ozone (du)

314
314
314
315
314
313
313
314
315
316
315
316
317
317
318
318
317
316
317
319
320
320
320
321

Wednesday 26

Waxing Gibbous 99%

19:39

05:08

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

Sun - Rise: 06:15, Set: 20:09, Transit: 13:11. Moon - Rise: 19:39, Set: 05:08. Civil Dark: 20:44 - 05:39. Nautical Dark: 21:29 - 04:55. Astro Dark: 22:19 - 04:06

Total Clouds (% Sky Obscured)

96
100
96
93
90
91
91
92
92
91
90
94
97
100
100
100
100
96
92
89
88
86
84
77

Low Clouds (% Sky Obscured)

43
51
41
35
29
26
25
21
19
17
15
31
49
64
64
62
61
56
47
32
39
52
64
61

Medium Clouds (% Sky Obscured)

70
97
73
49
28
31
37
41
45
48
50
46
43
40
36
38
43
49
57
66
58
50
42
29

High Clouds (% Sky Obscured)

96
100
96
93
90
91
86
81
86
86
89
93
96
99
100
100
100
96
92
88
84
78
77
56

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
7
5
2
5
7
9
9
9
9
9
9
9
8
7
6

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

Precipitation Probability (%)

37
44
42
39
36
51
65
78
84
88
91
95
95
95
92
73
52
73
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0.4
0.6
0.6
0.6
0.6
0.8
1
1.2
0.8
0.4
0
0.2
0.5
1
1.2
1.3
1.4
1.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
21
19
19
18
17
17
16
16
16
16
16
17
17
17
18
18
19
20
21
22
22
21
21

Feels Like (°C)

23
24
26
16
17
18
18
18
17
16
16
16
16
16
16
18
18
19
18
18
18
22
20
19

Dew Point (°C)

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

Relative Humidity (%)

52
66
84
86
89
92
92
93
95
95
96
96
98
98
96
92
86
81
69
59
51
52
52
53

Pressure (mb)

1010
1010
1010
1010
1010
1009
1009
1009
1008
1008
1007
1006
1006
1005
1005
1005
1004
1004
1004
1003
1002
1002
1001
1001

Ozone (du)

322
322
323
325
327
329
329
329
329
330
331
333
332
331
330
330
330
330
333
335
338
338
339
340

Thursday 27

Waxing Gibbous 100%

19:53

06:25

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
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:16, Set: 20:07, Transit: 13:10. Moon - Rise: 19:53, Set: 06:25. Civil Dark: 20:42 - 05:41. Nautical Dark: 21:26 - 04:57. Astro Dark: 22:16 - 04:08

Total Clouds (% Sky Obscured)

71
64
61
60
59
73
86
100
97
94
91
94
97
100
94
89
85
85
85
83

Low Clouds (% Sky Obscured)

61
59
56
58
59
67
74
83
84
86
86
82
78
74
70
67
65
67
66
68

Medium Clouds (% Sky Obscured)

15
5
3
2
1
3
4
10
18
23
20
27
34
41
46
55
67
54
41
28

High Clouds (% Sky Obscured)

36
15
8
4
0
28
56
80
80
77
78
88
93
100
77
54
30
41
51
52

ISS Passover

Visibility (miles)

7
8
9
9
9
9
9
9
9
9
8
7
6
4
3
5
7
9
9
9

Fog (%)

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

Precipitation Probability (%)

95
92
79
59
24
25
23
18
34
49
62
87
95
94
90
83
69
52
40
34

Precipitation Amount (mm)

1.3
0.8
0.5
0.2
0
0
0
0
0
0
0
0.4
0.4
0.3
0.4
0.6
0.6
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
19
19
16
17
17
16
16
15
13
13
12
12
12
12
12
13
14
13
13

Dew Point (°C)

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

Relative Humidity (%)

55
57
58
68
78
90
86
83
81
83
87
92
92
93
95
90
88
86
73
63

Pressure (mb)

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

Ozone (du)

339
339
338
338
338
338
336
335
333
332
332
331
331
332
332
333
334
335
336
336

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

Generated: 21/08/26 17:28:35. Forecast: 21/08/26 to 27/08/26. Timezone: UTC+1.00