Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 31

Waning Gibbous 94%

21:45

08:39

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

Sun - Rise: 05:34, Set: 20:59, Transit: 13:16. Moon - Rise: 21:45, Set: 08:39. Civil Dark: 21:40 - 04:53. Nautical Dark: 22:35 - 03:59. Astro Dark: 23:52 - 02:43

Total Clouds (% Sky Obscured)

10
14
21
20
2
64
64
45
24
0
0
0
0
0
0
0
9
16
47
31
43
31
9
35

Low Clouds (% Sky Obscured)

10
14
15
2
0
0
0
0
0
0
0
0
0
0
0
0
8
15
29
16
21
9
3
0

Medium Clouds (% Sky Obscured)

10
14
20
20
2
45
16
45
0
0
0
0
0
0
0
0
0
0
0
14
20
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
64
40
40
24
0
0
0
0
0
0
0
0
0
13
1
2
25
6
35

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)

9
10
10
10
11
9
7
5
4
3
3
2
2
2
2
2
3
4
5
7
8
9
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

30
34
33
30
32
40
50
55
56
64
70
74
77
80
80
71
60
50
43
39
34
30
28
27

Pressure (mb)

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

Ozone (du)

356
355
355
354
353
353
355
357
363
369
370
374
373
370
365
357
354
351
349
348
347
344
342
338

Saturday 1

Waning Gibbous 88%

21:57

09:55

16 OK
17 Bad
18 Bad
19 Bad
20 OK
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

Sun - Rise: 05:35, Set: 20:58, Transit: 13:16. Moon - Rise: 21:57, Set: 09:55. Civil Dark: 21:38 - 04:55. Nautical Dark: 22:32 - 04:01. Astro Dark: 23:48 - 02:48

Total Clouds (% Sky Obscured)

39
68
55
53
40
84
100
96
100
92
85
80
70
82
99
96
78
90
90
83
98
90
97
96

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
2
19
0

Medium Clouds (% Sky Obscured)

0
0
0
7
0
3
8
18
18
42
37
36
27
69
82
56
23
27
33
27
26
75
34
41

High Clouds (% Sky Obscured)

39
68
55
53
40
83
100
93
100
74
58
57
54
66
89
90
71
80
82
71
95
59
87
84

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)

11
11
11
11
10
6
5
3
2
3
4
4
4
4
4
5
7
8
8
8
7
6
5
5

Chance of Frost

Temperature (°C)

23
23
22
21
20
19
17
16
16
15
14
13
13
12
12
13
15
17
19
21
23
25
26
27

Feels Like (°C)

19
18
18
17
16
16
15
15
14
12
11
11
10
10
10
11
13
16
16
19
21
22
24
24

Dew Point (°C)

4
4
5
6
7
7
7
8
7
6
6
7
7
7
7
7
6
4
3
3
3
2
1
0

Relative Humidity (%)

28
30
34
37
42
46
52
59
56
56
60
63
69
70
70
64
53
42
35
30
26
22
19
17

Pressure (mb)

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

Ozone (du)

336
335
334
332
331
331
330
330
331
332
331
330
330
330
331
332
332
332
332
333
333
332
331
330

Sunday 2

Waning Gibbous 80%

22:08

11:13

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

Sun - Rise: 05:37, Set: 20:56, Transit: 13:15. Moon - Rise: 22:08, Set: 11:13. Civil Dark: 21:36 - 04:57. Nautical Dark: 22:30 - 04:04. Astro Dark: 23:44 - 02:52

Total Clouds (% Sky Obscured)

100
100
100
99
100
100
94
52
90
100
97
87
86
89
89
100
100
96
91
71
100
93
87
80

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
45
12
0
0
8
0
0

Medium Clouds (% Sky Obscured)

62
20
35
31
28
25
28
16
28
46
82
44
37
79
59
57
36
92
83
71
37
76
87
80

High Clouds (% Sky Obscured)

100
100
100
96
100
100
83
35
71
100
84
75
80
53
76
100
100
81
73
37
100
81
62
25

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
2
3
7
7
7

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
6
6
6
6
4
2
2
3
3
4
4
4
5
5
7
8
9
10
10
9
8
6
5

Chance of Frost

Temperature (°C)

27
27
27
27
25
22
21
20
19
18
17
16
16
16
16
16
18
19
21
23
25
27
29
30

Feels Like (°C)

25
24
24
23
22
19
19
17
16
15
14
14
16
15
14
15
15
17
19
21
23
26
27
28

Dew Point (°C)

-1
-1
-1
-1
2
3
3
3
3
5
5
6
7
8
9
9
9
8
8
7
7
8
8
8

Relative Humidity (%)

16
15
16
16
22
29
30
31
35
43
47
50
56
59
63
60
55
48
43
35
30
29
27
26

Pressure (mb)

1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1011
1011
1010
1010
1009
1008

Ozone (du)

330
331
330
330
330
330
330
332
333
335
337
337
338
334
330
329
327
326
326
325
325
326
329
330

Monday 3

Waning Gibbous 71%

22:20

12:33

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

Sun - Rise: 05:38, Set: 20:54, Transit: 13:15. Moon - Rise: 22:20, Set: 12:33. Civil Dark: 21:34 - 04:59. Nautical Dark: 22:27 - 04:06. Astro Dark: 23:39 - 02:55

Total Clouds (% Sky Obscured)

74
76
80
88
94
100
96
93
90
79
47
37
67
78
95
96
99
95
96
91
85
77
67
60

Low Clouds (% Sky Obscured)

7
1
5
41
27
18
25
29
34
23
11
0
2
4
10
23
67
67
76
64
58
68
58
39

Medium Clouds (% Sky Obscured)

66
36
69
32
34
41
88
57
29
25
24
19
20
20
22
27
26
30
29
87
85
49
67
60

High Clouds (% Sky Obscured)

17
31
21
56
79
100
75
61
42
36
10
10
51
65
87
90
49
66
81
64
44
38
31
27

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
6
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
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

5
5
7
14
11
15
16
14
10
10
8
3
3
2
0
7
7
8
25
24
47
62
57
38

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

31
31
30
29
27
24
22
22
21
20
19
19
18
18
18
19
20
21
23
23
24
25
25
25

Feels Like (°C)

29
31
30
27
25
21
19
19
18
18
18
19
18
17
17
17
18
20
22
22
24
24
24
24

Dew Point (°C)

9
8
8
9
10
11
11
9
9
10
11
11
11
11
12
10
9
10
14
15
15
16
17
17

Relative Humidity (%)

25
24
25
28
34
44
48
44
46
52
58
61
63
65
67
57
48
50
56
61
55
60
61
59

Pressure (mb)

1008
1007
1007
1007
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

329
329
329
328
328
329
327
325
326
327
324
321
319
317
316
315
316
315
314
313
311
312
312
311

Tuesday 4

Waning Gibbous 60%

22:34

13:57

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:40, Set: 20:52, Transit: 13:15. Moon - Rise: 22:34, Set: 13:57. Civil Dark: 21:32 - 05:00. Nautical Dark: 22:25 - 04:08. Astro Dark: 23:35 - 02:59

Total Clouds (% Sky Obscured)

66
75
81
66
52
34
48
57
60
62
56
61
51
45
46
60
72
84
87
90
92
87
83
76

Low Clouds (% Sky Obscured)

28
65
42
56
15
22
48
34
54
56
32
46
21
19
35
43
51
59
63
68
73
64
54
44

Medium Clouds (% Sky Obscured)

48
69
81
66
52
34
48
57
3
3
0
0
0
0
0
0
0
0
3
6
9
6
3
0

High Clouds (% Sky Obscured)

26
18
1
0
0
0
0
0
0
0
0
0
0
0
0
28
46
64
61
66
66
69
72
75

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 (%)

23
20
3
0
1
0
1
1
0
6
9
16
5
7
6
5
5
4
13
15
15
13
9
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)

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

Chance of Frost

Temperature (°C)

26
26
24
24
22
21
20
19
19
18
18
17
17
17
16
17
18
20
21
22
23
25
25
25

Feels Like (°C)

24
25
23
22
21
20
20
19
19
19
19
19
18
18
18
18
18
19
19
19
19
19
24
23

Dew Point (°C)

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

Relative Humidity (%)

52
50
54
56
61
68
76
78
82
85
88
90
93
92
90
83
76
70
63
54
46
40
39
39

Pressure (mb)

1010
1010
1010
1011
1011
1011
1012
1012
1012
1012
1013
1013
1013
1013
1013
1014
1013
1013
1014
1014
1014
1013
1014
1014

Ozone (du)

311
311
312
312
312
313
313
314
315
316
317
320
324
326
327
329
328
328
327
326
326
325
327
329

Wednesday 5

Waning Gibbous 48%

22:52

15:24

16 Bad
17 OK
18 OK
19 OK
20 OK
21 OK
22 OK
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

Sun - Rise: 05:41, Set: 20:51, Transit: 13:15. Moon - Rise: 22:52, Set: 15:24. Civil Dark: 21:30 - 05:02. Nautical Dark: 22:22 - 04:10. Astro Dark: 23:31 - 03:03

Total Clouds (% Sky Obscured)

56
37
18
19
25
35
39
43
51
58
66
69
74
75
76
83
90
97
98
99
100
97
94
92

Low Clouds (% Sky Obscured)

35
25
16
19
25
27
21
18
11
13
16
18
20
26
30
54
72
88
91
94
98
92
86
82

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
4
11
20
25
26
22
26
30
33
27
24
30
29
33
37
37
37
38

High Clouds (% Sky Obscured)

50
25
0
19
25
35
39
20
1
21
39
62
61
60
51
58
56
59
63
67
66
71
70
75

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

Precipitation Probability (%)

2
4
0
3
2
1
1
0
0
2
4
5
6
6
6
46
74
93
94
86
51
41
43
47

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.7
0.6
0.5
0
0
0
0

Wind Speed/Direction (mph)

15
14
13
12
11
9
8
6
5
4
4
3
3
2
3
3
4
5
7
7
8
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

39
44
50
57
66
73
83
88
90
93
93
95
95
92
89
86
81
74
70
67
65
62
55
47

Pressure (mb)

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

Ozone (du)

330
330
329
328
328
328
328
328
327
327
327
327
327
326
324
323
324
325
325
327
329
331
336
342

Thursday 6

Third Quarter 37%

23:17

No Set

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
10 Bad
11 Bad
12 Bad

Sun - Rise: 05:43, Set: 20:49, Transit: 13:15. Moon - Rise: 23:17, Set: No Set. Civil Dark: 21:28 - 05:04. Nautical Dark: 22:20 - 04:13. Astro Dark: 23:27 - 03:06

Total Clouds (% Sky Obscured)

93
94
95
93
90
87
89
88
87
87
87
87
87
87
87
88
84
81
81
82
78

Low Clouds (% Sky Obscured)

81
82
82
81
79
81
77
73
64
64
65
70
70
65
65
70
70
70
65
65
70

Medium Clouds (% Sky Obscured)

34
24
15
10
5
5
5
5
9
13
23
33
32
30
29
26
22
22
19
19
20

High Clouds (% Sky Obscured)

53
31
8
33
56
80
69
63
55
64
67
65
56
60
65
66
63
61
50
31
15

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

Precipitation Probability (%)

49
52
62
64
63
72
63
40
16
29
20
4
14
14
7
15
20
9
12
9
5

Precipitation Amount (mm)

0
0
0.3
0.3
0.3
0.5
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
7
6
2
5
9
8
9
10
10
10
9
10
9
9
9
9
10
9
10

Chance of Frost

Temperature (°C)

21
21
21
21
19
18
17
16
15
15
14
14
14
14
14
14
16
17
18
18
19

Feels Like (°C)

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

Dew Point (°C)

7
7
7
6
8
9
11
11
10
9
9
9
9
9
9
9
8
6
4
3
3

Relative Humidity (%)

40
39
38
37
46
56
68
69
69
68
70
71
73
71
71
71
59
49
41
36
32

Pressure (mb)

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

Ozone (du)

347
343
339
335
333
330
328
326
324
322
321
319
317
316
315
313
312
311
310
310
310

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

Generated: 31/07/26 16:29:52. Forecast: 31/07/26 to 06/08/26. Timezone: UTC+1.00