Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 15

Waxing Crescent 10%

10:35

21:12

12 Good
13 OK
14 OK
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
10 Bad
11 Bad

Sun - Rise: 05:50, Set: 20:25, Transit: 13:07. Moon - Rise: 10:35, Set: 21:12. Civil Dark: 21:02 - 05:13. Nautical Dark: 21:50 - 04:26. Astro Dark: 22:47 - 03:29

Total Clouds (% Sky Obscured)

12
19
32
53
73
88
98
68
62
96
77
55
75
87
89
58
92
99
95
99
59
53
54
84

Low Clouds (% Sky Obscured)

12
19
24
42
62
78
76
57
40
93
70
40
48
39
37
39
33
34
29
21
12
0
0
0

Medium Clouds (% Sky Obscured)

10
12
15
20
23
23
21
29
31
32
21
15
18
17
19
6
10
58
44
98
54
51
40
68

High Clouds (% Sky Obscured)

0
0
0
0
0
3
48
7
4
2
0
1
22
40
45
9
88
97
90
72
39
3
2
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
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
9
3
4
2
1
6
6
0
12
13
2
3
2
9
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)

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

Chance of Frost

Temperature (°C)

25
26
27
27
27
27
27
26
25
23
22
20
19
18
17
17
16
16
15
15
17
17
19
21

Feels Like (°C)

25
25
26
27
28
27
26
26
25
25
20
17
18
17
16
15
16
15
14
15
15
18
20
22

Dew Point (°C)

13
14
15
15
15
15
15
15
15
16
13
10
9
9
10
10
10
11
10
10
9
9
8
7

Relative Humidity (%)

47
47
47
47
46
47
49
49
53
64
56
51
54
58
61
64
68
72
72
68
61
56
50
41

Pressure (mb)

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

Ozone (du)

323
324
326
327
322
319
318
320
321
321
319
319
318
316
317
317
315
315
315
316
313
311
311
313

Sunday 16

Waxing Crescent 18%

11:53

21:24

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
10 Bad
11 Bad

Sun - Rise: 05:52, Set: 20:23, Transit: 13:06. Moon - Rise: 11:53, Set: 21:24. Civil Dark: 21:00 - 05:15. Nautical Dark: 21:47 - 04:28. Astro Dark: 22:44 - 03:32

Total Clouds (% Sky Obscured)

96
87
97
53
100
74
100
100
100
100
100
100
100
100
100
99
100
100
100
95
97
99
99
78

Low Clouds (% Sky Obscured)

0
1
7
9
14
2
16
40
23
21
24
41
47
13
72
68
22
34
64
13
35
19
25
31

Medium Clouds (% Sky Obscured)

33
23
26
19
95
74
87
93
66
84
80
99
98
100
100
99
97
96
85
87
75
86
82
49

High Clouds (% Sky Obscured)

25
61
97
2
100
14
96
100
100
100
100
100
100
100
88
92
100
99
100
67
64
49
73
52

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

Precipitation Probability (%)

1
28
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
11

Precipitation Amount (mm)

0
0.3
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
8
8
8
9
10
7
7
5
4
4
4
4
3
3
3
3
3
3
5
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
5
4
4
2
3
2
2
2
2
3
3
5
7
8
7
7
8
8
7
8
8
8
8

Relative Humidity (%)

34
30
28
26
23
25
23
25
27
30
33
35
40
49
53
52
52
57
57
53
51
48
47
44

Pressure (mb)

1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018

Ozone (du)

314
318
322
325
324
330
328
326
323
321
320
320
319
317
315
313
312
309
308
306
304
303
302
301

Monday 17

Waxing Crescent 27%

11:53

21:38

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
10 Bad
11 Bad

Sun - Rise: 05:54, Set: 20:21, Transit: 13:06. Moon - Rise: 11:53, Set: 21:38. Civil Dark: 20:58 - 05:17. Nautical Dark: 21:45 - 04:30. Astro Dark: 22:40 - 03:35

Total Clouds (% Sky Obscured)

91
98
88
98
96
94
89
90
90
66
82
69
74
57
91
78
93
99
95
97
99
100
100
100

Low Clouds (% Sky Obscured)

49
42
50
61
53
44
67
57
51
27
22
61
17
14
11
39
39
31
18
27
57
92
90
89

Medium Clouds (% Sky Obscured)

59
95
60
93
89
94
84
66
83
23
25
16
9
21
24
28
35
30
43
47
89
80
59
61

High Clouds (% Sky Obscured)

18
14
56
52
6
4
4
6
0
5
58
38
67
22
88
77
91
98
70
79
90
100
100
100

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 (%)

11
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
5
8
20
31
35
63
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
0.4
0.6

Wind Speed/Direction (mph)

6
8
9
8
9
8
7
7
6
5
3
4
5
6
6
7
8
9
9
9
11
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

41
39
45
37
43
41
42
43
50
52
60
62
58
65
69
69
71
75
82
81
78
76
72
70

Pressure (mb)

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

Ozone (du)

300
298
299
298
298
299
301
301
302
306
304
301
302
302
300
300
299
298
299
299
299
299
300
299

Tuesday 18

Waxing Crescent 36%

13:10

21:54

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
10 Bad
11 Bad

Sun - Rise: 05:55, Set: 20:19, Transit: 13:06. Moon - Rise: 13:10, Set: 21:54. Civil Dark: 20:55 - 05:19. Nautical Dark: 21:42 - 04:32. Astro Dark: 22:37 - 03:38

Total Clouds (% Sky Obscured)

100
100
100
100
99
99
99
97
96
95
97
99
100
100
100
100
100
100
100
100
50
50
57
70

Low Clouds (% Sky Obscured)

86
84
79
77
79
82
71
85
85
92
90
89
87
83
79
78
72
66
60
63
16
25
33
39

Medium Clouds (% Sky Obscured)

71
98
65
25
79
99
99
97
96
95
96
96
70
96
93
91
85
11
0
0
0
0
4
7

High Clouds (% Sky Obscured)

100
98
96
94
78
59
42
34
29
26
24
41
57
63
64
60
100
100
74
53
45
45
45
49

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
4
9
9
6
2
3
3
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
None
None
None
None
Light Rain
Very Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

85
71
50
30
28
32
40
37
49
68
50
46
72
95
95
95
69
11
2
0
0
0
0
2

Precipitation Amount (mm)

0.6
0.5
0
0
0
0
0
0
0
0.4
0.2
0
0.4
1.4
1.7
1
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

16
16
16
16
17
17
18
17
18
18
18
17
15
15
15
15
14
14
14
13
13
12
11
10

Relative Humidity (%)

74
74
73
70
75
76
81
81
85
89
91
89
85
89
93
92
92
90
90
89
83
72
63
54

Pressure (mb)

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

Ozone (du)

300
298
298
297
296
295
295
295
295
295
295
296
296
294
294
295
298
309
312
316
318
321
321
322

Wednesday 19

Waxing Crescent 46%

14:25

22:15

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 OK
06 Good
07 OK
08 OK
09 OK
10 Bad
11 Bad

Sun - Rise: 05:57, Set: 20:16, Transit: 13:06. Moon - Rise: 14:25, Set: 22:15. Civil Dark: 20:53 - 05:20. Nautical Dark: 21:39 - 04:34. Astro Dark: 22:34 - 03:41

Total Clouds (% Sky Obscured)

100
99
96
97
89
86
79
86
93
100
100
100
100
95
91
83
51
26
4
14
21
30
46
61

Low Clouds (% Sky Obscured)

65
73
32
15
13
12
13
6
6
20
35
53
51
38
24
1
2
4
4
14
21
30
46
59

Medium Clouds (% Sky Obscured)

9
10
13
71
61
11
12
12
12
11
10
10
8
9
8
5
2
1
0
0
1
1
13
27

High Clouds (% Sky Obscured)

100
62
91
93
62
67
50
67
86
100
100
100
100
90
81
76
49
26
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 (%)

2
0
1
0
1
1
1
0
1
0
0
0
0
0
0
0
1
1
0
2
2
1
4
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)

10
11
12
15
16
14
13
11
8
7
7
7
7
7
6
5
5
5
5
5
6
8
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
17
17
17
17
17
17
17
16
15
14
13
13
12
12
13
12
11
11
11
13
13
14
15

Dew Point (°C)

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

Relative Humidity (%)

47
41
37
32
31
32
34
39
46
51
56
63
69
73
78
84
92
90
90
89
75
64
53
51

Pressure (mb)

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

Ozone (du)

323
324
324
325
327
330
334
336
336
337
338
340
340
342
342
343
344
345
345
346
346
345
345
344

Thursday 20

First Quarter 56%

15:38

22:44

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

Sun - Rise: 05:58, Set: 20:14, Transit: 13:06. Moon - Rise: 15:38, Set: 22:44. Civil Dark: 20:51 - 05:22. Nautical Dark: 21:37 - 04:36. Astro Dark: 22:30 - 03:44

Total Clouds (% Sky Obscured)

76
82
88
93
86
80
71
56
43
34
28
20
13
17
22
25
44
63
82
88
89
85
78
77

Low Clouds (% Sky Obscured)

58
61
65
69
73
75
71
56
35
15
10
5
2
2
3
4
4
4
6
16
26
34
42
43

Medium Clouds (% Sky Obscured)

44
48
48
50
44
40
36
31
23
10
9
6
5
5
5
4
4
4
3
2
1
0
4
9

High Clouds (% Sky Obscured)

0
26
54
76
62
49
32
20
9
0
0
0
0
6
13
19
38
56
82
88
88
83
59
41

ISS Passover

Visibility (miles)

9
9
8
8
7
8
8
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 (%)

8
18
19
18
23
24
21
20
18
20
23
18
1
1
0
0
0
0
0
0
0
0
10
12

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

49
46
44
41
40
41
43
44
53
64
77
79
83
86
86
87
87
87
87
87
78
70
64
60

Pressure (mb)

1010
1009
1009
1009
1008
1008
1008
1008
1009
1009
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1012
1012
1012

Ozone (du)

343
342
342
342
342
342
342
342
342
342
343
343
343
344
344
344
344
343
342
341
342
343
344
345

Friday 21

Waxing Gibbous 66%

16:43

23:23

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 OK
02 OK
03 Good
04 OK
05 OK
06 OK

Sun - Rise: 06:00, Set: 20:12, Transit: 13:05. Moon - Rise: 16:43, Set: 23:23. Civil Dark: 20:49 - 05:24. Nautical Dark: 21:34 - 04:38. Astro Dark: 22:27 - 03:46

Total Clouds (% Sky Obscured)

76
79
83
87
87
88
89
90
92
93
80
66
53
36
20
4
7
12
18

Low Clouds (% Sky Obscured)

50
45
39
39
29
19
8
13
29
45
51
43
34
26
15
4
5
8
10

Medium Clouds (% Sky Obscured)

13
18
21
27
29
31
33
38
44
50
49
42
32
24
11
0
0
1
1

High Clouds (% Sky Obscured)

20
13
6
4
2
1
0
0
0
0
2
4
6
4
2
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

Fog (%)

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

Precipitation Probability (%)

13
17
18
17
13
7
1
1
0
0
0
0
0
2
2
1
2
2
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
19
19
19
19
19
18
17
17
16
17
17
17
13
12
12
12
11

Dew Point (°C)

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

Relative Humidity (%)

56
53
50
45
41
43
45
46
48
52
56
61
66
70
78
84
92
92
90

Pressure (mb)

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

Ozone (du)

345
346
345
344
343
343
342
342
342
342
343
343
343
343
344
345
346
347
348

Forecast for Bray Court, Windsor and Maidenhead, United Kingdom (51.50,-0.70)

Generated: 15/08/26 12:27:55. Forecast: 15/08/26 to 21/08/26. Timezone: UTC+1.00