Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 22

Waxing Gibbous 75%

18:42

00:06

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

Sun - Rise: 06:04, Set: 20:22, Transit: 13:12. Moon - Rise: 18:42, Set: 00:06. Civil Dark: 21:00 - 05:26. Nautical Dark: 21:48 - 04:38. Astro Dark: 22:45 - 03:42

Total Clouds (% Sky Obscured)

27
24
18
21
30
24
33
34
19
35
46
48
21
16
17
26
34
37
35
44
46
40
33
22

Low Clouds (% Sky Obscured)

16
19
18
21
30
24
31
32
18
35
46
48
19
14
17
26
34
37
32
44
46
36
33
22

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
3
0

High Clouds (% Sky Obscured)

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

Chance of Frost

Temperature (°C)

17
15
13
12
12
11
10
10
9
9
9
8
9
11
14
16
17
18
19
20
20
21
20
20

Feels Like (°C)

16
15
13
13
13
12
12
11
10
10
9
8
9
12
14
16
18
18
19
19
19
20
20
20

Dew Point (°C)

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

Relative Humidity (%)

61
72
79
80
81
84
87
88
88
90
90
93
90
80
72
64
54
46
43
39
37
38
38
39

Pressure (mb)

1024
1025
1025
1025
1026
1026
1026
1026
1026
1025
1025
1025
1026
1026
1026
1026
1026
1026
1025
1025
1025
1024
1024
1024

Ozone (du)

356
354
353
353
355
353
352
351
350
349
348
347
347
347
347
347
345
344
342
341
340
339
338
338

Sunday 23

Waxing Gibbous 83%

No Rise

01:11

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

Sun - Rise: 06:06, Set: 20:19, Transit: 13:12. Moon - Rise: No Rise, Set: 01:11. Civil Dark: 20:57 - 05:28. Nautical Dark: 21:45 - 04:41. Astro Dark: 22:42 - 03:45

Total Clouds (% Sky Obscured)

22
25
27
25
22
27
17
33
56
55
39
25
44
16
11
35
66
95
88
99
100
99
81
100

Low Clouds (% Sky Obscured)

22
25
27
25
22
5
0
7
28
25
19
22
20
13
8
35
0
51
29
5
11
0
13
24

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
43
31
23
30
29
17
10

High Clouds (% Sky Obscured)

4
7
6
3
3
27
17
33
56
55
34
8
37
6
5
6
66
79
76
99
100
96
60
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
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)

6
6
5
3
2
4
4
3
3
3
3
4
4
4
6
8
10
11
12
12
11
12
12
12

Chance of Frost

Temperature (°C)

19
17
15
14
14
13
12
11
11
11
10
10
10
13
15
17
19
20
21
21
21
21
21
21

Feels Like (°C)

19
17
15
15
14
12
10
11
10
9
9
8
10
11
14
16
17
17
17
17
17
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

46
58
68
74
74
72
79
81
84
88
90
91
85
72
61
53
45
39
33
31
32
32
34
38

Pressure (mb)

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

Ozone (du)

337
336
335
335
334
333
332
332
332
332
332
332
332
333
332
331
330
330
328
325
323
320
318
318

Monday 24

Waxing Gibbous 90%

19:11

02:25

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 OK
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: 06:08, Set: 20:17, Transit: 13:11. Moon - Rise: 19:11, Set: 02:25. Civil Dark: 20:55 - 05:30. Nautical Dark: 21:42 - 04:43. Astro Dark: 22:38 - 03:48

Total Clouds (% Sky Obscured)

97
94
82
46
44
42
100
100
96
84
89
89
87
96
98
100
89
93
94
100
100
100
100
100

Low Clouds (% Sky Obscured)

31
38
39
20
22
21
21
0
5
5
6
7
23
28
49
56
50
13
16
21
25
37
47
56

Medium Clouds (% Sky Obscured)

36
52
4
36
44
42
47
70
38
46
59
58
60
94
94
89
61
57
83
90
80
65
80
100

High Clouds (% Sky Obscured)

92
79
82
23
21
17
100
100
85
53
49
50
51
13
13
35
41
83
72
100
100
95
90
86

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
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
5
9
33
20
21
20
18
18
19

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

42
49
54
60
67
67
70
83
87
89
90
89
84
75
68
60
51
41
36
33
32
33
33
36

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1016
1015
1015
1015
1015
1015
1015
1015
1014
1014
1013
1013
1012
1012
1012
1012

Ozone (du)

319
319
320
320
322
323
323
324
326
326
324
322
322
322
322
322
322
321
321
322
323
322
320
318

Tuesday 25

Waxing Gibbous 95%

19:31

03:43

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: 06:09, Set: 20:15, Transit: 13:11. Moon - Rise: 19:31, Set: 03:43. Civil Dark: 20:52 - 05:32. Nautical Dark: 21:40 - 04:45. Astro Dark: 22:35 - 03:51

Total Clouds (% Sky Obscured)

100
100
100
90
81
71
78
84
91
88
87
85
90
95
100
100
100
100
99
98
97
87
76
66

Low Clouds (% Sky Obscured)

52
49
47
43
40
38
44
61
54
59
55
72
72
72
72
75
79
83
72
65
74
72
61
23

Medium Clouds (% Sky Obscured)

95
91
87
83
78
46
60
76
78
74
68
66
65
64
54
26
33
33
24
15
4
7
13
13

High Clouds (% Sky Obscured)

90
95
100
83
67
50
53
65
78
78
78
75
80
89
100
100
100
98
97
93
90
72
53
35

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
9
9
9
9
9
9
7
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 (%)

18
14
2
2
2
0
2
3
4
10
20
37
55
43
38
29
32
22
24
29
35
33
26
24

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

Chance of Frost

Temperature (°C)

20
19
18
17
17
16
16
16
16
16
16
15
15
16
18
19
20
20
22
23
24
25
24
23

Feels Like (°C)

16
15
14
14
14
14
14
15
15
15
15
15
15
16
18
19
19
21
22
23
24
25
24
22

Dew Point (°C)

7
8
9
10
10
10
11
11
11
11
12
13
13
14
16
17
17
18
17
16
15
16
17
16

Relative Humidity (%)

43
51
57
61
64
67
72
72
70
75
79
86
85
87
89
86
85
85
76
63
57
57
62
63

Pressure (mb)

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

Ozone (du)

316
315
314
314
315
314
313
314
314
315
316
315
317
318
320
321
321
320
321
321
321
322
322
322

Wednesday 26

Waxing Gibbous 99%

19:46

05:02

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: 06:11, Set: 20:13, Transit: 13:11. Moon - Rise: 19:46, Set: 05:02. Civil Dark: 20:50 - 05:34. Nautical Dark: 21:37 - 04:47. Astro Dark: 22:31 - 03:54

Total Clouds (% Sky Obscured)

71
81
73
75
73
98
78
93
100
100
100
100
98
96
93
82
70
58
64
66
68
71
71
71

Low Clouds (% Sky Obscured)

51
48
14
15
22
28
34
40
53
59
81
87
81
72
62
56
49
44
45
46
47
49
50
49

Medium Clouds (% Sky Obscured)

8
4
0
7
15
43
30
33
44
100
100
100
85
71
54
43
35
27
25
18
12
10
8
7

High Clouds (% Sky Obscured)

47
48
66
73
73
97
78
93
100
100
100
100
93
89
84
82
70
58
64
66
68
65
54
52

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
6
9
3
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
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None

Precipitation Probability (%)

22
31
3
12
23
11
46
79
95
95
95
95
95
95
95
95
95
95
95
95
85
75
70
58

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.7
2
1
1.5
3.2
1.7
1.6
1.4
1.1
1.4
1.1
0.7
0.6
0.6
0.4
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
22
21
19
19
18
18
18
17
17
17
17
17
18
19
19
21
22
23
24
24
24
24
23

Feels Like (°C)

21
21
20
20
20
19
17
18
17
15
16
17
17
17
17
17
17
17
17
25
22
21
22
22

Dew Point (°C)

17
17
16
17
17
16
16
16
16
16
15
16
16
16
16
15
13
11
9
8
7
6
7
7

Relative Humidity (%)

69
73
76
86
89
89
89
88
89
92
90
92
92
88
82
77
62
49
39
36
34
31
34
36

Pressure (mb)

1009
1009
1009
1009
1009
1009
1008
1008
1007
1007
1007
1006
1006
1006
1005
1005
1005
1005
1004
1004
1004
1004
1004
1004

Ozone (du)

322
323
324
321
321
320
319
318
320
324
329
331
334
337
340
343
344
345
346
346
346
346
345
344

Thursday 27

Waxing Gibbous 100%

19:57

06:22

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: 06:13, Set: 20:10, Transit: 13:10. Moon - Rise: 19:57, Set: 06:22. Civil Dark: 20:47 - 05:36. Nautical Dark: 21:34 - 04:50. Astro Dark: 22:28 - 03:57

Total Clouds (% Sky Obscured)

79
87
94
90
87
88
93
97
100
100
100
100
99
97
94
93
90
89
80
72
61
60
62
62

Low Clouds (% Sky Obscured)

51
52
56
52
48
47
53
71
78
87
87
83
71
64
54
54
51
51
52
56
49
47
47
44

Medium Clouds (% Sky Obscured)

7
7
7
13
18
23
27
28
32
45
50
55
64
72
78
72
68
65
54
42
31
35
35
35

High Clouds (% Sky Obscured)

58
65
71
68
65
62
75
88
100
100
100
100
91
84
76
73
74
69
64
59
54
48
42
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

44
34
20
25
24
7
16
16
13
19
23
16
17
18
15
31
41
52
75
85
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
0.4
0.5
0.9
0.9
0.7
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

38
47
59
72
73
73
74
75
78
82
83
84
87
75
65
56
52
50
47
46
46
45
47
49

Pressure (mb)

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

Ozone (du)

343
342
341
340
340
339
338
338
338
338
338
338
339
339
339
340
341
342
344
345
346
347
345
343

Friday 28

Full Moon 99%

20:07

07:41

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: 06:15, Set: 20:08, Transit: 13:10. Moon - Rise: 20:07, Set: 07:41. Civil Dark: 20:45 - 05:38. Nautical Dark: 21:31 - 04:52. Astro Dark: 22:24 - 03:59

Total Clouds (% Sky Obscured)

69
74
80
89
93
97
97
98
98
99
99
100
100
100
100
99
98
98

Low Clouds (% Sky Obscured)

50
60
68
75
82
90
93
96
98
99
99
100
100
100
100
99
98
96

Medium Clouds (% Sky Obscured)

44
53
65
68
71
75
63
51
34
34
29
28
29
29
30
24
23
22

High Clouds (% Sky Obscured)

54
68
80
55
29
3
3
2
1
1
0
0
8
18
26
21
15
7

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

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

Precipitation Probability (%)

95
95
95
95
95
95
84
78
61
74
74
63
78
85
84
40
53
42

Precipitation Amount (mm)

0.7
0.5
0.9
0.7
0.7
0.3
0.5
0.5
0.2
0.4
0.4
0.2
0.5
0.6
0.8
0
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
17
16
16
16
16
16
15
15
15
15
15
15
15
15
15
16
17

Feels Like (°C)

17
15
16
16
16
16
16
13
13
13
13
13
13
11
11
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

50
57
63
70
75
79
83
85
86
86
86
86
86
79
74
68
63
57

Pressure (mb)

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

Ozone (du)

342
339
336
334
331
328
326
326
326
326
328
329
330
329
327
326
324
323

Forecast for High Legh, Cheshire East, United Kingdom (53.36,-2.44)

Generated: 22/08/26 19:12:56. Forecast: 22/08/26 to 28/08/26. Timezone: UTC+1.00