Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 22

Waxing Gibbous 75%

17:42

00:10

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

Sun - Rise: 06:01, Set: 20:12, Transit: 13:05. Moon - Rise: 17:42, Set: 00:10. Civil Dark: 20:48 - 05:24. Nautical Dark: 21:35 - 04:38. Astro Dark: 22:28 - 03:45

Total Clouds (% Sky Obscured)

0
11
27
36
62
65
50
52
61
67
67
26
30
37
50
51
50
44
36
36
45
41
37
15

Low Clouds (% Sky Obscured)

0
11
27
31
26
34
36
51
61
65
55
8
15
18
21
21
18
15
17
23
29
28
24
9

Medium Clouds (% Sky Obscured)

0
0
9
31
31
30
18
9
13
17
18
22
25
27
36
37
32
28
22
0
0
0
0
0

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 (%)

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
16
17
17
18
19
19
18
18
16
15
15
15
14
14
13
14
13
13
12
12
12
14
15

Dew Point (°C)

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

Relative Humidity (%)

50
46
42
38
35
33
31
30
31
40
46
50
57
61
63
65
71
75
79
81
84
79
68
61

Pressure (mb)

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

Ozone (du)

359
361
360
359
358
359
359
359
359
358
358
358
358
359
359
359
359
356
355
355
354
352
349
347

Sunday 23

Waxing Gibbous 83%

18:25

01:14

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

Sun - Rise: 06:02, Set: 20:10, Transit: 13:05. Moon - Rise: 18:25, Set: 01:14. Civil Dark: 20:46 - 05:26. Nautical Dark: 21:32 - 04:40. Astro Dark: 22:25 - 03:48

Total Clouds (% Sky Obscured)

3
42
50
50
47
46
54
43
40
50
36
40
21
32
39
30
22
20
40
99
86
80
81
45

Low Clouds (% Sky Obscured)

2
24
12
19
18
14
14
0
1
11
22
15
18
29
32
24
16
14
8
7
0
0
0
0

Medium Clouds (% Sky Obscured)

0
29
29
25
25
25
32
30
31
32
26
23
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
2
1
1
2
2
2
2
34
99
86
79
81
40

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
20
21
22
22
23
23
23
22
21
20
17
15
15
15
14
14
13
12
10
9
10
11
11

Dew Point (°C)

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

Relative Humidity (%)

54
46
40
35
31
29
28
27
28
30
38
47
62
69
75
76
79
83
84
86
87
83
66
57

Pressure (mb)

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

Ozone (du)

347
346
345
344
343
343
342
342
341
341
340
339
338
337
338
338
337
336
334
330
328
327
325
325

Monday 24

Waxing Gibbous 90%

18:55

02:26

10 Bad
11 Bad
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

Sun - Rise: 06:04, Set: 20:07, Transit: 13:05. Moon - Rise: 18:55, Set: 02:26. Civil Dark: 20:44 - 05:28. Nautical Dark: 21:29 - 04:42. Astro Dark: 22:22 - 03:51

Total Clouds (% Sky Obscured)

89
86
86
96
95
93
100
74
88
72
81
75
80
100
100
100
100
99
98
74
88
85
82
78

Low Clouds (% Sky Obscured)

36
29
32
17
36
29
35
18
0
0
0
0
4
5
7
11
18
19
32
28
38
36
22
15

Medium Clouds (% Sky Obscured)

3
47
50
88
94
91
70
71
61
30
36
30
39
38
44
38
39
38
33
26
63
82
82
78

High Clouds (% Sky Obscured)

35
40
35
37
35
49
100
42
63
46
73
69
77
100
100
100
100
93
82
37
32
37
37
32

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
1
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
13
13
13
14
14
13
15
14
13
12
11
11
11
11
11
10
10
10
10
10
10
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
6
6
6
7
7
8
7
7
8
10
10
11
12
12
12
13
13
13
14
14
13
14
13

Relative Humidity (%)

49
42
39
36
35
36
38
37
39
44
55
63
71
78
83
87
92
92
93
96
96
93
86
72

Pressure (mb)

1022
1021
1021
1020
1019
1018
1018
1017
1017
1016
1017
1017
1017
1017
1017
1016
1015
1015
1014
1014
1014
1014
1014
1014

Ozone (du)

324
323
323
323
323
324
324
324
324
326
327
326
325
324
324
324
324
323
323
322
321
319
317
319

Tuesday 25

Waxing Gibbous 95%

19:17

03:42

10 Bad
11 Bad
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

Sun - Rise: 06:05, Set: 20:05, Transit: 13:05. Moon - Rise: 19:17, Set: 03:42. Civil Dark: 20:41 - 05:29. Nautical Dark: 21:27 - 04:44. Astro Dark: 22:18 - 03:53

Total Clouds (% Sky Obscured)

77
76
77
83
91
100
99
97
95
96
98
100
100
100
100
65
56
63
72
73
76
83
91
100

Low Clouds (% Sky Obscured)

12
8
3
23
29
50
66
63
66
63
57
35
11
5
1
2
2
2
5
25
14
18
21
21

Medium Clouds (% Sky Obscured)

73
76
77
83
89
89
92
94
95
92
88
20
20
23
25
20
16
13
48
31
65
5
8
12

High Clouds (% Sky Obscured)

36
40
50
63
80
100
82
59
34
47
73
100
100
100
100
50
42
55
67
66
74
83
91
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
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 (%)

1
1
0
0
0
1
5
29
38
5
0
0
0
0
0
0
0
0
0
0
0
1
1
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
13
12
12
11
10
7
11
6
5
6
5
4
3
2
2
2
2
2
2
2
3
4

Chance of Frost

Temperature (°C)

19
21
23
24
24
25
25
24
23
21
20
19
18
17
17
16
16
15
15
15
15
15
17
19

Feels Like (°C)

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

Dew Point (°C)

11
10
9
9
9
9
9
11
18
19
18
17
16
16
16
15
15
14
14
13
13
12
13
14

Relative Humidity (%)

58
47
42
39
37
36
36
43
74
89
84
84
88
90
92
93
93
93
92
92
90
84
76
69

Pressure (mb)

1013
1013
1013
1012
1012
1012
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

322
322
320
318
316
314
314
312
311
312
315
315
315
314
314
314
316
316
316
315
316
317
318
319

Wednesday 26

Waxing Gibbous 99%

19:34

05:00

10 Bad
11 Bad
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

Sun - Rise: 06:07, Set: 20:03, Transit: 13:04. Moon - Rise: 19:34, Set: 05:00. Civil Dark: 20:39 - 05:31. Nautical Dark: 21:24 - 04:47. Astro Dark: 22:15 - 03:56

Total Clouds (% Sky Obscured)

100
100
100
99
98
98
90
86
86
82
91
77
95
100
100
100
100
100
100
100
100
98
98
96

Low Clouds (% Sky Obscured)

21
21
43
70
77
63
65
57
53
23
17
16
19
39
80
79
72
64
66
68
70
75
81
87

Medium Clouds (% Sky Obscured)

17
22
26
40
87
19
14
15
13
16
24
24
41
34
95
88
82
75
82
88
94
87
81
76

High Clouds (% Sky Obscured)

100
100
100
97
95
91
31
53
45
48
73
62
90
100
100
100
100
100
100
100
100
90
83
85

ISS Passover

Visibility (miles)

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

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
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain

Precipitation Probability (%)

13
20
28
61
58
57
48
40
43
28
17
5
8
16
38
79
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0.3
0
0
0
0
0.2
0
0
0
0
0
0
0.4
0.9
1.4
1.5
1.3
0.6
1.2
1.9
3.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
22
23
23
24
24
23
23
23
22
21
20
21
18
18
18
18
18
18
17
17
17
18
18

Dew Point (°C)

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

Relative Humidity (%)

63
59
55
51
52
54
53
55
54
54
63
68
72
72
72
70
77
85
95
93
93
93
86
80

Pressure (mb)

1012
1012
1012
1012
1011
1011
1011
1011
1010
1010
1010
1009
1010
1009
1009
1008
1008
1007
1006
1005
1005
1004
1004
1004

Ozone (du)

319
319
320
321
321
323
324
322
321
321
319
319
318
318
317
315
316
317
318
321
323
325
332
339

Thursday 27

Waxing Gibbous 100%

19:48

06:17

10 Bad
11 Bad
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

Sun - Rise: 06:09, Set: 20:01, Transit: 13:04. Moon - Rise: 19:48, Set: 06:17. Civil Dark: 20:37 - 05:33. Nautical Dark: 21:21 - 04:49. Astro Dark: 22:12 - 03:59

Total Clouds (% Sky Obscured)

89
83
77
74
72
61
59
61
63
69
74
88
96
98
100
94
89
80
86
92
99
99
99
100

Low Clouds (% Sky Obscured)

65
44
22
17
12
6
9
9
15
18
20
21
26
20
15
22
24
26
21
17
15
9
6
5

Medium Clouds (% Sky Obscured)

56
37
18
14
7
0
0
0
0
18
34
46
39
25
20
14
10
9
8
6
5
31
57
81

High Clouds (% Sky Obscured)

80
82
74
70
69
61
59
61
63
69
74
88
96
98
100
88
75
59
72
86
98
99
99
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

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

Precipitation Probability (%)

95
95
95
89
68
35
31
23
9
7
4
0
1
1
0
0
0
0
2
3
2
6
7
3

Precipitation Amount (mm)

1.6
1
0.8
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
18
17
16
23
21
20
20
20
20
16
16
17
17
16
16
13
13
14
13
13
13
13
14

Dew Point (°C)

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

Relative Humidity (%)

76
63
53
44
44
43
42
44
45
47
53
60
68
73
75
78
82
86
90
89
89
87
77
68

Pressure (mb)

1004
1003
1003
1003
1003
1003
1003
1003
1003
1003
1004
1004
1004
1004
1004
1004
1003
1003
1003
1003
1003
1003
1002
1002

Ozone (du)

345
344
342
340
340
341
342
342
341
341
341
340
340
341
342
342
341
341
340
338
336
335
334
333

Friday 28

Full Moon 99%

19:59

07:35

10 Bad
11 Bad
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

Sun - Rise: 06:10, Set: 19:59, Transit: 13:04. Moon - Rise: 19:59, Set: 07:35. Civil Dark: 20:34 - 05:35. Nautical Dark: 21:19 - 04:51. Astro Dark: 22:09 - 04:01

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
93
85
77
86
93
100
100
100
100
95
90
85

Low Clouds (% Sky Obscured)

22
39
55
65
61
64
56
49
41
47
48
46
41
37
32
36
40
42
51
60
69

Medium Clouds (% Sky Obscured)

88
94
100
100
100
100
95
89
84
70
63
57
65
68
70
74
78
81
66
50
43

High Clouds (% Sky Obscured)

100
100
100
100
100
100
97
94
93
81
68
55
75
89
100
86
78
67
48
34
17

ISS Passover

Visibility (miles)

9
8
7
5
5
6
6
7
8
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
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

26
39
53
70
87
95
93
69
56
47
32
9
35
67
95
95
95
95
95
95
92

Precipitation Amount (mm)

0
0
0
0.3
0.5
1.1
0.9
0.4
0.3
0
0
0
0
0.3
0.8
0.8
0.9
0.9
1
0.9
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
12
14
17
17
18
19
18
18
17
17
17
16
15
14
14
14
14
14
14
15

Relative Humidity (%)

60
66
73
81
85
89
93
92
91
89
90
92
92
90
89
87
89
92
95
95
95

Pressure (mb)

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

Ozone (du)

332
332
331
331
331
330
330
330
331
331
331
330
330
330
329
328
327
325
323
322
322

Forecast for Milton Keynes, Milton Keynes, United Kingdom (52.04,-0.76)

Generated: 22/08/26 10:20:26. Forecast: 22/08/26 to 28/08/26. Timezone: UTC+1.00