Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 27

Waxing Gibbous 100%

19:48

06:17

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 OK
08 Bad
09 Bad
10 Bad
11 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)

57
66
74
80
90
74
100
99
100
100
100
99
80
48
57
68
70
62
49
42
51
48
57
64

Low Clouds (% Sky Obscured)

57
66
64
38
45
25
22
16
33
45
34
30
11
25
31
43
46
42
36
36
36
37
29
29

Medium Clouds (% Sky Obscured)

57
29
62
7
42
4
6
84
95
96
100
99
80
48
48
6
2
0
0
0
0
0
15
15

High Clouds (% Sky Obscured)

57
66
74
72
81
69
100
79
100
100
100
71
35
5
9
16
10
8
2
0
8
6
44
64

ISS Passover

Visibility (miles)

4
8
5
3
4
7
9
5
7
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
4
86
44
0
0
0

Precipitation Type

Light Rain
Light Rain
Light Rain
Moderate 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

Precipitation Probability (%)

95
95
95
95
95
95
62
45
25
7
8
2
4
17
16
2
1
0
0
0
0
0
0
1

Precipitation Amount (mm)

0.8
0.7
1.5
2.7
1
0.9
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
8
6
9
6
7
6
7
5
5
5
7
8
8
9
9
9
9
9
9
12
13
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

18
18
18
16
15
15
15
16
15
15
15
15
14
14
13
13
13
13
14
14
14
14
14
13

Relative Humidity (%)

93
89
78
74
69
68
69
77
78
80
82
85
83
86
89
90
92
93
95
95
89
81
72
62

Pressure (mb)

1009
1008
1008
1008
1008
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1006

Ozone (du)

324
328
334
337
339
339
334
336
335
338
342
344
344
345
346
346
347
347
348
348
347
348
347
345

Friday 28

Full Moon 99%

19:59

07:35

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 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:11, 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
89
98
95
80
88
67
66
60
72
68
43
33
52
78
76
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

19
37
59
68
52
50
65
66
60
72
68
43
33
52
78
76
92
88
33
75
95
96
95
94

Medium Clouds (% Sky Obscured)

9
11
13
25
74
73
27
66
58
15
3
0
0
0
0
0
3
14
84
100
100
43
21
75

High Clouds (% Sky Obscured)

100
57
78
44
41
24
23
16
4
1
0
0
0
4
20
24
99
100
100
100
57
76
75
70

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
6
9
9
9
9
9
9
9
9
9
9
9
9
4
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
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

4
8
9
6
8
9
14
41
4
2
3
7
4
0
1
1
8
0
4
36
81
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0.3
1.6
1.8
0.8

Wind Speed/Direction (mph)

16
16
17
16
15
17
17
15
12
13
11
10
11
10
10
11
11
12
11
11
11
13
12
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

51
48
47
49
53
63
62
67
76
78
87
87
87
90
90
87
83
87
87
89
89
87
85
86

Pressure (mb)

1005
1005
1005
1005
1005
1005
1005
1005
1005
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1005
1005
1004

Ozone (du)

341
339
338
336
333
327
327
325
325
324
321
319
315
311
308
306
303
301
298
299
300
306
309
311

Saturday 29

Waning Gibbous 96%

20:10

08:53

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: 06:12, Set: 19:57, Transit: 13:04. Moon - Rise: 20:10, Set: 08:53. Civil Dark: 20:32 - 05:37. Nautical Dark: 21:16 - 04:53. Astro Dark: 22:06 - 04:04

Total Clouds (% Sky Obscured)

100
79
86
72
100
77
100
71
91
94
94
92
98
95
79
50
83
91
100
100
100
99
100
100

Low Clouds (% Sky Obscured)

96
71
58
43
82
66
59
55
58
82
81
76
76
61
39
19
23
31
40
40
43
41
43
32

Medium Clouds (% Sky Obscured)

93
79
66
33
69
16
7
8
15
20
21
23
17
8
1
6
0
0
4
4
70
25
76
55

High Clouds (% Sky Obscured)

17
34
47
64
100
4
76
0
0
0
0
0
79
68
73
27
72
85
100
100
100
99
99
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

95
56
72
95
95
44
9
3
11
24
17
3
1
0
0
0
0
0
0
0
0
0
1
2

Precipitation Amount (mm)

1.7
0
0.2
1.2
1.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
86
66
67
67
72
73
77
78
77
78
81
82
83
82
87
87
83
87
90
87
81
71
63

Pressure (mb)

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

Ozone (du)

310
309
311
311
309
309
310
308
308
312
310
308
308
308
308
308
307
307
308
309
309
309
309
310

Sunday 30

Waning Gibbous 91%

20:21

10:14

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 OK
09 OK
10 Bad
11 Bad

Sun - Rise: 06:14, Set: 19:54, Transit: 13:03. Moon - Rise: 20:21, Set: 10:14. Civil Dark: 20:30 - 05:39. Nautical Dark: 21:14 - 04:55. Astro Dark: 22:02 - 04:07

Total Clouds (% Sky Obscured)

97
95
90
85
67
89
100
92
81
70
78
80
93
87
69
64
63
66
45
41
32
27
44
55

Low Clouds (% Sky Obscured)

35
60
71
76
55
69
72
51
35
42
44
50
46
31
39
50
63
66
34
32
30
27
27
23

Medium Clouds (% Sky Obscured)

75
67
13
57
10
12
13
10
81
70
14
9
20
18
10
63
8
14
4
0
0
0
5
7

High Clouds (% Sky Obscured)

92
66
35
12
27
57
100
72
47
25
32
26
43
54
30
41
3
3
1
0
0
0
8
22

ISS Passover

Visibility (miles)

9
9
8
4
5
7
9
6
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
Very Light Rain
Very 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

Precipitation Probability (%)

3
25
49
64
75
79
93
86
58
29
21
18
12
14
15
3
0
0
0
0
0
0
0
1

Precipitation Amount (mm)

0
0
0
0.3
0.3
0.4
0.6
0.5
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
52
54
74
70
66
71
74
74
85
89
93
96
92
92
92
95
87
90
95
87
78
73
68

Pressure (mb)

1009
1008
1008
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1005
1005
1005
1006
1006
1007
1008
1009
1010
1010
1011

Ozone (du)

310
311
311
314
318
322
325
325
323
324
325
329
333
336
339
341
341
339
338
333
331
328
328
325

Monday 31

Waning Gibbous 83%

20:34

11:38

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: 06:15, Set: 19:52, Transit: 13:03. Moon - Rise: 20:34, Set: 11:38. Civil Dark: 20:27 - 05:40. Nautical Dark: 21:11 - 04:57. Astro Dark: 21:59 - 04:09

Total Clouds (% Sky Obscured)

82
97
99
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
98
94
92
87
77
65

Low Clouds (% Sky Obscured)

37
57
74
86
79
73
64
62
61
38
23
25
15
14
14
12
7
2
0
2
3
11
19
23

Medium Clouds (% Sky Obscured)

7
8
9
10
10
10
18
100
99
86
67
100
99
98
96
95
94
94
94
85
86
87
67
46

High Clouds (% Sky Obscured)

30
86
54
77
74
97
100
100
100
100
100
99
91
94
97
100
76
59
53
43
36
50
47
23

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 (%)

17
0
2
0
1
12
4
7
22
11
13
13
11
30
27
22
20
16
4
7
8
0
2
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)

17
17
16
15
13
13
12
12
11
11
10
10
9
9
9
8
8
8
8
8
9
10
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
62
67
68
65
64
67
66
73
78
80
84
83
87
87
89
89
89
87
87
79
74
67
63

Pressure (mb)

1012
1012
1013
1013
1013
1013
1013
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

323
319
318
317
316
314
312
312
312
312
314
315
316
318
319
320
320
322
323
325
326
327
328
329

Tuesday 1

Waning Gibbous 74%

20:50

No Set

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 OK
10 Bad
11 Bad

Sun - Rise: 06:17, Set: 19:50, Transit: 13:03. Moon - Rise: 20:50, Set: No Set. Civil Dark: 20:25 - 05:42. Nautical Dark: 21:08 - 04:59. Astro Dark: 21:56 - 04:11

Total Clouds (% Sky Obscured)

50
61
71
83
65
51
42
55
69
84
89
94
100
100
100
100
75
49
24
29
34
38
43
46

Low Clouds (% Sky Obscured)

31
47
62
78
60
41
22
15
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3

Medium Clouds (% Sky Obscured)

25
27
27
29
19
10
0
0
1
0
5
13
25
44
64
85
59
32
6
6
5
5
3
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
33
66
84
89
94
100
100
100
100
67
35
2
8
14
20
22
21

ISS Passover

Visibility (miles)

9
9
9
8
7
8
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

2
15
24
33
34
28
22
23
14
0
2
7
29
45
56
62
62
50
40
33
22
4
9
7

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
55
58
61
65
62
60
57
60
64
68
69
70
71
74
76
78
82
84
87
77
67
60
55

Pressure (mb)

1015
1015
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1015
1015
1015

Ozone (du)

330
331
330
328
327
326
326
326
326
326
327
328
329
329
330
331
332
329
327
324
321
318
315
313

Wednesday 2

Waning Gibbous 63%

21:12

13:05

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: 06:19, Set: 19:47, Transit: 13:02. Moon - Rise: 21:12, Set: 13:05. Civil Dark: 20:23 - 05:44. Nautical Dark: 21:06 - 05:01. Astro Dark: 21:53 - 04:14

Total Clouds (% Sky Obscured)

52
68
83
98
94
87
80
73
71
65
66
64
65
65
68
81
85
82
77

Low Clouds (% Sky Obscured)

3
5
8
8
17
22
27
40
51
63
66
64
65
65
68
81
80
73
67

Medium Clouds (% Sky Obscured)

1
11
19
28
48
65
80
73
71
65
66
64
65
65
68
65
45
25
4

High Clouds (% Sky Obscured)

20
39
61
87
67
49
31
31
31
39
44
44
41
24
14
3
2
2
2

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

3
6
7
0
1
2
0
46
74
95
95
95
95
92
65
48
40
30
8

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.4
0.8
1
1
1
0.6
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
22
22
22
22
22
21
20
19
18
16
16
16
16
16
16
16
16
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
44
45
44
44
50
55
63
71
82
93
95
95
96
92
87
85
83
81

Pressure (mb)

1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1012
1012
1012
1012
1013
1013

Ozone (du)

311
309
307
305
303
303
303
304
303
302
302
304
307
309
313
316
319
323
328

Forecast for Crownhill, Milton Keynes, United Kingdom (52.03,-0.81)

Generated: 27/08/26 12:50:50. Forecast: 27/08/26 to 02/09/26. Timezone: UTC+1.00