Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 29

Waning Gibbous 96%

20:10

08:53

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

Sun - Rise: 06:12, Set: 19:56, Transit: 13:03. Moon - Rise: 20:10, Set: 08:53. Civil Dark: 20:32 - 05:37. Nautical Dark: 21:16 - 04:53. Astro Dark: 22:05 - 04:04

Total Clouds (% Sky Obscured)

73
64
86
71
62
100
98
96
92
76
37
22
36
57
58
63
83
97
79
100
96
75
77
89

Low Clouds (% Sky Obscured)

56
48
28
44
60
78
90
84
83
71
37
22
34
50
49
45
43
38
36
74
65
56
59
64

Medium Clouds (% Sky Obscured)

8
32
13
18
16
19
14
13
5
1
0
1
0
0
0
0
12
23
15
15
6
4
28
34

High Clouds (% Sky Obscured)

9
64
23
0
0
0
0
0
0
0
0
0
1
7
16
20
20
20
20
100
80
75
75
72

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
1
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
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

95
37
6
9
32
23
19
3
0
1
0
0
0
0
0
0
1
10
38
62
92
76
93
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.8
0.3
0.7
0.8

Wind Speed/Direction (mph)

8
8
6
8
7
8
9
11
11
11
9
8
7
7
10
11
11
11
11
13
14
13
13
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

15
16
16
17
17
17
16
16
15
15
14
14
14
14
14
15
14
13
13
13
13
13
11
11

Relative Humidity (%)

82
89
90
95
98
95
93
92
93
92
93
95
98
98
92
86
77
68
62
58
60
61
52
56

Pressure (mb)

999
1000
1001
1002
1003
1004
1005
1005
1006
1007
1007
1008
1008
1009
1009
1009
1009
1009
1009
1008
1008
1007
1006
1006

Ozone (du)

317
310
309
312
312
311
310
311
314
316
317
317
315
313
313
313
313
314
315
317
318
318
319
321

Sunday 30

Waning Gibbous 91%

20:21

10:14

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
16 Bad
17 Bad

Sun - Rise: 06:14, Set: 19:54, Transit: 13:03. Moon - Rise: 20:21, Set: 10:14. Civil Dark: 20:30 - 05:38. Nautical Dark: 21:13 - 04:55. Astro Dark: 22:02 - 04:06

Total Clouds (% Sky Obscured)

100
100
100
51
71
59
72
73
75
74
78
52
36
64
81
90
93
83
88
67
79
83
76
77

Low Clouds (% Sky Obscured)

30
76
54
44
51
47
61
41
53
65
78
41
24
27
61
86
93
83
88
67
79
83
45
77

Medium Clouds (% Sky Obscured)

34
82
87
0
10
19
72
8
62
16
9
2
3
27
32
20
11
2
0
0
0
0
15
30

High Clouds (% Sky Obscured)

100
100
100
11
70
25
25
17
20
17
4
12
1
1
0
0
0
0
0
2
13
25
25
15

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

59
61
24
37
31
55
34
27
5
2
1
0
0
0
0
14
27
7
4
8
16
10
8
7

Precipitation Amount (mm)

0
0.2
0
0
0
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
66
86
86
89
92
89
86
90
93
92
90
92
89
84
82
81
79
76
69
56
63
76
70

Pressure (mb)

1006
1006
1006
1006
1005
1005
1005
1005
1005
1005
1005
1006
1006
1007
1008
1009
1010
1011
1012
1013
1013
1014
1014
1015

Ozone (du)

327
325
327
328
327
330
333
334
334
333
334
334
332
333
334
331
328
325
323
321
319
318
315
313

Monday 31

Waning Gibbous 83%

20:34

11:38

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
16 Bad
17 Bad

Sun - Rise: 06:15, Set: 19:52, Transit: 13:02. 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)

99
100
100
100
95
64
76
63
57
48
54
56
71
77
68
81
67
64
80
97
95
100
89
81

Low Clouds (% Sky Obscured)

33
20
19
17
0
0
0
11
19
19
8
14
35
42
33
39
30
51
64
77
64
63
53
44

Medium Clouds (% Sky Obscured)

4
70
95
11
77
48
67
31
20
18
19
18
13
9
68
37
42
20
23
23
26
23
22
73

High Clouds (% Sky Obscured)

98
100
100
100
84
13
0
0
0
0
1
8
10
16
20
20
18
1
1
28
59
100
77
54

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
2
9
8
15
23
23
19

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
11
10
10
10
9
9
9
9
9
9
9
10
10
11
11
12
11
11
10
12
11
11
10

Relative Humidity (%)

70
64
67
71
74
75
77
79
80
81
83
84
88
88
84
76
71
63
55
51
58
54
56
50

Pressure (mb)

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

Ozone (du)

314
314
314
314
314
314
315
314
311
311
310
309
310
311
311
311
311
312
310
310
309
309
312
315

Tuesday 1

Waning Gibbous 74%

20:50

13:05

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
16 Bad
17 Bad

Sun - Rise: 06:17, Set: 19:50, Transit: 13:02. Moon - Rise: 20:50, Set: 13:05. Civil Dark: 20:25 - 05:42. Nautical Dark: 21:08 - 04:59. Astro Dark: 21:56 - 04:11

Total Clouds (% Sky Obscured)

72
82
46
52
94
100
100
99
84
95
97
99
100
100
99
100
100
100
98
100
100
100
93
87

Low Clouds (% Sky Obscured)

7
5
3
2
10
16
23
28
29
37
38
37
34
62
43
72
75
78
68
93
81
95
90
83

Medium Clouds (% Sky Obscured)

71
82
8
2
4
7
10
26
14
60
73
99
96
76
19
43
58
36
32
61
80
81
74
87

High Clouds (% Sky Obscured)

30
49
46
52
94
100
100
77
45
37
55
73
93
96
96
97
88
100
86
41
61
69
70
64

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

Precipitation Probability (%)

2
8
6
0
0
0
0
8
12
18
34
46
60
61
53
39
37
32
25
23
26
28
44
88

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0.2
0
0
0
0
0
0
0
0
0.8

Wind Speed/Direction (mph)

11
10
10
9
9
8
8
8
9
9
9
10
10
11
12
14
15
16
16
18
17
18
19
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
13
13
13
13
14
13
14
14
14
14
14
13
14
13
12
12
11
11
11
14
14
15
17

Relative Humidity (%)

57
67
73
78
82
89
89
92
95
96
95
95
92
92
85
74
66
60
57
58
68
63
70
80

Pressure (mb)

1019
1018
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1017
1017
1017
1017
1016
1016
1015
1015
1014
1014
1014

Ozone (du)

316
319
319
318
315
314
314
312
310
307
304
303
301
299
298
297
296
294
292
291
291
290
289
290

Wednesday 2

Waning Gibbous 63%

21:12

14:32

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
16 Bad
17 Bad

Sun - Rise: 06:19, Set: 19:47, Transit: 13:02. Moon - Rise: 21:12, Set: 14:32. Civil Dark: 20:22 - 05:44. Nautical Dark: 21:05 - 05:01. Astro Dark: 21:53 - 04:14

Total Clouds (% Sky Obscured)

81
85
91
97
89
80
72
71
71
71
80
89
98
89
76
61
60
62
65
66
68
70
61
53

Low Clouds (% Sky Obscured)

75
74
58
76
72
80
71
71
70
68
76
77
74
57
41
26
23
22
18
14
14
14
23
37

Medium Clouds (% Sky Obscured)

81
85
90
82
89
80
72
71
71
71
80
89
81
69
75
61
60
62
60
40
21
5
4
2

High Clouds (% Sky Obscured)

71
78
81
84
68
44
43
37
31
20
33
52
70
78
57
40
40
36
24
20
16
9
12
18

ISS Passover

Visibility (miles)

3
5
9
8
9
9
9
2
3
3
8
5
8
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
Very Light Rain
None
None
None
None
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

Precipitation Probability (%)

73
56
32
29
34
12
95
95
95
95
95
64
33
27
21
6
10
9
10
7
6
0
0
0

Precipitation Amount (mm)

0.6
0.2
0
0
0
0
1.9
2.2
3.1
2
1.2
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
95
95
93
90
90
95
93
95
93
95
95
92
87
83
78
68
59
51
48
45
43
45

Pressure (mb)

1013
1013
1013
1013
1013
1014
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013

Ozone (du)

289
288
287
287
288
289
288
288
287
288
288
290
292
292
293
294
295
299
304
308
312
315
318
320

Thursday 3

Waning Gibbous 51%

21:44

15:52

18 Bad
19 Bad
20 Bad
21 OK
22 OK
23 OK
00 OK
01 OK
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

Sun - Rise: 06:20, Set: 19:45, Transit: 13:01. Moon - Rise: 21:44, Set: 15:52. Civil Dark: 20:20 - 05:45. Nautical Dark: 21:03 - 05:03. Astro Dark: 21:50 - 04:16

Total Clouds (% Sky Obscured)

45
46
44
40
34
27
23
34
48
56
68
80
91
93
94
95
97
99
100
99
98
97
96
95

Low Clouds (% Sky Obscured)

45
44
37
32
22
12
2
1
1
1
0
0
2
5
6
10
30
50
69
65
62
63
63
59

Medium Clouds (% Sky Obscured)

0
5
6
5
2
3
3
6
6
6
10
10
7
11
18
22
16
15
10
18
20
35
37
35

High Clouds (% Sky Obscured)

24
21
16
14
8
5
0
2
4
5
11
15
25
29
32
31
28
30
26
33
40
41
40
33

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
8
17
42
58
71
74
76
70
61
45

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.3
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
15
15
15
15
14
13
12
12
12
11
11
11
10
10
10
11
10
10
13
13
12
14

Dew Point (°C)

9
9
9
10
10
11
11
11
11
11
10
10
10
10
10
10
11
10
10
10
9
8
6
8

Relative Humidity (%)

48
51
57
65
74
78
82
83
83
84
84
81
79
78
73
69
67
65
63
60
54
48
43
48

Pressure (mb)

1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015

Ozone (du)

322
324
325
326
327
329
331
333
330
328
325
324
322
320
318
316
314
312
310
309
308
306
305
303

Friday 4

Third Quarter 39%

22:31

16:57

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: 06:22, Set: 19:43, Transit: 13:01. Moon - Rise: 22:31, Set: 16:57. Civil Dark: 20:18 - 05:47. Nautical Dark: 21:00 - 05:05. Astro Dark: 21:47 - 04:18

Total Clouds (% Sky Obscured)

93
93
93
92
95
98
100
100
100
99
100
99
100
99
99
99
99
100
100

Low Clouds (% Sky Obscured)

52
56
60
63
71
80
88
92
95
98
93
92
91
87
83
85
89
93
94

Medium Clouds (% Sky Obscured)

33
37
39
36
54
76
99
76
53
30
38
38
37
25
16
10
7
3
1

High Clouds (% Sky Obscured)

21
39
62
88
93
94
96
95
95
90
90
90
80
80
70
71
77
78
79

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

Precipitation Probability (%)

9
20
22
23
39
48
54
63
74
79
66
55
40
31
26
20
19
13
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
6
6
5
4
5
7
8
8
10
11
10
9
8
10
11
12
12
13

Chance of Frost

Temperature (°C)

18
18
18
17
16
16
16
17
16
16
16
16
16
16
16
17
17
18
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
58
63
68
74
78
82
87
85
85
83
83
86
87
86
85
83
78
73

Pressure (mb)

1015
1015
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016

Ozone (du)

302
300
299
298
297
296
295
294
294
294
295
295
294
294
293
293
293
292
292

Forecast for Loughton, Milton Keynes, United Kingdom (52.03,-0.77)

Generated: 29/08/26 17:37:06. Forecast: 29/08/26 to 04/09/26. Timezone: UTC+1.00