Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 29

Waning Gibbous 96%

20:21

08:53

23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 06:12, Set: 19:54, Transit: 13:03. Moon - Rise: 20:21, Set: 08:53. Civil Dark: 20:30 - 05:37. Nautical Dark: 21:13 - 04:53. Astro Dark: 22:02 - 04:04

Total Clouds (% Sky Obscured)

46
50
72
86
87
64
29
37
46
63
57
83
83
83
78
92
93
100
100
92
100
86
87
57

Low Clouds (% Sky Obscured)

45
50
72
77
78
64
29
37
46
63
57
48
37
53
73
59
75
74
65
35
32
70
42
33

Medium Clouds (% Sky Obscured)

34
50
24
13
6
4
1
0
0
0
0
12
18
30
9
5
16
35
26
63
65
77
64
13

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
47
40
35
26
86
80
80
80
92
100
19
14
57

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

40
48
23
3
5
0
0
0
0
0
0
0
7
38
45
80
90
95
95
33
38
41
33
49

Precipitation Amount (mm)

0.2
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.4
1.7
1.3
0
0
0
0
0.3

Wind Speed/Direction (mph)

7
6
8
9
10
11
8
7
8
9
11
11
11
12
13
13
14
13
13
12
12
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

16
16
16
16
16
15
15
14
14
14
15
14
13
13
13
11
12
11
13
11
10
12
13
13

Relative Humidity (%)

96
96
95
93
95
93
95
96
98
95
86
76
67
62
58
51
57
54
68
63
62
72
78
86

Pressure (mb)

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

Ozone (du)

313
312
314
316
317
318
319
318
316
315
316
317
316
317
319
320
321
320
321
327
329
329
331
329

Sunday 30

Waning Gibbous 91%

20:34

10:14

23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 OK
09 Bad
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

Sun - Rise: 06:14, Set: 19:52, Transit: 13:03. Moon - Rise: 20:34, Set: 10:14. Civil Dark: 20:27 - 05:38. Nautical Dark: 21:11 - 04:55. Astro Dark: 21:59 - 04:06

Total Clouds (% Sky Obscured)

81
100
100
92
74
82
50
40
39
38
77
90
75
90
79
88
72
100
100
100
100
100
100
95

Low Clouds (% Sky Obscured)

32
73
52
53
56
50
44
26
24
32
77
81
72
63
71
82
72
85
89
88
58
17
9
1

Medium Clouds (% Sky Obscured)

33
67
100
6
6
6
10
2
4
0
0
32
25
32
22
16
7
0
4
4
24
21
27
87

High Clouds (% Sky Obscured)

81
100
100
85
32
77
2
1
5
1
0
0
0
0
0
3
4
98
100
100
100
100
100
63

ISS Passover

Visibility (miles)

8
5
6
7
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

73
80
49
27
7
2
0
0
0
0
0
1
15
14
5
4
3
8
8
1
0
0
0
0

Precipitation Amount (mm)

0.5
0.6
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
11
12
12
11
11
11
12
13
14
13
13
15
13
13
13
12
11
10
9
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
92
87
93
92
90
93
90
86
85
81
82
81
73
75
75
72
71
70
70
69
72
73

Pressure (mb)

1006
1005
1005
1005
1005
1005
1005
1006
1007
1008
1009
1010
1011
1011
1012
1013
1014
1014
1015
1015
1016
1017
1018
1019

Ozone (du)

332
336
336
339
340
338
335
333
335
337
337
334
331
330
328
325
324
322
320
317
317
316
315
315

Monday 31

Waning Gibbous 83%

20:50

11:38

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

Sun - Rise: 06:15, Set: 19:50, Transit: 13:02. Moon - Rise: 20:50, Set: 11:38. Civil Dark: 20:25 - 05:40. Nautical Dark: 21:08 - 04:57. Astro Dark: 21:56 - 04:09

Total Clouds (% Sky Obscured)

100
59
73
78
63
28
22
44
15
8
20
36
78
100
94
82
98
100
100
100
96
70
90
100

Low Clouds (% Sky Obscured)

0
0
1
2
2
2
1
14
0
0
12
35
70
46
38
55
73
37
49
55
45
24
19
20

Medium Clouds (% Sky Obscured)

84
59
69
66
53
8
7
10
6
4
4
4
4
29
25
21
22
23
25
24
23
27
22
27

High Clouds (% Sky Obscured)

95
2
27
3
0
0
0
2
2
1
2
1
5
100
94
24
20
100
100
100
80
70
90
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
1
4
0
0
1
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

14
13
13
12
12
12
11
11
11
13
15
17
18
20
20
20
21
20
20
20
19
18
17
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
75
79
80
80
81
81
86
86
79
71
66
61
56
50
45
44
50
53
57
61
65
73
78

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1021
1021
1020
1020
1020
1020
1020
1019
1019
1019
1019
1020
1020
1020

Ozone (du)

316
317
316
316
316
314
312
313
316
316
316
316
316
315
314
314
315
316
318
319
322
321
319
319

Tuesday 1

Waning Gibbous 74%

21:12

13:05

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
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 06:17, Set: 19:47, Transit: 13:02. Moon - Rise: 21:12, Set: 13:05. Civil Dark: 20:22 - 05:42. Nautical Dark: 21:05 - 04:59. Astro Dark: 21:53 - 04:11

Total Clouds (% Sky Obscured)

100
100
99
100
100
86
100
100
100
100
100
100
100
100
99
96
96
97
99
99
94
89
86
79

Low Clouds (% Sky Obscured)

17
19
18
15
15
21
22
26
34
38
52
77
78
83
87
85
93
95
98
93
67
65
72
74

Medium Clouds (% Sky Obscured)

23
23
18
14
14
60
74
73
95
100
100
99
100
99
99
85
96
38
83
72
88
50
79
76

High Clouds (% Sky Obscured)

100
100
99
100
100
86
100
100
77
58
40
52
79
98
82
29
13
51
64
21
20
75
73
63

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

Precipitation Probability (%)

6
8
18
21
22
21
16
14
30
38
49
56
55
50
41
30
22
17
13
10
9
9
5
10

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
86
89
93
95
95
96
95
90
82
74
67
78
66
65
70
68
72
72
75
77
83
86
86

Pressure (mb)

1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1017
1017
1016
1016
1016
1015
1015
1015
1015

Ozone (du)

319
317
314
311
307
303
301
299
300
298
297
297
294
294
294
295
295
295
294
293
292
291
292
291

Wednesday 2

Waning Gibbous 63%

21:44

14:32

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
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 06:19, Set: 19:45, Transit: 13:02. Moon - Rise: 21:44, Set: 14:32. Civil Dark: 20:20 - 05:44. Nautical Dark: 21:03 - 05:01. Astro Dark: 21:50 - 04:14

Total Clouds (% Sky Obscured)

75
69
72
77
83
87
91
96
96
96
96
92
66
77
77
78
78
84
90
97
98
99
100
92

Low Clouds (% Sky Obscured)

75
69
71
74
77
82
85
86
83
66
38
21
18
41
35
30
22
18
11
5
8
6
20
17

Medium Clouds (% Sky Obscured)

74
69
72
77
83
87
91
96
96
96
90
92
15
13
20
31
32
41
44
50
38
17
4
4

High Clouds (% Sky Obscured)

32
16
43
45
30
30
30
30
16
31
65
42
22
10
10
10
11
20
32
50
40
35
50
63

ISS Passover

Visibility (miles)

9
9
9
3
5
4
4
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
Very Light Rain
Light Rain
Moderate Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

14
32
53
66
95
81
58
42
30
32
12
18
4
13
11
8
0
0
0
0
0
1
3
8

Precipitation Amount (mm)

0
0
0.3
0.4
3
0.6
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
13
13
12
12
11
10
11
12
13
13
14
14
14
14
14
12
11
10
9
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

16
16
16
16
16
16
16
15
15
15
15
15
14
12
11
11
10
9
9
10
10
10
11
12

Relative Humidity (%)

86
89
90
92
93
96
96
93
93
92
89
81
76
60
53
51
48
45
47
50
53
56
61
65

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1015
1016
1016
1016
1016
1016
1017

Ozone (du)

291
290
291
290
290
289
290
291
291
294
295
296
297
300
303
306
309
312
316
319
323
324
325
326

Thursday 3

Waning Gibbous 51%

22:31

15:52

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
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 06:20, Set: 19:43, Transit: 13:01. Moon - Rise: 22:31, Set: 15:52. Civil Dark: 20:18 - 05:45. Nautical Dark: 21:00 - 05:03. Astro Dark: 21:47 - 04:16

Total Clouds (% Sky Obscured)

84
76
83
90
97
98
96
95
88
80
72
70
67
64
55
51
47
62
78
93
87
81
75
61

Low Clouds (% Sky Obscured)

7
3
3
7
4
7
14
21
16
10
5
6
8
9
13
17
21
21
20
20
13
7
0
0

Medium Clouds (% Sky Obscured)

4
3
3
1
1
12
23
33
22
14
8
13
18
23
23
24
33
34
29
25
20
15
15
9

High Clouds (% Sky Obscured)

57
46
36
27
25
20
10
5
4
3
7
9
14
13
23
24
20
35
57
78
68
62
54
34

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 (%)

10
7
9
7
3
7
7
5
15
19
20
16
16
20
18
15
8
15
17
19
19
18
17
18

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)

9
11
13
14
14
15
15
15
15
16
16
17
18
17
17
16
15
13
12
10
9
7
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
13
13
14
14
14
14
14
12
11
10
9
8
8
8
7
8
8
9
10
10
11
11

Relative Humidity (%)

68
69
70
71
72
72
73
73
74
66
61
54
50
47
43
43
42
43
48
52
57
61
66
72

Pressure (mb)

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

Ozone (du)

325
325
324
325
326
327
329
332
334
331
329
326
323
319
315
312
310
308
306
304
303
302
301
301

Friday 4

Third Quarter 39%

No Rise

16:57

23 Bad
00 OK
01 OK
02 OK
03 OK
04 OK
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: 06:22, Set: 19:40, Transit: 13:01. Moon - Rise: No Rise, Set: 16:57. Civil Dark: 20:15 - 05:47. Nautical Dark: 20:58 - 05:05. Astro Dark: 21:44 - 04:18

Total Clouds (% Sky Obscured)

42
31
37
38
44
44
52
55
63
64
67
68
72
70
65
61
68
77
82
84

Low Clouds (% Sky Obscured)

4
4
9
14
15
24
23
27
26
30
30
31
32
36
46
56
66
68
68
71

Medium Clouds (% Sky Obscured)

5
4
11
13
15
15
18
15
15
14
14
13
13
14
16
17
17
11
6
0

High Clouds (% Sky Obscured)

16
3
2
1
1
0
0
0
0
0
1
1
1
1
1
2
2
2
3
4

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

19
18
15
11
3
6
5
2
3
2
0
1
1
0
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
15
15
15
14
14
14
14
14
15
17
18
20
22
23
24
24
24
23
23

Feels Like (°C)

15
15
14
13
14
13
14
12
12
13
13
14
15
16
16
23
22
21
22
21

Dew Point (°C)

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

Relative Humidity (%)

73
77
78
80
83
84
87
90
95
85
76
66
65
63
61
63
65
69
69
69

Pressure (mb)

1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1018
1018
1018
1018

Ozone (du)

300
300
299
299
299
299
298
297
296
295
295
295
294
293
292
291
291
291
291
291

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

Generated: 29/08/26 23:17:08. Forecast: 29/08/26 to 04/09/26. Timezone: UTC+1.00