Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 26

Waxing Gibbous 99%

19:48

05:00

22 OK
23 OK
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

Sun - Rise: 06:07, Set: 20:01, Transit: 13:04. Moon - Rise: 19:48, Set: 05:00. Civil Dark: 20:37 - 05:31. Nautical Dark: 21:21 - 04:47. Astro Dark: 22:15 - 03:56

Total Clouds (% Sky Obscured)

22
39
51
63
100
100
100
100
100
100
100
100
100
100
100
100
100
59
66
78
66
82
66
67

Low Clouds (% Sky Obscured)

20
28
38
45
47
61
90
87
83
87
85
78
77
58
74
77
60
42
45
44
28
2
30
28

Medium Clouds (% Sky Obscured)

22
33
51
63
71
96
99
100
99
100
100
76
91
86
59
59
60
32
66
34
39
15
15
53

High Clouds (% Sky Obscured)

22
39
51
63
100
100
100
100
100
81
100
99
100
100
100
85
77
20
20
25
31
70
28
20

ISS Passover

Visibility (miles)

9
9
9
9
6
6
9
5
1
1
6
3
1
4
9
7
9
9
9
5
9
9
9
3

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

Precipitation Probability (%)

0
0
0
34
37
65
95
95
95
95
95
95
95
95
95
93
68
43
62
46
14
16
34
41

Precipitation Amount (mm)

0
0
0
0
0
0
0.6
1.5
1.7
0.7
0.6
3.5
2.8
0.9
1.5
0.4
0
0
0.2
0
0
0
0
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
18
18
17
17
17
18
18
18
18
19
19
20
20
21
22
22
22
23
23
23
22
20
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
86
88
86
89
89
90
93
96
98
95
93
95
95
92
85
87
87
78
80
71
69
74
82

Pressure (mb)

1012
1012
1011
1011
1010
1010
1009
1009
1008
1008
1008
1008
1008
1007
1007
1007
1007
1007
1007
1006
1006
1006
1006
1007

Ozone (du)

320
320
318
317
316
315
317
315
312
314
315
318
323
323
328
331
332
333
335
338
337
338
338
338

Thursday 27

Waxing Gibbous 100%

19:59

06:17

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
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 06:09, Set: 19:59, Transit: 13:04. Moon - Rise: 19:59, Set: 06:17. Civil Dark: 20:34 - 05:33. Nautical Dark: 21:19 - 04:49. Astro Dark: 22:12 - 03:59

Total Clouds (% Sky Obscured)

74
91
96
82
57
41
52
70
74
72
64
71
75
80
86
99
85
98
99
99
100
88
78
64

Low Clouds (% Sky Obscured)

31
31
37
44
45
41
50
41
36
40
30
31
25
24
26
24
22
18
16
26
100
88
78
42

Medium Clouds (% Sky Obscured)

70
67
22
0
0
1
1
10
13
18
24
34
24
50
41
28
38
24
16
19
95
88
78
64

High Clouds (% Sky Obscured)

25
71
86
40
18
0
7
70
46
0
0
71
75
80
86
99
51
28
31
52
25
1
0
6

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
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
None
None
None
None
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

8
2
4
16
3
0
0
0
0
0
43
67
91
67
30
8
1
2
15
70
50
16
10
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
1
0.5
0
0
0
0
0
0.4
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

15
14
14
14
14
14
14
14
14
14
14
14
12
10
7
7
7
6
6
8
12
14
14
14

Relative Humidity (%)

83
83
86
89
93
95
96
96
96
95
89
79
67
57
44
40
38
36
38
46
73
82
83
83

Pressure (mb)

1007
1007
1007
1007
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1005
1005
1004
1004
1004
1004
1004
1004
1004
1005

Ozone (du)

340
341
343
343
345
348
349
348
348
347
347
347
349
352
349
343
340
338
337
336
331
330
327
323

Friday 28

Full Moon 99%

20:10

07:35

22 OK
23 OK
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
19 Bad
20 Bad
21 Bad

Sun - Rise: 06:10, Set: 19:56, Transit: 13:03. Moon - Rise: 20:10, Set: 07:35. Civil Dark: 20:32 - 05:35. Nautical Dark: 21:16 - 04:51. Astro Dark: 22:09 - 04:01

Total Clouds (% Sky Obscured)

35
33
33
73
85
97
100
100
100
100
100
100
100
100
100
100
98
100
97
79
75
68
59
53

Low Clouds (% Sky Obscured)

12
8
21
48
71
83
78
60
28
33
39
98
95
88
95
100
92
81
72
72
63
56
45
45

Medium Clouds (% Sky Obscured)

23
9
1
4
6
3
10
10
100
98
100
100
100
100
92
21
27
100
73
13
14
12
7
5

High Clouds (% Sky Obscured)

0
8
4
70
10
84
100
100
100
100
99
100
90
100
99
0
17
88
80
0
0
0
0
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
4
4
2
9
9
8
6
5
4
8
8
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
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
None
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
1
9
15
50
95
95
95
95
95
52
70
54
31
35
29
20
14

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.8
1
0.5
2.7
1.2
0
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
16
16
15
16
16
16
16
15
15
16
17
17
16
16
16
16
17
17
18
18
18
17
16

Feels Like (°C)

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

Dew Point (°C)

14
15
15
15
15
15
14
14
14
14
14
14
16
15
15
15
15
14
14
15
15
15
15
15

Relative Humidity (%)

85
92
95
95
96
95
89
87
90
90
89
86
93
93
92
93
92
79
81
82
85
85
85
90

Pressure (mb)

1005
1006
1006
1006
1006
1006
1006
1005
1005
1005
1005
1005
1005
1004
1003
1003
1002
1002
1001
1001
1001
1001
1002
1002

Ozone (du)

321
321
319
315
310
307
304
303
301
300
302
302
304
299
305
308
307
305
305
308
306
305
305
308

Saturday 29

Waning Gibbous 96%

20:21

08:53

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
19 Bad
20 Bad
21 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: 22:05 - 04:04

Total Clouds (% Sky Obscured)

65
77
81
93
96
86
59
62
53
55
64
72
89
94
100
100
100
100
87
78
69
68
71
77

Low Clouds (% Sky Obscured)

31
39
33
47
53
50
31
33
24
30
37
50
50
57
60
71
76
68
53
28
28
29
40
71

Medium Clouds (% Sky Obscured)

45
34
4
6
4
4
5
6
8
6
4
2
5
8
10
12
13
59
87
78
69
68
69
77

High Clouds (% Sky Obscured)

37
47
54
63
74
75
53
28
0
0
0
7
47
73
100
100
100
100
82
70
55
60
51
55

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
9
9
9
7

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

Precipitation Probability (%)

10
10
5
8
9
2
0
0
0
2
4
8
24
34
51
76
83
95
80
74
52
43
73
48

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.5
1
0.5
0.3
0.2
0
0.5
0

Wind Speed/Direction (mph)

10
10
10
9
10
9
9
8
9
8
9
10
12
12
12
13
13
13
14
14
14
14
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
92
90
90
89
87
87
92
92
92
87
81
73
67
58
51
49
56
57
63
72
77
79
82

Pressure (mb)

1003
1004
1005
1005
1006
1006
1007
1007
1008
1008
1008
1008
1008
1008
1008
1007
1007
1006
1006
1006
1005
1005
1005
1005

Ozone (du)

311
313
315
315
315
318
317
316
315
313
312
312
312
312
312
312
313
314
317
319
320
322
323
321

Sunday 30

Waning Gibbous 91%

20:34

10:14

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 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)

80
85
88
63
61
85
90
89
67
48
39
42
66
86
100
100
100
100
100
99
99
96
94
91

Low Clouds (% Sky Obscured)

48
38
60
47
42
53
80
59
41
33
27
39
58
72
75
73
69
67
60
50
37
32
27
19

Medium Clouds (% Sky Obscured)

61
69
5
5
23
67
90
89
32
7
2
0
5
15
23
44
53
52
66
81
96
92
91
89

High Clouds (% Sky Obscured)

49
47
57
4
2
19
30
23
1
0
0
0
29
59
99
99
100
100
95
91
89
72
57
43

ISS Passover

Visibility (miles)

9
9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
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

None
Very 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 (%)

32
53
33
25
46
15
9
6
0
0
0
0
1
5
4
13
18
23
28
30
32
26
17
0

Precipitation Amount (mm)

0
0.3
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
12
13
13
14
14
14
15
15
16
17
19
18
18
18
18
17
17
15
14
13
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
14
14
14
13
13
13
13
13
13
12
12
12
13
13
13
13
13
13
13
13
13
13
12

Relative Humidity (%)

85
89
90
92
92
93
93
92
93
93
86
80
75
73
72
68
67
68
67
69
72
73
77
79

Pressure (mb)

1005
1004
1004
1004
1004
1004
1004
1004
1005
1005
1006
1007
1008
1009
1009
1010
1010
1011
1011
1011
1012
1012
1013
1013

Ozone (du)

324
326
329
332
333
334
334
334
336
336
332
326
320
318
315
315
314
314
314
314
314
315
316
318

Monday 31

Waning Gibbous 83%

20:50

11:38

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

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)

88
86
84
86
89
91
92
87
83
82
78
75
71
66
61
45
36
26
25
25
24
25
27
28

Low Clouds (% Sky Obscured)

27
37
46
62
75
91
92
87
83
82
73
59
52
45
38
27
16
5
5
5
5
3
2
0

Medium Clouds (% Sky Obscured)

85
80
75
77
81
84
87
87
83
68
41
15
14
15
18
18
19
26
24
19
14
7
3
0

High Clouds (% Sky Obscured)

35
26
16
14
12
12
14
19
27
18
9
0
27
43
61
34
12
0
0
0
0
6
12
23

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
7
8
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
2
1
9
15
20
26
29
30
28
27
29
29
26
21
16
13
4
14
17
21
24
19
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
83
84
86
86
86
86
87
87
90
80
74
67
57
48
42
40
39
38
42
47
52
59
66

Pressure (mb)

1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015

Ozone (du)

320
320
320
321
322
324
326
327
329
330
332
333
335
334
334
333
331
330
328
328
328
328
329
329

Tuesday 1

Waning Gibbous 74%

21:12

13:05

22 OK
23 OK
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: 06:17, 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)

37
42
54
68
78
90
76
67
59
64
60
61
62
65
60
74
86
100
98
95
93

Low Clouds (% Sky Obscured)

0
3
4
7
11
11
18
17
18
21
28
31
28
25
26
25
21
23
16
15
12

Medium Clouds (% Sky Obscured)

2
2
4
8
8
9
9
14
10
9
4
4
2
2
0
0
1
1
27
52
78

High Clouds (% Sky Obscured)

37
42
54
68
78
90
76
67
59
61
31
0
3
5
6
35
68
100
69
38
7

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

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

Precipitation Probability (%)

3
1
0
9
14
26
43
51
56
59
61
63
37
14
2
2
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
14
14
14
13
13
13
13
13
14
15
17
18
20
21
21
21
21
21
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
78
80
84
86
89
90
89
87
84
75
66
60
54
50
46
44
42
41
43
46

Pressure (mb)

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

Ozone (du)

329
329
330
330
331
332
333
331
330
329
328
326
325
322
320
317
315
313
311
309
308

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

Generated: 26/08/26 22:39:27. Forecast: 26/08/26 to 01/09/26. Timezone: UTC+1.00