Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waxing Crescent 36%

13:12

21:52

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: 05:52, Set: 20:20, Transit: 13:06. Moon - Rise: 13:12, Set: 21:52. Civil Dark: 20:58 - 05:15. Nautical Dark: 21:45 - 04:28. Astro Dark: 22:45 - 03:31

Total Clouds (% Sky Obscured)

72
78
83
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

72
62
83
91
88
98
97
83
34
65
70
77
71
81
41
23
18
25
17
20
23
22
16
3

Medium Clouds (% Sky Obscured)

52
78
60
88
89
39
50
87
99
49
54
98
99
84
89
100
99
92
92
83
99
99
100
95

High Clouds (% Sky Obscured)

72
47
83
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
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 (%)

1
6
18
36
30
9
23
8
1
1
12
4
9
0
0
0
0
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
0
0
0
0

Wind Speed/Direction (mph)

4
4
5
8
9
8
9
10
10
10
12
13
14
13
13
14
14
13
13
14
13
11
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

22
20
19
17
16
17
16
15
16
17
16
18
18
19
20
20
19
19
19
19
18
18
17
17

Dew Point (°C)

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

Relative Humidity (%)

64
65
68
67
66
71
74
76
79
83
77
72
66
61
57
47
43
43
40
39
40
42
46
49

Pressure (mb)

1014
1014
1014
1013
1013
1013
1013
1012
1012
1012
1011
1011
1012
1011
1011
1011
1011
1011
1010
1010
1010
1009
1010
1010

Ozone (du)

298
298
299
299
300
302
304
302
302
307
307
306
304
302
301
300
300
299
299
297
296
295
294
294

Tuesday 18

Waxing Crescent 46%

14:29

No Set

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: 05:54, Set: 20:18, Transit: 13:06. Moon - Rise: 14:29, Set: No Set. Civil Dark: 20:55 - 05:17. Nautical Dark: 21:42 - 04:30. Astro Dark: 22:42 - 03:34

Total Clouds (% Sky Obscured)

90
100
100
100
100
100
100
100
85
74
72
85
82
71
70
73
60
72
80
80
55
46
86
87

Low Clouds (% Sky Obscured)

43
50
52
73
76
81
81
81
36
29
35
47
58
71
68
48
30
44
69
79
29
42
83
86

Medium Clouds (% Sky Obscured)

90
100
100
100
100
96
98
46
51
55
29
25
21
2
26
59
49
40
26
25
33
15
25
13

High Clouds (% Sky Obscured)

41
49
99
99
100
99
65
100
85
72
65
65
24
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
8
6
4
9
9
9
9
9
9
8
8
5
9
8
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
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
12
42
66
70
70
47
33
32
21
26
3
2
26
34
34
40
18
3
6
23
8
0
0

Precipitation Amount (mm)

0
0
0
0.4
0.4
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
18
18
17
16
15
15
15
15
15
16
17
18
19
21
22
22
23
24
23
23
21
20
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

53
55
58
67
79
89
93
92
90
90
79
73
64
56
51
57
58
52
43
43
40
41
48
50

Pressure (mb)

1010
1010
1010
1010
1009
1009
1008
1008
1008
1008
1007
1007
1007
1006
1006
1006
1005
1005
1004
1004
1004
1004
1004
1004

Ozone (du)

293
294
294
297
297
300
306
310
314
318
320
321
324
325
325
328
334
335
331
328
330
335
343
344

Wednesday 19

Waxing Crescent 56%

15:42

22:12

22 Bad
23 Good
00 Good
01 OK
02 OK
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: 05:56, Set: 20:16, Transit: 13:06. Moon - Rise: 15:42, Set: 22:12. Civil Dark: 20:53 - 05:19. Nautical Dark: 21:40 - 04:32. Astro Dark: 22:38 - 03:37

Total Clouds (% Sky Obscured)

73
6
4
21
37
76
90
86
61
67
63
48
63
63
71
79
82
84
80
76
83
67
40
37

Low Clouds (% Sky Obscured)

73
5
3
3
16
51
62
44
41
47
41
34
44
46
70
79
81
84
68
65
65
49
27
30

Medium Clouds (% Sky Obscured)

3
2
0
18
27
76
87
73
18
18
7
2
19
18
3
3
11
19
22
21
24
17
11
5

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
3
2
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
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
1
1
0
0
5
21
36
21
15
25
30
50
46
44
26
23
19

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
16
15
14
13
13
13
12
12
13
15
17
18
19
20
21
21
22
21
20
19
18
17
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
65
79
86
92
96
95
96
98
93
80
65
54
47
42
40
41
39
47
62
64
59
62
72

Pressure (mb)

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

Ozone (du)

342
342
343
343
343
342
344
344
344
345
347
350
351
352
351
349
348
349
349
349
348
346
344
343

Thursday 20

First Quarter 66%

16:48

22:40

22 OK
23 OK
00 OK
01 OK
02 OK
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: 05:57, Set: 20:14, Transit: 13:06. Moon - Rise: 16:48, Set: 22:40. Civil Dark: 20:51 - 05:21. Nautical Dark: 21:37 - 04:34. Astro Dark: 22:35 - 03:40

Total Clouds (% Sky Obscured)

37
42
33
37
37
43
77
86
98
97
98
98
98
96
98
100
100
100
100
100
100
100
96
77

Low Clouds (% Sky Obscured)

29
33
24
25
23
25
36
54
63
69
82
80
79
72
77
78
79
77
75
74
76
70
55
21

Medium Clouds (% Sky Obscured)

5
6
7
5
3
1
8
16
28
31
30
29
35
36
38
39
44
45
41
41
36
35
30
27

High Clouds (% Sky Obscured)

0
0
0
3
4
12
62
78
91
82
78
68
76
70
57
67
74
81
75
86
96
99
82
52

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 (%)

15
9
0
1
1
0
0
0
0
0
0
1
2
4
6
16
21
24
23
21
19
14
9
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
10
10
10
11
11
11
11
10
8
8
8
7
7
6
5
5
4
5
4
5
7
8

Relative Humidity (%)

80
83
80
80
83
92
96
96
96
88
71
67
61
53
46
42
39
39
39
41
42
44
54
60

Pressure (mb)

1010
1010
1011
1011
1011
1011
1012
1012
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1016
1017

Ozone (du)

343
340
337
336
336
336
335
335
337
338
338
339
339
339
340
341
342
342
343
344
345
345
345
345

Friday 21

Waxing Gibbous 75%

17:42

23:19

22 Bad
23 OK
00 Bad
01 Bad
02 OK
03 OK
04 OK
05 OK
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 OK
21 OK

Sun - Rise: 05:59, Set: 20:12, Transit: 13:05. Moon - Rise: 17:42, Set: 23:19. Civil Dark: 20:48 - 05:22. Nautical Dark: 21:35 - 04:36. Astro Dark: 22:31 - 03:43

Total Clouds (% Sky Obscured)

52
38
56
60
27
24
29
34
54
61
61
69
70
70
68
70
72
75
70
68
62
48
38
29

Low Clouds (% Sky Obscured)

9
7
38
51
16
20
23
30
54
61
49
29
14
10
11
15
21
27
27
27
27
18
10
1

Medium Clouds (% Sky Obscured)

21
18
16
11
5
0
0
0
0
0
0
0
4
7
13
13
14
13
7
6
6
11
16
20

High Clouds (% Sky Obscured)

27
13
0
0
0
0
0
0
0
10
30
62
56
47
34
32
30
33
37
40
37
30
14
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
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)

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

Chance of Frost

Temperature (°C)

14
13
12
12
12
11
10
10
9
10
12
14
15
17
18
19
19
20
20
19
19
18
16
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
79
83
79
73
84
87
88
88
76
64
55
46
40
37
34
34
34
34
35
37
39
44
51

Pressure (mb)

1017
1018
1018
1019
1019
1019
1019
1019
1020
1020
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1021
1021
1022

Ozone (du)

345
343
343
342
341
342
342
343
341
341
339
337
337
338
338
338
338
339
339
340
342
343
342
342

Saturday 22

Waxing Gibbous 83%

18:25

00:10

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: 06:01, Set: 20:10, Transit: 13:05. Moon - Rise: 18:25, Set: 00:10. Civil Dark: 20:46 - 05:24. Nautical Dark: 21:32 - 04:38. Astro Dark: 22:28 - 03:45

Total Clouds (% Sky Obscured)

35
42
47
61
75
86
85
85
85
77
71
81
90
90
90
90
90
86
87
88
92
92
89
87

Low Clouds (% Sky Obscured)

1
0
0
2
3
5
7
8
14
14
12
9
9
5
0
8
14
20
20
22
25
30
36
42

Medium Clouds (% Sky Obscured)

18
17
17
32
45
58
64
69
75
64
52
39
34
23
18
16
13
14
14
15
15
20
24
19

High Clouds (% Sky Obscured)

12
16
25
48
67
86
80
71
69
77
71
81
90
90
90
90
85
80
80
85
85
74
59
49

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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
14
22
30
42
47
50

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
0.2
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
12
12
11
10
10
10
10
10
11
12
14
16
18
19
20
20
21
21
20
19
18
17
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
65
72
80
83
85
88
85
84
81
69
57
48
42
38
33
31
29
27
29
31
33
39
47

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1020
1020
1019
1019
1018
1018
1018
1018
1018
1019

Ozone (du)

342
342
342
343
343
343
344
343
342
341
341
341
341
341
342
342
342
342
342
342
343
343
342
341

Sunday 23

Waxing Gibbous 80%

18:55

01:14

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

Sun - Rise: 06:02, Set: 20:07, Transit: 13:05. Moon - Rise: 18:55, Set: 01:14. Civil Dark: 20:44 - 05:26. Nautical Dark: 21:29 - 04:40. Astro Dark: 22:25 - 03:48

Total Clouds (% Sky Obscured)

82
77
63
60
54
53
55
60
66
58
44
33
38
43
53
62
62
67
67
77
80

Low Clouds (% Sky Obscured)

34
25
18
18
12
8
21
35
48
44
38
30
31
32
34
34
36
39
41
44
45

Medium Clouds (% Sky Obscured)

24
29
30
30
30
30
35
35
35
40
44
33
38
43
53
60
60
60
60
60
75

High Clouds (% Sky Obscured)

56
61
63
55
30
20
20
20
35
40
40
33
38
43
53
56
47
48
57
62
71

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

Precipitation Probability (%)

38
26
13
24
30
23
54
73
89
95
95
95
95
95
88
79
69
57
55
55
53

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.5
0.7
1
1.3
1.1
0.8
0.5
0.4
0.3
0
0
0.2
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
7
9
10
11
11
12
12
12
11
8
6
3
2
0
-1
-2
-2
-2
-2
-2

Relative Humidity (%)

57
63
70
79
82
84
87
87
87
84
68
55
44
38
34
29
27
26
24
25
26

Pressure (mb)

1019
1019
1018
1018
1018
1018
1017
1017
1017
1017
1016
1016
1016
1016
1015
1015
1014
1014
1013
1013
1013

Ozone (du)

339
339
340
340
340
340
340
339
338
337
335
334
333
333
333
333
332
331
330
328
327

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

Generated: 17/08/26 21:52:01. Forecast: 17/08/26 to 23/08/26. Timezone: UTC+1.00