Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 18

Waxing Crescent 36%

13:12

21:52

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
23 Bad
00 Bad
01 Bad
02 Bad
03 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: 22:42 - 03:34

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
95
100
100
100
100
100

Low Clouds (% Sky Obscured)

56
84
81
83
83
75
62
55
35
20
23
20
20
22
12
7
2
50
50
55
55
69
73
80

Medium Clouds (% Sky Obscured)

47
71
71
66
76
100
98
97
94
97
94
93
89
88
94
100
100
99
95
100
100
100
100
95

High Clouds (% Sky Obscured)

100
100
92
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
50
45
100
59
95
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
Very Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

1
1
0
12
4
2
2
0
0
0
0
0
0
0
0
0
0
0
2
23
40
61
75
65

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
86
86
86
80
74
68
62
55
47
42
40
39
40
41
44
46
49
51
54
60
72
82
86

Pressure (mb)

1012
1012
1011
1011
1011
1011
1012
1012
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009

Ozone (du)

306
303
304
307
308
308
305
304
302
300
299
297
296
295
294
294
293
292
292
293
293
293
294
300

Wednesday 19

Waxing Crescent 46%

14:29

22:12

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 OK
21 OK
22 OK
23 OK
00 OK
01 Good
02 Good
03 Bad

Sun - Rise: 05:54, Set: 20:18, Transit: 13:06. Moon - Rise: 14:29, Set: 22:12. Civil Dark: 20:55 - 05:17. Nautical Dark: 21:42 - 04:30. Astro Dark: 22:38 - 03:37

Total Clouds (% Sky Obscured)

100
100
100
100
80
69
72
48
66
82
81
83
89
76
60
59
14
29
33
41
31
3
6
78

Low Clouds (% Sky Obscured)

78
79
78
27
34
30
32
30
51
75
61
62
62
59
48
50
8
16
26
33
21
3
5
44

Medium Clouds (% Sky Obscured)

80
56
50
50
45
25
1
26
28
34
62
59
79
42
20
22
5
14
0
0
6
0
1
67

High Clouds (% Sky Obscured)

100
91
87
100
80
69
70
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

6
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 (%)

47
29
16
10
7
5
6
7
6
8
24
18
12
33
40
21
5
1
0
0
0
0
5
8

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

Chance of Frost

Temperature (°C)

15
15
15
15
16
17
18
20
21
22
23
23
23
23
21
20
19
17
16
15
15
14
13
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
92
92
87
81
69
61
53
45
39
42
52
52
49
43
42
46
56
61
68
79
89
95
96

Pressure (mb)

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

Ozone (du)

304
307
311
315
318
321
323
325
324
325
327
329
335
336
330
333
335
337
338
343
344
342
340
341

Thursday 20

First Quarter 56%

15:42

22:40

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:56, Set: 20:16, Transit: 13:06. Moon - Rise: 15:42, Set: 22:40. Civil Dark: 20:53 - 05:19. Nautical Dark: 21:40 - 04:32. Astro Dark: 22:35 - 03:40

Total Clouds (% Sky Obscured)

84
93
98
66
51
38
43
67
88
79
84
100
66
80
83
78
77
80
82
77
85
77
67
58

Low Clouds (% Sky Obscured)

78
43
66
53
31
18
36
57
82
75
73
89
66
72
76
70
71
72
78
77
83
72
63
58

Medium Clouds (% Sky Obscured)

71
84
94
29
19
18
3
7
17
17
21
32
10
22
24
24
19
48
20
5
14
12
10
8

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
2
3
0
0
70
2
7
0
0
0
0
0
0
0
2
14
30

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

7
2
1
1
1
30
37
34
29
55
50
64
68
72
65
81
57
30
13
4
4
5
6
16

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0
0.2
0.3
0.4
0
0.8
0.5
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
92
93
92
82
68
57
48
41
38
37
40
42
44
48
58
74
86
89
89
90
87
87
89

Pressure (mb)

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

Ozone (du)

343
343
343
346
346
346
348
350
348
347
345
345
346
347
348
346
345
343
342
340
339
337
336
337

Friday 21

Waxing Gibbous 66%

16:48

23:19

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
23 OK
00 Bad
01 OK
02 OK
03 OK

Sun - Rise: 05:57, Set: 20:14, Transit: 13:06. Moon - Rise: 16:48, Set: 23:19. Civil Dark: 20:51 - 05:21. Nautical Dark: 21:37 - 04:34. Astro Dark: 22:31 - 03:43

Total Clouds (% Sky Obscured)

70
82
94
92
89
87
90
94
100
100
100
98
98
97
100
85
67
64
49
39
61
34
25
24

Low Clouds (% Sky Obscured)

64
70
76
80
84
87
80
69
64
66
66
60
63
64
75
47
15
2
2
2
2
8
12
17

Medium Clouds (% Sky Obscured)

19
40
70
70
67
39
48
87
91
82
73
50
36
12
13
11
10
8
10
14
15
12
9
8

High Clouds (% Sky Obscured)

50
67
84
78
71
65
71
61
97
87
91
86
90
81
62
52
51
50
34
20
42
11
2
2

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

20
22
28
25
3
11
5
12
28
45
49
45
42
39
35
26
16
1
1
2
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
90
90
89
86
80
75
71
68
63
61
56
50
52
56
61
70
76
80
83
84
88
91

Pressure (mb)

1011
1011
1011
1012
1012
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1015
1015
1016
1016
1017
1017
1017
1017
1018

Ozone (du)

336
337
339
340
341
342
342
343
344
344
344
342
340
340
340
341
341
343
344
346
347
348
348
349

Saturday 22

Waxing Gibbous 75%

17:42

00:10

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

Sun - Rise: 05:59, Set: 20:12, Transit: 13:05. Moon - Rise: 17:42, Set: 00:10. Civil Dark: 20:48 - 05:22. Nautical Dark: 21:35 - 04:36. Astro Dark: 22:28 - 03:45

Total Clouds (% Sky Obscured)

27
25
25
21
15
11
22
32
45
49
57
67
74
71
79
58
60
57
47
38
31
47
66
78

Low Clouds (% Sky Obscured)

17
15
15
13
11
9
12
14
16
13
12
20
36
40
65
58
60
57
40
25
10
10
10
7

Medium Clouds (% Sky Obscured)

9
11
11
7
2
1
4
8
9
11
16
22
22
21
24
16
16
18
18
15
12
16
17
21

High Clouds (% Sky Obscured)

3
3
0
0
0
0
0
0
0
0
0
0
1
1
2
2
3
3
4
5
6
30
57
78

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
8
7
6
4
4
3
3
3
2
2
2
1
1
2
3
3
4
4
4
4
5
5

Relative Humidity (%)

91
90
90
84
67
53
46
40
37
34
31
29
28
28
29
33
38
43
50
53
57
60
64
66

Pressure (mb)

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

Ozone (du)

350
351
352
352
352
352
352
353
354
354
354
353
353
354
355
355
354
354
353
354
355
355
353
351

Sunday 23

Waxing Gibbous 83%

18:25

01:14

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:01, Set: 20:10, Transit: 13:05. Moon - Rise: 18:25, Set: 01:14. Civil Dark: 20:46 - 05:24. Nautical Dark: 21:32 - 04:38. Astro Dark: 22:25 - 03:48

Total Clouds (% Sky Obscured)

80
78
77
74
72
72
70
65
65
66
67
77
86
89
94
95
97
98
90
82
73
71
69
71

Low Clouds (% Sky Obscured)

7
4
3
3
2
1
1
1
1
5
10
15
32
46
58
62
68
75
54
37
20
14
9
3

Medium Clouds (% Sky Obscured)

22
18
19
15
18
17
20
19
22
28
30
33
33
34
35
34
34
33
33
29
30
30
30
30

High Clouds (% Sky Obscured)

80
78
77
74
72
72
70
65
65
66
60
45
36
37
34
34
30
26
34
43
53
57
61
70

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
1
1
1
15
23
30
42
47
50
38
26
13
24
30
23

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
11
11
13
14
16
17
19
20
20
21
21
20
19
18
17
16
15
15
14
14
13
13

Feels Like (°C)

11
11
11
11
11
11
11
12
13
14
20
19
19
19
19
20
14
14
14
14
15
15
12
13

Dew Point (°C)

5
6
7
8
8
8
8
7
6
5
4
3
2
3
4
5
5
6
6
7
8
9
9
10

Relative Humidity (%)

69
73
76
80
71
64
57
50
43
37
33
31
28
32
37
43
46
50
53
59
66
72
76
80

Pressure (mb)

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

Ozone (du)

349
348
348
347
346
346
345
345
345
345
346
347
348
348
349
349
349
349
349
350
351
352
352
352

Monday 24

Waxing Gibbous 90%

18:55

02:26

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
23 Bad
00 Bad

Sun - Rise: 06:02, Set: 20:07, Transit: 13:05. Moon - Rise: 18:55, Set: 02:26. Civil Dark: 20:44 - 05:26. Nautical Dark: 21:29 - 04:40. Astro Dark: 22:21 - 03:51

Total Clouds (% Sky Obscured)

76
90
90
95
85
75
70
71
66
74
79
87
93
97
100
98
97
95
97
98
100

Low Clouds (% Sky Obscured)

13
23
31
31
28
26
27
28
29
29
32
30
34
41
42
43
41
42
42
37
30

Medium Clouds (% Sky Obscured)

35
40
40
40
40
40
40
40
40
40
35
35
35
30
30
39
49
58
70
81
93

High Clouds (% Sky Obscured)

70
80
85
85
80
65
65
71
61
70
75
86
93
97
100
85
71
57
67
75
83

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
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
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

54
72
88
95
95
95
95
95
86
77
67
56
54
53
53
52
37
10
12
12
7

Precipitation Amount (mm)

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
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
10
11
11
9
7
6
3
1
-2
-2
-3
-4
-3
-2
-1
0
1
2
3
4

Relative Humidity (%)

83
82
82
82
71
61
53
43
36
29
28
26
24
26
28
29
33
36
40
43
47

Pressure (mb)

1017
1017
1017
1016
1016
1016
1016
1015
1015
1014
1014
1013
1013
1013
1013
1012
1013
1013
1013
1013
1013

Ozone (du)

352
350
348
347
344
340
337
336
334
333
332
332
331
330
329
328
327
326
325
324
322

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

Generated: 18/08/26 04:31:41. Forecast: 18/08/26 to 24/08/26. Timezone: UTC+1.00