Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 20

First Quarter 66%

16:48

22:40

22 OK
23 OK
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 OK
09 OK
10 Bad
11 OK
12 Bad
13 Bad
14 Bad
15 OK
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)

42
40
38
75
65
42
44
45
51
48
37
46
61
42
68
85
75
38
83
64
70
46
54
51

Low Clouds (% Sky Obscured)

15
13
38
69
52
19
21
20
22
20
21
34
53
31
34
46
70
38
67
64
38
12
41
51

Medium Clouds (% Sky Obscured)

31
24
28
28
20
20
23
25
31
33
23
20
16
14
42
49
27
1
35
20
38
34
36
38

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
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
6
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
1
0
0
0
0
0
0
0
0
0
0
0
1
8
1
6
8
14
20
22
5

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
8
6
6
7
6
6
6
6
6
8
9
9
9
8
9
9
9
8
9
11
13
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
13
12
10
10
11
11
11
11
11
12
14
14
16
17
16
16
17
16
16
14
13
12

Dew Point (°C)

12
12
12
11
9
10
10
10
10
10
8
8
7
6
5
5
3
4
4
6
8
7
10
11

Relative Humidity (%)

84
87
92
89
83
88
93
95
96
90
77
67
55
47
42
37
34
35
34
39
45
51
68
80

Pressure (mb)

1009
1010
1010
1011
1011
1011
1012
1012
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1015
1016
1016
1017

Ozone (du)

347
346
346
346
347
346
346
349
349
349
349
348
347
346
344
345
346
348
351
354
356
359
360
360

Friday 21

Waxing Gibbous 75%

17:42

23:19

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

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)

44
52
33
23
10
4
3
4
2
2
2
4
38
58
75
62
66
63
52
42
28
16
6
15

Low Clouds (% Sky Obscured)

44
30
15
14
1
0
1
3
2
2
2
4
35
46
44
22
18
17
25
12
9
14
3
8

Medium Clouds (% Sky Obscured)

40
43
22
10
10
4
2
2
0
0
0
0
0
21
39
37
43
39
26
23
15
5
3
10

High Clouds (% Sky Obscured)

0
0
0
1
1
2
1
2
0
0
0
0
0
0
0
0
0
0
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
None
None
None
None
None
None

Precipitation Probability (%)

1
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
8
6
5
5
5
5
5
5
4
6
7
8
9
9
8
8
8
8
8
8
7
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
74
81
87
88
88
85
85
87
82
68
60
51
46
42
39
35
33
32
34
38
41
50
58

Pressure (mb)

1018
1018
1019
1019
1020
1020
1020
1021
1021
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1024

Ozone (du)

360
359
358
358
358
358
358
358
358
358
358
357
357
359
359
360
361
361
361
361
361
360
359
359

Saturday 22

Waxing Gibbous 83%

18:25

00:10

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

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)

18
24
25
29
29
25
22
48
40
35
17
19
24
44
52
53
52
55
65
53
45
40
38
36

Low Clouds (% Sky Obscured)

10
10
14
13
14
13
14
30
31
23
11
14
16
2
12
6
0
1
1
0
0
4
5
7

Medium Clouds (% Sky Obscured)

14
20
21
22
16
12
9
11
0
0
0
0
0
22
24
25
30
31
34
31
27
24
21
19

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
1

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
4
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)

3
4
3
2
2
3
3
3
3
2
2
3
3
3
4
4
4
4
4
3
4
5
5
5

Chance of Frost

Temperature (°C)

16
15
14
13
12
12
11
10
10
11
13
15
18
19
21
22
23
23
23
23
23
22
20
19

Feels Like (°C)

15
14
14
13
13
12
11
11
10
12
14
16
18
20
21
21
22
22
23
22
22
21
19
18

Dew Point (°C)

7
7
7
6
6
6
5
5
5
5
6
7
7
6
6
5
5
4
4
3
3
4
5
4

Relative Humidity (%)

57
58
62
63
65
66
67
69
71
68
61
55
48
41
38
34
31
29
27
27
27
30
36
38

Pressure (mb)

1024
1025
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1025
1025
1025
1024
1024
1023
1023
1023
1023
1024

Ozone (du)

359
358
358
359
358
357
359
359
357
353
350
349
348
347
347
345
343
342
341
339
338
338
337
336

Sunday 23

Waxing Gibbous 80%

18:55

01:14

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

Sun - Rise: 06:02, 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)

30
23
16
13
11
8
16
28
46
32
19
11
42
66
93
94
94
94
96
97
98
98
85
60

Low Clouds (% Sky Obscured)

9
10
11
9
6
4
3
2
0
1
3
4
13
22
28
24
18
14
10
5
0
3
6
8

Medium Clouds (% Sky Obscured)

13
5
0
0
0
0
0
0
0
0
0
0
1
2
5
8
8
60
63
40
17
17
13
10

High Clouds (% Sky Obscured)

2
2
2
2
2
2
11
21
46
31
15
6
29
52
81
86
87
89
91
92
96
97
79
44

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
4
5
5
5
5
4
4
4
5
7
10
12
12
13
14
14
15
15
15
15
13
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

42
52
62
70
71
69
70
76
83
77
63
54
45
38
34
33
34
34
34
35
38
42
51
62

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1022
1021
1020
1020
1019
1018
1018
1017
1017
1017
1017

Ozone (du)

335
334
334
334
333
334
335
338
339
336
333
329
325
321
319
319
320
321
322
322
321
320
320
320

Monday 24

Waxing Gibbous 90%

19:17

02:26

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: 06:04, Set: 20:05, Transit: 13:05. Moon - Rise: 19:17, Set: 02:26. Civil Dark: 20:41 - 05:28. Nautical Dark: 21:27 - 04:42. Astro Dark: 22:21 - 03:51

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
95
91
85
85
83
83
84
85
85
80
75
69
66
65
66
77
88
100

Low Clouds (% Sky Obscured)

14
18
23
27
31
34
30
20
16
12
51
33
52
59
41
35
23
8
5
5
3
4
4
5

Medium Clouds (% Sky Obscured)

9
11
11
73
86
25
42
88
85
78
83
83
84
82
78
61
43
22
14
13
14
32
52
70

High Clouds (% Sky Obscured)

100
100
100
100
100
100
91
82
70
65
59
50
47
39
30
24
18
14
24
35
44
67
81
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
1
1
0
2
6
4
7
7
4
3
3
0
1
3
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)

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

Chance of Frost

Temperature (°C)

16
16
15
15
15
15
15
15
15
15
16
18
20
20
21
23
24
24
25
25
24
23
22
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
83
83
86
84
86
84
83
84
84
77
71
56
59
52
48
45
41
38
40
41
43
52
62

Pressure (mb)

1017
1016
1016
1015
1015
1014
1014
1013
1013
1013
1013
1013
1012
1012
1012
1011
1011
1010
1010
1010
1009
1009
1009
1010

Ozone (du)

319
319
318
318
318
320
321
321
320
319
318
321
320
321
319
317
316
314
313
313
313
313
312
312

Tuesday 25

Waxing Gibbous 95%

19:34

03:42

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: 06:06, Set: 20:03, Transit: 13:04. Moon - Rise: 19:34, Set: 03:42. Civil Dark: 20:39 - 05:30. Nautical Dark: 21:24 - 04:45. Astro Dark: 22:18 - 03:54

Total Clouds (% Sky Obscured)

91
80
70
77
84
89
78
69
60
75
87
97
98
98
99
97
95
92
92
91
94
96
97
100

Low Clouds (% Sky Obscured)

26
47
68
56
43
31
29
25
27
38
48
58
61
51
42
49
55
64
51
33
13
8
6
6

Medium Clouds (% Sky Obscured)

70
69
66
65
68
71
61
50
42
25
13
3
4
6
8
6
3
1
4
7
11
32
52
67

High Clouds (% Sky Obscured)

78
50
30
52
69
86
77
66
60
61
41
12
38
69
99
90
79
66
73
84
91
94
96
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

16
22
24
43
56
70
66
55
31
35
31
13
11
6
1
3
4
1
3
5
0
26
39
50

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
7
6
5
5
5
6
6
7
8
10
12
14
15
15
15
15
15
16
14
12
11
8
5

Chance of Frost

Temperature (°C)

19
18
18
17
17
17
17
17
17
17
18
20
21
22
24
25
25
25
25
25
24
24
23
21

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
77
81
85
88
90
96
95
95
95
86
78
70
60
50
43
43
44
43
44
44
44
49
55

Pressure (mb)

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

Ozone (du)

311
313
315
316
319
322
324
324
323
322
322
322
321
325
328
331
331
331
331
329
327
325
326
327

Wednesday 26

Waxing Gibbous 99%

19:48

05:00

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: 06:07, 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)

100
100
100
100
100
100
99
98
97
98
99
99
90
82
78
82
82
84
89
96
100

Low Clouds (% Sky Obscured)

7
9
18
29
60
67
71
76
81
80
83
90
80
71
62
55
47
37
32
26
18

Medium Clouds (% Sky Obscured)

76
85
92
89
87
85
74
66
59
61
60
65
43
25
6
13
19
25
36
48
73

High Clouds (% Sky Obscured)

100
100
100
100
100
100
94
88
68
74
84
94
84
78
71
76
76
82
89
96
100

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

84
95
95
95
95
93
89
80
52
69
81
89
82
75
66
65
61
54
67
70
66

Precipitation Amount (mm)

0.5
0.7
0.9
0.7
0.6
0.6
0.5
0.4
0
0.2
0.4
0.5
0.4
0.4
0.3
0.3
0.2
0
0.4
0.4
0.3

Wind Speed/Direction (mph)

3
4
6
7
6
5
4
5
5
6
6
6
6
6
8
10
11
12
13
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
62
65
69
74
81
88
90
90
93
93
93
92
76
62
51
50
50
49
55
63

Pressure (mb)

1012
1011
1011
1011
1010
1010
1009
1008
1008
1007
1007
1006
1005
1005
1005
1004
1004
1004
1003
1003
1003

Ozone (du)

328
328
329
329
331
333
334
335
336
336
339
342
344
347
349
352
349
346
343
343
343

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

Generated: 20/08/26 22:13:39. Forecast: 20/08/26 to 26/08/26. Timezone: UTC+1.00