Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 20

Waning Gibbous 97%

21:19

07:13

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

Sun - Rise: 05:46, Set: 20:01, Transit: 12:54. Moon - Rise: 21:19, Set: 07:13. Civil Dark: 20:37 - 05:10. Nautical Dark: 21:21 - 04:24. Astro Dark: 22:13 - 03:32

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

6
7
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

-
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)

6
6
8
9
9
8
8
7
6
6
5
6
7
7
8
9
9
9
9
9
9
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
7
7
8
7
7
7
7
7
7
8
8
8
8
8
8
7
7
7
7
7
7
7

Relative Humidity (%)

67
72
77
81
82
83
83
83
84
84
81
74
66
60
56
53
51
50
49
49
50
53
56
60

Pressure (mb)

1027
1027
1027
1027
1026
1026
1025
1025
1024
1024
1024
1023
1023
1022
1022
1021
1021
1020
1019
1019
1018
1017
1017
1016

Ozone (du)

365
362
360
359
357
356
355
354
353
352
350
349
348
348
347
347
347
347
348
348
350
351
352
353

Sunday 21

Waning Gibbous 91%

22:36

07:45

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

Sun - Rise: 05:44, Set: 20:03, Transit: 12:53. Moon - Rise: 22:36, Set: 07:45. Civil Dark: 20:39 - 05:08. Nautical Dark: 21:23 - 04:22. Astro Dark: 22:16 - 03:28

Total Clouds (% Sky Obscured)

0
0
0
2
2
8
20
25
21
19
77
74
86
96
99
7
0
0
16
9
34
25
78
94

Low Clouds (% Sky Obscured)

0
0
0
2
2
8
20
24
21
18
16
16
6
1
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
2
4
4
2
0
18
41
0
0
0
0
5
33
16
12
14

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
72
70
85
96
98
7
0
0
16
6
7
12
75
93

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
69
72
73
75
76
76
76
76
75
73
67
61
57
53
50
48
47
46
46
48
51
53
55

Pressure (mb)

1016
1016
1016
1015
1014
1013
1012
1012
1011
1010
1010
1009
1009
1009
1008
1007
1007
1006
1005
1005
1004
1003
1003
1003

Ozone (du)

354
354
353
352
351
350
348
347
346
346
346
348
351
352
352
351
350
350
350
351
351
352
353
353

Monday 22

Waning Gibbous 84%

23:47

08:22

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

Sun - Rise: 05:42, Set: 20:05, Transit: 12:53. Moon - Rise: 23:47, Set: 08:22. Civil Dark: 20:41 - 05:06. Nautical Dark: 21:25 - 04:19. Astro Dark: 22:19 - 03:25

Total Clouds (% Sky Obscured)

98
84
58
2
2
2
2
0
0
0
0
0
0
0
0
0
0
1
23
84
69
14
41
41

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

55
31
52
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
23
77
64
0
0
0

High Clouds (% Sky Obscured)

95
79
14
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
31
13
14
41
41

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
8
8
8
8
8
8
8
7
7
7
7
7
7
7
7
7
7
7
7
8
8
8

Relative Humidity (%)

58
60
63
65
66
68
69
70
72
74
72
68
62
57
55
53
52
52
51
52
54
56
59
63

Pressure (mb)

1003
1003
1002
1002
1002
1001
1001
1000
1000
1000
1000
1000
1000
1000
1000
1000
999
999
999
998
998
997
997
997

Ozone (du)

353
353
354
355
356
357
358
359
360
360
360
361
362
362
361
359
358
357
358
358
359
360
361
362

Tuesday 23

Waning Gibbous 76%

00:51

09:06

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

Sun - Rise: 05:40, Set: 20:06, Transit: 12:53. Moon - Rise: 00:51, Set: 09:06. Civil Dark: 20:43 - 05:03. Nautical Dark: 21:27 - 04:17. Astro Dark: 22:22 - 03:22

Total Clouds (% Sky Obscured)

41
41
41
41
37
37
37
37
37
37
49
49
49
49
49
49
56
56
56
56
56
56
41
41

Low Clouds (% Sky Obscured)

0
0
0
0
2
2
2
2
2
2
0
0
0
0
0
0
32
32
32
32
32
32
31
31

Medium Clouds (% Sky Obscured)

0
0
0
0
10
10
10
10
10
10
17
17
17
17
17
17
35
35
35
35
35
35
38
38

High Clouds (% Sky Obscured)

41
41
41
41
32
32
32
32
32
32
41
41
41
41
41
41
20
20
20
20
20
20
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
8
10
10
10
10
10
10
10
10
10
10

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
1
2
2
2
2
0
0
0
0
0
0
0
4
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.03
0.05
0.03
0
0
0
0
0
0
0
0.01
0.03

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
73
76
77
78
79
80
81
80
78
76
72
67
63
59
55
53
53
53
54
54
56
58
61

Pressure (mb)

997
997
997
996
996
996
995
995
995
995
995
996
997
997
998
998
999
999
999
1000
1000
1000
1000
1000

Ozone (du)

362
363
364
365
366
369
372
375
377
378
378
377
374
373
375
377
380
383
386
389
392
395
397
398

Wednesday 24

Waning Gibbous 67%

01:45

09:57

21 Bad
22 Bad
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

Sun - Rise: 05:38, Set: 20:08, Transit: 12:53. Moon - Rise: 01:45, Set: 09:57. Civil Dark: 20:45 - 05:01. Nautical Dark: 21:30 - 04:14. Astro Dark: 22:24 - 03:19

Total Clouds (% Sky Obscured)

41
41
41
41
100
100
100
100
100
100
96
96
96
96
96
96
100
100
100
100
100
100
61
61

Low Clouds (% Sky Obscured)

31
31
31
31
0
0
0
0
0
0
0
0
0
0
0
0
52
52
52
52
52
52
5
5

Medium Clouds (% Sky Obscured)

38
38
38
38
0
0
0
0
0
0
1
1
1
1
1
1
98
98
98
98
98
98
7
7

High Clouds (% Sky Obscured)

0
0
0
0
100
100
100
100
100
100
96
96
96
96
96
96
99
99
99
99
99
99
59
59

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

7
7
5
2
1
6
20
40
40
30
23
26
35
38
33
26
22
19
18
15
11
8
3
6

Precipitation Amount (mm)

0.07
0.09
0.06
0.02
0.01
0.04
0.16
0.27
0.23
0.13
0.08
0.11
0.29
0.44
0.35
0.21
0.17
0.13
0.08
0.05
0.03
0.01
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
70
71
70
71
76
82
87
87
82
78
74
71
68
65
61
59
57
56
56
57
60
62
65

Pressure (mb)

1001
1001
1001
1001
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1001
1001
1001
1002
1002

Ozone (du)

398
397
394
391
388
387
386
386
386
387
388
388
389
389
390
391
392
394
397
399
401
403
403
402

Thursday 25

Waning Gibbous 57%

02:31

10:54

21 Bad
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

Sun - Rise: 05:36, Set: 20:09, Transit: 12:53. Moon - Rise: 02:31, Set: 10:54. Civil Dark: 20:47 - 04:59. Nautical Dark: 21:32 - 04:12. Astro Dark: 22:27 - 03:15

Total Clouds (% Sky Obscured)

61
61
61
61
72
72
72
72
72
72
89
89
89
89
89
89
97
97
97
97
97
97
95
95

Low Clouds (% Sky Obscured)

5
5
5
5
12
12
12
12
12
12
53
53
53
53
53
53
17
17
17
17
17
17
13
13

Medium Clouds (% Sky Obscured)

7
7
7
7
41
41
41
41
41
41
25
25
25
25
25
25
67
67
67
67
67
67
27
27

High Clouds (% Sky Obscured)

59
59
59
59
60
60
60
60
60
60
81
81
81
81
81
81
95
95
95
95
95
95
93
93

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
8
9
10
10
10
10
10
10
10
10
10
10
8
10

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

Precipitation Probability (%)

9
10
8
4
0
0
0
3
5
10
13
11
6
3
10
19
23
15
6
3
2
3
4
4

Precipitation Amount (mm)

0.04
0.06
0.03
0.01
0
0
0
0.01
0.01
0.04
0.07
0.04
0.01
0.01
0.03
0.1
0.18
0.15
0.08
0.04
0.02
0.03
0.05
0.03

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
11
11
10
10
7
7
7
10
11
11
12
13
14
14
14
15
15
15
14
13
13
12

Dew Point (°C)

7
7
7
7
7
7
7
6
6
6
7
7
6
6
7
7
7
7
6
6
6
6
6
6

Relative Humidity (%)

70
74
77
79
80
80
80
79
78
78
76
72
67
64
63
62
61
58
56
56
58
61
65
67

Pressure (mb)

1003
1004
1004
1005
1005
1005
1006
1006
1007
1007
1008
1008
1009
1009
1010
1011
1011
1011
1011
1012
1012
1012
1013
1013

Ozone (du)

399
396
395
395
394
395
396
396
396
396
397
399
403
406
405
402
399
394
389
384
380
377
374
372

Friday 26

Third Quarter 47%

03:07

11:55

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

Sun - Rise: 05:34, Set: 20:11, Transit: 12:53. Moon - Rise: 03:07, Set: 11:55. Civil Dark: 20:48 - 04:57. Nautical Dark: 21:34 - 04:09. Astro Dark: 22:30 - 03:12

Total Clouds (% Sky Obscured)

95
95
95
95
6
6
6
6
6
6
100
100
100
100
100
100
99
99
99
99
99
99
1
1

Low Clouds (% Sky Obscured)

13
13
13
13
6
6
6
6
6
6
100
100
100
100
100
100
28
28
28
28
28
28
0
0

Medium Clouds (% Sky Obscured)

27
27
27
27
0
0
0
0
0
0
98
98
98
98
98
98
34
34
34
34
34
34
1
1

High Clouds (% Sky Obscured)

93
93
93
93
0
0
0
0
0
0
0
0
0
0
0
0
99
99
99
99
99
99
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
9
6
5
5
5
7
9
10
10
10
10
10
10
10
10
10
10
10
10

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

Precipitation Probability (%)

4
0
7
14
27
45
62
60
36
15
4
3
0
0
3
5
7
4
2
1
2
3
4
4

Precipitation Amount (mm)

0.01
0
0.01
0.05
0.12
0.27
0.52
0.66
0.49
0.22
0.07
0.02
0
0
0.01
0.03
0.06
0.04
0.02
0.01
0.01
0.04
0.05
0.04

Wind Speed/Direction (mph)

22
23
24
26
27
23
19
27
20
19
20
18
19
19
19
19
20
20
21
21
21
21
20
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
12
11
11
11
11
11
10
6
6
10
12
13
13
14
14
15
16
17
16
16
15
14

Dew Point (°C)

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

Relative Humidity (%)

68
70
72
74
76
77
78
77
76
74
70
65
61
58
59
61
63
62
60
59
60
63
67
69

Pressure (mb)

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

Ozone (du)

371
369
366
362
361
365
371
377
383
390
396
402
408
412
412
408
405
405
404
404
402
401
400
401

Forecast for Herne Bay CT6 7NH, UK (51.35,1.12)

Generated: 20/04/19 21:16:47. Forecast: 20/04/19 to 26/04/19. Timezone: UTC+1.00