Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 23

Waxing Gibbous 60%

12:10

02:58

00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 OK
08 OK
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

Sun - Rise: 05:42, Set: 20:05, Transit: 12:53. Moon - Rise: 12:10, Set: 02:58. Civil Dark: 20:41 - 05:05. Nautical Dark: 21:28 - 04:19. Astro Dark: 22:22 - 03:25

Total Clouds (% Sky Obscured)

12
1
0
0
0
0
4
29
36
57
74
99
99
99
98
97
99
98
98
95
66
82
94
95

Low Clouds (% Sky Obscured)

12
1
0
0
0
0
0
0
0
0
27
35
63
83
53
26
44
11
4
17
8
1
0
0

Medium Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
0
0
0
34
0
1
70
24
16
5
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
4
29
36
57
66
99
98
96
97
96
97
97
98
93
63
82
94
95

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

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
11
7
6
6
5
5
6
11
12
13
13
14
14
14
14
14
14
13
12
11
10
7

Dew Point (°C)

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

Relative Humidity (%)

75
75
74
80
77
78
83
86
84
79
76
73
70
68
67
66
65
65
65
67
71
76
82
86

Pressure (mb)

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

Ozone (du)

351
355
356
358
359
360
363
364
362
359
357
356
355
354
353
351
350
349
349
348
348
347
345
343

Tuesday 24

Waxing Gibbous 71%

13:24

03:36

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
22 Bad
23 Bad

Sun - Rise: 05:40, Set: 20:07, Transit: 12:53. Moon - Rise: 13:24, Set: 03:36. Civil Dark: 20:43 - 05:03. Nautical Dark: 21:30 - 04:17. Astro Dark: 22:25 - 03:22

Total Clouds (% Sky Obscured)

97
96
95
95
93
94
98
100
97
99
99
99
99
98
98
87
99
100
99
99
99
100
100
100

Low Clouds (% Sky Obscured)

6
6
11
17
13
9
74
94
47
52
97
98
99
97
94
85
99
100
99
99
91
100
100
100

Medium Clouds (% Sky Obscured)

1
9
14
41
28
51
81
98
91
95
79
7
7
9
27
33
46
52
90
70
95
64
99
96

High Clouds (% Sky Obscured)

97
96
94
91
91
88
86
65
46
42
73
68
38
73
67
4
7
73
11
47
63
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
9
9
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

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

Precipitation Probability (%)

0
0
0
0
3
4
6
7
9
9
9
7
5
4
4
4
5
5
5
5
8
14
19
20

Precipitation Amount (mm)

0
0
0
0
0.01
0.01
0.03
0.05
0.07
0.09
0.09
0.06
0.03
0.02
0.02
0.02
0.04
0.04
0.03
0.04
0.08
0.13
0.19
0.23

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
5
5
5
6
6
6
10
11
11
12
12
13
13
13
13
13
13
13
12
12
12
11

Dew Point (°C)

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

Relative Humidity (%)

91
94
95
94
92
92
94
95
94
93
92
90
88
87
88
88
88
86
83
82
82
85
87
87

Pressure (mb)

1017
1017
1017
1016
1016
1016
1015
1015
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1014
1014
1014
1015
1015
1015

Ozone (du)

340
337
335
333
331
330
329
328
327
327
327
327
326
325
325
324
323
323
323
324
324
324
326
328

Wednesday 25

Waxing Gibbous 81%

14:39

04:08

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

Sun - Rise: 05:38, Set: 20:08, Transit: 12:53. Moon - Rise: 14:39, Set: 04:08. Civil Dark: 20:45 - 05:01. Nautical Dark: 21:32 - 04:14. Astro Dark: 22:28 - 03:18

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
84
81
56
61
41
44
52
50
54
53
66
36
46
24
24
24
24
24

Low Clouds (% Sky Obscured)

99
99
100
100
100
100
68
67
52
61
35
17
11
7
29
31
45
20
38
16
16
16
16
16

Medium Clouds (% Sky Obscured)

81
82
74
94
95
81
70
69
27
2
19
39
49
49
45
52
64
34
34
22
22
22
22
22

High Clouds (% Sky Obscured)

2
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)

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

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

Precipitation Probability (%)

20
18
15
10
6
4
0
0
0
0
0
3
6
7
7
7
7
8
8
7
7
6
6
8

Precipitation Amount (mm)

0.25
0.23
0.14
0.06
0.02
0.01
0
0
0
0
0
0.02
0.09
0.15
0.14
0.11
0.1
0.1
0.09
0.08
0.05
0.03
0.02
0.04

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
87
86
86
86
87
88
86
82
77
72
69
66
66
69
75
79
81
82
82
83
84
85
87

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1014
1013

Ozone (du)

330
334
339
344
348
350
351
351
351
351
350
351
351
352
354
356
357
356
355
354
354
355
356
358

Thursday 26

Waxing Gibbous 89%

15:54

04:36

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

Sun - Rise: 05:36, Set: 20:10, Transit: 12:53. Moon - Rise: 15:54, Set: 04:36. Civil Dark: 20:47 - 04:59. Nautical Dark: 21:34 - 04:12. Astro Dark: 22:31 - 03:15

Total Clouds (% Sky Obscured)

24
1
1
1
1
1
1
0
0
0
0
0
0
62
62
62
62
62
62
53
53
53
53
53

Low Clouds (% Sky Obscured)

16
1
1
1
1
1
1
0
0
0
0
0
0
1
1
1
1
1
1
28
28
28
28
28

Medium Clouds (% Sky Obscured)

22
0
0
0
0
0
0
0
0
0
0
0
0
62
62
62
62
62
62
23
23
23
23
23

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
35
35
35
35
35

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

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

Precipitation Probability (%)

12
16
19
23
25
26
25
23
18
10
0
0
0
4
6
8
9
9
8
7
6
4
0
0

Precipitation Amount (mm)

0.12
0.19
0.22
0.31
0.44
0.53
0.58
0.51
0.25
0.04
0
0
0
0.01
0.04
0.12
0.19
0.18
0.12
0.07
0.03
0.01
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
90
91
92
95
98
99
95
87
78
72
67
65
64
64
65
65
66
67
68
68
69
70
71

Pressure (mb)

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

Ozone (du)

361
364
365
367
370
375
381
384
384
381
378
378
378
378
378
378
377
378
379
379
377
374
371
371

Friday 27

Waxing Gibbous 95%

17:08

05:01

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

Sun - Rise: 05:34, Set: 20:11, Transit: 12:53. Moon - Rise: 17:08, Set: 05:01. Civil Dark: 20:49 - 04:57. Nautical Dark: 21:36 - 04:09. Astro Dark: 22:34 - 03:12

Total Clouds (% Sky Obscured)

53
100
100
100
100
100
100
0
0
0
0
0
0
59
59
59
59
59
59
44
44
44
44
44

Low Clouds (% Sky Obscured)

28
4
4
4
4
4
4
0
0
0
0
0
0
53
53
53
53
53
53
5
5
5
5
5

Medium Clouds (% Sky Obscured)

23
4
4
4
4
4
4
0
0
0
0
0
0
34
34
34
34
34
34
44
44
44
44
44

High Clouds (% Sky Obscured)

35
100
100
100
100
100
100
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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
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
None

Precipitation Probability (%)

0
5
5
0
0
0
0
0
0
0
0
0
4
5
6
7
7
7
8
8
8
7
0
0

Precipitation Amount (mm)

0
0.01
0.01
0
0
0
0
0
0
0
0
0
0.01
0.02
0.03
0.03
0.04
0.04
0.04
0.04
0.02
0.01
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
4
4
3
2
2
2
2
5
7
8
11
11
11
11
11
11
11
11
11
8
7
5
5

Dew Point (°C)

3
3
3
3
3
3
3
3
4
4
4
5
5
5
5
5
5
5
5
5
5
5
4
4

Relative Humidity (%)

73
75
78
82
86
91
92
90
82
75
69
66
64
63
63
64
65
66
68
70
73
77
80
82

Pressure (mb)

1018
1017
1017
1017
1017
1016
1016
1016
1016
1017
1017
1017
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1016
1016

Ozone (du)

371
371
370
370
369
369
368
368
367
367
366
365
365
365
365
366
367
368
369
370
370
371
371
371

Saturday 28

Waxing Gibbous 97%

18:21

05:24

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
22 Bad
23 Bad

Sun - Rise: 05:32, Set: 20:13, Transit: 12:53. Moon - Rise: 18:21, Set: 05:24. Civil Dark: 20:51 - 04:55. Nautical Dark: 21:39 - 04:07. Astro Dark: 22:37 - 03:08

Total Clouds (% Sky Obscured)

44
100
100
100
100
100
100
88
88
88
88
88
88
98
98
98
98
98
98
99
99
99
99
99

Low Clouds (% Sky Obscured)

5
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
13
13
13
13
13

Medium Clouds (% Sky Obscured)

44
100
100
100
100
100
100
88
88
88
88
88
88
52
52
52
52
52
52
52
52
52
52
52

High Clouds (% Sky Obscured)

0
100
100
100
100
100
100
0
0
0
0
0
0
98
98
98
98
98
98
98
98
98
98
98

ISS Passover

Visibility (miles)

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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
5
7
9
15
18
21
22
23
23
23
22
22
21
19
17
16

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.01
0.01
0.02
0.05
0.11
0.25
0.59
1.17
1.57
1.38
0.92
0.53
0.25
0.07
0.03
0.02

Wind Speed/Direction (mph)

7
7
7
7
6
7
8
9
10
10
11
12
13
14
14
14
13
12
9
8
7
5
7
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
82
81
79
77
76
78
78
77
74
72
72
73
73
72
71
71
72
73
76
80
86
90
92

Pressure (mb)

1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1013
1012
1012
1011
1011
1010
1010
1010
1010
1010
1010
1011

Ozone (du)

372
373
375
377
378
380
382
382
381
380
378
376
373
372
371
371
371
371
372
372
372
372
372
370

Sunday 29

Waxing Gibbous 99%

19:32

05:47

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
22 Bad
23 Bad

Sun - Rise: 05:30, Set: 20:15, Transit: 12:52. Moon - Rise: 19:32, Set: 05:47. Civil Dark: 20:52 - 04:53. Nautical Dark: 21:41 - 04:04. Astro Dark: 22:40 - 03:05

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
83
83
83
83
83

Low Clouds (% Sky Obscured)

13
35
35
35
35
35
35
9
9
9
9
9
9
83
83
83
83
83
83
30
30
30
30
30

Medium Clouds (% Sky Obscured)

52
74
74
74
74
74
74
97
97
97
97
97
97
91
91
91
91
91
91
54
54
54
54
54

High Clouds (% Sky Obscured)

98
100
100
100
100
100
100
98
98
98
98
98
98
98
98
98
98
98
98
66
66
66
66
66

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

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

Precipitation Probability (%)

15
14
13
13
12
11
0
0
0
0
0
0
0
0
0
12
13
13
0
0
0
0
0
0

Precipitation Amount (mm)

0.02
0.02
0.02
0.03
0.03
0.02
0
0
0
0
0
0
0
0
0
0.01
0.02
0.01
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
15
15
15
14
13
11
12
14
15
17
18
19
20
20
20
20
19
18
17
17
18
18
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
3
2
1
1
1
2
3
4
5
6
6
6
10
10
11
11
11
11
10
6
5
4
4

Dew Point (°C)

6
6
5
5
5
5
5
5
6
6
6
7
7
7
7
6
6
6
6
6
5
5
5
5

Relative Humidity (%)

93
94
97
99
99
98
96
93
89
85
83
82
82
81
79
75
72
71
72
72
74
76
78
80

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

369
368
370
372
373
374
374
375
375
376
377
377
377
379
384
391
397
400
402
403
403
402
402
403

Forecast for Canterbury, Kent, UK (51.28,1.08)

Generated: 23/04/18 03:03:51. Forecast: 23/04/18 to 29/04/18. Timezone: UTC+1.00