Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 24

Waxing Gibbous 71%

13:30

04:18

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 OK
04 Bad
05 Bad
06 Good
07 Good
08 Bad

Sun - Rise: 05:43, Set: 20:16, Transit: 13:01. Moon - Rise: 13:30, Set: 04:18. Civil Dark: 20:54 - 05:06. Nautical Dark: 21:41 - 04:18. Astro Dark: 22:39 - 03:19

Total Clouds (% Sky Obscured)

96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
58
94
37
75
44
10
3
40

Low Clouds (% Sky Obscured)

88
2
99
98
73
100
100
100
100
100
100
100
98
57
100
100
56
94
36
71
38
10
2
40

Medium Clouds (% Sky Obscured)

39
100
100
100
100
100
100
100
100
100
100
100
100
100
85
74
38
2
9
67
30
0
1
0

High Clouds (% Sky Obscured)

62
20
96
94
98
80
73
74
74
0
0
6
34
2
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

7
14
27
45
58
62
64
64
62
59
55
50
42
33
23
12
6
5
4
4
4
4
4
3

Precipitation Amount (mm)

0.04
0.52
0.4
0.42
0.6
0.67
0.68
0.69
0.75
0.89
0.99
0.93
0.76
0.57
0.35
0.15
0.06
0.03
0.01
0.01
0.01
0.01
0.02
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
85
86
89
92
95
97
99
100
99
100
99
98
97
97
97
98
97
98
98
100
100
98
91

Pressure (mb)

1015
1015
1015
1014
1014
1013
1012
1011
1010
1009
1009
1008
1009
1009
1009
1009
1010
1010
1010
1010
1011
1011
1012
1012

Ozone (du)

328
328
327
326
325
323
322
322
322
322
324
327
331
335
337
338
339
340
341
342
343
344
345
348

Wednesday 25

Waxing Gibbous 81%

14:46

04:45

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

Sun - Rise: 05:41, Set: 20:18, Transit: 13:01. Moon - Rise: 14:46, Set: 04:45. Civil Dark: 20:55 - 05:04. Nautical Dark: 21:44 - 04:15. Astro Dark: 22:42 - 03:16

Total Clouds (% Sky Obscured)

77
48
79
62
64
77
83
91
52
59
66
66
31
14
2
0
0
0
0
1
1
0
1
2

Low Clouds (% Sky Obscured)

76
46
75
52
56
26
31
31
28
33
23
17
24
13
2
0
0
0
0
1
1
0
1
2

Medium Clouds (% Sky Obscured)

2
6
20
27
20
71
78
88
38
44
54
60
16
2
1
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
1
2
11
36
22
31
35
42
4
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
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
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
4
7
10
13
16
18
17
14
12
10
9
7
5
5
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0.01
0.07
0.15
0.19
0.2
0.2
0.19
0.17
0.14
0.1
0.06
0.03
0.01
0.01
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
7
10
11
11
11
11
10
10
6
6
5
4
3
3
3
3
3
2
2
1
1
2
3

Dew Point (°C)

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

Relative Humidity (%)

86
82
79
76
75
76
77
78
78
77
78
81
84
86
85
83
81
80
81
82
84
85
84
80

Pressure (mb)

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

Ozone (du)

352
355
358
360
362
363
363
364
366
369
372
376
381
384
385
386
386
386
386
386
387
387
386
385

Thursday 26

Waxing Gibbous 89%

16:02

05:09

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

Sun - Rise: 05:39, Set: 20:20, Transit: 13:00. Moon - Rise: 16:02, Set: 05:09. Civil Dark: 20:57 - 05:01. Nautical Dark: 21:46 - 04:12. Astro Dark: 22:45 - 03:12

Total Clouds (% Sky Obscured)

58
59
42
81
77
62
91
89
80
73
52
63
73
48
98
100
100
98
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

58
59
30
29
25
38
57
47
55
37
23
23
1
0
0
1
0
4
82
48
19
9
89
89

Medium Clouds (% Sky Obscured)

0
1
33
38
44
54
91
89
78
63
24
10
2
5
31
79
89
75
99
99
100
100
100
100

High Clouds (% Sky Obscured)

0
0
2
68
59
0
0
0
1
31
38
52
73
46
98
99
100
97
98
100
99
100
99
99

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
9
8

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
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
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

Precipitation Probability (%)

0
0
4
6
7
8
8
8
8
8
7
7
5
0
0
0
0
9
12
15
18
21
23
26

Precipitation Amount (mm)

0
0
0.02
0.08
0.13
0.14
0.13
0.11
0.1
0.08
0.06
0.03
0.01
0
0
0
0
0.02
0.05
0.08
0.1
0.12
0.14
0.18

Wind Speed/Direction (mph)

17
18
18
19
19
19
18
18
16
15
13
12
10
9
8
8
7
7
6
5
5
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
5
6
10
10
11
10
10
10
7
7
6
4
3
2
2
1
0
0
1
2
3
3
4

Dew Point (°C)

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

Relative Humidity (%)

76
72
71
69
68
68
69
69
69
69
70
73
76
79
83
87
93
100
100
100
100
100
100
96

Pressure (mb)

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

Ozone (du)

384
383
382
381
379
377
374
371
368
366
364
362
361
359
359
358
358
358
359
360
363
367
370
374

Friday 27

Waxing Gibbous 95%

17:16

05:31

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:37, Set: 20:21, Transit: 13:00. Moon - Rise: 17:16, Set: 05:31. Civil Dark: 20:59 - 04:59. Nautical Dark: 21:48 - 04:10. Astro Dark: 22:48 - 03:09

Total Clouds (% Sky Obscured)

100
100
100
100
99
99
99
99
99
99
63
63
63
63
63
63
100
100
100
100
100
100
95
95

Low Clouds (% Sky Obscured)

89
89
89
89
2
2
2
2
2
2
43
43
43
43
43
43
100
100
100
100
100
100
95
95

Medium Clouds (% Sky Obscured)

100
100
100
100
98
98
98
98
98
98
53
53
53
53
53
53
66
66
66
66
66
66
25
25

High Clouds (% Sky Obscured)

99
99
99
99
94
94
94
94
94
94
3
3
3
3
3
3
1
1
1
1
1
1
0
0

ISS Passover

Visibility (miles)

6
4
6
8
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

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

Precipitation Probability (%)

28
28
26
23
20
17
13
10
8
5
1
1
6
7
7
0
0
6
8
8
9
10
11
11

Precipitation Amount (mm)

0.22
0.25
0.26
0.26
0.25
0.19
0.13
0.08
0.04
0.01
0.01
0.01
0.01
0.02
0.01
0
0
0.01
0.02
0.04
0.05
0.06
0.07
0.07

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
7
7
7
8
9
9
10
11
11
10
9
7
7
6
6
5
5
3
2
2
2
3
3

Dew Point (°C)

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

Relative Humidity (%)

91
87
84
82
80
77
74
72
71
71
72
76
79
82
84
86
87
91
95
97
97
97
95
93

Pressure (mb)

1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1012
1012
1012
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012

Ozone (du)

378
382
382
382
383
386
390
392
391
387
383
380
377
374
371
369
366
363
360
358
356
354
353
352

Saturday 28

Waxing Gibbous 99%

18:30

05:54

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:35, Set: 20:23, Transit: 13:00. Moon - Rise: 18:30, Set: 05:54. Civil Dark: 21:01 - 04:57. Nautical Dark: 21:51 - 04:07. Astro Dark: 22:52 - 03:05

Total Clouds (% Sky Obscured)

95
95
95
95
88
88
88
88
88
88
44
44
44
44
44
44
59
59
59
59
59
59
100
100

Low Clouds (% Sky Obscured)

95
95
95
95
87
87
87
87
87
87
34
34
34
34
34
34
59
59
59
59
59
59
15
15

Medium Clouds (% Sky Obscured)

25
25
25
25
22
22
22
22
22
22
31
31
31
31
31
31
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
3
3
3
3
3
3
0
0
0
0
0
0
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

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

Precipitation Probability (%)

11
11
12
12
13
14
16
18
18
19
19
19
17
16
15
15
16
18
19
20
21
23
26
29

Precipitation Amount (mm)

0.08
0.08
0.08
0.08
0.1
0.17
0.29
0.39
0.39
0.32
0.25
0.2
0.16
0.13
0.1
0.08
0.11
0.2
0.38
0.53
0.48
0.34
0.31
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
5
5
5
5
5
5
5
5
5
4
3
0
-1
-2
-1
-0
1
2
2
2
2
1
2

Dew Point (°C)

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

Relative Humidity (%)

91
90
89
88
88
89
90
88
87
86
88
93
100
100
100
100
100
100
98
97
98
100
100
100

Pressure (mb)

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

Ozone (du)

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

Sunday 29

Waxing Gibbous 100%

19:42

06:18

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:34, Set: 20:25, Transit: 13:00. Moon - Rise: 19:42, Set: 06:18. Civil Dark: 21:03 - 04:55. Nautical Dark: 21:53 - 04:04. Astro Dark: 22:55 - 03:01

Total Clouds (% Sky Obscured)

100
100
100
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)

15
15
15
15
56
56
56
56
56
56
97
97
97
97
97
97
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
73
73
73
73
73
73
98
98
98
98
98
98
100
100
100
100
100
100
95
95

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
99
99
99
0
0

ISS Passover

Visibility (miles)

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

Light Rain
Light Rain
Light Rain
Light Rain
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
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 (%)

33
36
37
37
36
35
33
32
30
28
26
23
20
18
16
15
13
13
13
12
11
10
0
0

Precipitation Amount (mm)

0.92
1.37
1.66
1.84
1.89
1.8
1.62
1.35
0.93
0.58
0.42
0.27
0.12
0.06
0.05
0.08
0.1
0.11
0.11
0.1
0.05
0.01
0
0

Wind Speed/Direction (mph)

17
17
17
17
16
15
12
11
12
14
16
16
15
14
13
12
11
9
8
7
4
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
3
3
4
4
5
6
6
6
5
5
4
4
4
4
3
3
2
2
2
0
1
3

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
100
100
100
100
100
95
92
91
91
91
90
87
87
87
91
95
99
100
99
94

Pressure (mb)

1004
1003
1003
1002
1002
1002
1001
1001
1002
1002
1003
1003
1004
1005
1005
1006
1006
1007
1007
1007
1008
1008
1009
1009

Ozone (du)

345
344
345
347
348
349
350
351
355
360
365
369
372
375
378
380
382
382
382
381
381
381
382
381

Monday 30

Full Moon 99%

20:52

06:45

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:32, Set: 20:26, Transit: 13:00. Moon - Rise: 20:52, Set: 06:45. Civil Dark: 21:05 - 04:53. Nautical Dark: 21:55 - 04:02. Astro Dark: 22:59 - 02:58

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
95
95
95
95
95
95
91
91
91
91
91
91
74
74

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
78
78
78
78
78
78
27
27
27
27
27
27
1
1

Medium Clouds (% Sky Obscured)

95
95
95
95
57
57
57
57
57
57
94
94
94
94
94
94
88
88
88
88
88
88
74
74

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
29
29
29
29
29
29
34
34
34
34
34
34
0
0

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
Very Light Rain
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

Precipitation Probability (%)

8
8
8
9
9
9
10
11
11
11
10
9
8
0
0
0
0
0
0
0
0
8
8
8

Precipitation Amount (mm)

0.01
0.02
0.02
0.03
0.04
0.06
0.09
0.11
0.11
0.1
0.07
0.03
0.01
0
0
0
0
0
0
0
0
0.01
0.01
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
87
83
80
79
81
84
85
83
80
79
79
79
79
80
81
81
81
80
81
82
84
86
87

Pressure (mb)

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

Ozone (du)

381
381
381
382
382
383
385
385
385
385
384
384
383
383
383
382
382
384
385
387
388
388
388
387

Forecast for Crownhill, Milton Keynes, UK (52.03,-0.81)

Generated: 24/04/18 09:52:11. Forecast: 24/04/18 to 30/04/18. Timezone: UTC+1.00