Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waning Gibbous 95%

22:47

07:00

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

Sun - Rise: 04:59, Set: 20:57, Transit: 12:59. Moon - Rise: 22:47, Set: 07:00. Civil Dark: 21:41 - 04:16. Nautical Dark: 22:43 - 03:13. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

52
59
63
46
74
45
26
31
27
23
17
3
1
2
0
0
0
1
5
13
34
90
90
83

Low Clouds (% Sky Obscured)

35
28
27
9
69
38
13
14
13
11
9
3
1
2
0
0
0
0
0
9
17
67
70
77

Medium Clouds (% Sky Obscured)

27
45
49
45
48
27
24
29
26
23
16
0
0
0
0
0
0
0
0
0
0
5
12
2

High Clouds (% Sky Obscured)

20
20
22
3
2
0
0
0
0
0
0
0
0
0
0
0
0
1
5
5
22
74
67
28

ISS Passover

Visibility (miles)

6
8
10
10
10
6
3
6
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
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
None

Precipitation Probability (%)

5
5
3
3
6
15
19
15
4
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.06
0
0.02
0.02
0.04
0.11
0.16
0.12
0.06
0.02
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
21
21
21
21
20
19
18
16
15
14
12
11
10
10
9
9
9
10
11
14
16
17
19

Feels Like (°C)

20
21
21
21
21
20
19
18
16
15
14
12
11
10
8
7
7
7
8
11
14
16
17
19

Dew Point (°C)

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

Relative Humidity (%)

51
49
50
50
51
53
56
58
61
62
63
65
66
68
71
74
77
81
82
78
70
64
59
55

Pressure (mb)

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

Ozone (du)

358
359
361
361
362
361
360
358
356
353
351
349
347
345
344
342
342
341
341
341
340
341
344
349

Tuesday 21

Waning Gibbous 89%

23:47

07:48

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

Sun - Rise: 04:58, Set: 20:59, Transit: 12:59. Moon - Rise: 23:47, Set: 07:48. Civil Dark: 21:43 - 04:14. Nautical Dark: 22:45 - 03:11. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

94
99
92
92
71
56
41
26
11
16
39
29
29
36
37
10
51
75
56
83
55
31
23
59

Low Clouds (% Sky Obscured)

92
99
86
65
23
14
0
1
3
15
39
28
28
14
8
2
6
6
15
54
16
25
23
56

Medium Clouds (% Sky Obscured)

19
99
90
92
70
56
41
26
10
6
3
6
8
34
37
10
51
75
53
79
52
19
8
39

High Clouds (% Sky Obscured)

20
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

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
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.01
0.01
0.02
0.02
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
20
20
21
21
21
20
18
16
14
13
12
11
10
10
9
9
9
10
12
14
17
18
19

Feels Like (°C)

19
20
20
21
21
21
20
18
16
14
13
12
11
10
8
8
8
9
10
12
14
17
18
19

Dew Point (°C)

9
9
9
9
9
9
8
7
5
4
2
1
0
0
-0
0
1
2
3
4
5
6
7
7

Relative Humidity (%)

52
50
47
46
45
46
47
48
49
50
50
49
48
49
51
54
57
59
60
58
54
49
47
45

Pressure (mb)

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

Ozone (du)

351
349
346
342
340
338
336
335
334
334
333
333
333
333
333
334
333
332
332
331
331
330
330
330

Wednesday 22

Waning Gibbous 82%

00:37

08:44

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

Sun - Rise: 04:57, Set: 21:00, Transit: 12:59. Moon - Rise: 00:37, Set: 08:44. Civil Dark: 21:44 - 04:13. Nautical Dark: 22:48 - 03:09. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

77
81
84
62
70
79
73
52
45
38
28
39
45
52
70
67
67
85
93
93
93
93
93
93

Low Clouds (% Sky Obscured)

28
21
31
6
16
61
54
9
27
23
10
6
1
3
4
0
0
8
3
3
3
3
3
3

Medium Clouds (% Sky Obscured)

77
80
84
62
68
73
66
31
41
32
24
36
44
48
63
65
64
80
87
87
87
87
87
87

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
32
3
2
2
6
16
32
55
37
41
79
91
91
91
91
91
91

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

Precipitation Amount (mm)

0
0.01
0.03
0.06
0.09
0.1
0.09
0.05
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
20
21
22
22
22
22
20
17
15
14
13
12
12
11
11
11
11
12
14
16
19
20
22

Feels Like (°C)

20
20
21
22
22
22
22
20
17
15
14
13
12
12
11
11
11
11
12
14
16
19
20
22

Dew Point (°C)

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

Relative Humidity (%)

44
43
42
41
40
40
41
44
48
51
52
54
55
58
61
64
65
66
64
60
55
50
45
41

Pressure (mb)

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

Ozone (du)

331
332
334
334
333
331
330
331
334
336
335
333
332
331
331
332
335
339
342
342
340
339
339
340

Thursday 23

Waning Gibbous 73%

01:18

09:45

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 OK
09 OK
10 Good
11 OK
12 OK

Sun - Rise: 04:56, Set: 21:02, Transit: 12:59. Moon - Rise: 01:18, Set: 09:45. Civil Dark: 21:46 - 04:11. Nautical Dark: 22:50 - 03:07. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
99
99
99
99
99
66
66
66
66
66
66
97
97
97
97
97
97
2
2
2
2
2
2

Low Clouds (% Sky Obscured)

13
13
13
13
13
13
0
0
0
0
0
0
6
6
6
6
6
6
2
2
2
2
2
2

Medium Clouds (% Sky Obscured)

94
94
94
94
94
94
66
66
66
66
66
66
97
97
97
97
97
97
0
0
0
0
0
0

High Clouds (% Sky Obscured)

98
98
98
98
98
98
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

None
None
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

Precipitation Probability (%)

0
0
0
0
0
2
3
3
2
2
2
2
2
0
0
0
6
28
48
43
21
12
17
24

Precipitation Amount (mm)

0
0
0
0
0
0.02
0.04
0.04
0.02
0.01
0.01
0.01
0.01
0
0
0
0.03
0.14
0.25
0.19
0.08
0.04
0.1
0.25

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

38
38
40
42
45
46
47
48
50
52
54
56
60
68
76
82
86
86
84
80
76
71
66
63

Pressure (mb)

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

Ozone (du)

341
342
343
343
344
344
344
346
348
350
352
355
357
357
356
356
358
361
364
365
365
364
363
360

Friday 24

Waning Gibbous 64%

01:50

10:50

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 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 04:55, Set: 21:03, Transit: 13:00. Moon - Rise: 01:50, Set: 10:50. Civil Dark: 21:48 - 04:10. Nautical Dark: 22:52 - 03:04. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
99
99
99
99
99
63
63
63
63
63
63
9
9
9
9
9
9
81
81
81
81
81
81

Low Clouds (% Sky Obscured)

66
66
66
66
66
66
17
17
17
17
17
17
9
9
9
9
9
9
7
7
7
7
7
7

Medium Clouds (% Sky Obscured)

81
81
81
81
81
81
60
60
60
60
60
60
0
0
0
0
0
0
59
59
59
59
59
59

High Clouds (% Sky Obscured)

92
92
92
92
92
92
0
0
0
0
0
0
0
0
0
0
0
0
63
63
63
63
63
63

ISS Passover

Visibility (miles)

10
9
9
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
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

22
19
18
14
9
4
2
1
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0

Precipitation Amount (mm)

0.38
0.37
0.27
0.2
0.14
0.09
0.05
0.02
0
0
0
0
0
0
0
0
0
0.01
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
21
21
21
21
20
19
18
17
16
15
14
13
12
11
11
11
11
12
13
15
17
18
19

Feels Like (°C)

20
21
21
21
21
20
19
18
17
16
15
14
13
12
11
11
11
11
12
13
15
17
18
19

Dew Point (°C)

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

Relative Humidity (%)

58
55
52
52
53
55
55
56
57
59
63
68
72
75
78
80
82
82
80
74
67
62
59
57

Pressure (mb)

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

Ozone (du)

357
355
352
350
350
351
351
351
352
351
348
344
341
339
337
335
333
331
329
326
323
321
319
318

Saturday 25

Waning Gibbous 54%

02:16

11:55

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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 04:53, Set: 21:04, Transit: 13:00. Moon - Rise: 02:16, Set: 11:55. Civil Dark: 21:49 - 04:08. Nautical Dark: 22:55 - 03:02. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
97
97
97
97
97
97
100
100
100
100
100
100
75
75
75
75
75
75

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
55
55
55
55
55
55
100
100
100
100
100
100
63
63
63
63
63
63

Medium Clouds (% Sky Obscured)

57
57
57
57
57
57
95
95
95
95
95
95
90
90
90
90
90
90
0
0
0
0
0
0

High Clouds (% Sky Obscured)

26
26
26
26
26
26
0
0
0
0
0
0
52
52
52
52
52
52
34
34
34
34
34
34

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

Precipitation Probability (%)

0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
3
7
12
12
11
8
5
4

Precipitation Amount (mm)

0
0
0
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.05
0.09
0.09
0.07
0.05
0.06
0.07

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

54
51
49
47
49
50
53
56
60
64
68
71
74
77
79
81
83
83
83
80
75
71
69
67

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1016
1016

Ozone (du)

316
314
312
310
307
303
301
300
299
299
297
296
295
294
295
295
296
297
298
300
302
303
303
303

Sunday 26

Third Quarter 45%

02:38

13:02

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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 04:52, Set: 21:06, Transit: 13:00. Moon - Rise: 02:38, Set: 13:02. Civil Dark: 21:51 - 04:07. Nautical Dark: 22:57 - 03:00. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

71
71
71
71
71
71
92
92
92
92
92
92
98
98
98
98
98
98
97
97
97
97
97
97

Low Clouds (% Sky Obscured)

66
66
66
66
66
66
23
23
23
23
23
23
30
30
30
30
30
30
96
96
96
96
96
96

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
88
88
88
88
88
88
55
55
55
55
55
55

High Clouds (% Sky Obscured)

12
12
12
12
12
12
90
90
90
90
90
90
82
82
82
82
82
82
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
9
8
8
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
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
None
Very Light Rain

Precipitation Probability (%)

3
3
3
5
6
9
9
9
7
7
8
6
3
3
3
2
2
2
3
2
2
3
5
18

Precipitation Amount (mm)

0.09
0.1
0.12
0.12
0.1
0.07
0.07
0.12
0.23
0.29
0.19
0.06
0.02
0.01
0.02
0.02
0.01
0.01
0.02
0.01
0.02
0.03
0.08
0.26

Wind Speed/Direction (mph)

12
12
12
13
13
13
14
13
12
13
12
12
12
12
12
12
13
13
13
12
11
12
12
12

Chance of Frost

Temperature (°C)

21
22
23
23
23
22
22
21
19
18
17
16
16
15
15
15
14
15
15
16
18
18
18
17

Feels Like (°C)

21
22
23
23
23
22
22
21
19
18
17
16
16
15
15
15
14
15
15
16
18
18
18
17

Dew Point (°C)

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

Relative Humidity (%)

65
62
61
60
60
60
60
60
62
65
70
75
79
81
83
84
85
83
81
76
72
70
72
76

Pressure (mb)

1016
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1011
1011
1011

Ozone (du)

303
303
303
303
303
303
304
309
315
320
321
322
321
321
321
320
320
320
320
320
319
318
316
314

Forecast for Milton Keynes, Milton Keynes, UK (52.04,-0.76)

Generated: 20/05/19 13:34:07. Forecast: 20/05/19 to 26/05/19. Timezone: UTC+1.00