Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waning Gibbous 95%

22:44

07:05

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

Sun - Rise: 05:04, Set: 20:55, Transit: 13:01. Moon - Rise: 22:44, Set: 07:05. Civil Dark: 21:38 - 04:22. Nautical Dark: 22:36 - 03:22. Astro Dark: 00:15 - 01:38

Total Clouds (% Sky Obscured)

38
41
45
66
70
45
42
38
31
20
18
9
2
0
35
15
20
52
44
55
53
37
54
59

Low Clouds (% Sky Obscured)

13
19
21
31
17
20
27
23
16
1
0
0
0
0
0
0
0
0
0
0
2
7
20
54

Medium Clouds (% Sky Obscured)

36
39
38
46
59
40
37
38
30
20
18
9
2
0
1
2
1
0
1
15
23
12
0
0

High Clouds (% Sky Obscured)

1
2
10
48
52
1
0
0
0
0
0
0
0
0
35
13
20
52
44
53
51
31
42
11

ISS Passover

Visibility (miles)

7
5
4
4
5
5
6
7
8
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

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
None
None
None
None
None

Precipitation Probability (%)

26
19
17
19
22
23
20
12
7
3
2
0
0
0
1
1
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.24
0.11
0.27
0.27
0.27
0.25
0.21
0.16
0.11
0.05
0.01
0
0
0
0.01
0.01
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
19
19
19
19
18
17
15
14
13
12
11
10
9
9
8
8
9
11
13
15
16
17
17

Feels Like (°C)

18
19
19
19
19
18
17
15
14
13
12
11
10
7
6
6
6
7
11
13
15
16
17
17

Dew Point (°C)

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

Relative Humidity (%)

55
52
56
59
60
63
66
70
74
76
77
77
76
75
74
76
78
79
76
72
68
64
60
58

Pressure (mb)

1013
1013
1013
1013
1013
1014
1014
1015
1015
1015
1015
1016
1016
1016
1016
1017
1017
1017
1018
1018
1019
1019
1019
1019

Ozone (du)

358
359
360
358
356
354
352
350
348
347
346
345
344
344
343
344
344
344
345
345
346
348
351
352

Tuesday 21

Waning Gibbous 89%

23:44

07:54

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

Sun - Rise: 05:03, Set: 20:57, Transit: 13:01. Moon - Rise: 23:44, Set: 07:54. Civil Dark: 21:39 - 04:20. Nautical Dark: 22:39 - 03:20. Astro Dark: 00:23 - 01:30

Total Clouds (% Sky Obscured)

48
81
77
100
82
33
38
49
60
78
69
64
62
76
68
49
23
9
2
12
21
39
73
95

Low Clouds (% Sky Obscured)

17
4
12
38
36
2
5
19
17
14
33
20
24
26
31
34
22
9
1
0
0
0
42
3

Medium Clouds (% Sky Obscured)

46
81
77
100
81
33
38
48
57
75
59
57
52
73
62
30
2
0
0
0
0
0
54
90

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
9
23
16
11
2
0
0
0
0
0
11
20
39
38
64

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
53
52
51
51
53
57
63
69
74
79
82
82
79
77
73
69
65
61
56
53
53
52
53

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

349
344
340
338
336
334
332
331
330
330
329
329
330
330
331
331
331
331
331
331
331
331
332
332

Wednesday 22

Waning Gibbous 82%

00:34

08:50

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
13 Bad

Sun - Rise: 05:02, Set: 20:58, Transit: 13:01. Moon - Rise: 00:34, Set: 08:50. Civil Dark: 21:41 - 04:19. Nautical Dark: 22:41 - 03:18. Astro Dark: 00:31 - 01:17

Total Clouds (% Sky Obscured)

94
88
91
89
93
79
56
48
27
34
29
32
62
73
69
78
98
99
99
99
99
99
99
99

Low Clouds (% Sky Obscured)

45
5
9
9
6
9
13
24
13
10
6
4
2
0
0
0
0
0
0
0
0
0
0
81

Medium Clouds (% Sky Obscured)

94
88
91
84
91
79
56
44
25
30
27
31
62
72
64
56
84
96
96
96
96
96
96
93

High Clouds (% Sky Obscured)

42
14
2
34
26
1
0
0
0
0
0
1
1
2
20
65
92
94
94
94
94
94
94
97

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 (%)

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

Precipitation Amount (mm)

0.06
0.08
0.1
0.1
0.08
0.07
0.05
0.03
0.02
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
20
20
19
19
19
17
15
13
12
11
10
10
9
9
9
10
11
13
15
17
18
19
20

Feels Like (°C)

20
20
20
19
19
19
17
15
13
12
11
10
9
9
8
9
9
11
13
15
17
18
19
20

Dew Point (°C)

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

Relative Humidity (%)

52
52
53
54
53
54
56
60
65
69
72
75
78
81
84
84
84
80
72
62
55
51
49
48

Pressure (mb)

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

Ozone (du)

334
335
336
334
332
330
331
334
335
335
333
332
331
331
331
333
336
338
337
336
336
337
340
342

Thursday 23

Waning Gibbous 73%

01:15

09:50

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
13 Bad

Sun - Rise: 05:01, Set: 20:59, Transit: 13:01. Moon - Rise: 01:15, Set: 09:50. Civil Dark: 21:42 - 04:18. Nautical Dark: 22:43 - 03:16. Astro Dark: 00:44 - N/A

Total Clouds (% Sky Obscured)

99
99
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
63
63
63
63
63
63
100

Low Clouds (% Sky Obscured)

81
81
81
81
81
1
1
1
1
1
1
50
50
50
50
50
50
58
58
58
58
58
58
87

Medium Clouds (% Sky Obscured)

93
93
93
93
93
100
100
100
100
100
100
100
100
100
100
100
100
31
31
31
31
31
31
71

High Clouds (% Sky Obscured)

97
97
97
97
97
98
98
98
98
98
98
1
1
1
1
1
1
0
0
0
0
0
0
100

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
8
5
4
4
5
5
5
5
6

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

Precipitation Probability (%)

0
0
1
0
0
0
0
0
0
0
0
0
1
2
7
21
46
54
58
57
48
40
31
27

Precipitation Amount (mm)

0
0
0.01
0
0
0
0
0
0
0
0
0
0.01
0.05
0.12
0.24
0.4
0.51
0.46
0.35
0.3
0.38
0.54
0.62

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

48
49
50
51
53
53
54
56
59
63
68
73
79
86
90
93
93
91
87
82
77
75
74
72

Pressure (mb)

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

Ozone (du)

342
342
342
343
345
347
348
349
350
349
348
347
345
344
343
345
347
350
355
361
366
370
374
375

Friday 24

Waning Gibbous 64%

01:48

10:54

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 Good
08 Good
09 Good
10 Good
11 Good
12 Good
13 Bad

Sun - Rise: 05:00, Set: 21:01, Transit: 13:01. Moon - Rise: 01:48, Set: 10:54. Civil Dark: 21:44 - 04:16. Nautical Dark: 22:45 - 03:15. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
8
8
8
8
8
8
8
8
8
8
8
8
100

Low Clouds (% Sky Obscured)

87
87
87
87
87
0
0
0
0
0
0
8
8
8
8
8
8
0
0
0
0
0
0
100

Medium Clouds (% Sky Obscured)

71
71
71
71
71
100
100
100
100
100
100
0
0
0
0
0
0
0
0
0
0
0
0
16

High Clouds (% Sky Obscured)

100
100
100
100
100
99
99
99
99
99
99
0
0
0
0
0
0
7
7
7
7
7
7
29

ISS Passover

Visibility (miles)

8
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

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
None
None

Precipitation Probability (%)

19
10
6
5
4
3
1
1
0
0
0
2
2
0
0
0
2
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.47
0.26
0.13
0.1
0.09
0.07
0.03
0.01
0
0
0
0.01
0.01
0
0
0
0.01
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
18
19
19
18
17
17
15
14
13
12
11
11
10
10
10
11
12
13
15
16
17
18
19

Feels Like (°C)

17
18
19
19
18
17
17
15
14
13
12
11
11
10
10
10
11
12
13
15
16
17
18
19

Dew Point (°C)

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

Relative Humidity (%)

68
64
62
62
64
66
68
71
74
77
79
82
83
85
86
86
85
83
79
73
68
66
64
62

Pressure (mb)

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

Ozone (du)

373
367
362
358
354
351
350
349
348
344
339
334
332
329
327
324
321
318
316
314
313
312
311
309

Saturday 25

Waning Gibbous 54%

02:15

11:59

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
13 Bad

Sun - Rise: 04:59, Set: 21:02, Transit: 13:01. Moon - Rise: 02:15, Set: 11:59. Civil Dark: 21:45 - 04:15. Nautical Dark: 22:47 - 03:13. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
80
80
80
80
80
80
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
56
56
56
56
56
56
99
99
99
99
99
99
100
100
100
100
100
100
98

Medium Clouds (% Sky Obscured)

16
16
16
16
16
4
4
4
4
4
4
36
36
36
36
36
36
69
69
69
69
69
69
0

High Clouds (% Sky Obscured)

29
29
29
29
29
57
57
57
57
57
57
48
48
48
48
48
48
97
97
97
97
97
97
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
5
11
16
15
13
9
5
3
2

Precipitation Amount (mm)

0
0
0.01
0.01
0.02
0.03
0.03
0.02
0.02
0.01
0
0
0
0
0
0.02
0.08
0.14
0.14
0.09
0.06
0.05
0.04
0.03

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
55
54
55
58
61
63
69
73
76
79
81
83
85
88
90
91
91
87
81
76
73
72
69

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017

Ozone (du)

306
303
300
298
297
295
295
295
295
294
293
292
292
292
293
294
295
295
296
297
298
299
300
301

Sunday 26

Third Quarter 45%

02:38

13:05

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
13 Bad

Sun - Rise: 04:58, Set: 21:03, Transit: 13:01. Moon - Rise: 02:38, Set: 13:05. Civil Dark: 21:47 - 04:14. Nautical Dark: 22:49 - 03:11. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
90
90
90
90
90
90
100
100
100
100
100
100
100
100
100
100
100
100
97

Low Clouds (% Sky Obscured)

98
98
98
98
98
20
20
20
20
20
20
100
100
100
100
100
100
100
100
100
100
100
100
92

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
81
81
81
81
81
81
77
77
77
77
77
77
20

High Clouds (% Sky Obscured)

91
91
91
91
91
88
88
88
88
88
88
93
93
93
93
93
93
87
87
87
87
87
87
87

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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

2
1
2
2
3
3
4
4
3
2
2
2
2
2
3
3
1
1
1
0
0
3
7
10

Precipitation Amount (mm)

0.03
0.03
0.03
0.02
0.01
0.02
0.03
0.08
0.1
0.07
0.03
0.02
0.01
0.01
0.02
0.02
0.02
0.01
0.01
0
0
0.01
0.06
0.1

Wind Speed/Direction (mph)

13
14
15
3
5
14
11
10
10
10
11
11
11
11
11
11
11
11
12
12
12
11
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
63
61
61
63
64
66
69
73
75
76
78
80
82
85
86
86
85
82
80
78
78
76
73

Pressure (mb)

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

Ozone (du)

301
301
301
301
300
301
303
306
309
311
314
316
316
315
314
314
314
313
313
312
311
310
309
309

Forecast for Cliddesden, Hampshire, UK (51.24,-1.10)

Generated: 20/05/19 14:08:37. Forecast: 20/05/19 to 26/05/19. Timezone: UTC+1.00