Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waning Gibbous 95%

22:53

07:22

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 OK
05 Bad
06 Good
07 Good
08 Good
09 Good
10 OK
11 Bad
12 Bad

Sun - Rise: 05:20, Set: 21:04, Transit: 13:13. Moon - Rise: 22:53, Set: 07:22. Civil Dark: 21:45 - 04:39. Nautical Dark: 22:41 - 03:42. Astro Dark: 00:05 - 02:15

Total Clouds (% Sky Obscured)

49
58
64
82
77
85
85
59
78
93
95
90
83
82
66
45
56
12
0
0
0
28
89
95

Low Clouds (% Sky Obscured)

48
49
38
74
52
31
7
5
4
3
1
0
0
0
0
0
0
0
0
0
0
5
9
63

Medium Clouds (% Sky Obscured)

30
47
62
60
58
49
63
58
42
0
0
2
19
60
64
0
46
0
0
0
0
0
0
6

High Clouds (% Sky Obscured)

0
0
0
0
34
71
64
2
63
93
95
90
82
80
9
45
27
12
0
0
0
25
88
86

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

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 (%)

8
8
8
7
6
3
3
2
1
1
0
0
0
0
0
1
1
2
2
2
0
0
2
3

Precipitation Amount (mm)

0.17
0.09
0.13
0.17
0.1
0.04
0.02
0.01
0.01
0.01
0
0
0
0
0
0.01
0.01
0.01
0.01
0.01
0
0
0.01
0.01

Wind Speed/Direction (mph)

4
3
7
8
9
10
11
11
10
10
10
10
10
10
10
10
9
9
8
7
6
6
5
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
56
56
57
58
58
60
62
67
71
74
77
80
82
82
83
84
84
82
76
68
63
59
56

Pressure (mb)

1015
1015
1015
1015
1016
1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1020
1020
1020
1020

Ozone (du)

359
357
356
355
354
353
353
352
353
353
352
352
352
352
353
354
356
359
359
357
353
349
346
344

Tuesday 21

Waning Gibbous 89%

23:52

08:11

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

Sun - Rise: 05:19, Set: 21:05, Transit: 13:13. Moon - Rise: 23:52, Set: 08:11. Civil Dark: 21:46 - 04:38. Nautical Dark: 22:43 - 03:41. Astro Dark: 00:10 - 02:11

Total Clouds (% Sky Obscured)

91
95
85
51
52
45
48
33
15
17
50
52
84
91
88
68
63
45
23
23
27
41
45
60

Low Clouds (% Sky Obscured)

4
2
1
3
25
0
0
0
0
0
2
2
4
12
13
8
2
1
0
0
0
0
1
41

Medium Clouds (% Sky Obscured)

11
64
33
7
12
5
30
20
6
9
8
16
67
72
66
21
12
29
20
4
6
3
1
0

High Clouds (% Sky Obscured)

89
88
78
46
35
44
44
27
13
13
47
50
81
82
77
63
59
39
16
22
23
38
44
35

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
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 (%)

3
2
2
2
2
2
1
0
0
0
0
1
1
1
1
2
2
2
2
2
2
2
2
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
3
6
7
6
8
8
8
8
8
8
8
7
7
7
6
6
5
4
4
3
2
3
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
19
19
19
19
18
18
17
15
13
12
11
10
8
8
7
7
8
9
12
14
16
17
18

Dew Point (°C)

9
9
9
9
9
9
9
9
8
8
8
8
7
7
7
7
7
7
7
8
8
8
8
8

Relative Humidity (%)

54
53
53
53
54
55
56
60
65
71
75
78
82
85
86
87
88
88
84
76
66
59
55
52

Pressure (mb)

1020
1020
1020
1020
1020
1020
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

343
342
342
342
341
341
340
338
337
335
334
333
331
331
330
330
330
330
330
331
333
335
336
337

Wednesday 22

Waning Gibbous 81%

00:43

09:06

13 Bad
14 OK
15 Bad
16 OK
17 OK
18 Bad
19 OK
20 OK
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: 05:18, Set: 21:06, Transit: 13:13. Moon - Rise: 00:43, Set: 09:06. Civil Dark: 21:48 - 04:36. Nautical Dark: 22:45 - 03:39. Astro Dark: 00:15 - 02:06

Total Clouds (% Sky Obscured)

75
48
83
40
35
55
37
31
66
79
100
100
100
100
98
93
91
92
98
98
98
98
98
98

Low Clouds (% Sky Obscured)

66
13
18
7
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

10
6
56
9
3
11
8
8
13
24
2
2
1
27
84
88
71
69
73
73
73
73
73
73

High Clouds (% Sky Obscured)

24
44
63
33
34
53
35
27
64
77
100
100
100
100
98
78
85
86
95
95
95
95
95
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
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
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
8
8
8
8
7
7
7
7
7
7
7
7
7
7
8
8
9
9
9
9
9
9

Relative Humidity (%)

50
48
47
48
49
50
52
56
64
68
71
74
76
78
79
79
79
79
77
71
64
60
59
59

Pressure (mb)

1022
1021
1021
1021
1021
1020
1020
1020
1021
1021
1021
1020
1020
1020
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

337
336
334
333
332
332
333
332
331
332
335
340
344
343
341
339
337
336
336
337
340
342
343
343

Thursday 23

Waning Gibbous 73%

01:24

10:07

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: 05:17, Set: 21:08, Transit: 13:13. Moon - Rise: 01:24, Set: 10:07. Civil Dark: 21:49 - 04:35. Nautical Dark: 22:47 - 03:37. Astro Dark: 00:20 - 02:00

Total Clouds (% Sky Obscured)

99
99
99
99
99
99
67
67
67
67
67
67
54
54
54
54
54
54
88
88
88
88
88
88

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
1
1
1
1
52
52
52
52
52
52
79
79
79
79
79
79

Medium Clouds (% Sky Obscured)

99
99
99
99
99
99
67
67
67
67
67
67
4
4
4
4
4
4
1
1
1
1
1
1

High Clouds (% Sky Obscured)

78
78
78
78
78
78
0
0
0
0
0
0
0
0
0
0
0
0
41
41
41
41
41
41

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
8
6
5
4
5
8
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

3
2
2
3
3
6
11
1
2
2
2
2
4
9
17
26
41
54
49
30
23
21
16
9

Precipitation Amount (mm)

0.04
0.02
0.01
0.01
0.02
0.09
0.19
0.01
0.01
0.02
0.01
0.01
0.02
0.05
0.14
0.24
0.34
0.44
0.46
0.4
0.43
0.53
0.54
0.45

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
10
10
10
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11

Relative Humidity (%)

58
56
54
54
57
61
66
68
74
78
81
83
85
86
86
86
85
83
81
79
77
75
74
71

Pressure (mb)

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

Ozone (du)

344
345
347
348
346
343
341
340
340
340
338
337
336
336
337
338
338
338
338
338
339
339
339
339

Friday 24

Waning Gibbous 64%

01:57

11:10

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: 05:16, Set: 21:09, Transit: 13:13. Moon - Rise: 01:57, Set: 11:10. Civil Dark: 21:51 - 04:34. Nautical Dark: 22:49 - 03:35. Astro Dark: 00:26 - 01:55

Total Clouds (% Sky Obscured)

99
99
99
99
99
99
100
100
100
100
100
100
98
98
98
98
98
98
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

7
7
7
7
7
7
58
58
58
58
58
58
90
90
90
90
90
90
96
96
96
96
96
96

Medium Clouds (% Sky Obscured)

89
89
89
89
89
89
100
100
100
100
100
100
0
0
0
0
0
0
97
97
97
97
97
97

High Clouds (% Sky Obscured)

96
96
96
96
96
96
0
0
0
0
0
0
77
77
77
77
77
77
42
42
42
42
42
42

ISS Passover

Visibility (miles)

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

Precipitation Type

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
None

Precipitation Probability (%)

8
6
4
2
2
1
1
0
0
0
0
0
3
3
3
2
2
2
2
0
0
0
0
0

Precipitation Amount (mm)

0.35
0.21
0.09
0.03
0.02
0.01
0.01
0
0
0
0
0
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0
0
0
0
0

Wind Speed/Direction (mph)

14
8
15
15
16
15
15
13
12
10
9
9
9
8
8
8
8
9
9
10
10
11
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
11
11
11
11
11
11
11
11
11
12
12
12
11
11
11
11
12
12
12
12
12
12

Relative Humidity (%)

69
66
64
62
62
63
65
69
74
78
81
83
85
86
87
88
88
87
84
77
69
65
63
61

Pressure (mb)

1015
1015
1015
1015
1015
1016
1016
1016
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1019
1019
1020
1020
1020
1020

Ozone (du)

338
336
334
332
330
328
326
323
319
315
312
310
307
306
305
304
302
300
299
298
297
297
296
296

Saturday 25

Waning Gibbous 54%

02:25

12:14

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: 05:15, Set: 21:10, Transit: 13:13. Moon - Rise: 02:25, Set: 12:14. Civil Dark: 21:52 - 04:33. Nautical Dark: 22:51 - 03:33. Astro Dark: 00:31 - 01:48

Total Clouds (% Sky Obscured)

73
73
73
73
73
73
99
99
99
99
99
99
100
100
100
100
100
100
98
98
98
98
98
98

Low Clouds (% Sky Obscured)

73
73
73
73
73
73
63
63
63
63
63
63
100
100
100
100
100
100
85
85
85
85
85
85

Medium Clouds (% Sky Obscured)

2
2
2
2
2
2
13
13
13
13
13
13
80
80
80
80
80
80
92
92
92
92
92
92

High Clouds (% Sky Obscured)

0
0
0
0
0
0
98
98
98
98
98
98
79
79
79
79
79
79
93
93
93
93
93
93

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

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

Precipitation Amount (mm)

0
0
0
0.01
0
0
0
0
0.01
0.02
0.02
0.02
0.02
0.04
0.06
0.07
0.06
0.04
0.03
0.02
0.02
0.02
0.02
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
12
12
12
12
11
11
11
11
11
11
11
11
11
11
12
12
12
12
13
13

Relative Humidity (%)

59
57
56
56
57
59
61
64
69
74
79
83
86
88
88
88
87
86
84
79
75
72
70
68

Pressure (mb)

1021
1021
1021
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

296
296
295
295
296
297
298
298
297
297
296
296
296
296
296
295
294
294
293
294
294
295
295
296

Sunday 26

Third Quarter 44%

02:48

No Set

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: 05:14, Set: 21:11, Transit: 13:13. Moon - Rise: 02:48, Set: No Set. Civil Dark: 21:54 - 04:31. Nautical Dark: 22:53 - 03:32. Astro Dark: 00:38 - 01:40

Total Clouds (% Sky Obscured)

96
96
96
96
96
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

20
20
20
20
20
20
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

92
92
92
92
92
92
94
94
94
94
94
94
66
66
66
66
66
66
95
95
95
95
95
95

High Clouds (% Sky Obscured)

52
52
52
52
52
52
78
78
78
78
78
78
0
0
0
0
0
0
92
92
92
92
92
92

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Light Rain

Precipitation Probability (%)

2
2
1
1
2
2
3
3
4
4
4
4
4
5
7
8
9
12
19
25
29
32
35
40

Precipitation Amount (mm)

0.02
0.01
0.01
0.01
0.01
0.02
0.03
0.03
0.03
0.03
0.03
0.03
0.04
0.05
0.07
0.09
0.09
0.08
0.09
0.12
0.18
0.27
0.38
0.53

Wind Speed/Direction (mph)

13
8
9
16
15
15
15
14
13
13
12
12
12
12
12
12
12
12
12
12
12
12
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
13
13
13
13
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
11
11

Relative Humidity (%)

66
64
61
60
61
64
67
69
72
75
78
80
82
84
85
85
84
82
81
78
76
74
72
69

Pressure (mb)

1020
1020
1020
1019
1019
1019
1018
1018
1018
1018
1017
1017
1017
1016
1016
1015
1015
1015
1014
1014
1015
1015
1015
1014

Ozone (du)

297
298
299
299
299
299
300
302
305
308
309
309
310
311
313
315
315
314
314
312
311
309
309
309

Forecast for Plymouth, Plymouth, UK (50.38,-4.14)

Generated: 20/05/19 13:57:39. Forecast: 20/05/19 to 26/05/19. Timezone: UTC+1.00