Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 18

Waning Crescent 14%

03:16

18:13

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

Sun - Rise: 06:12, Set: 20:32, Transit: 13:21. Moon - Rise: 03:16, Set: 18:13. Civil Dark: 21:08 - 05:37. Nautical Dark: 21:53 - 04:51. Astro Dark: 22:46 - 03:59

Total Clouds (% Sky Obscured)

83
65
81
27
55
20
75
94
79
52
52
32
24
22
14
6
11
34
20
42
23
43
53
12

Low Clouds (% Sky Obscured)

73
24
56
25
30
15
18
47
48
41
35
27
16
20
13
6
9
31
19
25
21
33
40
12

Medium Clouds (% Sky Obscured)

16
19
9
13
52
16
26
37
69
38
40
19
16
7
4
2
4
14
3
32
6
32
35
2

High Clouds (% Sky Obscured)

35
56
56
0
0
0
63
87
10
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
9
6
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
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

23
29
32
28
22
16
9
5
4
3
3
3
4
6
7
5
3
2
3
6
8
6
3
1

Precipitation Amount (mm)

0.37
0.59
1.14
0.61
0.39
0.24
0.17
0.12
0.1
0.08
0.08
0.09
0.11
0.14
0.16
0.13
0.09
0.08
0.09
0.13
0.17
0.14
0.09
0.05

Wind Speed/Direction (mph)

19
21
22
23
24
25
25
25
26
25
25
24
23
22
21
19
18
17
17
18
18
18
18
18

Chance of Frost

Temperature (°C)

17
16
16
16
16
16
16
16
15
15
14
14
13
13
13
13
13
13
13
13
13
13
14
15

Feels Like (°C)

17
16
16
16
16
16
16
16
15
15
14
14
13
13
13
13
13
13
13
13
13
13
14
15

Dew Point (°C)

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

Relative Humidity (%)

81
74
74
74
74
73
73
75
77
80
84
87
89
90
90
90
89
89
90
91
91
87
82
78

Pressure (mb)

1013
1013
1014
1014
1014
1014
1014
1015
1015
1015
1016
1016
1017
1017
1017
1018
1018
1018
1019
1019
1019
1020
1020
1021

Ozone (du)

362
368
371
368
362
357
355
353
352
350
347
346
346
346
346
345
344
342
340
339
337
336
334
332

Saturday 19

Waning Crescent 7%

04:25

19:05

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

Sun - Rise: 06:14, Set: 20:30, Transit: 13:21. Moon - Rise: 04:25, Set: 19:05. Civil Dark: 21:06 - 05:38. Nautical Dark: 21:51 - 04:53. Astro Dark: 22:43 - 04:02

Total Clouds (% Sky Obscured)

21
27
60
19
40
23
83
97
63
59
20
18
19
100
86
88
97
90
74
100
100
100
95
100

Low Clouds (% Sky Obscured)

21
27
60
19
40
23
82
81
25
56
19
18
17
12
6
3
6
31
41
38
44
19
61
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
6
0
0
1
1
1
9
54
16
41
81
100
100
95
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
4
84
52
4
2
0
2
100
85
87
94
88
50
100
68
48
6
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
12
17
23
25
26
28
28

Precipitation Amount (mm)

0.04
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.09
0.17
0.2
0.24
0.29
0.32
0.46
0.62

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
16
17
16
16
16
16
16
16
15
14
14
13
13
13
13
13
13
13
13
14
14
15
16

Feels Like (°C)

16
16
17
16
16
16
16
16
16
15
14
14
13
13
13
13
13
13
13
13
14
14
15
16

Dew Point (°C)

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

Relative Humidity (%)

74
72
71
71
71
71
70
71
72
75
78
81
83
85
86
87
88
89
90
92
93
92
90
88

Pressure (mb)

1021
1021
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1021
1021
1022
1022

Ozone (du)

329
326
323
320
318
316
314
312
311
310
310
310
308
306
304
302
300
299
298
297
296
294
292
290

Sunday 20

Waning Crescent 2%

05:39

19:48

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
09 Bad
10 Bad

Sun - Rise: 06:16, Set: 20:28, Transit: 13:21. Moon - Rise: 05:39, Set: 19:48. Civil Dark: 21:04 - 05:40. Nautical Dark: 21:48 - 04:55. Astro Dark: 22:40 - 04:04

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)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

100
41
37
28
97
98
95
70
62
92
64
73
85
63
79
6
1
14
38
53
91
91
91
91

High Clouds (% Sky Obscured)

29
79
84
70
0
0
0
1
7
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
8
9
9
9
8
6
4
6
8
9
8
7
6
7
9
10
8
7
5
9
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
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 (%)

25
21
19
18
17
17
15
11
8
5
3
2
2
3
4
3
2
2
1
1
1
1
1
0

Precipitation Amount (mm)

0.58
0.45
0.39
0.35
0.31
0.28
0.23
0.18
0.14
0.1
0.07
0.05
0.06
0.07
0.09
0.08
0.06
0.05
0.04
0.04
0.04
0.04
0.03
0

Wind Speed/Direction (mph)

15
15
15
15
14
14
13
14
14
13
13
13
12
12
12
11
11
10
10
9
9
9
9
9

Chance of Frost

Temperature (°C)

16
17
17
18
18
18
18
18
18
18
17
17
17
16
16
16
16
16
16
16
15
16
17
17

Feels Like (°C)

16
17
18
18
18
19
19
18
18
18
17
17
17
17
16
16
16
16
16
16
16
16
17
18

Dew Point (°C)

14
15
15
16
16
16
16
16
16
16
16
16
16
16
16
16
15
15
15
15
15
15
15
15

Relative Humidity (%)

87
86
86
87
87
87
88
89
91
93
95
96
97
98
98
98
98
97
96
96
97
95
92
87

Pressure (mb)

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

Ozone (du)

289
289
289
289
289
290
289
288
288
288
288
288
288
288
287
287
286
285
285
284
284
284
284
284

Monday 21

New Moon 0%

06:54

20:23

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
09 Bad
10 Bad

Sun - Rise: 06:17, Set: 20:26, Transit: 13:21. Moon - Rise: 06:54, Set: 20:23. Civil Dark: 21:01 - 05:42. Nautical Dark: 21:46 - 04:57. Astro Dark: 22:37 - 04:07

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
69
69
69
69
69
69
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
67
67
67
67
67
67
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

91
91
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
0
0
0
27
27
27
27

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
4
4
4
4
4
4
20
20
20
20
20
20
60
60
60
60

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
9
8
6
5
5
5
5
5
5
5
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

15
16
16
16
16
16
16
16
16
17
16
16
16
15
15
15
14
14
14
14
14
15
16
17

Relative Humidity (%)

83
80
79
78
77
76
76
78
80
87
90
92
94
95
96
96
95
94
93
93
94
93
90
86

Pressure (mb)

1021
1021
1021
1021
1020
1020
1020
1020
1019
1020
1020
1020
1019
1019
1018
1018
1017
1017
1016
1016
1016
1016
1015
1015

Ozone (du)

284
284
284
284
284
284
285
285
285
285
286
286
286
286
286
286
286
286
286
285
285
285
285
285

Tuesday 22

Waxing Crescent 1%

08:08

20:54

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

Sun - Rise: 06:19, Set: 20:24, Transit: 13:20. Moon - Rise: 08:08, Set: 20:54. Civil Dark: 20:59 - 05:43. Nautical Dark: 21:43 - 04:59. Astro Dark: 22:34 - 04:09

Total Clouds (% Sky Obscured)

100
100
69
69
69
69
69
69
22
22
22
22
22
22
98
98
98
98
98
98
98
98
98
98

Low Clouds (% Sky Obscured)

100
100
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
6
6
6

Medium Clouds (% Sky Obscured)

27
27
34
34
34
34
34
34
0
0
0
0
0
0
18
18
18
18
18
18
64
64
64
64

High Clouds (% Sky Obscured)

60
60
62
62
62
62
62
62
22
22
22
22
22
22
98
98
98
98
98
98
96
96
96
96

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
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

Precipitation Probability (%)

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

Precipitation Amount (mm)

0
0.04
0.08
0.12
0.19
0.23
0.18
0.1
0.04
0
0
0
0
0.05
0.08
0.07
0.04
0
0
0.03
0.03
0.04
0.04
0.05

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
22
22
22
22
22
22
21
20
19
17
16
16
16
15
15
15
15
15
15
15
15
16
16

Feels Like (°C)

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

Dew Point (°C)

18
18
18
18
17
17
17
17
17
16
16
15
15
15
14
14
14
13
13
13
13
13
13
13

Relative Humidity (%)

82
78
76
76
75
75
76
79
83
86
89
92
93
93
93
92
91
89
89
90
90
89
86
83

Pressure (mb)

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

Ozone (du)

285
285
286
286
286
287
287
287
288
289
290
291
292
293
294
296
298
300
302
305
306
308
309
309

Wednesday 23

Waxing Crescent 4%

09:20

21:21

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

Sun - Rise: 06:20, Set: 20:22, Transit: 13:20. Moon - Rise: 09:20, Set: 21:21. Civil Dark: 20:57 - 05:45. Nautical Dark: 21:41 - 05:01. Astro Dark: 22:31 - 04:12

Total Clouds (% Sky Obscured)

98
98
16
16
16
16
16
16
41
41
41
41
41
41
66
66
66
66
66
66
98
98
98
98

Low Clouds (% Sky Obscured)

6
6
2
2
2
2
2
2
0
0
0
0
0
0
5
5
5
5
5
5
5
5
5
5

Medium Clouds (% Sky Obscured)

64
64
10
10
10
10
10
10
27
27
27
27
27
27
48
48
48
48
48
48
17
17
17
17

High Clouds (% Sky Obscured)

96
96
7
7
7
7
7
7
22
22
22
22
22
22
46
46
46
46
46
46
98
98
98
98

ISS Passover

Visibility (miles)

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 (%)

1
1
1
1
1
1
1
0
0
0
1
3
3
2
2
2
3
4
4
4
3
2
1
1

Precipitation Amount (mm)

0.04
0.04
0.05
0.05
0.04
0.03
0.03
0
0
0
0.04
0.07
0.07
0.05
0.05
0.05
0.07
0.09
0.1
0.09
0.08
0.05
0.04
0.03

Wind Speed/Direction (mph)

13
13
15
15
15
16
16
15
15
14
14
14
14
13
13
13
12
12
12
11
11
11
11
11

Chance of Frost

Temperature (°C)

17
18
18
18
18
18
18
18
17
16
16
15
14
14
14
14
14
14
14
14
14
15
15
16

Feels Like (°C)

17
18
18
18
18
18
18
18
17
16
16
15
14
14
14
14
14
14
14
14
14
15
15
16

Dew Point (°C)

13
13
13
13
13
13
13
13
13
13
13
14
14
14
14
14
14
14
14
14
14
14
14
14

Relative Humidity (%)

79
76
75
75
75
74
74
76
79
83
87
91
95
97
98
98
97
97
97
98
97
94
90
86

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016

Ozone (du)

308
305
303
302
301
301
300
300
300
300
300
300
302
303
305
305
304
304
304
305
306
307
309
310

Thursday 24

Waxing Crescent 10%

10:29

21:46

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

Sun - Rise: 06:22, Set: 20:19, Transit: 13:20. Moon - Rise: 10:29, Set: 21:46. Civil Dark: 20:55 - 05:47. Nautical Dark: 21:38 - 05:03. Astro Dark: 22:28 - 04:14

Total Clouds (% Sky Obscured)

98
98
71
71
71
71
71
71
45
45
45
45
45
45
52
52
52
52
52
52
100
100
100
100

Low Clouds (% Sky Obscured)

5
5
1
1
1
1
1
1
0
0
0
0
0
0
37
37
37
37
37
37
100
100
100
100

Medium Clouds (% Sky Obscured)

17
17
39
39
39
39
39
39
45
45
45
45
45
45
38
38
38
38
38
38
46
46
46
46

High Clouds (% Sky Obscured)

98
98
59
59
59
59
59
59
0
0
0
0
0
0
4
4
4
4
4
4
0
0
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

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 (%)

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

Precipitation Amount (mm)

0.03
0.03
0.04
0.04
0.03
0.03
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.03
0.03
0.04

Wind Speed/Direction (mph)

11
11
12
12
12
12
12
12
12
12
11
10
10
10
10
10
9
9
3
4
3
4
8
9

Chance of Frost

Temperature (°C)

17
17
17
18
18
18
18
18
17
16
16
15
15
14
14
14
14
14
14
14
14
15
16
17

Feels Like (°C)

17
17
17
18
18
18
18
18
17
16
16
15
15
14
14
14
14
14
14
14
14
15
16
17

Dew Point (°C)

14
14
13
13
13
13
13
13
13
13
12
12
12
12
12
12
12
12
12
12
12
13
13
13

Relative Humidity (%)

82
80
78
77
75
73
73
75
78
79
81
83
85
87
88
88
88
87
88
89
90
88
84
81

Pressure (mb)

1016
1017
1017
1017
1017
1017
1016
1016
1016
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

311
312
312
312
312
311
310
310
309
310
310
310
310
310
310
309
309
308
308
309
309
309
309
309

Forecast for Bude, Cornwall, UK (50.83,-4.54)

Generated: 18/08/17 11:52:37. Forecast: 18/08/17 to 24/08/17. Timezone: UTC+1.00