Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 18

Waning Crescent 14%

03:14

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 Good
04 OK
05 OK
06 OK
07 OK
08 OK
09 Bad
10 Good

Sun - Rise: 06:11, Set: 20:32, Transit: 13:21. Moon - Rise: 03:14, Set: 18:13. Civil Dark: 21:08 - 05:35. Nautical Dark: 21:54 - 04:50. Astro Dark: 22:47 - 03:57

Total Clouds (% Sky Obscured)

62
63
70
33
27
23
72
92
73
51
48
31
24
20
16
6
12
22
42
26
18
41
45
9

Low Clouds (% Sky Obscured)

22
39
34
27
23
22
16
27
16
34
29
23
20
16
13
5
11
20
31
23
16
19
20
9

Medium Clouds (% Sky Obscured)

26
12
30
22
20
9
25
27
60
31
38
19
13
11
8
2
2
11
23
10
5
34
39
2

High Clouds (% Sky Obscured)

49
39
56
1
0
0
63
89
34
18
2
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

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

Precipitation Probability (%)

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

Precipitation Amount (mm)

0.35
1.65
1.24
0.6
0.38
0.23
0.15
0.11
0.09
0.09
0.1
0.11
0.14
0.17
0.19
0.15
0.1
0.09
0.09
0.11
0.13
0.11
0.08
0.06

Wind Speed/Direction (mph)

20
22
23
24
25
26
26
27
27
27
27
26
25
24
22
21
19
18
19
19
20
19
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
73
75
76
77
75
74
74
76
78
80
82
82
82
82
81
81
80
81
83
84
82
79
75

Pressure (mb)

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

Ozone (du)

363
368
371
368
363
359
356
354
352
350
348
347
346
347
347
347
346
344
343
341
340
338
336
334

Saturday 19

Waning Crescent 7%

04:24

19:05

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

Sun - Rise: 06:13, Set: 20:30, Transit: 13:21. Moon - Rise: 04:24, Set: 19:05. Civil Dark: 21:06 - 05:37. Nautical Dark: 21:51 - 04:52. Astro Dark: 22:44 - 04:00

Total Clouds (% Sky Obscured)

21
26
33
29
21
69
73
87
98
59
35
40
34
100
48
54
90
73
78
99
96
100
98
100

Low Clouds (% Sky Obscured)

21
26
33
29
21
69
70
20
84
49
34
38
33
23
6
2
8
2
37
66
57
45
4
100

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
2
0
1
1
0
1
3
31
4
23
65
85
100
98
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
12
84
88
18
2
2
2
100
45
52
86
73
68
99
87
65
5
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
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

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
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
5
21
26
25
23
23

Precipitation Amount (mm)

0.04
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.04
0.06
0.09
0.22
0.34
0.29
0.24
0.27

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
17
16
16
16
16
16
16
16
15
15
15
15
15
15
15
15
15
15
15
15
15
16
16

Feels Like (°C)

16
17
16
16
16
16
16
16
16
15
15
15
15
15
15
15
15
15
15
15
15
15
16
16

Dew Point (°C)

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

Relative Humidity (%)

73
72
72
73
74
73
71
71
71
73
75
76
76
77
77
78
78
78
80
82
85
86
86
85

Pressure (mb)

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

Ozone (du)

331
327
324
321
319
317
315
313
312
311
311
310
309
307
306
304
302
300
299
298
297
296
294
292

Sunday 20

Waning Crescent 2%

05:38

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: 06:15, Set: 20:28, Transit: 13:20. Moon - Rise: 05:38, Set: 19:48. Civil Dark: 21:04 - 05:39. Nautical Dark: 21:49 - 04:54. Astro Dark: 22:41 - 04:02

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
66
46
39
85
98
93
93
61
59
59
57
93
52
81
26
3
4
8
39
93
93
93
93

High Clouds (% Sky Obscured)

39
62
73
45
0
0
2
0
14
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
8
7
7
7
7
7
7
6
6
6
6
6
7
7
7
8
8
8
8
7
8
8
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

21
16
12
10
11
12
12
12
11
7
3
2
1
3
4
4
3
2
1
1
0
0
0
0

Precipitation Amount (mm)

0.26
0.21
0.17
0.16
0.17
0.18
0.19
0.19
0.19
0.13
0.07
0.05
0.05
0.07
0.09
0.09
0.07
0.06
0.04
0.03
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
17
17
17
17
17
18
18
18
17
17
17
18
18
18
18
18
18
17
17
16
16
17
18

Feels Like (°C)

17
17
17
17
17
18
18
18
18
18
18
18
18
18
18
18
18
18
17
17
16
16
17
18

Dew Point (°C)

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

Relative Humidity (%)

85
86
88
90
91
91
90
91
93
94
94
93
91
90
90
89
89
88
87
89
92
92
90
86

Pressure (mb)

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

Ozone (du)

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

Monday 21

New Moon 0%

06:53

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: 06:16, Set: 20:26, Transit: 13:20. Moon - Rise: 06:53, Set: 20:23. Civil Dark: 21:01 - 05:41. Nautical Dark: 21:46 - 04:56. Astro Dark: 22:38 - 04:05

Total Clouds (% Sky Obscured)

100
100
93
93
93
93
93
93
79
79
79
79
79
79
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
93
93
93
93
93
93
78
78
78
78
78
78
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

93
93
7
7
7
7
7
7
2
2
2
2
2
2
0
0
0
0
0
0
10
10
10
10

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
4
4
4
4
4
4
23
23
23
23
23
23
74
74
74
74

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
100
100
100
100
100
100
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
8
8
8
6
5
5
4
3
4
5
6
7
8
9
9
9
10
10
10
10
10

Chance of Frost

Temperature (°C)

18
19
19
19
20
20
20
20
19
19
18
18
18
18
18
18
17
17
17
17
16
17
18
19

Feels Like (°C)

18
19
19
19
20
20
20
20
19
19
18
18
18
18
18
18
17
17
17
17
16
17
18
20

Dew Point (°C)

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

Relative Humidity (%)

83
81
80
81
81
80
79
79
81
88
89
89
88
88
87
87
86
84
83
84
86
88
88
86

Pressure (mb)

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

08:07

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: 06:18, Set: 20:23, Transit: 13:20. Moon - Rise: 08:07, Set: 20:54. Civil Dark: 20:59 - 05:42. Nautical Dark: 21:44 - 04:58. Astro Dark: 22:35 - 04:08

Total Clouds (% Sky Obscured)

100
100
96
96
96
96
96
96
23
23
23
23
23
23
99
99
99
99
99
99
98
98
98
98

Low Clouds (% Sky Obscured)

100
100
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
0
0
0
2
2
2
2

Medium Clouds (% Sky Obscured)

10
10
60
60
60
60
60
60
0
0
0
0
0
0
12
12
12
12
12
12
31
31
31
31

High Clouds (% Sky Obscured)

74
74
95
95
95
95
95
95
22
22
22
22
22
22
99
99
99
99
99
99
97
97
97
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
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 (%)

0
4
7
7
6
4
4
3
2
1
0
0
0
2
4
3
1
0
0
1
1
1
1
1

Precipitation Amount (mm)

0
0.13
0.25
0.25
0.18
0.13
0.11
0.09
0.07
0.03
0
0
0
0.06
0.09
0.07
0.04
0
0
0.03
0.03
0.03
0.03
0.04

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
79
78
78
77
76
76
78
82
85
88
88
86
84
83
82
81
80
80
82
84
84
82
79

Pressure (mb)

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

Ozone (du)

285
285
286
286
286
287
287
287
288
289
290
291
292
293
294
296
299
301
304
306
308
310
311
311

Wednesday 23

Waxing Crescent 4%

09:19

21:20

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: 20:21, Transit: 13:20. Moon - Rise: 09:19, Set: 21:20. Civil Dark: 20:57 - 05:44. Nautical Dark: 21:41 - 05:00. Astro Dark: 22:32 - 04:10

Total Clouds (% Sky Obscured)

98
98
50
50
50
50
50
50
32
32
32
32
32
32
69
69
69
69
69
69
98
98
98
98

Low Clouds (% Sky Obscured)

2
2
5
5
5
5
5
5
0
0
0
0
0
0
1
1
1
1
1
1
4
4
4
4

Medium Clouds (% Sky Obscured)

31
31
9
9
9
9
9
9
16
16
16
16
16
16
42
42
42
42
42
42
23
23
23
23

High Clouds (% Sky Obscured)

97
97
44
44
44
44
44
44
20
20
20
20
20
20
53
53
53
53
53
53
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
0
0
0
0
1
3
2
2
1
2
3
4
5
4
3
2
1
0

Precipitation Amount (mm)

0.04
0.04
0.04
0.04
0.04
0.04
0
0
0
0
0.04
0.07
0.06
0.05
0.04
0.05
0.08
0.11
0.11
0.1
0.09
0.06
0.03
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
18
17
17
17
17
18
18
17
17
16
16
16
16
16
16
16
16
16
16
16
16
16
17

Feels Like (°C)

17
18
17
17
17
17
18
18
17
17
16
16
16
16
16
16
16
16
16
16
16
16
16
17

Dew Point (°C)

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

Relative Humidity (%)

77
76
76
78
78
77
75
76
77
81
84
86
87
87
87
87
87
86
87
89
90
89
87
84

Pressure (mb)

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

Ozone (du)

310
307
304
303
302
301
300
300
300
300
300
301
302
304
306
306
305
305
306
307
308
309
311
312

Thursday 24

Waxing Crescent 10%

10:29

21:45

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 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:21, Set: 20:19, Transit: 13:19. Moon - Rise: 10:29, Set: 21:45. Civil Dark: 20:55 - 05:46. Nautical Dark: 21:39 - 05:02. Astro Dark: 22:28 - 04:13

Total Clouds (% Sky Obscured)

98
98
94
94
94
94
94
94
44
44
44
44
44
44
44
44
44
44
44
44
100
100
100
100

Low Clouds (% Sky Obscured)

4
4
0
0
0
0
0
0
0
0
0
0
0
0
25
25
25
25
25
25
100
100
100
100

Medium Clouds (% Sky Obscured)

23
23
13
13
13
13
13
13
44
44
44
44
44
44
40
40
40
40
40
40
50
50
50
50

High Clouds (% Sky Obscured)

98
98
93
93
93
93
93
93
0
0
0
0
0
0
1
1
1
1
1
1
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

11
12
12
12
13
13
13
13
13
12
11
11
11
11
11
11
9
4
11
11
10
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
79
79
80
79
77
76
76
78
78
78
78
78
78
78
79
79
78
79
82
84
84
82
80

Pressure (mb)

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

Ozone (du)

313
313
313
312
312
311
310
310
310
310
311
311
311
311
310
310
309
309
309
309
309
310
310
310

Forecast for Bideford, Devon EX39, UK (51.00,-4.40)

Generated: 18/08/17 11:53:55. Forecast: 18/08/17 to 24/08/17. Timezone: UTC+1.00