Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 18

First Quarter 55%

14:28

23:59

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
11 Bad

Sun - Rise: 05:59, Set: 20:23, Transit: 13:10. Moon - Rise: 14:28, Set: 23:59. Civil Dark: 21:00 - 05:23. Nautical Dark: 21:47 - 04:36. Astro Dark: 22:42 - 03:42

Total Clouds (% Sky Obscured)

96
100
100
100
93
92
57
65
72
100
100
100
91
100
100
98
100
92
86
64
100
100
100
100

Low Clouds (% Sky Obscured)

95
100
100
99
93
88
54
65
72
100
100
100
85
100
98
97
100
91
84
62
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
5
2
4
9
9
6
0
0
0
0

High Clouds (% Sky Obscured)

6
0
45
49
0
34
6
0
0
19
0
2
38
91
85
4
86
5
2
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
7
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

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
21
22
23
24
20
21
21
20
20
19
19
19
18
18
18
18
17
17
17
17
18
19
20

Feels Like (°C)

19
21
22
23
24
20
21
21
20
20
19
19
19
18
18
18
18
17
17
17
17
18
19
20

Dew Point (°C)

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

Relative Humidity (%)

71
63
59
57
55
73
71
71
74
77
79
81
83
85
85
85
85
84
85
85
84
83
82
79

Pressure (mb)

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

Ozone (du)

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

Sunday 19

Waxing Gibbous 65%

15:33

00:32

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
11 Bad

Sun - Rise: 06:01, Set: 20:21, Transit: 13:10. Moon - Rise: 15:33, Set: 00:32. Civil Dark: 20:58 - 05:24. Nautical Dark: 21:44 - 04:38. Astro Dark: 22:39 - 03:44

Total Clouds (% Sky Obscured)

100
100
98
95
84
91
70
88
100
95
96
87
78
57
96
100
100
100
100
100
88
92
99
100

Low Clouds (% Sky Obscured)

100
100
98
95
84
91
70
88
100
95
96
87
78
57
96
100
100
100
100
100
87
92
99
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
6

High Clouds (% Sky Obscured)

0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
2
6
7
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 (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

19
18
17
17
16
15
14
13
11
10
9
9
8
8
7
6
6
6
6
6
7
8
8
8

Chance of Frost

Temperature (°C)

20
20
20
22
22
23
23
22
21
20
19
18
18
17
17
17
17
17
17
17
18
19
20
21

Feels Like (°C)

20
20
20
22
22
23
23
22
21
20
19
18
18
18
17
17
17
17
17
17
18
19
20
21

Dew Point (°C)

16
16
16
16
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
16
16
16
16
16

Relative Humidity (%)

79
78
76
69
65
63
63
65
69
75
80
83
84
86
88
89
91
91
93
92
87
82
76
73

Pressure (mb)

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

Ozone (du)

302
302
302
303
304
306
308
309
309
309
308
307
305
305
304
304
303
302
300
298
297
297
296
296

Monday 20

Waxing Gibbous 74%

16:33

01:10

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

Sun - Rise: 06:02, Set: 20:19, Transit: 13:10. Moon - Rise: 16:33, Set: 01:10. Civil Dark: 20:56 - 05:26. Nautical Dark: 21:42 - 04:40. Astro Dark: 22:35 - 03:47

Total Clouds (% Sky Obscured)

98
80
45
59
27
37
47
13
3
9
20
28
17
27
33
40
46
88
98
98
98
98
98
98

Low Clouds (% Sky Obscured)

98
79
45
58
27
37
47
12
3
9
11
10
16
23
32
40
46
88
98
98
98
98
98
98

Medium Clouds (% Sky Obscured)

16
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

16
2
0
3
0
0
0
1
0
1
10
20
2
5
2
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 (%)

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

Precipitation Amount (mm)

0.03
0.04
0.05
0.06
0.07
0.06
0.05
0.04
0.02
0.01
0.01
0
0
0
0
0.01
0.01
0.01
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
24
24
25
24
24
23
23
22
20
19
19
18
18
17
17
17
16
16
16
17
19
20
22

Feels Like (°C)

22
24
24
25
24
24
24
23
22
21
20
19
18
18
17
17
17
16
16
16
17
19
20
22

Dew Point (°C)

16
16
16
16
16
16
16
16
16
16
16
16
16
15
15
15
15
15
15
15
15
15
15
15

Relative Humidity (%)

66
62
59
57
58
60
62
65
70
76
80
83
85
86
87
87
88
90
93
92
85
78
70
65

Pressure (mb)

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

Ozone (du)

296
296
295
295
295
294
294
294
295
295
296
296
295
295
295
295
295
295
295
295
295
295
295
295

Tuesday 21

Waxing Gibbous 82%

17:28

01:55

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
11 Bad

Sun - Rise: 06:04, Set: 20:17, Transit: 13:10. Moon - Rise: 17:28, Set: 01:55. Civil Dark: 20:53 - 05:28. Nautical Dark: 21:39 - 04:42. Astro Dark: 22:32 - 03:50

Total Clouds (% Sky Obscured)

98
99
99
99
99
99
99
37
37
37
37
37
37
25
25
25
25
25
25
100
100
100
100
100

Low Clouds (% Sky Obscured)

98
99
99
99
99
99
99
37
37
37
37
37
37
25
25
25
25
25
25
100
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
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
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)

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

Chance of Frost

Temperature (°C)

23
24
25
25
25
25
24
23
24
21
20
19
18
18
18
17
17
16
16
16
18
20
21
23

Feels Like (°C)

23
24
25
25
25
25
24
23
24
22
20
19
19
18
18
17
17
16
16
16
18
20
21
23

Dew Point (°C)

15
15
15
15
15
15
16
16
16
16
16
16
16
16
16
16
15
15
15
16
16
16
16
16

Relative Humidity (%)

60
56
55
54
54
56
60
63
62
72
79
84
87
89
90
91
93
95
99
97
89
80
72
67

Pressure (mb)

1020
1019
1019
1019
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1019
1019
1019
1018

Ozone (du)

295
295
296
296
297
299
300
302
302
303
303
303
303
302
302
302
302
302
302
301
300
299
298
298

Wednesday 22

Waxing Gibbous 89%

18:15

02:46

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
11 Bad

Sun - Rise: 06:06, Set: 20:15, Transit: 13:09. Moon - Rise: 18:15, Set: 02:46. Civil Dark: 20:51 - 05:30. Nautical Dark: 21:36 - 04:44. Astro Dark: 22:29 - 03:53

Total Clouds (% Sky Obscured)

100
99
99
99
99
99
99
58
58
58
58
58
58
51
51
51
51
51
51
61
61
61
61
61

Low Clouds (% Sky Obscured)

100
99
99
99
99
99
99
58
58
58
58
58
58
51
51
51
51
51
51
56
56
56
56
56

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
6
6
6
6

High Clouds (% Sky Obscured)

0
51
51
51
51
51
51
1
1
1
1
1
1
0
0
0
0
0
0
10
10
10
10
10

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
7
5
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
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
2
2
1
1
1
1
0
0
0
0
0
0
0
3
12
28
39
36
36
35
25

Precipitation Amount (mm)

0
0
0
0.01
0.02
0.02
0.02
0.01
0.01
0
0
0
0
0
0
0
0.01
0.06
0.24
0.45
0.58
0.67
0.66
0.44

Wind Speed/Direction (mph)

7
8
8
9
10
10
11
11
10
8
7
7
7
8
8
8
8
9
9
10
12
13
15
14

Chance of Frost

Temperature (°C)

23
25
25
26
26
25
25
24
23
21
19
19
18
18
17
17
17
17
16
17
17
18
18
19

Feels Like (°C)

23
25
25
26
26
25
25
24
23
21
19
19
18
18
17
17
17
17
16
17
17
18
18
19

Dew Point (°C)

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

Relative Humidity (%)

64
59
56
54
54
55
56
57
60
65
70
74
77
79
81
84
86
89
91
91
90
89
86
82

Pressure (mb)

1018
1018
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1015
1015
1014
1013
1013
1012
1012
1012
1011
1011
1011
1011

Ozone (du)

298
298
297
297
298
299
301
303
302
301
301
303
306
308
308
306
305
304
303
303
305
307
309
310

Thursday 23

Waxing Gibbous 94%

18:56

03:43

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

Sun - Rise: 06:07, Set: 20:13, Transit: 13:09. Moon - Rise: 18:56, Set: 03:43. Civil Dark: 20:49 - 05:31. Nautical Dark: 21:34 - 04:46. Astro Dark: 22:26 - 03:55

Total Clouds (% Sky Obscured)

61
36
36
36
36
36
36
3
3
3
3
3
3
91
91
91
91
91
91
100
100
100
100
100

Low Clouds (% Sky Obscured)

56
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

6
2
2
2
2
2
2
3
3
3
3
3
3
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

10
34
34
34
34
34
34
0
0
0
0
0
0
91
91
91
91
91
91
100
100
100
100
100

ISS Passover

Visibility (miles)

5
7
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

14
7
4
0
0
0
3
3
3
0
0
0
0
0
0
0
3
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.18
0.05
0.01
0
0
0
0.01
0.01
0.01
0
0
0
0
0
0
0
0.01
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
15
14
14
16
16
16
15
14
12
11
10
10
9
9
8
8
8
9
10
11
11
14
7

Chance of Frost

Temperature (°C)

20
21
22
22
22
21
19
18
17
15
14
13
13
12
11
11
10
10
10
10
11
13
15
16

Feels Like (°C)

20
21
22
22
22
21
19
18
17
15
14
13
13
12
11
11
10
8
8
10
11
13
15
16

Dew Point (°C)

15
14
13
11
10
9
9
9
8
8
7
7
7
7
7
7
7
7
7
7
7
6
6
6

Relative Humidity (%)

75
65
57
49
47
48
52
54
57
59
62
65
68
71
74
78
81
83
83
80
72
62
56
53

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014

Ozone (du)

310
312
316
321
326
331
336
341
345
348
350
352
353
352
346
339
333
332
334
335
335
335
336
337

Friday 24

Waxing Gibbous 98%

19:31

04:44

12 Bad
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK
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 OK
08 OK
09 Good
10 Good
11 Good

Sun - Rise: 06:09, Set: 20:11, Transit: 13:09. Moon - Rise: 19:31, Set: 04:44. Civil Dark: 20:46 - 05:33. Nautical Dark: 21:31 - 04:49. Astro Dark: 22:22 - 03:58

Total Clouds (% Sky Obscured)

100
33
33
33
33
33
33
100
100
100
100
100
100
91
91
91
91
91
91
1
1
1
1
1

Low Clouds (% Sky Obscured)

0
33
33
33
33
33
33
73
73
73
73
73
73
0
0
0
0
0
0
1
1
1
1
1

Medium Clouds (% Sky Obscured)

0
1
1
1
1
1
1
71
71
71
71
71
71
9
9
9
9
9
9
1
1
1
1
1

High Clouds (% Sky Obscured)

100
0
0
0
0
0
0
99
99
99
99
99
99
91
91
91
91
91
91
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
5
2
3
7
9
8
5
4
4
6
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
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
1
4
5
6
7
8
10
17
22
26
34
49
55
52
47
39
30
29
22
15
10
9
8

Precipitation Amount (mm)

0
0.01
0.01
0.02
0.02
0.02
0.01
0.01
0.03
0.08
0.14
0.18
0.23
0.27
0.36
0.5
0.56
0.41
0.2
0.08
0.03
0.03
0.04
0.03

Wind Speed/Direction (mph)

8
15
16
16
17
15
15
15
13
12
10
10
11
11
12
12
12
11
11
11
11
13
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

51
50
48
48
48
50
53
55
58
62
67
72
78
82
83
82
82
85
87
86
82
76
69
65

Pressure (mb)

1014
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

338
340
342
343
345
348
350
352
353
354
354
355
355
356
357
359
360
362
364
364
360
354
349
346

Forecast for Swindon, Wiltshire, UK (51.56,-1.78)

Generated: 18/08/18 17:40:32. Forecast: 18/08/18 to 24/08/18. Timezone: UTC+1.00