Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 19

Waxing Gibbous 65%

15:33

00:32

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

87
54
86
20
7
2
17
41
33
37
60
89
98
99
97
99
99
98
99
100
100
84
44
98

Low Clouds (% Sky Obscured)

87
54
86
13
2
2
17
41
33
37
60
89
98
98
95
99
99
96
99
100
100
84
44
98

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
7
28
12
17
3
0
0

High Clouds (% Sky Obscured)

0
0
0
8
5
0
0
0
0
0
0
0
0
16
39
27
44
34
1
0
0
0
0
0

ISS Passover

Visibility (miles)

8
10
10
10
10
10
10
10
10
10
10
10
8
6
7
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 (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
62
65
66
68
71
76
80
83
86
88
89
90
91
94
94
94
92
89
84
79
75
71
66

Pressure (mb)

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

Ozone (du)

298
298
299
301
303
305
307
308
308
306
305
303
301
300
298
297
296
295
295
295
296
296
296
296

Monday 20

Waxing Gibbous 74%

16:33

01:10

15 Bad
16 OK
17 OK
18 OK
19 Bad
20 OK
21 OK
22 Good
23 Good
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
14 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)

81
33
42
45
59
33
20
16
15
26
33
78
88
95
97
99
100
100
100
100
100
94
91
94

Low Clouds (% Sky Obscured)

81
33
42
36
49
33
20
16
15
26
33
78
87
95
97
99
100
100
100
100
100
94
91
94

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
2
2
4
6
4
2
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
15
20
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
9
8
9
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 (%)

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

Precipitation Amount (mm)

0.06
0.07
0.08
0.08
0.07
0.04
0.02
0.03
0.02
0.01
0
0
0
0.01
0.01
0.01
0.01
0.01
0.02
0.02
0.02
0.01
0.01
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
60
60
60
63
68
74
78
80
83
86
89
91
93
93
93
92
90
86
80
74
69
64
60

Pressure (mb)

1020
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

297
297
297
296
297
297
297
297
297
297
297
297
297
297
297
297
297
297
296
296
296
296
296
296

Tuesday 21

Waxing Gibbous 82%

17:28

01:55

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

Sun - Rise: 06:04, Set: 20:17, Transit: 13:09. 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)

78
82
84
26
12
2
0
0
0
2
7
13
15
16
32
97
100
100
100
100
100
100
97
97

Low Clouds (% Sky Obscured)

78
82
84
26
12
2
0
0
0
1
7
13
15
16
32
97
100
100
100
100
100
100
49
49

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
16
16

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
0
0
1
0
0
0
0
0
0
0
0
0
93
93

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
7
9
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
1

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
0.01

Wind Speed/Direction (mph)

10
10
10
10
10
9
9
8
8
7
7
6
6
6
7
7
8
9
10
11
12
13
13
14

Chance of Frost

Temperature (°C)

24
25
24
24
23
21
20
18
18
17
16
16
15
15
15
16
16
17
18
19
21
22
23
24

Feels Like (°C)

24
25
24
24
23
21
20
18
18
17
16
16
15
15
15
16
16
17
18
20
21
22
23
24

Dew Point (°C)

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

Relative Humidity (%)

56
54
54
56
60
65
71
76
81
85
89
93
95
95
95
93
92
87
84
80
73
70
65
60

Pressure (mb)

1018
1018
1018
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016

Ozone (du)

297
297
298
298
299
299
299
299
299
300
300
301
302
302
302
300
299
298
298
298
297
297
297
298

Wednesday 22

Waxing Gibbous 89%

18:15

02:46

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
14 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)

97
97
97
97
78
78
78
78
78
78
66
66
66
66
66
66
84
84
84
84
84
84
82
82

Low Clouds (% Sky Obscured)

49
49
49
49
6
6
6
6
6
6
65
65
65
65
65
65
81
81
81
81
81
81
30
30

Medium Clouds (% Sky Obscured)

16
16
16
16
2
2
2
2
2
2
9
9
9
9
9
9
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

93
93
93
93
76
76
76
76
76
76
0
0
0
0
0
0
14
14
14
14
14
14
74
74

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
14
12
11
11
10
7
8
6
6
6
3
4
4
4
5
6
7
8
9
11
12
13
15

Chance of Frost

Temperature (°C)

25
25
24
23
22
20
19
18
17
17
16
15
13
12
10
10
10
13
16
18
19
20
21
21

Feels Like (°C)

25
25
24
23
22
20
19
18
17
17
16
15
13
12
10
9
10
13
16
18
19
20
21
21

Dew Point (°C)

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

Relative Humidity (%)

55
54
56
60
64
69
73
77
79
80
81
82
85
89
93
96
93
82
69
60
55
53
51
49

Pressure (mb)

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

Ozone (du)

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

Thursday 23

Waxing Gibbous 94%

18:56

03:43

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
14 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)

82
82
82
82
95
95
95
95
95
95
98
98
98
98
98
98
86
86
86
86
86
86
78
78

Low Clouds (% Sky Obscured)

30
30
30
30
20
20
20
20
20
20
0
0
0
0
0
0
23
23
23
23
23
23
9
9

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
3
3

High Clouds (% Sky Obscured)

74
74
74
74
95
95
95
95
95
95
98
98
98
98
98
98
81
81
81
81
81
81
76
76

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

Precipitation Probability (%)

4
8
8
4
0
4
5
6
4
3
0
0
2
2
4
5
6
6
5
0
8
13
18
20

Precipitation Amount (mm)

0.09
0.15
0.1
0.03
0
0.01
0.03
0.05
0.03
0.01
0
0
0.01
0.01
0.02
0.02
0.02
0.02
0.01
0
0.02
0.05
0.1
0.15

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
22
21
19
18
16
15
14
13
12
12
11
10
10
10
9
10
11
13
15
16
16
16
17

Feels Like (°C)

22
22
21
19
18
16
15
14
13
12
12
11
10
8
8
7
8
11
13
15
16
16
16
17

Dew Point (°C)

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

Relative Humidity (%)

49
51
54
59
62
65
68
71
74
76
77
79
80
82
84
86
84
78
68
62
59
58
57
53

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

313
316
318
321
324
328
333
339
346
353
358
360
360
358
357
354
352
352
352
352
353
353
353
353

Friday 24

Waxing Gibbous 98%

19:31

04:44

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
14 Bad

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)

78
78
78
78
77
77
77
77
77
77
93
93
93
93
93
93
96
96
96
96
96
96
89
89

Low Clouds (% Sky Obscured)

9
9
9
9
0
0
0
0
0
0
21
21
21
21
21
21
91
91
91
91
91
91
28
28

Medium Clouds (% Sky Obscured)

3
3
3
3
10
10
10
10
10
10
9
9
9
9
9
9
95
95
95
95
95
95
17
17

High Clouds (% Sky Obscured)

76
76
76
76
74
74
74
74
74
74
91
91
91
91
91
91
0
0
0
0
0
0
84
84

ISS Passover

Visibility (miles)

5
2
4
9
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

21
20
17
10
5
4
0
0
0
0
0
0
0
0
0
4
6
6
0
0
0
6
9
12

Precipitation Amount (mm)

0.2
0.22
0.14
0.05
0.02
0.01
0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0
0
0
0.02
0.03
0.05

Wind Speed/Direction (mph)

15
16
16
15
14
13
11
10
9
9
9
9
8
8
7
7
7
7
8
9
9
10
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
18
18
17
17
16
14
13
12
11
11
8
7
7
6
6
7
10
13
15
16
17
17
17

Dew Point (°C)

7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
8
8
8
8
8
8

Relative Humidity (%)

49
48
49
52
54
57
62
66
70
73
77
81
84
87
90
92
89
81
70
62
58
56
54
53

Pressure (mb)

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

Ozone (du)

351
350
351
352
352
351
349
346
342
337
333
329
324
321
319
319
318
318
317
317
317
317
317
318

Saturday 25

Waxing Gibbous 100%

20:00

05:48

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
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 06:10, Set: 20:08, Transit: 13:08. Moon - Rise: 20:00, Set: 05:48. Civil Dark: 20:44 - 05:35. Nautical Dark: 21:29 - 04:51. Astro Dark: 22:19 - 04:00

Total Clouds (% Sky Obscured)

89
89
89
89
8
8
8
8
8
8
100
100
100
100
100
100
56
56
56
56
56
56
55
55

Low Clouds (% Sky Obscured)

28
28
28
28
7
7
7
7
7
7
0
0
0
0
0
0
0
0
0
0
0
0
27
27

Medium Clouds (% Sky Obscured)

17
17
17
17
4
4
4
4
4
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

84
84
84
84
0
0
0
0
0
0
100
100
100
100
100
100
56
56
56
56
56
56
38
38

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

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
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

Precipitation Probability (%)

10
11
12
14
16
15
15
17
18
16
14
10
9
8
8
7
6
3
0
0
0
0
1
2

Precipitation Amount (mm)

0.06
0.07
0.08
0.09
0.09
0.09
0.08
0.07
0.08
0.09
0.1
0.09
0.06
0.04
0.03
0.02
0.02
0.01
0
0
0
0
0.01
0.02

Wind Speed/Direction (mph)

11
11
11
11
11
10
10
9
9
9
9
7
6
7
7
6
9
10
10
11
12
14
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
16
16
16
15
15
14
13
13
12
12
12
12
11
11
9
10
12
14
16
17
18
19
20

Dew Point (°C)

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

Relative Humidity (%)

53
54
55
57
59
62
68
72
76
80
83
86
89
92
94
95
89
80
68
60
55
50
47
45

Pressure (mb)

1018
1017
1017
1017
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014

Ozone (du)

319
320
321
321
321
321
320
320
320
321
321
320
319
318
317
317
317
317
318
318
317
316
315
314

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

Generated: 19/08/18 15:06:55. Forecast: 19/08/18 to 25/08/18. Timezone: UTC+1.00