Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 18

First Quarter 55%

15:33

23:53

17 Bad
18 Good
19 OK
20 Good
21 Good
22 OK
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
15 Bad
16 Bad

Sun - Rise: 05:54, Set: 20:22, Transit: 13:07. Moon - Rise: 15:33, Set: 23:53. Civil Dark: 21:00 - 05:16. Nautical Dark: 21:48 - 04:28. Astro Dark: 22:46 - 03:31

Total Clouds (% Sky Obscured)

84
13
24
14
6
34
93
91
87
99
100
100
100
100
85
100
96
100
100
100
100
91
98
100

Low Clouds (% Sky Obscured)

77
9
16
4
3
2
2
2
19
95
100
100
100
100
85
100
96
100
100
100
99
91
98
100

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
8
74
78
86
23
13
16
9
0
5
1
2
4
9
6
1
0
0

High Clouds (% Sky Obscured)

34
5
10
11
3
33
93
90
31
0
4
6
2
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
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

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

Precipitation Probability (%)

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

Precipitation Amount (mm)

0
0
0
0
0
0.01
0
0
0
0
0.01
0.01
0.01
0.01
0.02
0.01
0.02
0.02
0.02
0.02
0.03
0.02
0.02
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
62
64
70
76
82
86
89
90
91
92
92
91
91
89
88
85
84
82
83
83
80
75
71

Pressure (mb)

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

Ozone (du)

309
307
304
303
302
302
301
300
300
301
302
303
303
301
301
301
302
303
303
304
304
304
305
305

Sunday 19

Waxing Gibbous 65%

16:34

00:25

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 OK
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 05:55, Set: 20:20, Transit: 13:07. Moon - Rise: 16:34, Set: 00:25. Civil Dark: 20:58 - 05:18. Nautical Dark: 21:46 - 04:30. Astro Dark: 22:43 - 03:34

Total Clouds (% Sky Obscured)

98
86
98
94
82
98
100
99
95
100
95
97
43
66
98
98
73
92
64
92
65
87
60
64

Low Clouds (% Sky Obscured)

98
86
98
94
82
98
100
99
95
100
95
97
43
66
98
98
73
90
62
92
64
77
43
26

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
16
6
14
79
56
56

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
17
3
0
0
0
0
12

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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
12
11
10
9
9
8
7
7
6
5
5
4
4
4
5
6
6
7
7
7
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
69
70
73
77
81
84
88
90
92
94
96
96
96
94
87
81
77
74
73
71
67
63
61

Pressure (mb)

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

Ozone (du)

307
308
309
309
307
306
305
304
303
302
301
300
298
297
296
296
296
296
295
294
294
294
294
294

Monday 20

Waxing Gibbous 74%

No Rise

01:03

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

Sun - Rise: 05:57, Set: 20:18, Transit: 13:07. Moon - Rise: No Rise, Set: 01:03. Civil Dark: 20:56 - 05:20. Nautical Dark: 21:43 - 04:33. Astro Dark: 22:39 - 03:37

Total Clouds (% Sky Obscured)

80
86
59
54
48
43
20
20
28
31
28
38
39
53
59
59
59
59
59
59
79
79
79
79

Low Clouds (% Sky Obscured)

40
41
33
36
29
22
19
20
22
26
28
31
39
53
49
49
49
49
49
49
79
79
79
79

Medium Clouds (% Sky Obscured)

37
16
3
1
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
0
0
0
0

High Clouds (% Sky Obscured)

60
76
39
29
26
27
1
0
9
6
0
10
0
0
18
18
18
18
18
18
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
2
1
2
2
2
2
1
0
0
1
1
2
3
3
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15

Relative Humidity (%)

60
61
64
70
75
80
84
86
88
90
91
93
94
96
94
89
82
75
69
65
61
59
57
57

Pressure (mb)

1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1019
1019
1019
1019
1020
1020
1020
1020
1019
1019
1019
1018
1018
1017

Ozone (du)

294
294
294
294
294
294
294
294
293
293
293
293
293
292
292
293
293
293
293
294
294
295
295
295

Tuesday 21

Waxing Gibbous 82%

17:28

01:47

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

Sun - Rise: 05:59, Set: 20:16, Transit: 13:06. Moon - Rise: 17:28, Set: 01:47. Civil Dark: 20:53 - 05:22. Nautical Dark: 21:40 - 04:35. Astro Dark: 22:36 - 03:40

Total Clouds (% Sky Obscured)

79
79
30
30
30
30
30
30
0
0
0
0
0
0
100
100
100
100
100
100
97
97
97
97

Low Clouds (% Sky Obscured)

79
79
30
30
30
30
30
30
0
0
0
0
0
0
100
100
100
100
100
100
81
81
81
81

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
52
52
52
52
52
52
81
81
81
81

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
2
2
3
2
0
0
0
0
0
2
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0.01
0
0
0
0
0
0.01
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
60
62
65
72
79
84
88
90
92
93
95
96
99
96
89
81
75
71
68
64
60
57
56

Pressure (mb)

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

Ozone (du)

296
296
297
298
300
301
302
301
301
301
301
300
300
300
299
298
297
297
296
296
296
296
296
297

Wednesday 22

Waxing Gibbous 89%

18:16

02:39

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

Sun - Rise: 06:00, Set: 20:14, Transit: 13:06. Moon - Rise: 18:16, Set: 02:39. Civil Dark: 20:51 - 05:24. Nautical Dark: 21:38 - 04:37. Astro Dark: 22:32 - 03:43

Total Clouds (% Sky Obscured)

97
97
0
0
0
0
0
0
20
20
20
20
20
20
97
97
97
97
97
97
0
0
0
0

Low Clouds (% Sky Obscured)

81
81
0
0
0
0
0
0
20
20
20
20
20
20
97
97
97
97
97
97
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
21
21
21
21
21
21
0
0
0
0

High Clouds (% Sky Obscured)

81
81
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
8
6
4
2
1
1
1
5
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
1
1
1
0
0
0
0
0
0
7
10
19
36
56
64
63
55
38
27
13
11
11
11

Precipitation Amount (mm)

0
0.01
0.01
0.01
0
0
0
0
0
0
0.01
0.01
0.05
0.26
0.61
1.17
2.04
2.47
1.65
0.6
0.17
0.08
0.07
0.06

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
60
64
68
74
79
81
82
83
84
84
85
88
91
93
94
94
93
92
88
82
75
69
66

Pressure (mb)

1016
1015
1015
1015
1015
1015
1015
1014
1014
1013
1012
1012
1011
1011
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009

Ozone (du)

298
300
301
301
299
299
302
305
308
307
305
303
302
302
303
305
307
309
309
309
311
315
322
328

Thursday 23

Waxing Gibbous 94%

18:57

03:36

17 Good
18 Good
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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:02, Set: 20:12, Transit: 13:06. Moon - Rise: 18:57, Set: 03:36. Civil Dark: 20:48 - 05:25. Nautical Dark: 21:35 - 04:39. Astro Dark: 22:29 - 03:46

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
92
92
92
92
92
92
100
100
100
100
100
100
62
62
62
62

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
4
4
4
4
4
61
61
61
61

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
95
95
95
95
95
95
16
16
16
16

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
92
92
92
92
92
92
100
100
100
100
100
100
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
7
6

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

Precipitation Probability (%)

11
10
8
7
5
5
3
0
0
0
0
3
0
0
0
0
5
6
5
5
5
5
6
9

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
17
16
14
13
12
11
11
11
10
8
6
6
5
6
7
12
13
14
15
15
16
16
16

Dew Point (°C)

12
11
10
9
8
7
7
7
7
7
7
7
7
7
7
7
7
8
8
7
7
7
7
7

Relative Humidity (%)

67
70
71
72
73
74
75
77
78
80
84
87
91
92
89
82
75
70
65
62
58
56
55
56

Pressure (mb)

1009
1010
1010
1010
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011

Ozone (du)

333
339
343
346
348
350
351
352
352
349
346
343
341
339
338
337
338
339
341
343
346
348
350
352

Friday 24

Waxing Gibbous 98%

19:31

04:37

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 OK
10 OK
11 OK
12 OK
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:04, Set: 20:09, Transit: 13:05. Moon - Rise: 19:31, Set: 04:37. Civil Dark: 20:46 - 05:27. Nautical Dark: 21:32 - 04:41. Astro Dark: 22:26 - 03:49

Total Clouds (% Sky Obscured)

62
62
71
71
71
71
71
71
63
63
63
63
63
63
6
6
6
6
6
6
100
100
100
100

Low Clouds (% Sky Obscured)

61
61
4
4
4
4
4
4
2
2
2
2
2
2
6
6
6
6
6
6
100
100
100
100

Medium Clouds (% Sky Obscured)

16
16
3
3
3
3
3
3
54
54
54
54
54
54
0
0
0
0
0
0
55
55
55
55

High Clouds (% Sky Obscured)

0
0
70
70
70
70
70
70
41
41
41
41
41
41
0
0
0
0
0
0
98
98
98
98

ISS Passover

Visibility (miles)

7
10
10
10
10
10
10
10
10
10
10
8
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

17
21
23
24
25
25
28
37
45
43
37
35
37
42
38
34
23
18
14
10
10
9
8
6

Precipitation Amount (mm)

0.08
0.14
0.17
0.16
0.13
0.1
0.09
0.14
0.19
0.12
0.08
0.12
0.13
0.23
0.34
0.3
0.19
0.11
0.07
0.05
0.05
0.07
0.08
0.07

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
14
14
13
12
11
10
10
7
7
7
7
6
5
6
7
11
12
13
14
15
16
17
17

Dew Point (°C)

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

Relative Humidity (%)

58
62
65
68
73
77
82
86
89
91
94
97
100
100
96
91
85
81
76
71
65
61
57
55

Pressure (mb)

1011
1011
1011
1011
1011
1011
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1011
1011
1011

Ozone (du)

353
355
356
355
354
353
354
356
358
358
358
358
360
362
363
364
364
363
360
355
351
348
345
342

Forecast for Sibbertoft, Northamptonshire, UK (52.44,-1.00)

Generated: 18/08/18 17:41:01. Forecast: 18/08/18 to 24/08/18. Timezone: UTC+1.00