Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 18

First Quarter 55%

15:24

23:54

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

Sun - Rise: 05:54, Set: 20:16, Transit: 13:04. Moon - Rise: 15:24, Set: 23:54. Civil Dark: 20:52 - 05:18. Nautical Dark: 21:38 - 04:32. Astro Dark: 22:32 - 03:39

Total Clouds (% Sky Obscured)

70
16
39
20
81
76
71
56
59
54
42
42
100
100
92
89
100
91
95
100
100
100
100
100

Low Clouds (% Sky Obscured)

18
2
3
7
81
76
41
21
16
14
24
41
100
100
92
89
100
90
95
100
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
24
16
9
0
0
0
0
0

High Clouds (% Sky Obscured)

64
14
37
16
0
0
50
43
51
46
24
1
0
0
4
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
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
10
10
9
8
8
7
7
7
8
8
8
9
9
10
12
14
15
16
18
17
17
16
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
66
67
71
78
84
86
87
88
90
90
89
89
90
89
83
76
73
73
75
78
77
74
72

Pressure (mb)

1021
1021
1021
1021
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1019
1019
1019

Ozone (du)

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

Sunday 19

Waxing Gibbous 65%

16:24

00:27

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

Sun - Rise: 05:56, Set: 20:14, Transit: 13:04. Moon - Rise: 16:24, Set: 00:27. Civil Dark: 20:50 - 05:19. Nautical Dark: 21:36 - 04:34. Astro Dark: 22:29 - 03:41

Total Clouds (% Sky Obscured)

95
63
28
18
20
22
20
27
36
38
31
31
6
43
100
100
100
100
100
100
98
77
100
96

Low Clouds (% Sky Obscured)

95
53
16
18
20
22
20
27
36
38
31
31
6
43
100
100
100
100
100
100
98
77
100
95

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
8
77

High Clouds (% Sky Obscured)

0
22
14
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
12
10
9
8
8
7
6
6
6
6
6
5
5
5
5
6
6
7
7
7
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
69
69
70
72
74
76
79
82
84
87
89
91
93
92
87
81
75
72
72
68
64
60
60

Pressure (mb)

1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1020
1020

Ozone (du)

301
302
303
305
308
309
309
308
307
306
305
305
304
304
303
302
300
299
298
297
297
297
297
297

Monday 20

Waxing Gibbous 74%

No Rise

01:06

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

Sun - Rise: 05:57, Set: 20:12, Transit: 13:03. Moon - Rise: No Rise, Set: 01:06. Civil Dark: 20:48 - 05:21. Nautical Dark: 21:33 - 04:36. Astro Dark: 22:26 - 03:44

Total Clouds (% Sky Obscured)

66
64
49
41
38
27
16
30
72
98
100
100
100
100
99
99
99
99
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

56
30
22
26
34
24
15
30
72
98
100
100
100
100
99
99
99
99
99
99
100
100
100
100

Medium Clouds (% Sky Obscured)

51
57
43
32
23
20
9
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
0
0
0
0
1
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 (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
63
66
72
77
81
84
86
88
90
90
91
92
94
92
89
84
80
75
69
65
63
61
60

Pressure (mb)

1020
1020
1020
1020
1020
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019

Ozone (du)

296
296
295
295
295
295
295
295
296
296
296
296
296
296
296
296
296
296
296
296
296
296
297
297

Tuesday 21

Waxing Gibbous 82%

17:19

01:50

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

Sun - Rise: 05:59, Set: 20:09, Transit: 13:03. Moon - Rise: 17:19, Set: 01:50. Civil Dark: 20:45 - 05:23. Nautical Dark: 21:31 - 04:38. Astro Dark: 22:22 - 03:47

Total Clouds (% Sky Obscured)

100
100
64
64
64
64
64
64
0
0
0
0
0
0
4
4
4
4
4
4
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
64
64
64
64
64
64
0
0
0
0
0
0
4
4
4
4
4
4
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
18
18
18
18

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)

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

Chance of Frost

Temperature (°C)

24
24
23
23
22
20
19
19
19
18
18
17
16
16
16
18
20
22
23
24
25
25
26
26

Feels Like (°C)

24
24
23
24
22
20
19
19
19
18
18
17
17
16
17
18
20
22
23
24
25
25
26
26

Dew Point (°C)

16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
17
17
17
17
17
17
16

Relative Humidity (%)

60
61
64
63
70
75
79
81
83
85
88
91
94
98
96
88
80
74
69
65
61
59
57
57

Pressure (mb)

1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1017
1017

Ozone (du)

298
299
300
301
301
302
302
303
304
304
304
304
304
303
303
303
303
304
304
304
304
304
304
304

Wednesday 22

Waxing Gibbous 89%

18:07

02:41

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
15 Bad
16 Bad

Sun - Rise: 06:00, Set: 20:07, Transit: 13:03. Moon - Rise: 18:07, Set: 02:41. Civil Dark: 20:43 - 05:25. Nautical Dark: 21:28 - 04:40. Astro Dark: 22:19 - 03:49

Total Clouds (% Sky Obscured)

100
100
88
88
88
88
88
88
99
99
99
99
99
99
81
81
81
81
81
81
84
84
84
84

Low Clouds (% Sky Obscured)

100
100
88
88
88
88
88
88
91
91
91
91
91
91
27
27
27
27
27
27
73
73
73
73

Medium Clouds (% Sky Obscured)

0
0
6
6
6
6
6
6
0
0
0
0
0
0
11
11
11
11
11
11
60
60
60
60

High Clouds (% Sky Obscured)

18
18
1
1
1
1
1
1
91
91
91
91
91
91
73
73
73
73
73
73
1
1
1
1

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
10
0
6
15
23
22
18
12
7

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0
0.01
0.05
0.22
0.37
0.3
0.16
0.07

Wind Speed/Direction (mph)

10
9
9
8
7
7
6
6
6
5
5
5
6
6
7
9
10
12
13
13
14
12
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
59
62
67
74
80
85
87
88
90
93
94
95
96
93
87
82
79
80
81
79
73
67
61

Pressure (mb)

1017
1016
1016
1016
1016
1016
1016
1016
1015
1015
1014
1014
1013
1013
1013
1012
1012
1012
1012
1011
1011
1011
1011
1010

Ozone (du)

303
302
302
302
302
302
302
302
303
304
305
307
307
307
307
308
308
309
309
310
310
310
310
312

Thursday 23

Waxing Gibbous 94%

18:48

03:38

17 Bad
18 Bad
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
02 Good
03 Good
04 OK
05 OK
06 OK
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: 20:05, Transit: 13:03. Moon - Rise: 18:48, Set: 03:38. Civil Dark: 20:41 - 05:26. Nautical Dark: 21:25 - 04:42. Astro Dark: 22:16 - 03:52

Total Clouds (% Sky Obscured)

84
84
38
38
38
38
38
38
20
20
20
20
20
20
100
100
100
100
100
100
78
78
78
78

Low Clouds (% Sky Obscured)

73
73
3
3
3
3
3
3
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

60
60
37
37
37
37
37
37
1
1
1
1
1
1
0
0
0
0
0
0
6
6
6
6

High Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
20
20
20
20
20
20
100
100
100
100
100
100
77
77
77
77

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
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 (%)

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

Precipitation Amount (mm)

0.04
0.02
0.01
0.01
0
0
0
0
0
0
0
0.01
0.02
0.05
0.07
0.04
0.01
0
0
0
0
0
0.01
0.01

Wind Speed/Direction (mph)

12
12
12
12
12
12
11
11
10
10
9
9
7
8
9
8
7
11
11
12
13
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
12
10
10
9
9
8
7
7
6
7
7
7
7
8
8
8
8
7
7
7
7
7
7

Relative Humidity (%)

57
53
52
53
57
60
62
62
63
67
72
78
83
87
85
78
68
62
56
52
49
50
52
54

Pressure (mb)

1010
1010
1011
1011
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013

Ozone (du)

315
321
326
331
336
340
345
349
351
347
341
336
333
332
331
332
333
335
335
335
336
337
338
340

Friday 24

Waxing Gibbous 98%

19:23

04:39

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

Sun - Rise: 06:03, Set: 20:03, Transit: 13:02. Moon - Rise: 19:23, Set: 04:39. Civil Dark: 20:39 - 05:28. Nautical Dark: 21:23 - 04:44. Astro Dark: 22:13 - 03:54

Total Clouds (% Sky Obscured)

78
78
34
34
34
34
34
34
97
97
97
97
97
97
0
0
0
0
0
0
99
99
99
99

Low Clouds (% Sky Obscured)

0
0
2
2
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
97
97
97
97

Medium Clouds (% Sky Obscured)

6
6
20
20
20
20
20
20
48
48
48
48
48
48
0
0
0
0
0
0
99
99
99
99

High Clouds (% Sky Obscured)

77
77
17
17
17
17
17
17
97
97
97
97
97
97
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
8
5
4
4
6
8
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
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
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

5
6
8
12
13
16
17
17
18
32
44
47
39
35
35
30
19
18
25
27
27
21
10
6

Precipitation Amount (mm)

0.01
0.02
0.03
0.03
0.03
0.04
0.04
0.04
0.05
0.12
0.29
0.45
0.53
0.55
0.46
0.25
0.11
0.15
0.24
0.38
0.43
0.24
0.07
0.04

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
55
55
56
59
62
66
70
74
78
83
88
92
95
93
85
75
69
68
68
68
65
60
56

Pressure (mb)

1013
1012
1012
1012
1013
1013
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1011
1011
1011

Ozone (du)

342
344
347
350
353
355
355
355
355
355
354
355
357
360
362
363
362
359
355
349
344
341
340
339

Forecast for Crawley, West Sussex, UK (51.11,-0.19)

Generated: 18/08/18 17:40:58. Forecast: 18/08/18 to 24/08/18. Timezone: UTC+1.00