Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 18

Waning Crescent 7%

03:01

18:05

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

Sun - Rise: 06:00, Set: 20:23, Transit: 13:10. Moon - Rise: 03:01, Set: 18:05. Civil Dark: 20:59 - 05:23. Nautical Dark: 21:46 - 04:37. Astro Dark: 22:41 - 03:42

Total Clouds (% Sky Obscured)

34
67
70
72
83
66
48
52
83
89
95
94
38
15
5
5
5
2
1
1
6
13
10
26

Low Clouds (% Sky Obscured)

26
48
37
22
35
39
33
31
4
2
40
91
36
8
2
2
2
1
1
1
6
13
9
26

Medium Clouds (% Sky Obscured)

22
56
57
47
43
38
34
41
17
66
91
84
9
11
3
3
4
1
0
0
0
1
2
1

High Clouds (% Sky Obscured)

0
2
44
56
71
41
13
7
79
81
46
4
2
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

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

Precipitation Probability (%)

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

Precipitation Amount (mm)

0
2
0.19
0.09
0.12
0.13
0.1
0.05
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
10
9
9
9
9
8
9
9
9
9
9
10
10
10
10
9
9
9
9
9
9
10
10

Relative Humidity (%)

71
64
63
63
63
63
61
61
62
65
70
74
76
78
77
76
76
76
78
80
81
78
73
69

Pressure (mb)

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

Ozone (du)

348
354
359
363
367
367
362
354
349
347
348
349
348
347
347
347
347
347
347
348
348
348
347
347

Saturday 19

Waning Crescent 7%

04:11

18:56

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

Sun - Rise: 06:01, Set: 20:21, Transit: 13:10. Moon - Rise: 04:11, Set: 18:56. Civil Dark: 20:57 - 05:25. Nautical Dark: 21:44 - 04:39. Astro Dark: 22:38 - 03:45

Total Clouds (% Sky Obscured)

28
67
98
99
59
73
77
32
25
61
41
30
85
97
95
74
99
98
53
81
62
18
69
73

Low Clouds (% Sky Obscured)

28
67
98
99
58
73
77
16
19
14
5
8
9
17
6
6
2
2
3
6
10
13
26
55

Medium Clouds (% Sky Obscured)

2
6
19
76
7
9
27
31
22
13
6
6
1
1
1
9
5
0
0
0
0
0
0
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
54
37
23
84
97
95
73
99
98
52
80
57
6
59
40

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
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)

0.04
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)

16
17
18
17
17
18
13
10
15
14
12
11
9
9
9
8
8
8
7
7
6
6
7
7

Chance of Frost

Temperature (°C)

17
17
17
17
17
17
18
18
17
16
15
15
14
13
13
13
13
13
13
12
12
13
15
16

Feels Like (°C)

17
17
17
17
17
17
18
18
17
16
15
15
14
13
13
13
13
13
13
12
12
13
15
16

Dew Point (°C)

10
10
10
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
10
10
10

Relative Humidity (%)

65
62
61
61
60
59
58
58
60
62
65
69
73
76
77
77
78
79
81
83
83
79
73
68

Pressure (mb)

1018
1018
1018
1018
1019
1019
1019
1019
1020
1020
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1023
1023

Ozone (du)

348
348
347
341
334
328
324
321
319
318
318
318
317
316
314
313
311
309
307
305
303
302
301
299

Sunday 20

Waning Crescent 2%

05:26

19:39

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: 06:03, Set: 20:18, Transit: 13:10. Moon - Rise: 05:26, Set: 19:39. Civil Dark: 20:55 - 05:27. Nautical Dark: 21:41 - 04:41. Astro Dark: 22:35 - 03:48

Total Clouds (% Sky Obscured)

94
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)

85
32
9
76
6
61
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

73
100
100
100
100
100
100
100
100
93
77
100
100
99
83
11
59
5
23
86
91
91
91
91

High Clouds (% Sky Obscured)

2
9
1
59
31
19
42
95
83
9
52
2
3
0
2
35
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
100
100
0
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
1
6
18
21
22
23
23
22
20
17
7
2
1
1
1
2
1
0
0

Precipitation Amount (mm)

0
0
0
0
0
0.03
0.11
0.34
0.58
0.64
0.64
0.63
0.53
0.37
0.23
0.13
0.06
0.03
0.03
0.05
0.06
0.04
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
17
17
17
17
17
18
18
18
18
18
18
18
18
18
19
19
18
18
17
17
17
18
19

Feels Like (°C)

17
17
17
17
17
17
18
18
18
18
18
18
18
18
18
19
19
18
18
17
17
17
18
19

Dew Point (°C)

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

Relative Humidity (%)

65
65
66
68
69
69
70
72
73
74
75
76
77
78
78
78
79
81
83
86
89
88
86
83

Pressure (mb)

1023
1023
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1021
1021
1021
1021
1021

Ozone (du)

297
295
293
292
290
288
287
287
286
286
286
286
285
285
285
285
286
287
287
287
287
286
286
285

Monday 21

New Moon 0%

06:41

20:14

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

Sun - Rise: 06:04, Set: 20:16, Transit: 13:10. Moon - Rise: 06:41, Set: 20:14. Civil Dark: 20:53 - 05:28. Nautical Dark: 21:38 - 04:43. Astro Dark: 22:31 - 03:51

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
57
57
57
57
57
57
42
42
42
42
42
42
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
51
51
51
51
51
51
13
13
13
13
13
13
100
100
100
100

Medium Clouds (% Sky Obscured)

91
91
27
27
27
27
27
27
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
13
13
13
13
13
13
34
34
34
34
34
34
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

100
100
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
100
100
100
100

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
78
76
74
71
68
66
65
67
70
75
80
83
83
83
81
81
80
82
85
87
85
81
76

Pressure (mb)

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

Ozone (du)

284
284
283
283
283
282
282
282
282
283
283
283
284
284
284
283
283
283
283
283
284
284
283
283

Tuesday 22

Waxing Crescent 1%

07:56

20:44

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

Sun - Rise: 06:06, Set: 20:14, Transit: 13:09. Moon - Rise: 07:56, Set: 20:44. Civil Dark: 20:50 - 05:30. Nautical Dark: 21:36 - 04:45. Astro Dark: 22:28 - 03:53

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
38
38
38
38
38
38
98
98
98
98

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
81
81
81
81
81
81
28
28
28
28
28
28
28
28
28
28

Medium Clouds (% Sky Obscured)

0
0
6
6
6
6
6
6
57
57
57
57
57
57
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
85
85
85
85
85
85
100
100
100
100
100
100
16
16
16
16
16
16
98
98
98
98

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 (%)

100
100
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
1
1
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
0.03
0.04
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
9
10
11
12
12
12
11
10
9
8
7
6
6
6
6
7
9
9
9
9
9
10
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
70
68
66
63
60
58
58
60
64
70
76
80
83
83
82
80
79
80
83
84
81
76
70

Pressure (mb)

1016
1016
1015
1014
1014
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1012
1012
1012
1012
1013
1013

Ozone (du)

283
283
283
283
283
284
284
285
286
286
287
287
288
289
289
290
290
292
294
297
301
304
307
309

Wednesday 23

Waxing Crescent 4%

09:08

21:10

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: 06:08, Set: 20:12, Transit: 13:09. Moon - Rise: 09:08, Set: 21:10. Civil Dark: 20:48 - 05:32. Nautical Dark: 21:33 - 04:47. Astro Dark: 22:25 - 03:56

Total Clouds (% Sky Obscured)

98
98
100
100
100
100
100
100
98
98
98
98
98
98
97
97
97
97
97
97
61
61
61
61

Low Clouds (% Sky Obscured)

28
28
100
100
100
100
100
100
95
95
95
95
95
95
13
13
13
13
13
13
1
1
1
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
2
2
46
46
46
46

High Clouds (% Sky Obscured)

98
98
69
69
69
69
69
69
68
68
68
68
68
68
97
97
97
97
97
97
48
48
48
48

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 (%)

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)

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

Chance of Frost

Temperature (°C)

19
19
20
20
20
20
20
20
19
18
17
16
16
15
15
15
15
15
15
14
14
15
16
17

Feels Like (°C)

19
19
20
20
20
20
20
20
19
18
17
16
16
15
15
15
15
15
15
14
14
15
16
17

Dew Point (°C)

13
13
13
13
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12

Relative Humidity (%)

67
65
65
64
63
61
60
60
62
66
71
76
79
82
83
82
82
83
85
88
89
86
80
75

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015

Ozone (du)

311
312
312
310
307
304
303
302
302
302
302
302
304
307
309
310
311
312
312
313
313
312
311
310

Thursday 24

Waxing Crescent 10%

10:18

21:34

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

Sun - Rise: 06:09, Set: 20:10, Transit: 13:09. Moon - Rise: 10:18, Set: 21:34. Civil Dark: 20:46 - 05:34. Nautical Dark: 21:31 - 04:49. Astro Dark: 22:22 - 03:59

Total Clouds (% Sky Obscured)

61
61
99
99
99
99
99
99
95
95
95
95
95
95
2
2
2
2
2
2
82
82
82
82

Low Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
4
4
4
4
4
4
0
0
0
0
0
0
1
1
1
1

Medium Clouds (% Sky Obscured)

46
46
86
86
86
86
86
86
0
0
0
0
0
0
2
2
2
2
2
2
16
16
16
16

High Clouds (% Sky Obscured)

48
48
98
98
98
98
98
98
95
95
95
95
95
95
0
0
0
0
0
0
80
80
80
80

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 (%)

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)

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

Chance of Frost

Temperature (°C)

18
18
18
19
19
20
20
20
19
19
17
16
16
15
15
15
15
14
14
13
13
14
15
17

Feels Like (°C)

18
18
18
19
19
20
20
20
19
19
17
16
16
15
15
15
15
14
14
13
13
14
15
17

Dew Point (°C)

12
12
12
12
12
12
12
12
12
12
12
11
11
12
12
12
11
11
11
11
11
12
12
12

Relative Humidity (%)

72
70
69
67
64
61
60
61
63
65
69
73
76
78
80
80
80
81
85
89
91
87
80
73

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1017
1017
1017
1017
1017
1017
1016
1016
1017
1017
1017
1017
1017

Ozone (du)

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

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

Generated: 18/08/17 11:40:58. Forecast: 18/08/17 to 24/08/17. Timezone: UTC+1.00