Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 18

Waning Gibbous 94%

22:04

08:53

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

Sun - Rise: 06:10, Set: 20:32, Transit: 13:21. Moon - Rise: 22:04, Set: 08:53. Civil Dark: 21:07 - 05:35. Nautical Dark: 21:53 - 04:49. Astro Dark: 22:45 - 03:57

Total Clouds (% Sky Obscured)

49
95
100
68
52
24
37
39
39
39
44
39
38
41
42
51
38
31
29
36
33
43
64
73

Low Clouds (% Sky Obscured)

28
73
63
18
4
9
35
35
34
26
19
21
24
35
23
23
12
22
19
19
28
33
56
66

Medium Clouds (% Sky Obscured)

47
95
100
65
51
23
18
20
21
30
37
32
34
29
35
47
36
23
22
31
20
29
30
42

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

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 (%)

91
74
6
10
20
25
21
13
7
7
10
12
11
8
8
10
14
14
14
12
14
14
15
15

Precipitation Amount (mm)

0.13
0.21
0.01
0.03
0.16
0.27
0.19
0.08
0.04
0.04
0.09
0.12
0.09
0.06
0.05
0.07
0.09
0.11
0.13
0.14
0.16
0.14
0.13
0.13

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
10
10
10
10
10
10
11
11
11
11
11
11
11
10
9
9
10
10
10
10
10
10
10

Relative Humidity (%)

87
87
87
87
88
90
87
84
79
75
72
70
68
66
65
67
68
70
72
75
79
81
83
85

Pressure (mb)

1005
1005
1005
1005
1005
1005
1006
1006
1007
1007
1008
1008
1008
1009
1009
1010
1010
1010
1011
1011
1012
1012
1013
1013

Ozone (du)

329
330
332
339
347
351
349
343
339
339
342
344
344
345
345
346
346
346
346
346
346
346
347
347

Monday 19

Waning Gibbous 89%

22:22

09:58

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 OK
17 Bad
18 OK
19 OK
20 OK
21 Good
22 Good
23 Good
00 Good
01 Good

Sun - Rise: 06:12, Set: 20:30, Transit: 13:21. Moon - Rise: 22:22, Set: 09:58. Civil Dark: 21:05 - 05:36. Nautical Dark: 21:50 - 04:51. Astro Dark: 22:42 - 03:59

Total Clouds (% Sky Obscured)

77
40
49
54
86
34
49
70
52
42
46
45
41
43
40
51
25
16
16
11
12
16
19
14

Low Clouds (% Sky Obscured)

73
30
31
43
82
21
23
61
22
32
31
31
19
15
14
34
20
13
15
11
12
13
13
11

Medium Clouds (% Sky Obscured)

31
31
38
31
33
31
44
39
48
27
31
32
34
38
37
35
15
12
6
2
6
9
15
9

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

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
None

Precipitation Probability (%)

14
14
18
22
26
26
25
21
15
13
13
11
10
8
8
6
4
3
2
0
0
0
0
1

Precipitation Amount (mm)

0.11
0.1
0.13
0.17
0.23
0.27
0.24
0.19
0.16
0.15
0.16
0.18
0.14
0.1
0.08
0.05
0.03
0.02
0.01
0
0
0
0
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
13
13
12
12
13
14
14
15
16
16
17
17
17
16
16
15
14
13
12
12
12
11

Feels Like (°C)

13
13
13
13
12
12
13
14
14
15
16
16
17
17
17
16
16
15
14
13
12
12
12
11

Dew Point (°C)

10
11
11
11
11
11
11
11
11
11
11
11
11
11
11
10
10
9
9
9
9
9
9
9

Relative Humidity (%)

86
88
88
88
89
90
88
85
82
77
73
70
68
66
66
66
67
67
71
74
78
81
83
85

Pressure (mb)

1013
1013
1013
1014
1014
1015
1015
1016
1016
1017
1017
1018
1018
1018
1019
1019
1019
1020
1020
1020
1021
1021
1021
1022

Ozone (du)

346
344
343
342
342
342
342
341
341
341
341
342
341
341
340
340
340
341
341
341
342
344
345
346

Tuesday 20

Waning Gibbous 82%

22:41

11:03

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

Sun - Rise: 06:14, Set: 20:28, Transit: 13:21. Moon - Rise: 22:41, Set: 11:03. Civil Dark: 21:03 - 05:38. Nautical Dark: 21:48 - 04:53. Astro Dark: 22:39 - 04:02

Total Clouds (% Sky Obscured)

13
9
13
11
13
10
14
43
58
74
66
79
100
100
93
95
93
73
73
73
73
73
73
100

Low Clouds (% Sky Obscured)

9
7
11
8
7
9
12
41
36
50
58
79
98
100
93
88
74
31
31
31
31
31
31
10

Medium Clouds (% Sky Obscured)

9
5
5
8
11
7
11
2
0
2
1
0
0
0
0
0
0
0
0
0
0
0
0
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
34
50
16
0
94
0
0
42
77
61
61
61
61
61
61
100

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

Precipitation Probability (%)

3
3
4
6
8
9
7
0
0
4
5
5
5
7
9
7
3
3
2
0
0
0
1
2

Precipitation Amount (mm)

0.01
0.01
0.01
0.02
0.02
0.02
0.01
0
0
0.01
0.03
0.05
0.06
0.11
0.14
0.09
0.02
0.01
0.01
0
0
0
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
87
87
87
90
91
88
83
78
73
71
69
67
67
68
70
71
72
76
78
82
86
88
90

Pressure (mb)

1022
1022
1022
1022
1023
1023
1024
1024
1024
1025
1025
1025
1025
1025
1026
1026
1026
1026
1027
1027
1027
1027
1027
1027

Ozone (du)

345
343
341
340
338
337
337
338
338
338
339
339
339
338
338
336
334
332
331
330
330
330
330
331

Wednesday 21

Waning Gibbous 74%

23:01

12:09

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

Sun - Rise: 06:15, Set: 20:26, Transit: 13:20. Moon - Rise: 23:01, Set: 12:09. Civil Dark: 21:01 - 05:40. Nautical Dark: 21:45 - 04:55. Astro Dark: 22:36 - 04:05

Total Clouds (% Sky Obscured)

100
100
100
100
100
31
31
31
31
31
31
67
67
67
67
67
67
98
98
98
98
98
98
84

Low Clouds (% Sky Obscured)

10
10
10
10
10
31
31
31
31
31
31
38
38
38
38
38
38
55
55
55
55
55
55
6

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

100
100
100
100
100
0
0
0
0
0
0
53
53
53
53
53
53
97
97
97
97
97
97
83

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
93
94
95
99
99
92
88
84
81
80
78
70
68
68
69
69
69
71
75
78
80
83
85

Pressure (mb)

1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1027
1027
1027
1027
1026

Ozone (du)

332
333
334
337
341
341
337
330
325
324
324
324
325
325
325
323
321
320
319
319
318
317
315
314

Thursday 22

Waning Gibbous 64%

23:24

13:17

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
17 Bad
18 Bad
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Bad

Sun - Rise: 06:17, Set: 20:24, Transit: 13:20. Moon - Rise: 23:24, Set: 13:17. Civil Dark: 20:59 - 05:41. Nautical Dark: 21:43 - 04:57. Astro Dark: 22:33 - 04:07

Total Clouds (% Sky Obscured)

84
84
84
84
84
95
95
95
95
95
95
100
100
100
100
100
100
17
17
17
17
17
17
100

Low Clouds (% Sky Obscured)

6
6
6
6
6
93
93
93
93
93
93
100
100
100
100
100
100
17
17
17
17
17
17
100

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

83
83
83
83
83
69
69
69
69
69
69
47
47
47
47
47
47
0
0
0
0
0
0
52

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
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
None
None
None
None

Precipitation Probability (%)

0
0
0
3
4
6
7
8
9
10
11
11
8
5
3
2
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.01
0.03
0.07
0.1
0.13
0.14
0.14
0.15
0.15
0.1
0.04
0.02
0.01
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
7
7
7
8
9
10
11
10
9
8
8
7
7
7
6
5
4
2
1
1
1
2

Chance of Frost

Temperature (°C)

12
12
13
13
12
13
14
15
16
16
16
17
18
19
19
19
19
18
17
16
14
14
13
13

Feels Like (°C)

12
12
13
13
12
13
14
15
16
16
16
17
18
19
19
19
19
18
17
16
14
14
13
13

Dew Point (°C)

10
10
11
11
11
12
12
13
14
14
15
15
15
14
14
14
14
13
13
12
11
11
11
11

Relative Humidity (%)

87
87
88
89
92
93
91
90
89
90
89
86
82
77
74
73
73
72
75
78
82
84
85
87

Pressure (mb)

1026
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1027
1026

Ozone (du)

313
313
312
312
311
311
311
311
311
311
311
311
310
310
310
309
309
309
309
308
308
308
308
308

Friday 23

Third Quarter 54%

23:52

14:26

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
17 Bad
18 Bad
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good

Sun - Rise: 06:18, Set: 20:22, Transit: 13:20. Moon - Rise: 23:52, Set: 14:26. Civil Dark: 20:57 - 05:43. Nautical Dark: 21:40 - 04:59. Astro Dark: 22:30 - 04:10

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
62
62
62
62
62
62
16
16
16
16
16
16
0

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
62
62
62
62
62
62
0
0
0
0
0
0
0

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)

52
52
52
52
52
0
0
0
0
0
0
0
0
0
0
0
0
16
16
16
16
16
16
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
100
100
100
100
100
100
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
2
2
1
1
1
1
0
0
1
1
1
0
0
0
0
1
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

2
2
2
3
3
4
5
7
8
9
10
10
10
10
9
8
7
7
6
5
5
5
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
89
92
96
95
92
88
84
79
73
68
64
61
60
62
65
67
68
72
76
78
80
82

Pressure (mb)

1026
1025
1025
1024
1025
1025
1025
1025
1025
1025
1024
1024
1023
1023
1022
1022
1022
1021
1021
1021
1020
1020
1020
1020

Ozone (du)

307
307
306
306
306
305
305
304
304
303
303
302
302
302
302
302
301
301
301
301
301
301
301
301

Saturday 24

Waning Crescent 43%

00:27

15:36

02 Good
03 Good
04 Good
05 Good
06 Good
07 Bad
08 Bad
09 OK
10 OK
11 OK
12 OK
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

Sun - Rise: 06:20, Set: 20:19, Transit: 13:20. Moon - Rise: 00:27, Set: 15:36. Civil Dark: 20:54 - 05:45. Nautical Dark: 21:38 - 05:01. Astro Dark: 22:27 - 04:12

Total Clouds (% Sky Obscured)

0
0
0
0
0
45
45
45
45
45
45
63
63
63
63
63
63
99
99
99
99
99
99
91

Low Clouds (% Sky Obscured)

0
0
0
0
0
45
45
45
45
45
45
0
0
0
0
0
0
10
10
10
10
10
10
2

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
3
3
3
3
41

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
63
63
63
63
63
63
99
99
99
99
99
99
87

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
4
4
3
3
3
2
2
2
2
1
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
5
5
5
5
5
6
7
7
8
9
9
9
8
7
6
5
4
3
2
2
3
4
6

Chance of Frost

Temperature (°C)

14
14
14
14
14
15
16
18
19
20
21
22
23
23
22
22
21
20
19
18
17
16
15
14

Feels Like (°C)

14
14
14
14
14
15
16
18
19
20
21
22
23
23
22
22
21
20
19
18
17
16
15
14

Dew Point (°C)

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

Relative Humidity (%)

83
84
85
88
91
92
88
84
82
77
73
69
67
65
66
68
72
72
75
78
81
85
88
90

Pressure (mb)

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

Ozone (du)

301
302
302
302
302
301
301
300
299
300
302
304
304
305
306
309
312
314
315
316
316
317
319
321

Forecast for Upton Cross, Cornwall, UK (50.54,-4.43)

Generated: 18/08/19 02:11:33. Forecast: 18/08/19 to 24/08/19. Timezone: UTC+1.00