Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 20

First Quarter 56%

15:48

23:11

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

Sun - Rise: 06:19, Set: 20:29, Transit: 13:23. Moon - Rise: 15:48, Set: 23:11. Civil Dark: 21:04 - 05:44. Nautical Dark: 21:48 - 05:01. Astro Dark: 22:38 - 04:11

Total Clouds (% Sky Obscured)

58
58
59
66
60
47
41
37
36
48
63
71
55
11
21
26
35
37
41
49
62
68
64
71

Low Clouds (% Sky Obscured)

58
58
59
61
55
47
41
37
36
46
53
64
41
11
21
26
35
37
39
48
49
48
54
46

Medium Clouds (% Sky Obscured)

0
0
22
20
20
0
0
0
0
0
0
0
0
0
0
0
0
0
6
14
21
28
25
27

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)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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 (%)

29
25
1
27
19
23
13
15
10
15
12
17
18
14
17
27
19
17
13
13
26
36
43
49

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)

14
14
15
17
17
18
18
17
16
16
16
15
15
13
10
8
8
8
8
8
8
8
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
77
77
69
66
66
67
65
65
68
66
63
65
73
83
86
86
86
84
84
83
83
83
83

Pressure (mb)

1007
1008
1008
1008
1009
1009
1010
1010
1010
1010
1011
1011
1011
1011
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

341
342
343
343
342
341
340
341
343
342
341
341
340
340
339
339
340
341
344
345
346
345
348
349

Friday 21

Waxing Gibbous 66%

16:52

23:51

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

Sun - Rise: 06:21, Set: 20:27, Transit: 13:23. Moon - Rise: 16:52, Set: 23:51. Civil Dark: 21:02 - 05:46. Nautical Dark: 21:46 - 05:03. Astro Dark: 22:35 - 04:14

Total Clouds (% Sky Obscured)

77
83
83
84
89
85
82
86
80
73
71
38
30
18
9
2
9
1
7
10
24
24
3
54

Low Clouds (% Sky Obscured)

54
52
57
64
68
65
57
67
63
58
56
28
13
0
0
0
9
0
0
0
0
0
0
29

Medium Clouds (% Sky Obscured)

19
33
79
84
87
85
82
84
22
10
10
11
10
7
4
1
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
52
60
60
48
33
2
0
0
0
0
0
0
0
0
0
1
7
10
24
24
3
54

ISS Passover

Visibility (miles)

9
9
7
4
2
4
8
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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

Precipitation Probability (%)

53
86
95
95
95
65
43
33
22
8
3
1
1
0
0
0
0
0
1
1
1
1
2
3

Precipitation Amount (mm)

0
0
0.4
0.7
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
11
12
12
13
14
15
15
15
14
14
13
11
9
8
8
7
6
6
6
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
12
12
13
12
12
12
11
12
12
12
13
13
13
12
13
13
13
12
13
13
12
11

Dew Point (°C)

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

Relative Humidity (%)

83
78
80
84
84
80
78
74
66
59
56
56
58
63
69
70
73
76
79
80
79
80
80
81

Pressure (mb)

1014
1014
1015
1015
1016
1016
1016
1017
1017
1017
1017
1018
1018
1018
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

351
351
350
348
350
352
353
354
356
358
360
360
360
360
358
355
352
351
348
349
348
349
349
348

Saturday 22

Waxing Gibbous 75%

17:46

00:43

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

Sun - Rise: 06:22, Set: 20:25, Transit: 13:23. Moon - Rise: 17:46, Set: 00:43. Civil Dark: 21:00 - 05:48. Nautical Dark: 21:43 - 05:05. Astro Dark: 22:32 - 04:16

Total Clouds (% Sky Obscured)

35
54
62
54
50
67
67
92
88
94
93
95
91
100
100
78
100
100
95
90
85
75
64
37

Low Clouds (% Sky Obscured)

35
38
47
48
34
44
28
18
0
0
0
0
0
0
3
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
3
3
0
0
0
0
0
0
0
0
0
0
0
0
7
11
17
15
13
10

High Clouds (% Sky Obscured)

7
45
50
38
48
49
61
90
88
94
93
95
91
100
100
78
100
100
93
86
76
61
46
9

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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 (%)

6
7
7
6
7
6
4
5
3
2
4
0
0
0
0
0
0
0
0
0
0
2
2
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
74
67
60
53
51
50
49
51
53
53
54
58
69
78
78
76
73
70
69
69
70
71
74

Pressure (mb)

1021
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

347
345
345
343
341
339
338
337
336
336
336
337
339
339
340
341
342
344
347
347
348
349
352
355

Sunday 23

Waxing Gibbous 83%

18:29

01:45

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 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:24, Set: 20:23, Transit: 13:23. Moon - Rise: 18:29, Set: 01:45. Civil Dark: 20:58 - 05:49. Nautical Dark: 21:41 - 05:06. Astro Dark: 22:29 - 04:18

Total Clouds (% Sky Obscured)

56
73
90
81
68
57
62
71
79
81
82
84
88
92
95
95
91
91
91
98
95
91
93
94

Low Clouds (% Sky Obscured)

12
24
36
36
36
37
29
24
17
12
7
2
1
1
0
2
4
6
17
30
40
39
40
41

Medium Clouds (% Sky Obscured)

8
6
4
6
7
8
13
18
22
26
26
25
22
20
17
21
24
33
34
29
34
32
36
35

High Clouds (% Sky Obscured)

31
60
85
58
31
4
15
25
36
32
30
26
47
66
91
90
91
91
91
98
94
75
66
53

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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
1
3
7
8
3
12
13
10
18
24
32

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
62
51
46
44
43
42
42
40
41
43
47
52
62
68
67
65
63
60
60
61
66
69
72

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1022
1022
1022
1021
1021
1021
1021
1020
1019
1019
1018
1018
1017
1016

Ozone (du)

356
354
353
351
349
348
347
347
348
347
346
344
343
341
338
335
333
331
329
329
330
330
329
329

Monday 24

Waxing Gibbous 90%

19:02

02:55

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 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:25, Set: 20:21, Transit: 13:22. Moon - Rise: 19:02, Set: 02:55. Civil Dark: 20:55 - 05:51. Nautical Dark: 21:38 - 05:08. Astro Dark: 22:27 - 04:21

Total Clouds (% Sky Obscured)

98
98
97
98
99
100
100
100
100
99
99
96
94
94
94
94
93
92
95
97
100
100
100
100

Low Clouds (% Sky Obscured)

52
63
76
69
61
54
56
57
56
59
65
67
33
67
94
94
88
82
82
81
81
71
62
52

Medium Clouds (% Sky Obscured)

27
26
29
81
73
12
18
34
96
93
86
13
36
55
73
81
88
92
91
91
92
84
75
66

High Clouds (% Sky Obscured)

62
57
54
72
87
100
100
100
100
50
73
74
67
40
17
20
23
35
60
82
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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
Very Light Rain
None

Precipitation Probability (%)

30
27
18
23
20
18
16
11
1
7
5
1
11
12
10
14
13
9
25
26
12
35
46
47

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
0.2
0

Wind Speed/Direction (mph)

16
18
19
21
23
24
25
25
25
25
24
22
21
14
14
15
16
16
18
19
19
19
19
19

Chance of Frost

Temperature (°C)

16
16
17
18
19
20
20
20
20
20
20
20
19
19
19
18
18
18
18
18
18
18
17
17

Feels Like (°C)

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

Dew Point (°C)

11
12
12
10
8
7
7
8
8
8
7
8
8
8
9
9
10
10
11
12
13
14
14
15

Relative Humidity (%)

73
73
70
58
48
43
42
44
45
46
44
45
47
49
52
54
56
59
62
67
74
81
82
86

Pressure (mb)

1016
1015
1015
1014
1014
1013
1013
1013
1012
1011
1011
1010
1010
1009
1009
1008
1008
1007
1007
1006
1006
1005
1005
1005

Ozone (du)

331
330
329
329
328
328
328
327
326
326
325
324
323
322
322
322
323
324
325
325
326
327
328
329

Tuesday 25

Waxing Gibbous 95%

19:27

04:09

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 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:27, Set: 20:19, Transit: 13:22. Moon - Rise: 19:27, Set: 04:09. Civil Dark: 20:53 - 05:53. Nautical Dark: 21:36 - 05:10. Astro Dark: 22:24 - 04:23

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
99
100
97
100
97
100
100
100
99
74
53
30
34
38
42

Low Clouds (% Sky Obscured)

59
62
65
51
43
31
50
69
88
86
83
80
74
67
57
55
53
50
41
32
23
27
30
34

Medium Clouds (% Sky Obscured)

52
39
30
46
60
75
76
79
79
63
48
28
14
6
0
8
18
29
45
53
30
34
38
42

High Clouds (% Sky Obscured)

100
100
100
95
94
93
94
91
89
80
68
55
62
69
76
82
87
90
64
37
9
9
8
7

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

37
29
15
26
35
44
58
68
68
73
75
67
57
41
15
17
18
14
27
36
42
49
52
54

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.3
0.2
0.3
0.4
0.3
0.2
0
0
0
0
0
0
0
0
0
0.2
0.2

Wind Speed/Direction (mph)

19
17
15
15
15
14
14
14
14
15
14
15
15
12
10
10
9
8
8
8
9
9
10
10

Chance of Frost

Temperature (°C)

17
18
19
20
20
20
20
20
20
19
19
19
19
18
18
17
17
17
16
16
16
16
16
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
83
81
77
76
77
76
79
81
84
86
88
91
92
93
93
95
95
93
93
93
92
92
90

Pressure (mb)

1004
1005
1005
1005
1005
1005
1005
1005
1005
1004
1004
1004
1004
1005
1006
1007
1007
1007
1008
1008
1008
1008
1008
1008

Ozone (du)

330
329
329
328
328
327
327
329
331
333
332
330
328
328
328
328
329
329
330
330
331
332
333
334

Wednesday 26

Waxing Gibbous 99%

19:46

05:24

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 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:28, Set: 20:17, Transit: 13:22. Moon - Rise: 19:46, Set: 05:24. Civil Dark: 20:51 - 05:54. Nautical Dark: 21:34 - 05:12. Astro Dark: 22:21 - 04:25

Total Clouds (% Sky Obscured)

52
62
72
69
66
63
69
75
77
79
81
83
87
90
94
96
98
100

Low Clouds (% Sky Obscured)

39
43
47
46
45
43
47
52
56
60
64
64
65
66
64
64
61
55

Medium Clouds (% Sky Obscured)

50
30
13
23
33
41
33
25
19
16
23
26
24
18
21
22
24
25

High Clouds (% Sky Obscured)

16
26
35
29
28
31
40
45
51
44
33
15
43
69
94
96
98
100

ISS Passover

Visibility (miles)

5
6
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

57
56
54
71
85
95
87
79
78
72
66
68
59
54
58
61
71
82

Precipitation Amount (mm)

0.2
0.2
0.2
0.4
0.7
1.1
0.7
0.6
0.6
0.5
0.3
0.4
0.3
0.3
0.2
0.3
0.4
0.6

Wind Speed/Direction (mph)

11
13
15
18
18
19
20
19
18
16
15
14
13
11
9
8
8
8

Chance of Frost

Temperature (°C)

16
17
18
19
19
19
20
20
20
20
19
18
18
17
17
16
16
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
83
78
73
75
77
78
72
67
61
65
69
72
78
82
87
86
85

Pressure (mb)

1008
1008
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

335
337
340
343
344
346
347
347
347
348
347
346
346
344
343
341
343
344

Forecast for Constantine, Cornwall, United Kingdom (50.12,-5.17)

Generated: 20/08/26 07:25:05. Forecast: 20/08/26 to 26/08/26. Timezone: UTC+1.00