Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waxing Crescent 37%

13:24

21:58

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
17 Bad

Sun - Rise: 06:14, Set: 20:35, Transit: 13:23. Moon - Rise: 13:24, Set: 21:58. Civil Dark: 21:11 - 05:38. Nautical Dark: 21:56 - 04:53. Astro Dark: 22:49 - 04:01

Total Clouds (% Sky Obscured)

74
71
66
78
94
90
94
100
100
100
100
100
98
97
100
100
100
100
100
100
100
100
92
85

Low Clouds (% Sky Obscured)

60
43
64
65
76
90
77
81
90
89
95
78
72
71
58
62
69
65
53
56
37
56
59
60

Medium Clouds (% Sky Obscured)

15
0
0
0
0
0
21
47
36
32
20
16
7
0
0
2
23
27
22
6
26
9
27
16

High Clouds (% Sky Obscured)

28
23
35
19
53
12
80
97
100
100
100
100
92
92
100
100
100
100
100
100
100
100
50
39

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
4
4
2
1
5
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
2
4
18
20
35
24
26
13
13
18
6
4
1
1
15
4
5

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
72
79
90
93
93
95
95
96
96
95
95
95
95
93
92
79
72
64
59
57
60
64
65

Pressure (mb)

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

Ozone (du)

302
299
299
298
296
295
295
292
290
291
289
291
291
293
293
294
293
293
292
292
292
292
292
293

Tuesday 18

Waxing Crescent 37%

14:38

22:16

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
17 Bad

Sun - Rise: 06:15, Set: 20:33, Transit: 13:23. Moon - Rise: 14:38, Set: 22:16. Civil Dark: 21:09 - 05:39. Nautical Dark: 21:54 - 04:55. Astro Dark: 22:46 - 04:03

Total Clouds (% Sky Obscured)

92
95
92
93
99
100
100
100
100
100
100
100
99
80
44
42
48
72
66
52
39
50
45
40

Low Clouds (% Sky Obscured)

62
77
74
66
71
56
65
63
72
71
69
65
57
57
44
42
48
50
57
52
39
50
37
21

Medium Clouds (% Sky Obscured)

24
30
24
74
97
100
100
100
100
49
40
34
20
25
3
0
3
28
20
0
0
0
13
17

High Clouds (% Sky Obscured)

14
10
3
0
0
9
88
100
100
99
100
100
98
25
0
2
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
9
9
9
7
7
9
8
7
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

17
18
20
22
25
44
75
95
95
95
95
65
43
38
37
31
39
39
43
26
17
3
10
24

Precipitation Amount (mm)

0
0
0
0
0
0
0.4
1
0.7
0.4
0.5
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
15
15
14
13
14
15
15
15
15
15
15
15
14
14
14
13
11
11
11
10
10
9
10

Relative Humidity (%)

69
75
77
78
78
81
85
87
93
93
92
92
93
92
89
81
70
59
56
57
55
55
49
54

Pressure (mb)

1014
1014
1014
1014
1013
1013
1013
1012
1012
1011
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1008

Ozone (du)

292
291
292
293
294
293
294
295
298
302
305
310
313
316
318
320
321
323
325
325
325
324
327
328

Wednesday 19

Waxing Crescent 47%

15:49

22:38

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
17 Bad

Sun - Rise: 06:17, Set: 20:31, Transit: 13:23. Moon - Rise: 15:49, Set: 22:38. Civil Dark: 21:07 - 05:41. Nautical Dark: 21:52 - 04:57. Astro Dark: 22:43 - 04:06

Total Clouds (% Sky Obscured)

53
76
60
59
75
74
53
73
79
75
69
63
75
90
89
83
74
88
71
66
61
56
45
43

Low Clouds (% Sky Obscured)

42
50
48
50
68
65
53
65
63
57
62
55
64
81
83
72
65
79
71
65
60
54
45
43

Medium Clouds (% Sky Obscured)

12
24
24
27
28
19
2
21
21
27
20
16
18
16
19
22
20
21
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
0
0
0
0

ISS Passover

Visibility (miles)

9
8
9
9
8
6
9
6
5
6
9
9
8
9
9
8
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

33
29
34
40
49
54
51
58
73
66
51
48
41
34
51
52
47
41
34
27
30
24
11
18

Precipitation Amount (mm)

0
0
0
0
0.3
0.3
0.3
0.3
0.5
0.3
0
0
0
0
0.2
0.3
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
18
17
16
15
15
15
15
15
15
15
15
15
15
16
17
17
18
18
19
19
19
19
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
66
74
78
83
86
87
86
89
87
90
87
87
82
74
77
67
61
57
57
53
55
58
62

Pressure (mb)

1008
1008
1008
1008
1008
1008
1007
1007
1007
1007
1006
1006
1006
1006
1007
1007
1008
1008
1008
1009
1009
1009
1009
1010

Ozone (du)

329
331
333
334
336
334
334
336
337
338
339
340
340
339
339
340
339
338
337
337
339
341
342
342

Thursday 20

First Quarter 56%

16:54

23:08

18 OK
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 OK
14 OK
15 Good
16 Good
17 Good

Sun - Rise: 06:18, Set: 20:29, Transit: 13:23. Moon - Rise: 16:54, Set: 23:08. Civil Dark: 21:05 - 05:43. Nautical Dark: 21:49 - 04:59. Astro Dark: 22:40 - 04:08

Total Clouds (% Sky Obscured)

38
54
67
81
90
92
94
96
100
100
99
98
98
88
78
69
57
45
33
21
12
3
2
2

Low Clouds (% Sky Obscured)

38
45
43
41
41
39
39
38
38
45
52
54
50
53
56
60
57
45
27
17
12
3
2
2

Medium Clouds (% Sky Obscured)

0
0
1
3
19
19
20
33
64
65
60
47
21
14
22
15
8
5
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
17
35
44
52
62
72
76
76
80
83
81
79
59
29
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
8
6
7
6
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
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

7
20
11
6
3
1
2
4
6
3
12
44
41
51
55
47
32
15
23
28
30
13
12
7

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.4
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
12
10
9
8
8
8
8
7
7
6
5
5
4
5
6
7
7
6
5
4
7
9
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
66
72
85
89
90
89
87
87
86
87
89
90
90
87
81
76
68
64
62
63
65
65
62

Pressure (mb)

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

Ozone (du)

342
342
342
342
342
342
342
343
344
344
343
345
345
344
343
343
343
344
344
344
345
347
347
347

Friday 21

Waxing Gibbous 66%

17:48

23:48

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

Sun - Rise: 06:20, Set: 20:27, Transit: 13:22. Moon - Rise: 17:48, Set: 23:48. Civil Dark: 21:02 - 05:44. Nautical Dark: 21:47 - 05:01. Astro Dark: 22:37 - 04:11

Total Clouds (% Sky Obscured)

1
5
9
13
39
55
77
70
64
61
45
30
15
68
60
54
64
75
85
79
75
72
80
85

Low Clouds (% Sky Obscured)

1
3
5
8
23
41
55
48
45
38
25
12
1
23
28
33
35
37
39
36
33
30
38
47

Medium Clouds (% Sky Obscured)

0
1
1
2
6
9
11
11
10
11
9
6
15
41
50
54
51
42
33
26
19
9
10
10

High Clouds (% Sky Obscured)

0
2
4
7
39
45
55
45
40
40
40
30
15
15
10
10
7
12
19
30
36
49
54
54

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
8
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 (%)

1
1
2
3
8
7
4
12
11
3
8
11
4
15
16
9
18
17
10
17
20
18
19
23

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
10
8
7
7
6
5
5
6
6
6
6
5
8
9
10
11
12
14
13
13
13
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
64
70
79
80
77
76
79
79
80
81
87
89
86
74
64
55
53
52
49
50
51
51
54

Pressure (mb)

1014
1015
1015
1015
1016
1016
1016
1016
1016
1015
1016
1016
1016
1016
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

344
342
340
336
335
334
334
333
333
333
334
334
336
338
339
340
342
341
340
340
340
339
339
338

Saturday 22

Waxing Gibbous 75%

No Rise

00:40

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

Sun - Rise: 06:21, Set: 20:25, Transit: 13:22. Moon - Rise: No Rise, Set: 00:40. Civil Dark: 21:00 - 05:46. Nautical Dark: 21:44 - 05:03. Astro Dark: 22:34 - 04:13

Total Clouds (% Sky Obscured)

90
82
74
66
66
64
62
53
43
36
34
30
29
26
24
25
21
18
14
11
14
16
26
28

Low Clouds (% Sky Obscured)

55
41
26
12
17
23
28
28
27
27
27
28
29
26
24
22
16
12
8
7
5
3
10
18

Medium Clouds (% Sky Obscured)

11
17
26
33
49
61
62
53
43
36
34
30
29
26
24
25
21
18
14
11
14
12
18
24

High Clouds (% Sky Obscured)

55
55
55
55
50
55
45
40
35
25
25
25
20
24
23
25
21
18
14
11
14
16
19
10

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 (%)

23
25
23
15
19
18
8
13
11
2
6
6
1
8
10
0
1
1
0
1
1
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
58
62
65
68
67
65
64
67
70
73
69
65
62
54
48
42
40
39
37
38
40
42
42

Pressure (mb)

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

Ozone (du)

338
337
337
337
337
336
336
336
337
337
337
337
337
336
336
336
336
336
336
336
337
338
339
338

Sunday 23

Waxing Gibbous 83%

18:31

01:42

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

Sun - Rise: 06:23, Set: 20:23, Transit: 13:22. Moon - Rise: 18:31, Set: 01:42. Civil Dark: 20:58 - 05:48. Nautical Dark: 21:42 - 05:04. Astro Dark: 22:31 - 04:16

Total Clouds (% Sky Obscured)

29
29
28
28
21
15
8
22
36
49
50
53
53
61
70
75
70
69
63

Low Clouds (% Sky Obscured)

24
26
28
27
19
9
0
11
22
34
36
39
41
38
35
32
33
33
33

Medium Clouds (% Sky Obscured)

29
21
14
6
5
4
4
6
7
9
24
40
53
61
70
75
64
48
31

High Clouds (% Sky Obscured)

1
2
4
6
10
15
8
22
36
45
39
38
42
42
47
51
48
43
37

ISS Passover

Visibility (miles)

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

Precipitation Type

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
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

44
46
53
61
73
75
78
80
76
74
69
69
66
65
57
51
45
43
40

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

338
337
335
334
333
333
333
333
332
331
331
331
331
331
331
331
331
331
330

Forecast for Mawgan Porth, Cornwall, United Kingdom (50.46,-5.03)

Generated: 17/08/26 18:34:01. Forecast: 17/08/26 to 23/08/26. Timezone: UTC+1.00