Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waxing Crescent 27%

13:22

21:56

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: 06:11, Set: 20:33, Transit: 13:21. Moon - Rise: 13:22, Set: 21:56. Civil Dark: 21:09 - 05:35. Nautical Dark: 21:54 - 04:50. Astro Dark: 22:48 - 03:58

Total Clouds (% Sky Obscured)

68
71
71
73
79
71
89
92
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94

Low Clouds (% Sky Obscured)

50
52
50
40
45
43
71
80
95
93
100
100
96
92
80
68
63
54
49
41
39
40
35
37

Medium Clouds (% Sky Obscured)

0
4
0
0
0
0
0
10
31
27
26
25
10
6
0
0
2
13
22
10
20
15
30
26

High Clouds (% Sky Obscured)

16
16
6
45
45
50
38
58
88
100
100
100
100
100
100
100
100
100
100
100
100
100
100
54

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
4
4
4
1
0
0
0
0
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
4
4
18
24
25
18
25
12
7
3
1
2
0
2
2

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

Chance of Frost

Temperature (°C)

20
19
18
18
16
16
16
16
17
17
18
18
18
19
18
18
19
20
20
21
21
21
20
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
63
72
85
93
95
96
96
96
95
96
95
95
96
96
90
84
75
68
60
53
52
55
59

Pressure (mb)

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

Ozone (du)

304
302
300
297
298
296
295
295
293
291
291
290
291
292
294
294
295
293
293
292
292
292
293
293

Tuesday 18

Waxing Crescent 37%

14:36

22:13

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: 06:12, Set: 20:31, Transit: 13:21. Moon - Rise: 14:36, Set: 22:13. Civil Dark: 21:07 - 05:37. Nautical Dark: 21:52 - 04:52. Astro Dark: 22:44 - 04:00

Total Clouds (% Sky Obscured)

90
62
90
87
96
99
99
100
100
100
100
100
100
100
84
69
53
57
71
76
62
62
60
56

Low Clouds (% Sky Obscured)

34
33
52
60
61
82
67
81
98
83
70
71
70
62
53
46
49
55
55
63
60
58
55
45

Medium Clouds (% Sky Obscured)

22
24
58
37
79
98
98
100
100
100
100
45
36
32
19
11
0
0
26
20
0
0
0
0

High Clouds (% Sky Obscured)

46
17
23
3
2
0
0
54
100
100
100
100
100
92
47
21
5
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
7
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
3
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

2
4
3
5
18
7
30
55
95
95
95
95
78
37
19
27
17
28
20
42
38
23
9
8

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.8
1.1
0.7
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
16
15
12
11
9
9
8
7
7
7
5
6
6
5
7
11
12
14
15
15
16
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
13
14
14
13
13
13
14
14
14
14
13
13
14
14
13
12
10
10
10
9
9
8

Relative Humidity (%)

59
63
72
79
82
83
81
85
92
95
92
93
92
95
96
89
79
67
57
55
54
53
53
49

Pressure (mb)

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

Ozone (du)

293
294
294
294
293
293
294
295
296
296
298
302
306
310
314
316
318
319
321
324
324
323
323
324

Wednesday 19

Waxing Crescent 47%

15:47

22:36

17 Bad
18 Bad
19 OK
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: 06:14, Set: 20:29, Transit: 13:21. Moon - Rise: 15:47, Set: 22:36. Civil Dark: 21:05 - 05:38. Nautical Dark: 21:50 - 04:54. Astro Dark: 22:41 - 04:03

Total Clouds (% Sky Obscured)

44
43
29
41
53
54
60
68
53
69
73
60
66
54
70
84
81
70
84
80
77
72
67
64

Low Clouds (% Sky Obscured)

40
36
27
33
46
43
46
56
47
54
57
57
61
50
57
79
72
61
70
68
69
68
66
64

Medium Clouds (% Sky Obscured)

0
12
3
3
0
2
15
16
0
23
32
0
0
0
9
8
19
2
24
17
10
6
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
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 (%)

9
21
15
12
12
15
34
22
22
46
38
47
28
35
30
34
38
36
34
32
27
18
23
21

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)

16
16
15
13
10
9
9
9
9
8
7
7
8
7
7
10
11
13
14
14
14
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
14
14
13
14
13
14
14
13
14
14
13
13
13
13
14
13
14
15
15
14
14
14
15

Dew Point (°C)

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

Relative Humidity (%)

51
59
67
78
86
92
92
93
92
93
95
95
93
95
92
82
80
69
61
57
53
52
52
54

Pressure (mb)

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

Ozone (du)

326
327
328
330
333
336
333
333
335
336
338
339
340
340
340
340
340
339
338
337
337
338
340
341

Thursday 20

First Quarter 56%

16:52

23:05

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: 06:16, Set: 20:27, Transit: 13:20. Moon - Rise: 16:52, Set: 23:05. Civil Dark: 21:03 - 05:40. Nautical Dark: 21:47 - 04:56. Astro Dark: 22:38 - 04:05

Total Clouds (% Sky Obscured)

57
55
68
74
91
91
91
91
93
97
100
98
96
94
79
63
47
57
66
77
77
75
76
63

Low Clouds (% Sky Obscured)

57
55
57
59
59
52
47
37
38
34
55
50
34
30
52
60
47
57
66
77
76
71
72
63

Medium Clouds (% Sky Obscured)

0
0
0
0
1
3
3
2
12
34
50
57
45
19
14
7
0
1
3
4
12
19
21
14

High Clouds (% Sky Obscured)

0
0
22
43
65
60
60
55
57
62
75
77
79
80
57
36
11
7
4
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
8
7
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 (%)

10
6
9
9
1
0
0
0
0
0
1
6
14
20
8
11
8
7
5
5
18
19
19
20

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)

15
14
14
12
9
8
8
9
8
8
7
6
6
5
4
5
5
7
7
6
6
7
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
14
13
13
12
12
12
11
11
11
10
11
10
11
11
12
13
14
16
17
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

59
61
66
79
93
95
93
93
93
93
95
95
93
93
87
76
71
61
51
44
42
44
48
52

Pressure (mb)

1009
1009
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

342
342
341
342
341
342
342
343
343
344
344
343
343
344
344
343
343
344
344
344
344
345
346
347

Friday 21

Waxing Gibbous 66%

No Rise

23:45

17 Bad
18 Good
19 OK
20 OK
21 Bad
22 Bad
23 OK
00 Good
01 OK
02 OK
03 OK
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: 06:17, Set: 20:25, Transit: 13:20. Moon - Rise: No Rise, Set: 23:45. Civil Dark: 21:00 - 05:42. Nautical Dark: 21:45 - 04:58. Astro Dark: 22:35 - 04:08

Total Clouds (% Sky Obscured)

41
10
22
40
59
47
31
15
21
22
23
25
27
28
89
79
71
79
88
96
94
93
93
94

Low Clouds (% Sky Obscured)

41
10
17
29
45
35
26
10
13
15
15
16
17
19
46
49
50
55
60
65
60
56
51
60

Medium Clouds (% Sky Obscured)

6
0
4
8
11
10
6
2
2
1
1
4
13
28
89
79
70
61
55
50
41
27
14
9

High Clouds (% Sky Obscured)

0
0
1
1
7
34
31
15
21
22
23
25
27
28
15
15
10
15
18
20
28
39
53
58

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 (%)

17
2
2
1
1
4
6
1
3
5
1
4
5
3
18
17
10
21
20
13
13
14
16
19

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

53
56
63
71
83
84
86
81
80
83
85
88
90
90
84
71
58
49
47
44
42
44
47
48

Pressure (mb)

1014
1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1015
1015
1015
1016
1016
1016
1015
1015
1015

Ozone (du)

346
344
342
339
336
334
333
333
333
332
333
332
332
334
337
339
340
342
341
340
340
339
339
338

Saturday 22

Waxing Gibbous 75%

17:46

00:37

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
07 OK
08 Good
09 Good
10 OK
11 Bad
12 Bad
13 Bad
14 OK
15 Good
16 OK

Sun - Rise: 06:19, Set: 20:23, Transit: 13:20. Moon - Rise: 17:46, Set: 00:37. Civil Dark: 20:58 - 05:44. Nautical Dark: 21:42 - 05:00. Astro Dark: 22:32 - 04:10

Total Clouds (% Sky Obscured)

94
95
92
90
87
75
61
49
60
75
88
71
54
37
26
16
10
30
51
73
52
30
9
17

Low Clouds (% Sky Obscured)

70
79
72
67
64
54
46
37
33
28
23
25
26
27
18
9
0
21
40
56
36
18
1
9

Medium Clouds (% Sky Obscured)

9
9
24
40
49
51
46
39
50
69
85
71
54
37
26
16
10
30
51
45
35
21
9
14

High Clouds (% Sky Obscured)

57
52
53
49
55
35
25
29
36
37
38
36
33
30
26
16
10
30
30
35
30
22
9
14

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 (%)

15
17
21
18
10
15
16
8
9
6
2
2
1
0
6
2
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)

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

Chance of Frost

Temperature (°C)

19
19
18
17
15
14
14
13
13
12
12
12
12
11
11
13
15
17
18
19
20
20
20
21

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

47
45
43
49
53
59
64
70
75
75
75
76
70
64
59
51
46
40
36
32
29
28
26
25

Pressure (mb)

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

Ozone (du)

338
338
338
338
337
337
337
336
335
335
335
335
336
336
337
336
336
335
336
336
337
338
338
339

Sunday 23

Waxing Gibbous 83%

18:29

01:39

17 OK
18 OK
19 OK
20 Good
21 Good
22 Good
23 OK
00 OK
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: 06:20, Set: 20:21, Transit: 13:19. Moon - Rise: 18:29, Set: 01:39. Civil Dark: 20:56 - 05:45. Nautical Dark: 21:40 - 05:02. Astro Dark: 22:29 - 04:13

Total Clouds (% Sky Obscured)

25
33
26
15
5
11
20
29
34
41
53
55
57
60
65
73
75
77
80
80

Low Clouds (% Sky Obscured)

17
25
17
9
1
9
19
28
32
35
35
35
37
36
42
43
49
48
43
37

Medium Clouds (% Sky Obscured)

21
28
22
14
5
4
3
2
7
12
18
33
52
60
64
59
59
63
67
71

High Clouds (% Sky Obscured)

14
14
11
11
5
11
16
21
34
41
53
45
45
40
39
37
36
34
28
24

ISS Passover

Visibility (miles)

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

Precipitation Type

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
1
1
1
2
2
1
5
5
3

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

20
19
18
16
15
13
12
12
11
11
11
11
11
11
11
13
15
17
18
19

Feels Like (°C)

16
16
17
14
15
16
15
14
13
9
9
10
10
10
10
9
10
10
10
11

Dew Point (°C)

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

Relative Humidity (%)

27
30
33
43
59
77
77
77
77
72
66
60
62
63
64
57
51
44
40
37

Pressure (mb)

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

Ozone (du)

337
336
334
333
332
331
331
332
333
332
332
332
332
332
333
332
332
331
331
331

Forecast for Upton, Cornwall, United Kingdom (50.54,-4.43)

Generated: 17/08/26 17:27:30. Forecast: 17/08/26 to 23/08/26. Timezone: UTC+1.00