Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waxing Crescent 36%

13:18

21:55

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 05:56, Set: 20:25, Transit: 13:10. Moon - Rise: 13:18, Set: 21:55. Civil Dark: 21:03 - 05:18. Nautical Dark: 21:51 - 04:30. Astro Dark: 22:48 - 03:33

Total Clouds (% Sky Obscured)

98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
100

Low Clouds (% Sky Obscured)

89
95
84
98
96
94
69
72
64
62
70
73
45
36
23
22
25
27
20
16
0
0
4
63

Medium Clouds (% Sky Obscured)

56
90
77
46
47
61
37
30
20
20
21
52
63
66
71
69
67
70
79
98
94
97
95
100

High Clouds (% Sky Obscured)

65
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
83
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
None
None

Precipitation Probability (%)

71
95
95
20
6
10
3
13
18
15
3
1
0
0
0
0
0
0
0
0
0
0
2
34

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

Chance of Frost

Temperature (°C)

20
20
19
18
18
18
18
18
18
19
20
21
22
22
23
23
23
23
23
22
21
20
19
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
67
71
72
71
77
83
86
83
76
69
59
55
49
45
43
42
43
42
42
46
50
53
56

Pressure (mb)

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

Ozone (du)

294
295
298
300
303
303
301
302
306
306
306
304
303
301
301
299
298
297
296
296
296
296
296
296

Tuesday 18

Waxing Crescent 46%

14:34

22:15

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
18 Bad
19 Bad
20 OK
21 Good
22 OK

Sun - Rise: 05:57, Set: 20:23, Transit: 13:10. Moon - Rise: 14:34, Set: 22:15. Civil Dark: 21:00 - 05:20. Nautical Dark: 21:48 - 04:32. Astro Dark: 22:44 - 03:36

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
71
70
76
76
89
82
71
72
76
74
92
63
81
58
24
15
22

Low Clouds (% Sky Obscured)

63
72
69
78
76
55
46
32
26
68
72
83
56
55
52
63
70
77
63
77
58
24
12
2

Medium Clouds (% Sky Obscured)

96
100
100
100
100
53
48
27
22
18
11
38
35
35
21
23
7
41
15
22
9
3
4
14

High Clouds (% Sky Obscured)

89
100
98
80
73
99
100
62
39
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

66
78
81
78
53
36
41
4
0
0
1
8
18
38
30
8
1
1
4
4
0
0
0
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
4
6
6
6
6
6
6
7
9
10
10
10
9
11
11
13
13
14
13
12
9
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
13
14
14
14
14
14
14
14
13
14
13
13
12
11
11
9
7
7
7
9
9
9
10

Relative Humidity (%)

66
79
89
92
93
92
92
95
92
83
79
72
67
58
50
48
40
33
36
38
46
52
58
68

Pressure (mb)

1010
1010
1010
1009
1009
1008
1008
1007
1007
1007
1007
1007
1006
1006
1005
1005
1004
1004
1004
1004
1004
1004
1004
1005

Ozone (du)

296
297
298
302
308
313
316
320
322
325
328
328
328
331
337
335
336
340
339
341
347
346
342
342

Wednesday 19

Waxing Crescent 56%

15:48

22:43

23 OK
00 OK
01 OK
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 Bad
20 OK
21 OK
22 OK

Sun - Rise: 05:59, Set: 20:21, Transit: 13:10. Moon - Rise: 15:48, Set: 22:43. Civil Dark: 20:58 - 05:22. Nautical Dark: 21:45 - 04:35. Astro Dark: 22:41 - 03:39

Total Clouds (% Sky Obscured)

22
25
30
41
68
79
61
60
55
52
51
62
82
84
69
85
88
83
62
56
55
31
29
32

Low Clouds (% Sky Obscured)

2
3
30
17
41
64
35
36
32
26
30
46
73
77
69
83
88
68
40
56
55
21
16
18

Medium Clouds (% Sky Obscured)

15
15
30
19
64
74
21
18
17
17
7
3
8
22
2
7
35
31
32
4
9
14
17
16

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
2
0
1
1
2
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
8
8
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
Light Rain
Light Rain
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
3
3
3
4
1
0
0
1
46
68
40
32
49
41
42
50
46
43
29
16
11
5
6

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.4
0.4
0
0
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
8
7
6
5
5
5
5
10
10
9
9
9
10
10
11
9
10
11
10
9
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
86
87
90
95
95
93
95
92
78
67
58
48
44
45
50
65
67
65
56
55
56
65
68

Pressure (mb)

1005
1005
1005
1004
1004
1004
1004
1004
1004
1004
1004
1005
1005
1005
1005
1005
1006
1006
1006
1007
1008
1009
1010
1010

Ozone (du)

342
344
345
349
353
352
353
353
352
351
352
352
352
351
349
348
348
349
350
350
350
347
345
345

Thursday 20

First Quarter 66%

16:54

No Set

23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
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 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 06:01, Set: 20:19, Transit: 13:10. Moon - Rise: 16:54, Set: No Set. Civil Dark: 20:56 - 05:24. Nautical Dark: 21:43 - 04:37. Astro Dark: 22:38 - 03:42

Total Clouds (% Sky Obscured)

35
41
34
26
19
38
57
80
88
86
87
87
91
93
99
100
100
100
100
92
83
78
68
62

Low Clouds (% Sky Obscured)

18
19
19
19
18
26
32
37
57
47
50
43
51
53
55
62
66
63
63
35
38
46
51
46

Medium Clouds (% Sky Obscured)

17
16
9
5
0
4
12
15
22
33
40
40
35
30
29
29
23
28
28
28
46
25
19
19

High Clouds (% Sky Obscured)

0
0
0
1
1
22
37
50
50
55
55
55
51
57
87
91
100
100
100
83
51
44
6
4

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 (%)

4
0
0
0
0
0
0
0
0
0
0
0
4
6
10
11
11
10
10
10
11
6
0
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)

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

Chance of Frost

Temperature (°C)

14
13
13
12
12
11
11
11
11
13
14
16
17
18
19
20
19
19
18
18
18
16
15
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
76
80
84
90
91
88
88
83
70
60
53
45
39
35
33
35
35
36
36
37
55
54
51

Pressure (mb)

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

Ozone (du)

344
342
340
339
339
338
339
340
340
341
341
340
340
341
342
342
342
342
343
344
345
344
345
343

Friday 21

Waxing Gibbous 75%

17:49

23:21

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

Sun - Rise: 06:02, Set: 20:16, Transit: 13:09. Moon - Rise: 17:49, Set: 23:21. Civil Dark: 20:53 - 05:26. Nautical Dark: 21:40 - 04:39. Astro Dark: 22:34 - 03:45

Total Clouds (% Sky Obscured)

52
39
41
46
45
35
24
21
25
38
47
49
48
65
56
47
39
49
57
64
62
61
62
61

Low Clouds (% Sky Obscured)

38
21
26
40
45
35
24
21
25
38
47
49
17
17
12
8
5
15
25
35
43
51
48
40

Medium Clouds (% Sky Obscured)

16
31
36
13
13
9
4
0
0
0
0
5
8
7
6
4
3
4
5
9
16
16
10
4

High Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
2
4
6
5
4
38
33
40
35
28
18
10
8
8
9
26

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
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)

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

Chance of Frost

Temperature (°C)

14
13
12
11
11
11
10
10
10
12
13
15
17
18
20
20
20
21
21
20
20
18
16
14

Feels Like (°C)

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

Dew Point (°C)

4
5
6
7
6
5
4
4
4
4
4
4
3
2
2
2
1
1
1
1
1
2
3
4

Relative Humidity (%)

51
58
68
72
72
68
66
65
64
61
55
47
39
34
31
29
28
26
26
27
28
34
41
50

Pressure (mb)

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

Ozone (du)

342
342
341
341
342
343
344
345
345
343
342
341
341
341
341
341
341
341
342
342
343
344
344
345

Saturday 22

Waxing Gibbous 83%

18:31

00:12

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

Sun - Rise: 06:04, Set: 20:14, Transit: 13:09. Moon - Rise: 18:31, Set: 00:12. Civil Dark: 20:51 - 05:27. Nautical Dark: 21:37 - 04:41. Astro Dark: 22:31 - 03:48

Total Clouds (% Sky Obscured)

61
62
66
71
72
65
57
38
54
55
56
49
42
34
47
65
86
89
97
98
97
95
96
89

Low Clouds (% Sky Obscured)

24
8
6
4
3
2
2
0
12
24
33
26
21
15
14
12
10
24
37
52
57
69
75
63

Medium Clouds (% Sky Obscured)

2
0
5
10
30
42
48
38
42
32
16
15
10
8
9
12
30
30
30
29
34
38
42
33

High Clouds (% Sky Obscured)

43
59
66
69
72
51
32
1
11
23
34
26
18
10
35
56
75
80
80
90
60
30
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
5
6
21
27
29
29

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
5
5
4
3
4
4
4
5
6
8
9
10
11
11
9
9
9
9
8
8
9
10
10

Chance of Frost

Temperature (°C)

13
12
11
11
10
10
10
10
10
12
15
17
18
19
21
21
21
22
21
20
19
18
16
15

Feels Like (°C)

14
14
13
9
9
10
9
9
9
11
12
13
13
15
16
21
21
20
20
19
19
16
16
16

Dew Point (°C)

5
5
5
6
6
6
6
5
6
5
5
4
4
4
3
3
2
1
1
0
-0
1
3
4

Relative Humidity (%)

56
61
66
69
72
74
73
72
72
60
51
42
38
35
32
29
27
25
25
26
26
32
39
47

Pressure (mb)

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

Ozone (du)

345
345
346
346
345
345
345
345
344
344
344
343
343
342
342
341
341
340
339
338
337
337
337
337

Sunday 23

Waxing Gibbous 90%

19:01

01:16

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
18 Bad

Sun - Rise: 06:06, Set: 20:12, Transit: 13:09. Moon - Rise: 19:01, Set: 01:16. Civil Dark: 20:49 - 05:29. Nautical Dark: 21:35 - 04:43. Astro Dark: 22:27 - 03:50

Total Clouds (% Sky Obscured)

78
61
61
67
75
61
51
37
42
52
53
50
56
71
74
84
87
92
96
97

Low Clouds (% Sky Obscured)

51
39
43
40
37
40
45
37
42
52
49
46
43
37
50
63
78
81
77
72

Medium Clouds (% Sky Obscured)

33
34
34
40
40
35
30
30
25
25
25
25
30
30
50
64
63
57
75
83

High Clouds (% Sky Obscured)

0
0
7
10
15
20
25
30
40
40
40
42
45
51
64
68
67
85
91
92

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

Precipitation Probability (%)

29
30
38
38
21
28
30
28
70
93
95
95
95
95
84
71
59
58
57
55

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.4
0.7
1
0.8
0.7
0.8
0.5
0.4
0.2
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
59
67
68
70
71
72
72
74
61
51
43
37
32
28
26
24
22
23
23

Pressure (mb)

1019
1019
1019
1018
1018
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1014
1014
1014
1014
1013

Ozone (du)

338
338
339
338
338
337
335
334
333
332
331
330
329
327
325
325
325
324
323
321

Forecast for Henley in Arden, Warwickshire, United Kingdom (52.29,-1.78)

Generated: 17/08/26 23:56:34. Forecast: 17/08/26 to 23/08/26. Timezone: UTC+1.00