Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waxing Crescent 36%

13:13

21:42

18 Good
19 Good
20 OK
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: 05:58, Set: 20:24, Transit: 13:10. Moon - Rise: 13:13, Set: 21:42. Civil Dark: 21:01 - 05:21. Nautical Dark: 21:48 - 04:35. Astro Dark: 22:43 - 03:40

Total Clouds (% Sky Obscured)

11
13
28
51
90
78
59
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94

Low Clouds (% Sky Obscured)

4
6
8
0
2
16
41
37
59
76
76
90
81
86
86
75
43
22
20
17
22
18
6
0

Medium Clouds (% Sky Obscured)

11
13
10
4
10
18
29
34
42
82
41
96
100
75
34
70
95
97
89
85
90
88
89
75

High Clouds (% Sky Obscured)

0
6
28
5
81
50
4
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
84

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
0
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
1
7
19
30
7
2
13
16
21
23
7
1
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)

11
12
12
11
9
10
10
9
11
11
11
10
10
9
11
13
13
15
15
15
16
17
16
16

Chance of Frost

Temperature (°C)

25
23
21
19
17
17
16
16
17
17
17
17
18
18
19
20
20
21
21
21
22
22
22
21

Feels Like (°C)

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

Dew Point (°C)

10
11
12
13
13
14
14
15
16
16
16
17
17
18
18
18
15
13
9
7
6
8
8
9

Relative Humidity (%)

40
46
55
65
77
82
85
90
92
95
92
95
93
96
95
88
72
60
47
39
36
39
41
46

Pressure (mb)

1015
1015
1015
1016
1016
1016
1016
1015
1015
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012

Ozone (du)

304
300
298
297
297
296
297
296
296
297
298
299
299
301
302
302
301
300
300
300
301
300
300
298

Tuesday 18

Waxing Crescent 34%

14:28

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 OK
16 OK
17 Bad

Sun - Rise: 05:59, Set: 20:22, Transit: 13:10. Moon - Rise: 14:28, Set: 21:58. Civil Dark: 20:59 - 05:23. Nautical Dark: 21:45 - 04:37. Astro Dark: 22:39 - 03:43

Total Clouds (% Sky Obscured)

97
96
98
89
84
94
100
100
100
100
100
100
100
100
100
69
70
81
69
82
68
30
17
57

Low Clouds (% Sky Obscured)

0
0
17
20
13
25
25
49
60
80
81
90
63
46
32
39
55
61
55
68
63
30
17
34

Medium Clouds (% Sky Obscured)

96
94
98
71
84
94
100
100
100
100
54
45
45
41
25
18
11
25
19
21
18
0
0
24

High Clouds (% Sky Obscured)

90
71
17
6
49
0
47
64
100
100
100
100
100
100
100
33
14
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
5
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
Very 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 (%)

0
0
0
0
2
21
45
68
84
95
95
82
37
15
3
2
27
25
27
18
16
16
18
22

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.4
0.6
0.8
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

46
50
62
72
76
72
79
86
90
90
90
90
92
93
86
77
66
60
51
44
47
58
53
51

Pressure (mb)

1011
1011
1011
1012
1012
1011
1011
1011
1010
1010
1009
1009
1009
1009
1009
1008
1008
1008
1007
1007
1006
1006
1006
1006

Ozone (du)

298
297
297
296
295
295
296
297
297
297
301
306
311
314
317
319
321
322
324
326
325
327
327
327

Wednesday 19

Waxing Crescent 46%

15:41

22:20

18 OK
19 Good
20 Good
21 Good
22 Good
23 Good
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

Sun - Rise: 06:01, Set: 20:20, Transit: 13:09. Moon - Rise: 15:41, Set: 22:20. Civil Dark: 20:56 - 05:25. Nautical Dark: 21:42 - 04:39. Astro Dark: 22:36 - 03:46

Total Clouds (% Sky Obscured)

26
1
0
2
2
2
12
33
59
54
51
78
77
61
75
55
62
76
76
76
78
82
74
43

Low Clouds (% Sky Obscured)

26
1
0
2
2
2
1
31
40
35
36
35
32
24
34
22
44
67
74
73
72
73
65
33

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
6
0
15
18
0
30
33
25
27
21
16
16
15
16
14
12
13
11

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

Precipitation Probability (%)

7
2
1
0
0
0
1
0
0
0
1
3
2
1
12
40
57
48
34
21
22
23
26
28

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
14
12
8
7
6
6
6
7
7
6
6
6
6
8
10
10
11
12
13
12
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
7
8
10
11
13
12
12
12
12
12
12
12
12
11
11
9
8
8
8
8
8
8
7

Relative Humidity (%)

49
47
56
71
83
93
93
95
95
95
96
96
96
93
82
68
57
50
48
46
45
44
45
43

Pressure (mb)

1006
1006
1006
1007
1007
1007
1007
1007
1006
1006
1006
1006
1005
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1007

Ozone (du)

330
333
333
334
335
336
343
338
338
338
338
340
340
341
342
342
341
340
338
337
336
335
337
338

Thursday 20

First Quarter 56%

16:46

22:49

18 Bad
19 Bad
20 OK
21 OK
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: 06:03, Set: 20:18, Transit: 13:09. Moon - Rise: 16:46, Set: 22:49. Civil Dark: 20:54 - 05:26. Nautical Dark: 21:40 - 04:41. Astro Dark: 22:33 - 03:49

Total Clouds (% Sky Obscured)

36
34
33
32
40
44
67
82
91
99
99
100
100
100
87
67
66
71
83
93
86
80
81
80

Low Clouds (% Sky Obscured)

24
26
29
29
34
38
44
65
85
94
87
79
76
83
69
42
44
43
64
87
76
65
67
65

Medium Clouds (% Sky Obscured)

9
5
3
1
2
4
53
78
81
58
36
37
43
38
38
30
25
25
20
22
15
12
16
20

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
18
33
45
50
61
71
65
60
60
65
65
65
41
26
14
9
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
5
9
9
9
9
9
9
9
9
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

21
20
16
9
20
21
22
38
44
43
32
27
7
5
2
0
20
34
26
7
5
2
6
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

45
50
63
77
87
93
90
87
90
89
87
84
87
84
84
79
67
53
45
43
41
38
39
39

Pressure (mb)

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

Ozone (du)

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

Friday 21

Waxing Gibbous 66%

17:41

23:28

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 OK
03 OK
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: 06:04, Set: 20:16, Transit: 13:09. Moon - Rise: 17:41, Set: 23:28. Civil Dark: 20:52 - 05:28. Nautical Dark: 21:37 - 04:43. Astro Dark: 22:30 - 03:51

Total Clouds (% Sky Obscured)

84
75
67
54
49
49
48
51
47
45
52
59
67
100
100
100
100
100
100
97
93
91
94
97

Low Clouds (% Sky Obscured)

74
71
67
54
28
30
30
25
21
26
52
59
67
85
83
78
66
58
57
57
57
58
60
62

Medium Clouds (% Sky Obscured)

21
14
8
5
4
3
0
0
0
0
6
10
12
3
4
5
19
31
45
36
23
18
16
14

High Clouds (% Sky Obscured)

0
0
0
0
0
1
4
18
30
30
30
30
28
99
100
100
100
100
100
74
49
23
48
73

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

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)

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

Chance of Frost

Temperature (°C)

20
19
18
16
14
13
13
12
12
11
11
11
11
11
13
14
16
17
18
20
20
20
21
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

39
41
45
51
66
74
71
71
73
77
78
77
73
69
63
56
50
44
39
35
32
31
29
30

Pressure (mb)

1013
1013
1013
1014
1015
1015
1016
1016
1016
1016
1017
1017
1017
1017
1016
1017
1017
1017
1017
1016
1016
1016
1016
1016

Ozone (du)

345
345
346
347
344
341
339
335
334
334
334
333
333
333
334
334
335
337
338
340
340
339
338
337

Saturday 22

Waxing Gibbous 75%

No Rise

00:19

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 OK
14 OK
15 OK
16 Bad
17 Bad

Sun - Rise: 06:06, Set: 20:14, Transit: 13:09. Moon - Rise: No Rise, Set: 00:19. Civil Dark: 20:50 - 05:30. Nautical Dark: 21:35 - 04:45. Astro Dark: 22:27 - 03:54

Total Clouds (% Sky Obscured)

100
100
100
100
98
96
95
86
79
71
74
76
85
84
83
83
70
58
45
42
39
39
45
47

Low Clouds (% Sky Obscured)

64
63
62
64
44
25
3
2
1
0
0
0
0
0
0
0
8
17
25
18
9
0
0
0

Medium Clouds (% Sky Obscured)

8
12
16
16
38
53
72
68
63
57
48
36
30
29
29
28
25
21
19
22
25
28
28
22

High Clouds (% Sky Obscured)

100
100
100
100
95
89
83
56
31
8
19
29
38
49
60
71
53
32
12
8
4
0
1
2

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 (%)

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

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

Chance of Frost

Temperature (°C)

20
19
18
17
16
15
14
13
13
12
11
11
11
11
13
15
17
18
20
21
22
22
23
22

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

32
33
36
39
43
46
48
51
57
64
72
72
71
71
60
50
42
37
32
28
27
25
24
24

Pressure (mb)

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

Ozone (du)

336
335
336
336
337
336
336
335
336
336
337
336
335
334
334
334
334
335
336
337
337
336
336
333

Sunday 23

Waxing Gibbous 83%

18:23

01:22

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

Sun - Rise: 06:07, Set: 20:12, Transit: 13:08. Moon - Rise: 18:23, Set: 01:22. Civil Dark: 20:47 - 05:32. Nautical Dark: 21:32 - 04:47. Astro Dark: 22:23 - 03:56

Total Clouds (% Sky Obscured)

48
50
51
53
47
41
30
33
41
45
47
52
57
47
33
25
47
64
83

Low Clouds (% Sky Obscured)

0
0
1
1
0
0
0
0
0
0
0
0
0
0
1
1
12
22
33

Medium Clouds (% Sky Obscured)

21
15
10
6
4
2
0
11
22
33
47
52
57
47
33
25
47
64
83

High Clouds (% Sky Obscured)

3
10
15
30
30
40
30
33
41
40
30
25
20
16
9
12
18
36
60

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
10
12
11
29
25
14

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)

10
9
8
6
5
6
7
8
7
7
7
8
8
10
12
13
15
14
14

Chance of Frost

Temperature (°C)

21
21
19
17
15
14
14
13
12
11
10
11
11
11
13
15
17
18
19

Feels Like (°C)

20
20
18
18
17
16
14
13
9
9
8
8
7
7
8
9
9
10
12

Dew Point (°C)

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

Relative Humidity (%)

26
27
33
41
50
53
59
64
66
68
72
73
72
73
65
59
53
50
47

Pressure (mb)

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

Ozone (du)

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

Forecast for Grafton, Wiltshire, United Kingdom (51.34,-1.65)

Generated: 17/08/26 18:48:36. Forecast: 17/08/26 to 23/08/26. Timezone: UTC+1.00