Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 15

Waxing Crescent 10%

09:21

21:16

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

Sun - Rise: 05:55, Set: 20:29, Transit: 13:11. Moon - Rise: 09:21, Set: 21:16. Civil Dark: 21:06 - 05:17. Nautical Dark: 21:54 - 04:30. Astro Dark: 22:52 - 03:33

Total Clouds (% Sky Obscured)

38
50
58
63
78
80
69
55
60
21
12
7
0
36
65
68
66
100
100
100
97
98
53
78

Low Clouds (% Sky Obscured)

38
50
58
63
75
75
64
24
20
14
8
6
0
4
16
17
17
12
8
0
0
0
0
0

Medium Clouds (% Sky Obscured)

27
27
26
24
21
24
16
15
14
5
2
0
0
0
0
0
0
0
3
77
73
97
48
75

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
55
59
2
2
0
0
30
35
35
40
100
100
100
93
75
13
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
5
5
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)

11
12
12
12
10
8
8
8
8
9
10
10
11
9
8
7
7
5
5
3
4
3
3
4

Chance of Frost

Temperature (°C)

19
21
22
23
24
25
26
26
26
25
24
23
20
19
17
16
15
15
14
14
13
13
13
14

Feels Like (°C)

16
18
19
21
22
24
25
25
25
24
23
20
18
17
15
13
13
13
12
12
12
11
11
14

Dew Point (°C)

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

Relative Humidity (%)

61
60
52
49
47
45
38
35
32
31
30
35
45
51
54
56
61
68
70
72
70
71
69
60

Pressure (mb)

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

Ozone (du)

322
322
323
324
323
318
317
319
319
321
321
322
321
320
320
318
318
319
315
314
314
314
313
312

Sunday 16

Waxing Crescent 18%

10:40

21:28

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
07 Bad
08 Bad

Sun - Rise: 05:56, Set: 20:27, Transit: 13:11. Moon - Rise: 10:40, Set: 21:28. Civil Dark: 21:04 - 05:19. Nautical Dark: 21:52 - 04:32. Astro Dark: 22:49 - 03:36

Total Clouds (% Sky Obscured)

76
56
93
94
99
97
55
59
93
100
100
100
100
100
100
100
100
100
100
100
100
97
96
98

Low Clouds (% Sky Obscured)

0
0
9
11
0
2
2
8
8
33
34
13
27
24
45
21
88
23
21
46
70
71
15
20

Medium Clouds (% Sky Obscured)

75
37
39
37
23
23
37
35
73
89
81
36
66
100
92
98
93
97
93
85
87
89
84
80

High Clouds (% Sky Obscured)

2
10
40
42
96
97
13
0
73
100
100
100
100
100
100
100
100
100
100
97
100
80
64
85

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
16
19
19
18
19
20
21
20
19
18
18
17
16
16
15
15
15
15
15
14
14
14
15

Dew Point (°C)

5
5
4
4
4
4
2
1
-0
0
3
7
8
8
7
7
8
8
9
10
8
8
7
8

Relative Humidity (%)

50
41
35
33
31
30
25
22
21
23
29
40
48
49
50
51
55
55
61
63
60
58
56
55

Pressure (mb)

1019
1019
1019
1019
1018
1018
1018
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

312
312
310
312
315
321
323
327
325
323
321
320
320
320
319
317
316
314
311
309
307
305
304
302

Monday 17

Waxing Crescent 27%

11:58

21:42

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
07 Bad
08 Bad

Sun - Rise: 05:58, Set: 20:25, Transit: 13:11. Moon - Rise: 11:58, Set: 21:42. Civil Dark: 21:02 - 05:21. Nautical Dark: 21:49 - 04:34. Astro Dark: 22:45 - 03:39

Total Clouds (% Sky Obscured)

98
100
96
98
94
92
78
91
65
59
71
66
80
75
100
84
76
78
69
92
91
100
100
100

Low Clouds (% Sky Obscured)

25
29
30
34
49
17
23
28
29
24
40
15
0
16
24
15
18
36
32
28
33
73
81
86

Medium Clouds (% Sky Obscured)

89
99
50
97
48
61
52
88
28
26
71
66
3
13
17
11
19
25
25
33
26
33
63
68

High Clouds (% Sky Obscured)

72
58
93
37
70
68
10
4
2
8
0
0
70
60
100
83
52
78
58
30
91
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
None
None

Precipitation Probability (%)

2
5
11
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
4
4
21
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
6
8
9
10
11
12
11
10
10
9
8
7
7
7
8
9
12
12
12
12
12
13

Chance of Frost

Temperature (°C)

18
19
20
22
22
23
24
24
23
23
22
21
19
17
17
16
16
15
16
16
16
16
17
17

Feels Like (°C)

17
18
19
21
21
22
21
21
21
22
20
19
17
17
17
15
15
14
15
15
14
15
15
15

Dew Point (°C)

9
10
10
10
11
9
9
9
10
7
7
9
11
12
12
11
12
12
14
15
15
15
15
15

Relative Humidity (%)

53
54
53
47
48
40
40
39
43
36
37
46
59
70
72
73
77
80
87
93
96
98
90
85

Pressure (mb)

1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1016
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1014
1014
1014

Ozone (du)

301
299
299
298
298
297
297
297
300
301
302
302
305
302
301
301
299
297
297
297
297
297
298
299

Tuesday 18

Waxing Crescent 36%

13:15

21:58

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
07 Bad
08 Bad

Sun - Rise: 05:59, Set: 20:23, Transit: 13:10. Moon - Rise: 13:15, Set: 21:58. Civil Dark: 21:00 - 05:23. Nautical Dark: 21:47 - 04:36. Astro Dark: 22:42 - 03:42

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
75
77

Low Clouds (% Sky Obscured)

89
93
97
100
91
85
80
85
87
81
50
93
100
97
94
91
80
71
60
66
67
63
7
17

Medium Clouds (% Sky Obscured)

82
76
71
79
83
29
39
95
98
94
99
98
97
98
99
100
90
80
70
9
2
0
0
0

High Clouds (% Sky Obscured)

85
100
100
100
89
79
67
57
50
50
45
39
2
22
45
72
75
69
95
100
95
71
55
55

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
4
6
9
5
2
3
2
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
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
Light Rain
Light Rain
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None

Precipitation Probability (%)

43
53
59
60
44
33
31
29
29
34
34
62
60
40
64
95
95
95
85
13
4
1
0
0

Precipitation Amount (mm)

0.2
0.3
0.4
0.4
0
0
0
0
0
0
0
0.4
0.4
0
0.3
1.2
1.3
1
0.5
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
85
86
86
84
81
81
81
78
77
81
88
93
93
89
85
93
95
93
92
92
92
90
84

Pressure (mb)

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

Ozone (du)

299
298
297
297
297
296
295
295
294
295
295
295
294
295
294
294
293
293
296
306
311
316
319
322

Wednesday 19

Waxing Crescent 46%

14:30

22:19

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

Sun - Rise: 06:01, Set: 20:21, Transit: 13:10. Moon - Rise: 14:30, Set: 22:19. Civil Dark: 20:58 - 05:24. Nautical Dark: 21:44 - 04:38. Astro Dark: 22:38 - 03:45

Total Clouds (% Sky Obscured)

78
84
86
99
99
99
98
69
40
14
47
73
100
100
99
93
86
79
59
47
39
31
35
42

Low Clouds (% Sky Obscured)

26
38
37
43
37
20
11
7
7
4
7
24
3
3
4
7
6
5
4
26
39
31
35
42

Medium Clouds (% Sky Obscured)

0
5
12
16
14
11
10
5
3
0
4
9
13
17
19
20
11
7
7
3
2
1
13
24

High Clouds (% Sky Obscured)

60
71
67
97
95
96
94
67
36
14
47
73
100
100
99
87
68
49
26
16
11
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 (%)

0
0
6
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
2
4

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
9
11
12
14
14
15
14
14
13
12
11
10
9
8
7
7
6
6
5
5
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
11
10
8
7
5
5
6
6
6
7
8
10
10
10
11
11
11
10
10
10
10
10
10

Relative Humidity (%)

78
67
56
46
42
35
34
36
38
40
44
52
69
75
79
86
90
90
92
93
90
86
83
78

Pressure (mb)

1012
1012
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010

Ozone (du)

323
324
323
324
324
325
327
330
333
335
335
336
338
339
340
342
343
343
344
344
345
346
347
346

Thursday 20

First Quarter 56%

15:43

22:48

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 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:03, Set: 20:19, Transit: 13:10. Moon - Rise: 15:43, Set: 22:48. Civil Dark: 20:55 - 05:26. Nautical Dark: 21:41 - 04:40. Astro Dark: 22:35 - 03:47

Total Clouds (% Sky Obscured)

50
58
65
72
78
85
90
73
59
44
44
45
45
40
32
24
23
23
24
34
44
53
53
54

Low Clouds (% Sky Obscured)

50
58
45
33
42
50
61
52
42
32
21
11
3
10
16
24
22
21
20
24
28
34
40
42

Medium Clouds (% Sky Obscured)

36
41
45
51
49
46
46
46
39
29
32
36
31
22
13
4
4
5
4
4
3
1
2
3

High Clouds (% Sky Obscured)

0
4
9
11
32
54
71
49
29
5
3
2
0
0
0
0
0
0
0
8
20
32
25
16

ISS Passover

Visibility (miles)

9
9
7
6
4
6
7
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
26
38
46
42
32
19
17
15
9
19
23
23
21
16
0
0
0
0
0
1
0
4
4

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
10
11
11
12
13
14
14
14
13
13
11
9
7
7
6
5
5
4
4
4
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
69
60
53
46
44
41
39
42
46
50
59
68
80
84
86
90
90
92
92
90
87
86
83

Pressure (mb)

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

Ozone (du)

345
344
344
343
342
342
342
342
342
342
342
342
341
341
342
342
343
342
342
341
340
340
340
341

Friday 21

Waxing Gibbous 66%

16:48

23:27

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: 06:04, Set: 20:17, Transit: 13:10. Moon - Rise: 16:48, Set: 23:27. Civil Dark: 20:53 - 05:28. Nautical Dark: 21:39 - 04:43. Astro Dark: 22:32 - 03:50

Total Clouds (% Sky Obscured)

59
64
68
72
78
84
91
93
96
99
94
89
84
75
65
57
57
54
52
51
49
43

Low Clouds (% Sky Obscured)

50
43
36
30
33
37
41
39
36
34
22
11
0
22
35
33
30
25
22
34
46
43

Medium Clouds (% Sky Obscured)

4
8
15
23
33
40
48
53
53
49
48
43
42
34
30
24
18
11
3
2
2
1

High Clouds (% Sky Obscured)

8
16
22
27
12
5
1
2
5
5
4
3
1
1
1
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

Fog (%)

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

Precipitation Probability (%)

1
5
5
4
9
9
3
8
10
10
9
5
0
0
0
0
1
1
0
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
16
18
19
20
20
21
21
20
19
18
17
16
15
14
14
13
13
12
12
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
79
64
53
44
40
38
36
38
41
44
48
51
55
59
65
71
76
83
92
90
90

Pressure (mb)

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

Ozone (du)

342
343
343
344
344
342
341
340
340
341
341
341
341
341
342
343
344
345
346
347
347
348

Forecast for Swindon, Swindon, United Kingdom (51.56,-1.78)

Generated: 15/08/26 09:55:54. Forecast: 15/08/26 to 21/08/26. Timezone: UTC+1.00