Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 20

First Quarter 56%

15:43

22:48

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
09 OK
10 OK
11 OK
12 OK

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)

78
79
82
76
70
43
44
45
74
82
49
78
71
58
56
61
69
71
73
70
45
45
34
34

Low Clouds (% Sky Obscured)

78
77
77
73
56
30
29
25
47
55
34
68
59
28
21
32
65
71
73
69
28
30
18
17

Medium Clouds (% Sky Obscured)

25
28
30
11
25
25
32
35
51
54
26
34
40
43
41
39
20
8
5
2
9
14
15
16

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
8
9
3
3
6
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

20
24
35
60
62
80
91
59
40
45
15
0
0
0
0
5
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.3
0.2
0.6
1
0.4
0.3
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
14
13
13
14
12
10
7
6
6
7
7
6
6
6
6
6
6
6
7
9
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

46
45
47
43
56
59
72
83
90
90
90
89
89
92
93
95
93
91
90
86
77
68
56
45

Pressure (mb)

1005
1005
1006
1006
1006
1006
1007
1007
1008
1009
1010
1010
1011
1011
1011
1012
1012
1012
1013
1013
1014
1014
1014
1014

Ozone (du)

354
353
352
353
353
352
350
348
346
345
345
344
344
343
344
345
346
347
347
346
347
348
349
349

Friday 21

Waxing Gibbous 66%

16:48

23:27

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

48
59
67
68
78
85
64
37
13
23
20
34
15
7
4
12
13
11
3
2
0
0
42
53

Low Clouds (% Sky Obscured)

16
32
47
40
42
38
50
34
8
18
20
34
15
4
4
8
9
8
3
2
0
0
29
30

Medium Clouds (% Sky Obscured)

25
21
13
16
25
27
18
31
9
9
4
4
2
4
2
0
0
0
0
0
0
0
0
26

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
3
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 (%)

0
0
0
1
2
1
10
7
10
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)

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

Chance of Frost

Temperature (°C)

18
19
19
20
20
19
18
16
14
13
12
12
11
11
10
10
9
9
9
11
13
15
16
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

40
36
32
32
36
39
42
47
56
69
73
76
75
81
85
88
90
88
80
66
55
48
43
38

Pressure (mb)

1014
1014
1014
1014
1014
1015
1016
1016
1017
1018
1019
1020
1020
1020
1021
1021
1022
1022
1023
1023
1024
1024
1024
1024

Ozone (du)

351
352
353
356
359
360
360
359
359
359
358
357
356
356
356
356
356
356
357
357
358
360
361
361

Saturday 22

Waxing Gibbous 75%

17:43

00:18

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

Sun - Rise: 06:06, Set: 20:15, Transit: 13:09. Moon - Rise: 17:43, Set: 00:18. Civil Dark: 20:51 - 05:30. Nautical Dark: 21:36 - 04:45. Astro Dark: 22:29 - 03:53

Total Clouds (% Sky Obscured)

50
47
50
27
42
38
8
8
20
8
15
27
5
3
3
0
0
0
0
0
0
10
19
31

Low Clouds (% Sky Obscured)

10
5
14
3
11
20
4
8
12
2
8
13
3
2
2
0
0
0
0
0
0
7
13
20

Medium Clouds (% Sky Obscured)

19
18
16
11
18
16
3
2
8
4
7
9
0
0
0
0
0
0
0
0
0
3
7
10

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 (%)

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

Chance of Frost

Temperature (°C)

19
19
20
20
20
20
20
18
16
15
15
14
12
11
11
10
10
9
9
12
14
17
18
20

Feels Like (°C)

18
18
19
19
20
19
20
18
15
15
15
13
12
11
11
10
10
9
10
13
14
16
18
19

Dew Point (°C)

3
2
2
2
2
2
3
5
6
6
6
7
7
7
7
7
8
8
8
8
7
7
6
5

Relative Humidity (%)

35
31
30
29
29
29
33
40
50
53
56
63
71
76
80
83
87
91
88
75
62
52
44
38

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1025

Ozone (du)

362
362
362
362
361
361
361
360
358
357
357
356
357
358
359
355
350
348
346
345
346
345
343
342

Sunday 23

Waxing Gibbous 83%

18:25

01:21

13 OK
14 OK
15 OK
16 OK
17 OK
18 OK
19 OK
20 OK
21 Good
22 Good
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: 06:07, Set: 20:13, Transit: 13:09. Moon - Rise: 18:25, Set: 01:21. Civil Dark: 20:49 - 05:31. Nautical Dark: 21:34 - 04:47. Astro Dark: 22:25 - 03:55

Total Clouds (% Sky Obscured)

33
39
40
46
46
45
38
26
13
11
16
18
34
47
58
61
65
64
73
76
76
74
76
77

Low Clouds (% Sky Obscured)

14
7
0
0
0
0
0
0
0
5
9
14
8
4
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

14
12
14
16
17
18
19
13
6
4
2
0
0
0
0
1
2
3
8
12
16
16
19
17

High Clouds (% Sky Obscured)

0
2
0
2
2
0
2
2
2
0
2
2
27
47
58
61
56
52
52
57
62
63
54
51

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)

5
5
5
5
4
5
4
4
4
4
3
3
3
4
4
5
5
6
6
9
12
14
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

32
29
26
25
25
26
32
40
46
48
52
56
58
58
60
62
65
71
73
60
49
43
38
35

Pressure (mb)

1025
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1021
1021
1021
1021
1020
1019
1019

Ozone (du)

341
340
338
337
337
336
335
335
334
334
334
333
333
333
333
333
333
331
328
326
326
327
329
330

Monday 24

Waxing Gibbous 90%

18:56

02:33

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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:09, Set: 20:10, Transit: 13:09. Moon - Rise: 18:56, Set: 02:33. Civil Dark: 20:46 - 05:33. Nautical Dark: 21:31 - 04:49. Astro Dark: 22:22 - 03:58

Total Clouds (% Sky Obscured)

74
67
67
76
87
96
98
93
100
100
100
100
96
91
90
84
77
71
63
57
52
49
46
44

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
1
7
10
13
22
34
47
44
41
37
57
57
52
49
46
44

Medium Clouds (% Sky Obscured)

14
11
14
18
78
53
81
42
94
92
86
90
89
84
78
74
70
65
63
57
52
49
46
44

High Clouds (% Sky Obscured)

44
34
36
54
75
88
88
81
100
100
100
100
90
81
77
73
54
40
33
27
22
22
22
29

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
2
2
2
7
9
17
32
25
11
10
9
14
9
7
1
2
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
4
4
3
3
4
6
8
9
9
11
11
12
12
12
13
13
13
13
12
11
10
11
11

Relative Humidity (%)

31
29
27
27
28
32
40
47
55
62
69
75
78
80
82
85
83
82
82
70
59
51
48
45

Pressure (mb)

1018
1017
1016
1016
1015
1015
1015
1015
1015
1014
1014
1014
1013
1013
1012
1011
1011
1011
1011
1011
1011
1011
1010
1010

Ozone (du)

330
328
326
324
324
322
321
322
322
322
321
319
321
321
321
321
321
321
321
321
321
321
322
322

Tuesday 25

Waxing Gibbous 95%

19:19

03:49

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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:11, Set: 20:08, Transit: 13:09. Moon - Rise: 19:19, Set: 03:49. Civil Dark: 20:44 - 05:35. Nautical Dark: 21:29 - 04:51. Astro Dark: 22:19 - 04:01

Total Clouds (% Sky Obscured)

50
56
65
65
58
61
54
52
47
48
51
50
61
75
90
95
98
100
99
99
99
99
100
100

Low Clouds (% Sky Obscured)

44
29
16
10
5
0
0
0
0
13
27
43
42
44
46
54
54
54
64
65
57
55
52
49

Medium Clouds (% Sky Obscured)

50
56
58
39
25
13
15
18
16
16
17
17
19
19
25
31
43
56
70
84
99
92
84
76

High Clouds (% Sky Obscured)

31
29
32
45
58
61
54
34
3
2
1
1
30
58
84
91
96
98
72
50
29
56
79
99

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
5
7
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
4
5
4
7
8
3
8
11
11
12
9
3
13
16
18
20
14
4
6
5
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)

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

Chance of Frost

Temperature (°C)

26
26
26
27
25
24
23
21
19
18
18
17
17
17
17
17
17
17
17
19
20
21
23
24

Feels Like (°C)

19
22
22
22
22
22
22
20
20
20
19
18
17
16
16
17
17
16
16
17
18
19
19
19

Dew Point (°C)

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

Relative Humidity (%)

42
39
37
34
40
48
56
62
67
74
77
78
81
85
89
95
95
96
96
86
77
69
58
50

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010

Ozone (du)

323
322
320
319
317
315
313
313
314
314
313
313
313
311
310
308
309
309
310
311
311
312
313
314

Wednesday 26

Waxing Gibbous 99%

19:37

05:05

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: 06:12, Set: 20:06, Transit: 13:08. Moon - Rise: 19:37, Set: 05:05. Civil Dark: 20:42 - 05:37. Nautical Dark: 21:26 - 04:53. Astro Dark: 22:16 - 04:03

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

34
20
5
13
21
29
28
26
24
28
25
18
34
54
74
74
76
76

Medium Clouds (% Sky Obscured)

83
90
97
97
97
97
91
85
79
81
82
84
84
84
84
85
84
85

High Clouds (% Sky Obscured)

93
86
77
83
92
100
100
100
100
100
100
100
100
100
100
98
97
97

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

16
24
32
44
49
49
86
95
95
95
94
64
63
62
61
62
59
54

Precipitation Amount (mm)

0
0
0
0
0
0
0.5
0.9
1.4
1
0.6
0.2
0.2
0.3
0.3
0.3
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

26
25
25
25
24
24
23
22
21
20
19
18
18
18
18
17
17
17

Feels Like (°C)

20
25
25
24
24
25
26
20
21
22
21
20
19
18
18
17
18
18

Dew Point (°C)

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

Relative Humidity (%)

42
45
48
50
59
70
80
87
91
96
96
96
96
96
96
96
96
96

Pressure (mb)

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

Ozone (du)

316
316
315
315
316
318
319
321
323
325
327
329
330
333
336
339
340
341

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

Generated: 20/08/26 13:10:23. Forecast: 20/08/26 to 26/08/26. Timezone: UTC+1.00