Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 26

Waxing Gibbous 99%

19:37

05:05

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
13 Bad
14 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)

82
91
93
93
100
100
100
100
65
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

52
35
65
25
12
0
0
0
0
18
25
33
68
76
76
79
85
85
65
73
69
74
84
39

Medium Clouds (% Sky Obscured)

0
0
0
0
0
5
15
93
18
34
89
100
100
100
100
99
100
94
82
81
81
85
89
17

High Clouds (% Sky Obscured)

82
91
90
93
100
100
93
100
37
83
100
100
92
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
7
9
9
3
9
9
3
4
3
5
4
3
5

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

Precipitation Probability (%)

30
10
6
16
10
4
1
2
3
6
28
55
95
95
95
74
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
2
0.6
0
1.9
1.6
1.4
1.4
0.5
2
0.7
1.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
9
9
10
11
14
14
14
13
13
14
16
16
16
17
16
16
17
17
18
18
19
19
19

Relative Humidity (%)

39
36
36
41
48
61
69
70
69
70
79
89
90
90
93
92
92
96
95
95
92
88
93
92

Pressure (mb)

1011
1011
1011
1010
1011
1011
1011
1011
1011
1010
1010
1010
1009
1009
1008
1008
1008
1008
1008
1008
1007
1007
1007
1007

Ozone (du)

323
323
322
322
321
321
321
322
319
318
317
317
317
318
319
319
320
320
321
321
323
324
324
328

Thursday 27

Waxing Gibbous 100%

19:51

06:22

15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 Bad
21 Bad
22 OK
23 Bad
00 OK
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

Sun - Rise: 06:14, Set: 20:04, Transit: 13:08. Moon - Rise: 19:51, Set: 06:22. Civil Dark: 20:39 - 05:38. Nautical Dark: 21:23 - 04:55. Astro Dark: 22:13 - 04:06

Total Clouds (% Sky Obscured)

100
100
55
40
13
52
66
36
40
39
50
50
55
60
65
73
82
81
81
85
86
100
100
94

Low Clouds (% Sky Obscured)

39
22
18
13
5
15
24
23
29
21
21
19
25
31
43
47
59
39
40
41
32
30
75
72

Medium Clouds (% Sky Obscured)

95
52
2
0
0
4
4
0
0
0
0
0
0
30
30
26
35
35
30
35
25
38
100
94

High Clouds (% Sky Obscured)

100
100
20
17
4
30
35
8
0
5
50
50
55
60
65
73
82
81
81
85
32
100
100
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

Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
None

Precipitation Probability (%)

79
33
12
36
6
1
0
0
0
0
0
0
0
0
0
1
1
9
22
81
84
90
93
70

Precipitation Amount (mm)

0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.6
0.7
0.7
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

15
13
11
11
12
12
13
14
14
14
14
14
13
14
14
13
14
13
12
11
9
7
5
9

Relative Humidity (%)

72
62
56
57
63
71
82
90
93
95
93
95
93
95
95
95
95
87
77
67
58
50
44
57

Pressure (mb)

1007
1007
1006
1006
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1006
1006
1007
1007
1006
1006
1005
1005

Ozone (du)

331
335
337
337
342
340
341
346
347
348
349
348
347
347
346
345
344
343
342
343
339
337
332
329

Friday 28

Full Moon 99%

20:03

07:39

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
13 Bad
14 Bad

Sun - Rise: 06:15, Set: 20:02, Transit: 13:07. Moon - Rise: 20:03, Set: 07:39. Civil Dark: 20:37 - 05:40. Nautical Dark: 21:21 - 04:57. Astro Dark: 22:10 - 04:08

Total Clouds (% Sky Obscured)

100
89
86
68
69
45
55
58
74
74
100
100
100
100
100
100
100
100
100
97
95
91
86
75

Low Clouds (% Sky Obscured)

82
81
66
65
43
24
23
46
73
74
90
88
80
47
71
82
85
86
100
80
75
71
74
63

Medium Clouds (% Sky Obscured)

87
89
86
68
13
1
1
0
4
0
0
18
30
30
30
100
99
100
87
13
17
20
20
16

High Clouds (% Sky Obscured)

100
10
15
2
0
0
0
0
8
37
100
100
100
100
100
66
25
25
7
83
70
11
8
4

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
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
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

59
67
54
24
11
5
3
1
0
4
0
0
1
12
45
72
92
95
95
58
58
41
44
43

Precipitation Amount (mm)

0
0.5
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
1
1.8
0
0.3
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
85
89
89
88
92
96
96
96
92
90
89
87
87
92
93
92
92
93
92
92
93
91
77

Pressure (mb)

1005
1005
1005
1005
1005
1006
1007
1008
1008
1008
1008
1008
1008
1007
1007
1007
1007
1007
1006
1006
1006
1005
1005
1004

Ozone (du)

327
327
325
324
323
323
321
315
309
308
307
306
304
301
299
298
299
301
303
305
308
308
307
308

Saturday 29

Waning Gibbous 96%

20:14

08:57

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
13 Bad
14 Bad

Sun - Rise: 06:17, Set: 20:00, Transit: 13:07. Moon - Rise: 20:14, Set: 08:57. Civil Dark: 20:35 - 05:42. Nautical Dark: 21:18 - 04:59. Astro Dark: 22:07 - 04:11

Total Clouds (% Sky Obscured)

60
78
79
79
84
88
91
90
90
88
94
96
100
100
100
100
100
100
99
78
84
99
98
100

Low Clouds (% Sky Obscured)

37
78
79
79
84
84
85
84
86
80
90
87
92
86
84
48
36
38
24
32
43
59
67
76

Medium Clouds (% Sky Obscured)

9
9
10
8
4
2
0
0
0
0
0
0
0
2
27
34
65
51
3
6
10
15
18
18

High Clouds (% Sky Obscured)

0
0
0
0
19
40
59
60
64
62
68
77
94
99
100
100
100
99
95
56
52
45
45
45

ISS Passover

Visibility (miles)

9
8
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 (%)

38
22
9
22
17
25
19
10
17
4
2
3
0
8
3
0
0
2
1
4
11
29
33
48

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)

20
20
19
18
17
16
14
13
13
13
13
12
12
12
11
10
10
11
13
14
15
16
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
73
85
89
82
85
86
89
89
86
89
86
83
83
83
85
86
83
73
64
56
52
56
52

Pressure (mb)

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

Ozone (du)

308
308
308
307
307
306
305
306
306
306
306
305
305
305
304
304
304
304
305
307
308
309
310
310

Sunday 30

Waning Gibbous 91%

20:26

10:17

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
13 Bad
14 Bad

Sun - Rise: 06:19, Set: 19:57, Transit: 13:07. Moon - Rise: 20:26, Set: 10:17. Civil Dark: 20:32 - 05:44. Nautical Dark: 21:16 - 05:01. Astro Dark: 22:04 - 04:13

Total Clouds (% Sky Obscured)

100
88
100
86
92
39
45
54
58
90
96
90
92
78
68
59
73
82
90
88
85
86
87
83

Low Clouds (% Sky Obscured)

82
67
39
43
55
30
34
33
29
37
83
76
86
69
58
53
60
66
71
77
85
86
76
58

Medium Clouds (% Sky Obscured)

14
16
41
15
92
4
5
12
3
19
25
8
3
7
3
0
3
5
8
14
19
25
21
17

High Clouds (% Sky Obscured)

45
52
100
79
85
19
16
22
30
75
78
17
0
0
2
0
5
8
10
20
30
40
54
68

ISS Passover

Visibility (miles)

9
9
9
9
7
2
2
4
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
Very Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

54
64
92
95
95
95
95
63
26
21
27
14
16
4
7
1
10
12
11
14
15
18
14
11

Precipitation Amount (mm)

0
0
0.3
3.7
1.2
1.2
1.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
14
14
13
13
13
15
13
12
12
10
10
10
9
11
10
11
11
11
12
12
12
12
15

Dew Point (°C)

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

Relative Humidity (%)

49
50
54
62
89
87
93
90
92
93
92
90
90
90
92
90
92
87
83
79
74
69
65
61

Pressure (mb)

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

Ozone (du)

315
322
327
326
321
326
329
334
337
335
335
336
332
332
330
327
326
323
320
318
317
316
315
314

Monday 31

Waning Gibbous 83%

20:39

11:41

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
13 Bad
14 Bad

Sun - Rise: 06:20, Set: 19:55, Transit: 13:06. Moon - Rise: 20:39, Set: 11:41. Civil Dark: 20:30 - 05:45. Nautical Dark: 21:13 - 05:03. Astro Dark: 22:01 - 04:15

Total Clouds (% Sky Obscured)

80
76
77
80
79
79
80
86
93
100
99
96
90
88
85
83
83
82
82
87
93
100
93
86

Low Clouds (% Sky Obscured)

40
30
20
13
9
4
0
0
0
0
11
23
34
47
60
70
78
82
82
87
93
96
78
60

Medium Clouds (% Sky Obscured)

13
13
12
11
17
25
34
54
77
100
99
96
90
88
85
83
83
69
55
70
84
98
72
46

High Clouds (% Sky Obscured)

80
73
65
65
70
71
73
79
85
92
88
78
60
57
60
58
45
28
11
29
47
62
41
22

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 (%)

1
3
3
0
1
1
0
0
2
5
8
7
0
1
2
2
4
6
6
25
40
51
53
50

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
55
56
58
60
67
71
77
79
80
80
80
80
81
83
83
84
79
73
67
74
81
89
73

Pressure (mb)

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

Ozone (du)

313
312
312
312
312
311
311
311
311
312
313
314
316
317
318
320
321
320
320
319
321
322
324
325

Tuesday 1

Waning Gibbous 74%

20:56

13:07

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: 06:22, Set: 19:53, Transit: 13:06. Moon - Rise: 20:56, Set: 13:07. Civil Dark: 20:28 - 05:47. Nautical Dark: 21:10 - 05:05. Astro Dark: 21:58 - 04:18

Total Clouds (% Sky Obscured)

79
76
71
70
86
86
87
91
96
100
100
100
100
97
90
78
72
69
69
68
68
67

Low Clouds (% Sky Obscured)

43
33
30
22
24
30
32
23
15
7
4
0
0
5
5
5
4
4
4
4
4
5

Medium Clouds (% Sky Obscured)

20
24
20
20
20
20
15
15
15
20
35
44
51
41
26
10
17
29
41
40
38
34

High Clouds (% Sky Obscured)

0
18
40
70
85
86
86
91
95
100
96
93
89
89
84
75
70
66
69
68
64
60

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

Precipitation Probability (%)

42
34
24
15
14
17
23
44
54
58
51
52
66
68
69
61
78
95
95
95
95
89

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0
0
0.4
0.3
0.4
0.3
0.4
0.6
1.3
1
0.8
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
49
51
53
55
64
74
85
87
89
92
92
93
93
93
93
92
80
69
61
55
50

Pressure (mb)

1015
1015
1015
1016
1016
1016
1016
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017

Ozone (du)

326
328
328
329
330
328
326
324
325
325
325
326
327
328
328
329
329
330
331
331
329
327

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

Generated: 26/08/26 15:40:11. Forecast: 26/08/26 to 01/09/26. Timezone: UTC+1.00