Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 29

Waning Gibbous 96%

20:25

09:08

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 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 06:29, Set: 20:08, Transit: 13:18. Moon - Rise: 20:25, Set: 09:08. Civil Dark: 20:43 - 05:55. Nautical Dark: 21:25 - 05:13. Astro Dark: 22:11 - 04:27

Total Clouds (% Sky Obscured)

84
79
73
53
49
41
45
63
92
93
82
91
81
66
91
64
68
99
100
81
97
80
85
65

Low Clouds (% Sky Obscured)

55
52
55
53
49
41
39
45
53
53
48
47
36
40
81
41
45
74
82
76
79
47
52
40

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
11
5
9
5
0
3
10
10
21
30
39
36
71
0
20
25
25
40

High Clouds (% Sky Obscured)

2
2
0
0
0
0
2
14
30
25
19
20
11
1
7
64
68
99
89
4
75
80
81
12

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
5
3
4
7
8
5
4

Fog (%)

0
0
0
0
0
0
0
0
0
0
5
7
2
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
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

15
10
3
3
6
6
11
16
20
29
12
14
19
51
72
66
95
95
95
64
72
88
88
90

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.2
0.9
2
0.9
0.4
0.6
0.9
0.5
0.5

Wind Speed/Direction (mph)

18
16
14
13
12
9
7
6
5
5
5
6
8
13
15
17
19
20
19
17
17
16
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

15
15
14
14
14
14
14
13
13
13
13
13
14
14
12
13
11
12
15
15
14
13
13
14

Relative Humidity (%)

92
92
93
93
93
95
96
96
98
98
98
98
93
85
73
73
65
71
92
90
81
79
81
90

Pressure (mb)

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

Ozone (du)

310
312
313
314
315
315
315
314
314
314
314
316
318
323
324
323
323
327
335
334
331
332
334
336

Sunday 30

Waning Gibbous 91%

20:38

10:27

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 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 06:31, Set: 20:06, Transit: 13:17. Moon - Rise: 20:38, Set: 10:27. Civil Dark: 20:40 - 05:57. Nautical Dark: 21:22 - 05:15. Astro Dark: 22:09 - 04:29

Total Clouds (% Sky Obscured)

74
57
74
83
77
48
73
79
76
62
67
67
74
70
66
100
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

46
46
71
57
44
41
55
62
60
54
67
67
74
70
65
70
72
61
52
47
59
41
1
0

Medium Clouds (% Sky Obscured)

6
0
0
0
8
0
4
4
8
1
0
0
0
0
0
0
0
3
5
5
5
5
0
89

High Clouds (% Sky Obscured)

7
1
1
75
0
0
1
1
0
0
0
0
34
12
31
100
97
100
100
100
100
99
85
100

ISS Passover

Visibility (miles)

8
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 (%)

37
23
25
20
23
14
28
41
27
21
8
17
16
16
13
6
10
3
2
7
1
1
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)

17
15
16
17
17
16
15
16
16
17
17
17
16
16
16
17
17
16
16
15
13
13
12
8

Chance of Frost

Temperature (°C)

14
14
14
14
14
14
14
14
14
14
14
14
14
14
15
15
16
16
16
16
16
16
15
15

Feels Like (°C)

11
12
11
11
11
11
12
12
12
12
11
11
11
11
12
12
12
12
12
12
12
12
12
13

Dew Point (°C)

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

Relative Humidity (%)

92
92
90
90
92
90
90
92
93
92
92
90
89
89
80
76
67
67
63
64
61
63
66
73

Pressure (mb)

1006
1007
1007
1007
1008
1008
1009
1009
1010
1011
1012
1013
1014
1015
1016
1017
1017
1018
1018
1019
1019
1019
1019
1020

Ozone (du)

341
337
338
336
335
335
332
330
331
331
331
327
324
322
318
315
314
312
312
311
311
311
311
311

Monday 31

Waning Gibbous 83%

20:53

11:49

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 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 06:32, Set: 20:04, Transit: 13:17. Moon - Rise: 20:53, Set: 11:49. Civil Dark: 20:38 - 05:58. Nautical Dark: 21:20 - 05:17. Astro Dark: 22:06 - 04:31

Total Clouds (% Sky Obscured)

96
94
93
81
53
87
99
89
92
84
84
85
90
88
94
96
90
90
90
89
91
76
74
76

Low Clouds (% Sky Obscured)

51
52
24
39
42
35
34
28
30
35
34
33
34
41
70
66
75
90
79
52
36
44
32
23

Medium Clouds (% Sky Obscured)

96
94
93
68
9
81
87
89
91
84
84
84
90
70
25
64
19
19
69
84
70
8
0
7

High Clouds (% Sky Obscured)

45
13
0
2
0
26
97
49
32
20
3
1
2
13
69
70
35
36
38
39
56
39
50
61

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
8
6
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
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

3
4
3
3
7
7
6
7
7
9
9
12
15
35
50
46
46
37
25
12
22
9
8
5

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
13
12
12
12
12
12
12
12
12
12
13
15
16
17
18
18
18
18
18
18
18
17

Feels Like (°C)

12
12
12
11
12
13
11
11
11
11
11
11
13
13
15
15
15
16
16
16
16
16
16
16

Dew Point (°C)

10
11
11
11
10
10
11
10
11
11
10
11
11
12
12
12
11
12
13
12
12
11
11
12

Relative Humidity (%)

82
86
87
90
90
92
93
92
93
92
92
92
86
80
75
71
66
70
71
65
69
62
65
74

Pressure (mb)

1020
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

312
311
312
310
310
308
308
309
311
312
311
312
311
310
311
310
311
312
314
317
323
317
315
312

Tuesday 1

Waning Gibbous 74%

21:11

13:13

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 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 06:34, Set: 20:02, Transit: 13:17. Moon - Rise: 21:11, Set: 13:13. Civil Dark: 20:36 - 06:00. Nautical Dark: 21:17 - 05:19. Astro Dark: 22:03 - 04:34

Total Clouds (% Sky Obscured)

98
99
100
97
97
100
98
100
99
98
93
100
100
100
100
100
100
100
100
100
100
96
89
89

Low Clouds (% Sky Obscured)

24
25
28
31
35
45
44
38
70
49
39
94
97
99
99
100
100
98
88
99
64
69
65
64

Medium Clouds (% Sky Obscured)

17
27
93
76
66
91
81
81
38
23
22
20
24
32
24
41
83
82
46
5
5
30
7
71

High Clouds (% Sky Obscured)

97
99
100
90
92
100
83
100
91
93
81
96
78
63
57
74
79
83
90
96
98
75
60
57

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
6
6
6
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

3
2
10
9
8
10
11
6
10
10
12
20
20
25
20
30
33
45
51
54
56
43
33
31

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
6
6
6
7
7
7
9
10
11
12
13
14
15
16
17
17
17
18
19
19
18
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
92
93
96
95
95
96
96
96
95
96
96
93
92
92
92
93
90
82
81
86
88
90
90

Pressure (mb)

1021
1021
1021
1021
1020
1020
1020
1019
1019
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1016
1016
1016
1016

Ozone (du)

310
307
304
302
300
299
298
297
295
293
291
289
290
290
290
289
289
288
287
288
287
288
288
289

Wednesday 2

Waning Gibbous 63%

21:35

14:38

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 OK
18 OK
19 OK

Sun - Rise: 06:35, Set: 19:57, Transit: 13:16. Moon - Rise: 21:35, Set: 14:38. Civil Dark: 20:33 - 06:02. Nautical Dark: 21:15 - 05:20. Astro Dark: 22:00 - 04:36

Total Clouds (% Sky Obscured)

81
65
71
76
80
83
87
90
93
95
97
95
93
89
81
72
64
54
44
34
27
27
28
26

Low Clouds (% Sky Obscured)

65
65
71
76
79
83
87
85
89
88
95
74
51
28
27
28
27
27
23
20
18
21
22
17

Medium Clouds (% Sky Obscured)

61
52
71
76
80
54
87
90
85
90
97
95
93
89
81
62
41
27
14
0
0
0
0
3

High Clouds (% Sky Obscured)

51
3
26
25
25
25
25
35
40
44
53
39
57
60
50
37
23
17
10
2
1
1
0
0

ISS Passover

Visibility (miles)

9
9
9
9
5
4
2
0
1
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
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

13
6
41
77
89
69
89
92
44
17
22
24
20
17
19
19
9
14
12
6
14
16
17
17

Precipitation Amount (mm)

0
0
0
0.4
0.5
0.3
0.3
0.9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
16
16
16
16
16
16
16
16
16
16
16
17
17
17
18
18
19
19
18
18
17
17
16

Feels Like (°C)

15
14
14
14
14
14
15
14
14
15
14
14
15
15
15
15
14
14
17
16
16
16
16
16

Dew Point (°C)

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

Relative Humidity (%)

93
93
96
96
96
96
96
96
96
96
95
95
90
86
83
74
66
59
60
61
62
70
75
82

Pressure (mb)

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

Ozone (du)

288
288
288
287
287
289
289
291
291
293
294
295
296
297
297
302
306
310
312
313
315
317
319
321

Thursday 3

Waning Gibbous 51%

22:08

15:57

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
18 Bad
19 Bad

Sun - Rise: 06:37, Set: 19:55, Transit: 13:16. Moon - Rise: 22:08, Set: 15:57. Civil Dark: 20:31 - 06:03. Nautical Dark: 21:12 - 05:22. Astro Dark: 21:57 - 04:38

Total Clouds (% Sky Obscured)

27
30
46
57
66
77
89
100
100
100
100
100
100
100
100
100
100
99
98
97
98
99
100
96

Low Clouds (% Sky Obscured)

12
7
8
12
13
14
14
15
10
10
10
10
5
10
18
21
29
35
45
48
48
51
52
39

Medium Clouds (% Sky Obscured)

5
11
11
12
12
10
12
8
8
5
3
11
18
28
25
28
31
36
36
40
47
48
53
52

High Clouds (% Sky Obscured)

0
0
11
20
28
39
52
55
45
35
35
35
35
35
37
40
42
43
40
32
38
43
49
61

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

13
6
11
11
10
12
11
6
11
15
20
24
28
27
34
37
41
43
57
69
72
76
85
83

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.5
0.5
0.8
0.5

Wind Speed/Direction (mph)

13
11
10
9
9
8
8
8
8
10
11
13
15
17
18
19
19
19
19
18
17
16
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
14
14
13
13
12
12
11
12
12
12
13
13
13
13
13
13
15
15
14
14
15
15

Dew Point (°C)

13
12
12
12
12
11
11
11
11
12
12
13
13
13
12
12
12
11
12
12
12
13
13
14

Relative Humidity (%)

85
84
87
86
87
86
86
86
86
86
87
87
81
76
70
66
63
61
62
64
66
71
76
81

Pressure (mb)

1019
1019
1020
1020
1020
1020
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

323
325
328
324
321
317
316
314
313
311
309
308
306
304
303
301
299
298
296
294
293
292
291
291

Friday 4

Third Quarter 39%

22:57

17:01

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: 06:38, Set: 19:53, Transit: 13:16. Moon - Rise: 22:57, Set: 17:01. Civil Dark: 20:29 - 06:05. Nautical Dark: 21:10 - 05:24. Astro Dark: 21:54 - 04:40

Total Clouds (% Sky Obscured)

91
87
79
68
59
63
70
74
82
90
99
99
99
100
98
97
95

Low Clouds (% Sky Obscured)

26
13
17
26
33
45
52
58
69
80
91
92
92
91
92
91
92

Medium Clouds (% Sky Obscured)

53
55
43
27
14
13
11
10
5
5
5
0
0
2
1
1
0

High Clouds (% Sky Obscured)

73
85
79
68
59
63
61
59
63
66
70
72
70
72
66
53
49

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
95
68
46
48
49
47
37
26
7
8
6
0

Precipitation Amount (mm)

0.9
1.3
1.4
2
2.3
1.2
0.4
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
10
8
8
7
6
7
7
8
8
8
8
10
12
14
14
14

Chance of Frost

Temperature (°C)

17
17
16
16
16
16
16
16
16
16
16
16
16
17
17
18
18

Feels Like (°C)

13
14
15
15
14
14
15
15
15
15
14
14
15
15
15
15
15

Dew Point (°C)

14
15
15
15
15
15
15
16
15
15
15
15
15
15
15
14
14

Relative Humidity (%)

85
89
93
95
93
95
95
96
95
96
96
96
92
87
85
81
77

Pressure (mb)

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

Ozone (du)

292
293
294
293
293
293
294
294
295
295
294
294
293
292
291
290
290

Forecast for Upton, Cornwall, United Kingdom (50.54,-4.43)

Generated: 29/08/26 20:26:06. Forecast: 29/08/26 to 04/09/26. Timezone: UTC+1.00