Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 26

Waxing Gibbous 99%

19:59

05:20

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
18 Bad
19 Bad

Sun - Rise: 06:25, Set: 20:15, Transit: 13:19. Moon - Rise: 19:59, Set: 05:20. Civil Dark: 20:49 - 05:50. Nautical Dark: 21:32 - 05:07. Astro Dark: 22:20 - 04:20

Total Clouds (% Sky Obscured)

39
53
63
100
100
100
100
100
100
100
100
100
100
100
100
99
100
91
98
100
99
84
62
66

Low Clouds (% Sky Obscured)

1
25
34
38
44
50
71
97
87
91
86
79
57
53
53
36
36
34
58
68
71
46
42
35

Medium Clouds (% Sky Obscured)

24
53
63
100
49
99
85
99
66
57
45
9
13
8
0
0
36
39
63
34
17
60
23
20

High Clouds (% Sky Obscured)

39
53
63
79
100
99
100
100
100
100
100
100
100
100
100
95
100
34
83
99
92
20
24
27

ISS Passover

Visibility (miles)

9
9
9
3
9
9
9
7
5
6
9
4
9
9
9
9
9
9
8
8
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
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

3
28
95
91
74
95
95
95
95
73
45
29
29
22
10
7
6
21
35
35
29
14
19
6

Precipitation Amount (mm)

0
0
0
0.4
0
0.6
1.3
1.5
1
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
16
15
15
15
15
15
16
16
16
16
16
17
17
18
17
18
17
17
17
17
17
17
16

Dew Point (°C)

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

Relative Humidity (%)

72
83
83
87
86
87
90
93
95
95
96
98
93
88
82
71
59
56
59
67
65
65
69
72

Pressure (mb)

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

Ozone (du)

326
326
327
328
329
330
330
328
331
332
333
334
335
335
336
336
337
338
338
338
339
340
341
343

Thursday 27

Waxing Gibbous 100%

19:59

06:35

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: 06:26, Set: 20:13, Transit: 13:18. Moon - Rise: 19:59, Set: 06:35. Civil Dark: 20:47 - 05:52. Nautical Dark: 21:30 - 05:09. Astro Dark: 22:17 - 04:22

Total Clouds (% Sky Obscured)

100
97
98
100
100
100
100
100
100
100
100
99
100
100
100
97
91
87
87
79
74
73
80
86

Low Clouds (% Sky Obscured)

40
47
49
51
51
54
48
45
52
49
49
55
51
59
94
85
91
85
86
79
74
71
79
85

Medium Clouds (% Sky Obscured)

10
1
1
15
10
5
13
19
29
35
100
88
100
99
99
97
30
8
12
9
5
6
4
0

High Clouds (% Sky Obscured)

100
96
97
100
100
100
100
40
37
26
100
83
91
65
99
35
30
1
0
0
0
0
2
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
9
6
7
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
10
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

7
9
7
7
11
12
21
42
32
32
61
88
95
95
79
71
33
23
28
33
16
12
8
9

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.7
0.7
0.3
0.4
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
8
9
8
9
9
9
8
8
9
9
10
11
13
13
12
16
16
18
17
16
16
17
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
92
92
95
95
95
95
96
96
96
96
98
90
85
75
76
77
88
89
88
85
85
85
90

Pressure (mb)

1008
1008
1008
1008
1008
1008
1008
1007
1007
1007
1007
1007
1007
1006
1006
1007
1007
1007
1007
1008
1008
1008
1008
1008

Ozone (du)

345
345
346
345
343
344
342
340
337
334
331
329
326
324
326
328
326
323
320
318
318
315
312
310

Friday 28

Full Moon 99%

20:12

07:51

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: 06:28, Set: 20:10, Transit: 13:18. Moon - Rise: 20:12, Set: 07:51. Civil Dark: 20:45 - 05:53. Nautical Dark: 21:27 - 05:11. Astro Dark: 22:14 - 04:25

Total Clouds (% Sky Obscured)

100
97
98
100
100
100
100
100
99
100
100
92
92
74
73
62
74
78
81
84
88
94
98
82

Low Clouds (% Sky Obscured)

81
84
78
62
62
78
88
94
96
98
90
91
84
73
70
62
74
78
81
84
86
85
83
62

Medium Clouds (% Sky Obscured)

0
0
0
12
15
23
100
100
99
96
93
4
1
4
4
3
2
0
0
0
4
9
14
7

High Clouds (% Sky Obscured)

74
83
91
100
100
100
100
15
20
80
75
29
43
31
0
0
0
0
0
0
18
38
48
38

ISS Passover

Visibility (miles)

9
9
9
9
9
5
9
6
2
2
0
0
9
8
5
5
5
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
6
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

7
6
9
10
26
63
79
95
95
95
95
59
39
58
65
58
50
28
34
42
15
25
21
12

Precipitation Amount (mm)

0
0
0
0
0
0.4
0.4
1.2
2.2
0.8
0.5
0
0
0.4
0.4
0.3
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
12
12
10
9
10
13
14
15
17
18
17
18
20
21
22
24
24
23
22
24
23
22
21

Chance of Frost

Temperature (°C)

16
16
16
16
15
15
15
15
15
15
16
16
17
17
18
18
18
18
18
18
18
18
17
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
89
87
83
95
98
96
96
98
98
98
98
95
93
90
88
86
86
93
93
89
90
90
87

Pressure (mb)

1009
1009
1010
1010
1009
1009
1008
1008
1007
1006
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1006
1007

Ozone (du)

307
305
305
303
301
299
297
297
300
302
306
310
311
309
309
308
307
309
308
307
307
307
306
306

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)

80
80
77
67
68
87
93
100
100
100
97
71
65
63
62
60
100
100
100
90
43
48
73
78

Low Clouds (% Sky Obscured)

69
76
73
62
66
74
71
51
33
32
31
30
15
16
16
21
19
22
93
59
15
27
52
21

Medium Clouds (% Sky Obscured)

6
2
2
2
0
0
2
1
1
37
0
3
7
15
18
18
19
17
28
7
2
5
73
78

High Clouds (% Sky Obscured)

25
12
15
14
16
74
86
100
100
100
94
40
20
0
18
34
100
100
100
79
30
17
8
42

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

21
8
19
18
11
14
20
10
14
21
14
28
35
33
52
70
95
95
95
83
65
77
75
51

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.8
1.2
1.1
0.4
0.2
0.4
0.4
0

Wind Speed/Direction (mph)

20
18
17
15
14
13
12
11
9
7
7
8
11
15
18
20
22
22
21
18
19
18
18
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
90
90
95
93
92
93
95
96
98
96
90
79
66
64
64
70
85
93
74
67
78
87

Pressure (mb)

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

Ozone (du)

306
305
305
305
304
304
304
304
304
305
307
309
310
312
313
315
321
327
329
329
329
329
334
339

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)

67
72
68
70
74
74
69
62
54
62
66
87
92
97
98
99
100
100
99
99
99
99
99
99

Low Clouds (% Sky Obscured)

24
35
40
40
44
48
39
37
34
53
55
57
62
67
71
75
78
79
81
82
59
34
6
6

Medium Clouds (% Sky Obscured)

0
31
0
0
4
3
2
1
1
0
0
1
3
1
0
0
5
6
7
12
34
51
68
78

High Clouds (% Sky Obscured)

39
50
26
14
0
0
2
0
0
1
17
62
62
62
80
92
100
99
99
98
99
96
95
95

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 (%)

39
36
41
34
23
22
28
14
18
24
12
21
21
16
20
24
24
22
20
16
12
7
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
11
10
11
11
11
11
12
12
12
11
11
11
12
12
11
11
14
14
14
14
14
14

Dew Point (°C)

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

Relative Humidity (%)

89
90
92
90
92
90
90
92
92
93
93
90
89
86
84
78
72
66
61
58
54
58
61
66

Pressure (mb)

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

Ozone (du)

340
338
337
336
335
333
333
329
326
323
319
317
316
316
315
315
315
315
314
314
314
313
313
312

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)

99
99
96
93
89
92
95
97
93
89
84
85
87
89
88
86
85
82
78
70
65
61
56
62

Low Clouds (% Sky Obscured)

6
6
7
10
10
34
59
83
78
72
66
60
53
47
52
55
59
44
30
13
11
12
9
8

Medium Clouds (% Sky Obscured)

88
97
95
93
89
92
95
97
92
87
83
67
52
38
32
30
26
22
14
7
15
17
19
14

High Clouds (% Sky Obscured)

95
85
80
75
70
65
65
55
31
12
1
24
47
70
48
27
5
23
42
65
65
61
56
62

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

6
6
15
21
22
26
35
39
39
37
27
36
44
47
59
65
61
49
34
15
12
11
8
29

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
7
6
6
6
7
7
7
7
8
9
10
12
15
17
17
17
17
18
18
19
18
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
78
83
84
86
87
89
90
92
93
93
93
90
87
85
79
74
70
62
56
51
55
61
66

Pressure (mb)

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

Ozone (du)

312
312
312
314
315
317
319
320
321
321
321
321
322
324
325
326
326
327
328
328
329
330
332
333

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

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)

71
83
85
85
87
72
60
45
49
57
76
80
81
81
92
97
99

Low Clouds (% Sky Obscured)

8
8
8
14
20
25
25
20
20
20
20
15
15
15
28
45
57

Medium Clouds (% Sky Obscured)

13
13
21
25
34
26
18
10
6
6
7
2
3
8
8
7
12

High Clouds (% Sky Obscured)

71
83
85
81
77
72
60
45
49
57
76
78
72
71
79
84
94

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

38
46
47
58
67
76
80
81
95
95
95
95
95
95
75
55
44

Precipitation Amount (mm)

0
0
0
0.2
0.3
0.4
0.5
0.5
0.8
1.1
1.7
1.3
1.2
0.7
0.3
0
0

Wind Speed/Direction (mph)

14
14
13
13
13
13
12
12
11
12
13
15
17
17
18
17
18

Chance of Frost

Temperature (°C)

16
15
14
14
14
14
14
14
14
14
14
14
15
16
18
18
18

Feels Like (°C)

13
14
14
14
13
13
12
12
13
13
13
14
13
13
14
14
14

Dew Point (°C)

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

Relative Humidity (%)

70
76
82
86
87
90
90
92
93
92
90
90
79
68
61
60
59

Pressure (mb)

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

Ozone (du)

332
331
329
331
332
334
333
332
331
329
327
325
323
321
320
319
319

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

Generated: 26/08/26 20:32:26. Forecast: 26/08/26 to 01/09/26. Timezone: UTC+1.00