Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 26

Waxing Gibbous 99%

19:47

05:25

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: 06:29, Set: 20:18, Transit: 13:23. Moon - Rise: 19:47, Set: 05:25. Civil Dark: 20:53 - 05:55. Nautical Dark: 21:35 - 05:13. Astro Dark: 22:23 - 04:26

Total Clouds (% Sky Obscured)

57
54
65
72
57
80
99
87
99
99
100
100
100
100
100
74
79
100
99
97
65
71
70
82

Low Clouds (% Sky Obscured)

27
48
43
36
30
17
6
14
18
29
61
56
72
76
91
69
72
53
44
38
49
54
56
58

Medium Clouds (% Sky Obscured)

1
0
2
7
0
59
65
39
88
94
89
99
100
100
83
42
21
11
1
0
0
0
0
36

High Clouds (% Sky Obscured)

25
25
41
45
29
34
93
83
96
85
79
90
100
100
100
71
68
100
98
89
28
20
19
18

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
6
2
9
3
3
1
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
10
5
0
0
0
3
26
64
74
95
95
95
95
95
95
79
18
7
10
21
17
28

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.6
0.4
0.8
2.3
2.3
2.2
0.4
0.9
0.4
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
21
21
21
21
21
20
18
18
18
18
18
18
18
18
18
18
17
17
18
18
19
19
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
68
68
70
67
68
74
85
90
90
93
89
90
93
93
90
93
95
93
92
88
84
77
71

Pressure (mb)

1010
1010
1010
1010
1009
1009
1008
1008
1008
1008
1007
1007
1007
1006
1005
1005
1004
1004
1004
1005
1005
1006
1006
1006

Ozone (du)

331
329
329
327
327
328
328
327
328
328
329
331
330
332
333
338
342
341
340
339
339
339
339
341

Thursday 27

Waxing Gibbous 100%

20:03

06:40

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: 06:31, Set: 20:16, Transit: 13:23. Moon - Rise: 20:03, Set: 06:40. Civil Dark: 20:50 - 05:57. Nautical Dark: 21:33 - 05:15. Astro Dark: 22:20 - 04:28

Total Clouds (% Sky Obscured)

100
96
85
70
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
95
78
62

Low Clouds (% Sky Obscured)

56
66
67
59
52
46
53
39
38
36
43
39
36
41
38
61
67
46
69
74
70
59
62
58

Medium Clouds (% Sky Obscured)

83
47
12
4
58
17
15
11
12
92
85
100
100
100
100
100
100
99
98
99
99
75
78
62

High Clouds (% Sky Obscured)

100
32
25
33
100
100
100
100
100
100
100
100
100
100
97
73
82
100
100
7
94
39
1
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
None
None
None
None
None

Precipitation Probability (%)

39
52
40
30
18
16
28
27
24
34
39
46
28
28
36
60
92
91
85
56
43
41
16
25

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
12
13
13
13
15
14
12
11
11
12
13
13
14
14
14
16
16
16
19
19
21
21
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
69
71
72
75
78
80
83
89
89
86
85
86
85
85
88
88
85
83
82
79
81
85
84

Pressure (mb)

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

Ozone (du)

342
342
343
342
340
340
340
340
338
337
337
337
336
333
331
328
327
326
326
328
325
322
321
320

Friday 28

Full Moon 99%

20:16

07:56

13 Bad
14 OK
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: 06:32, Set: 20:14, Transit: 13:23. Moon - Rise: 20:16, Set: 07:56. Civil Dark: 20:48 - 05:58. Nautical Dark: 21:30 - 05:17. Astro Dark: 22:17 - 04:31

Total Clouds (% Sky Obscured)

51
37
46
49
58
74
73
95
100
100
100
100
100
100
98
80
65
60
67
68
68
83
86
90

Low Clouds (% Sky Obscured)

51
37
44
40
51
70
52
55
52
45
44
57
85
88
95
70
65
58
61
63
62
83
84
86

Medium Clouds (% Sky Obscured)

7
5
0
0
0
0
0
0
0
19
100
100
100
100
94
75
0
1
1
0
0
2
4
6

High Clouds (% Sky Obscured)

0
0
0
2
20
4
23
86
100
100
100
100
100
35
1
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

6
9
9
9
9
9
9
9
9
9
9
9
9
3
3
4
8
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
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
None
Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

15
7
6
11
11
10
15
7
7
15
27
72
95
95
95
76
38
75
53
40
36
36
40
29

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.4
1.2
2.6
1.4
0.4
0
0.4
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
17
18
18
17
16
17
16
14
12
14
14
15
19
20
24
25
20
21
23
25
28
29
31

Chance of Frost

Temperature (°C)

19
19
19
19
18
18
18
18
18
17
17
18
17
17
17
17
18
18
18
18
19
19
19
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
82
82
83
85
85
85
78
83
90
88
89
92
92
95
95
92
92
90
85
84
82
86

Pressure (mb)

1008
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009
1008
1007
1006
1005
1004
1003
1003
1003
1003
1003
1002
1002
1002

Ozone (du)

319
318
316
315
312
310
308
306
304
302
300
298
296
298
301
304
308
310
310
308
308
307
307
308

Saturday 29

Waning Gibbous 96%

20:29

09:12

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: 06:34, Set: 20:12, Transit: 13:22. Moon - Rise: 20:29, Set: 09:12. Civil Dark: 20:46 - 06:00. Nautical Dark: 21:28 - 05:18. Astro Dark: 22:14 - 04:33

Total Clouds (% Sky Obscured)

88
76
71
71
73
88
78
81
83
98
97
85
78
61
45
39
38
57
64
70
69
82
92
100

Low Clouds (% Sky Obscured)

86
69
68
68
67
63
54
41
30
32
32
34
34
35
30
26
30
57
64
65
30
68
74
64

Medium Clouds (% Sky Obscured)

4
3
0
0
0
0
0
1
3
3
14
3
2
0
0
0
0
0
3
3
13
82
92
72

High Clouds (% Sky Obscured)

0
0
0
0
4
40
23
42
61
96
93
69
57
24
0
0
0
0
0
0
25
57
78
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
7
6
2

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
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

39
18
21
13
13
19
12
9
15
7
10
10
15
24
14
35
33
30
38
35
63
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.9
1.4

Wind Speed/Direction (mph)

30
29
29
30
28
26
25
23
21
19
18
17
15
14
13
12
12
13
14
17
18
20
21
22

Chance of Frost

Temperature (°C)

19
19
19
19
18
18
18
18
18
17
17
17
17
17
17
17
17
17
17
17
18
18
18
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
77
78
80
81
83
86
88
88
88
86
87
89
90
90
89
87
83
82
81
80
82
83

Pressure (mb)

1002
1002
1003
1004
1005
1006
1007
1007
1008
1009
1009
1010
1010
1010
1009
1009
1009
1009
1008
1008
1008
1008
1007
1006

Ozone (du)

310
308
309
308
307
308
307
307
308
309
310
310
310
311
314
315
315
316
317
319
319
320
324
328

Sunday 30

Waning Gibbous 91%

20:42

10:30

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: 06:35, Set: 20:10, Transit: 13:22. Moon - Rise: 20:42, Set: 10:30. Civil Dark: 20:44 - 06:02. Nautical Dark: 21:25 - 05:20. Astro Dark: 22:11 - 04:35

Total Clouds (% Sky Obscured)

79
54
38
47
57
66
62
59
55
46
41
33
37
43
49
64
82
100
99
99
98
99
100
100

Low Clouds (% Sky Obscured)

54
42
35
40
43
44
42
38
33
31
28
27
33
38
44
58
72
89
86
76
66
48
30
11

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

62
22
0
0
0
1
0
0
0
0
2
2
2
2
2
10
11
10
16
27
39
59
79
100

ISS Passover

Visibility (miles)

6
4
9
8
7
9
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

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

Precipitation Probability (%)

95
90
85
78
62
60
51
39
31
31
33
25
41
33
27
26
25
25
21
16
12
11
8
1

Precipitation Amount (mm)

0.9
0.5
0.5
0.4
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

24
21
22
23
23
22
24
24
24
23
22
22
23
23
22
22
21
20
19
18
17
16
15
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
79
78
81
79
81
81
82
81
82
85
86
83
82
79
74
69
66
64
63
62
62
60

Pressure (mb)

1006
1006
1005
1005
1005
1005
1005
1005
1006
1007
1007
1007
1008
1009
1009
1010
1011
1012
1013
1014
1014
1015
1016
1016

Ozone (du)

331
330
331
332
336
335
337
335
332
334
333
328
324
323
322
321
320
319
317
318
318
318
318
318

Monday 31

Waning Gibbous 83%

20:58

11:52

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: 06:37, Set: 20:08, Transit: 13:22. Moon - Rise: 20:58, Set: 11:52. Civil Dark: 20:41 - 06:03. Nautical Dark: 21:23 - 05:22. Astro Dark: 22:08 - 04:37

Total Clouds (% Sky Obscured)

99
99
98
98
98
97
98
98
99
96
94
91
90
89
86
77
72
77
74
79
86
84
84
83

Low Clouds (% Sky Obscured)

12
16
21
20
19
20
23
26
30
27
23
18
23
27
30
25
20
15
13
11
10
12
13
14

Medium Clouds (% Sky Obscured)

30
55
82
87
92
96
96
97
98
96
94
91
90
89
86
71
46
19
20
21
22
19
17
15

High Clouds (% Sky Obscured)

99
97
92
95
95
94
89
90
85
84
84
83
56
28
4
11
21
34
53
72
83
74
67
60

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

6
11
12
18
20
27
31
36
47
46
43
43
42
45
54
53
47
40
33
25
16
23
27
32

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0.2
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
62
64
66
71
76
79
82
85
86
87
89
89
87
89
88
88
88
86
85
82
81
80
78

Pressure (mb)

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

Ozone (du)

317
317
318
318
318
319
319
320
321
322
322
323
323
324
324
325
326
328
329
328
327
326
326
326

Tuesday 1

Waning Gibbous 74%

21:16

No Set

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: 06:39, Set: 20:06, Transit: 13:21. Moon - Rise: 21:16, Set: No Set. Civil Dark: 20:39 - 06:05. Nautical Dark: 21:20 - 05:24. Astro Dark: 22:05 - 04:39

Total Clouds (% Sky Obscured)

88
94
100
100
100
100
94
87
81
74
69
63
76
88
100
100
100
100

Low Clouds (% Sky Obscured)

19
21
24
36
49
61
57
54
50
48
42
34
47
60
72
79
89
100

Medium Clouds (% Sky Obscured)

27
41
59
57
55
53
51
49
47
32
18
23
45
70
91
94
96
100

High Clouds (% Sky Obscured)

74
82
92
92
89
85
84
81
76
74
69
63
76
88
97
97
98
98

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

34
36
39
45
46
52
61
64
64
71
77
82
87
92
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.3
0.3
0.4
0.5
0.5
0.5
0.6
0.7
1
1.4
1.4

Wind Speed/Direction (mph)

21
22
22
22
21
20
20
19
19
18
18
18
18
18
17
17
17
17

Chance of Frost

Temperature (°C)

19
19
19
19
18
18
18
18
18
18
18
17
17
17
17
17
17
17

Feels Like (°C)

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

Dew Point (°C)

15
15
15
15
15
16
16
16
16
16
16
16
16
16
16
17
17
17

Relative Humidity (%)

76
78
78
80
82
85
88
89
90
92
92
93
93
93
93
95
95
95

Pressure (mb)

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

Ozone (du)

326
327
328
329
330
331
332
333
334
335
333
332
330
328
326
324
322
320

Forecast for St Ives, Cornwall, United Kingdom (50.22,-5.48)

Generated: 26/08/26 13:00:01. Forecast: 26/08/26 to 01/09/26. Timezone: UTC+1.00