Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 25

Waxing Gibbous 95%

19:31

03:43

12 Bad
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

Sun - Rise: 06:09, Set: 20:15, Transit: 13:11. Moon - Rise: 19:31, Set: 03:43. Civil Dark: 20:52 - 05:32. Nautical Dark: 21:40 - 04:45. Astro Dark: 22:35 - 03:51

Total Clouds (% Sky Obscured)

91
91
81
81
75
72
69
100
100
100
78
77
81
78
94
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

51
28
52
29
21
39
23
0
0
0
0
2
3
8
12
19
21
14
51
64
69
89
82
92

Medium Clouds (% Sky Obscured)

73
78
76
22
21
17
15
18
43
57
75
71
47
48
53
73
93
100
100
97
100
100
97
93

High Clouds (% Sky Obscured)

100
85
24
28
35
33
41
100
100
100
55
60
34
34
51
99
100
100
97
97
100
100
100
100

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
0
0
0
0
0
0
1
2
5
7
6
3
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
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
3
9
4
0
0
1
6
15
43
47
34
19
32
37

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
20
21
22
22
22
22
21
20
18
17
16
16
15
15
15
14
14
14
15
16
17
18
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
52
47
45
44
45
44
47
55
65
70
77
80
85
86
87
86
86
84
78
74
76
74
72

Pressure (mb)

1015
1015
1015
1014
1013
1013
1013
1013
1013
1014
1013
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

327
325
323
322
322
322
320
320
320
319
322
323
322
321
320
321
321
321
320
320
321
323
323
322

Wednesday 26

Waxing Gibbous 99%

19:46

05:02

12 Bad
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

Sun - Rise: 06:11, Set: 20:13, Transit: 13:11. Moon - Rise: 19:46, Set: 05:02. Civil Dark: 20:50 - 05:34. Nautical Dark: 21:37 - 04:47. Astro Dark: 22:31 - 03:54

Total Clouds (% Sky Obscured)

100
100
92
69
83
100
93
76
69
73
63
87
59
64
94
100
75
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

71
71
67
35
31
47
41
30
21
20
15
10
12
14
25
46
38
30
26
24
60
77
46
73

Medium Clouds (% Sky Obscured)

95
87
31
13
11
10
0
8
7
0
3
0
0
0
4
85
9
72
98
100
99
100
52
72

High Clouds (% Sky Obscured)

100
85
72
69
83
100
93
76
38
46
35
79
55
56
91
100
63
100
82
100
100
95
100
100

ISS Passover

Visibility (miles)

9
3
4
4
3
4
3
9
7
9
9
9
9
7
9
9
9
9
6
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
6
11
14
11
8
6
3

Precipitation Type

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

Precipitation Probability (%)

62
95
95
95
95
95
95
64
32
4
0
4
23
33
17
13
4
28
14
24
62
86
95
95

Precipitation Amount (mm)

0.3
1.4
1.7
1.5
1.8
1.4
0.9
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0.7
0.6
0.9

Wind Speed/Direction (mph)

10
10
10
9
9
9
9
8
6
5
6
6
7
6
6
5
4
4
4
6
6
5
6
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
62
69
67
66
68
77
80
86
90
92
92
90
93
93
95
95
95
95
93
90
88
89
77

Pressure (mb)

1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1010
1010
1009
1009
1009
1008
1008

Ozone (du)

325
327
327
326
325
324
324
324
323
322
322
323
322
321
321
320
322
322
320
320
321
322
323
323

Thursday 27

Waxing Gibbous 100%

19:57

06:22

12 Bad
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

Sun - Rise: 06:13, Set: 20:10, Transit: 13:11. Moon - Rise: 19:57, Set: 06:22. Civil Dark: 20:47 - 05:36. Nautical Dark: 21:34 - 04:50. Astro Dark: 22:28 - 03:57

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
92
94
88
88
91
100
100
88
100
100
100
100
100

Low Clouds (% Sky Obscured)

83
83
86
78
65
78
78
80
85
81
41
61
80
82
85
89
68
65
69
66
87
93
80
79

Medium Clouds (% Sky Obscured)

100
100
100
99
85
95
83
100
100
100
93
87
93
88
88
91
94
93
88
99
98
98
99
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
75
70
64
30
61
100
100
73
100
100
100
100
78

ISS Passover

Visibility (miles)

7
8
2
3
2
2
2
1
2
4
9
9
9
9
9
9
7
9
9
9
3
6
3
4

Fog (%)

2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
95
95
94
95
74
46
24
32
45
51
74
51
23
42
75
89
88
89
80

Precipitation Amount (mm)

2.9
3
2.8
1.1
1.5
1.8
1.4
0.9
1
0.4
0
0
0
0
0
0.3
0
0
0
0.4
0.9
1
0.9
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
20
19
19
20
21
20
19
17
17
17
16
15
14
14
14
14
13
13
12
13
13
15
17

Dew Point (°C)

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

Relative Humidity (%)

75
92
89
95
95
98
96
96
98
93
93
95
95
93
93
95
93
93
93
92
93
93
93
92

Pressure (mb)

1007
1007
1006
1006
1006
1005
1005
1004
1005
1005
1005
1005
1005
1005
1004
1004
1004
1004
1003
1003
1003
1003
1003
1003

Ozone (du)

322
321
320
320
320
320
322
324
325
326
328
329
331
331
331
331
331
330
329
329
327
328
328
328

Friday 28

Full Moon 99%

20:07

07:41

12 Bad
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

Sun - Rise: 06:15, Set: 20:08, Transit: 13:10. Moon - Rise: 20:07, Set: 07:41. Civil Dark: 20:45 - 05:38. Nautical Dark: 21:31 - 04:52. Astro Dark: 22:24 - 04:00

Total Clouds (% Sky Obscured)

100
100
100
75
64
65
71
60
50
50
49
49
61
56
88
88
93
97
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

85
75
78
54
33
38
43
30
28
37
31
32
53
48
34
36
34
33
52
94
94
94
91
86

Medium Clouds (% Sky Obscured)

94
18
18
22
22
21
20
15
9
0
4
0
0
0
0
0
6
82
96
96
98
100
100
100

High Clouds (% Sky Obscured)

76
65
90
21
3
0
0
0
0
0
0
0
2
11
43
59
75
87
100
78
100
100
81
66

ISS Passover

Visibility (miles)

9
4
6
6
6
9
7
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
2
7

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

Precipitation Probability (%)

79
90
95
95
80
49
32
25
18
29
17
12
9
9
7
8
5
7
17
54
79
95
95
73

Precipitation Amount (mm)

0.5
0.7
0.8
1.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
1.2
1.8
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
85
85
78
76
76
78
82
86
90
92
93
95
93
95
95
96
93
95
93
93
93
95
96

Pressure (mb)

1003
1003
1004
1004
1004
1004
1004
1004
1004
1004
1005
1005
1005
1005
1005
1005
1004
1004
1004
1004
1004
1004
1004
1004

Ozone (du)

330
328
326
324
322
322
324
326
325
326
325
320
316
313
311
308
306
305
305
305
304
303
306
311

Saturday 29

Waning Gibbous 96%

20:17

09:01

12 Bad
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 OK
02 OK
03 Bad
04 Bad
05 Bad
06 OK
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:16, Set: 20:06, Transit: 13:10. Moon - Rise: 20:17, Set: 09:01. Civil Dark: 20:42 - 05:40. Nautical Dark: 21:28 - 04:54. Astro Dark: 22:21 - 04:02

Total Clouds (% Sky Obscured)

100
100
83
91
88
76
90
97
56
77
94
94
93
42
28
51
81
86
32
36
68
63
70
89

Low Clouds (% Sky Obscured)

81
80
67
73
71
64
76
82
28
52
80
85
90
34
22
16
24
18
15
13
27
31
36
26

Medium Clouds (% Sky Obscured)

43
35
30
30
30
24
24
34
28
23
18
33
15
10
4
0
2
6
9
10
6
4
7
14

High Clouds (% Sky Obscured)

56
39
25
9
3
2
0
0
0
0
0
0
0
0
2
29
32
26
8
13
28
23
37
72

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

53
62
77
81
85
73
61
47
32
20
20
16
5
6
8
3
6
10
6
5
4
1
3
7

Precipitation Amount (mm)

0
0.2
0.4
0.3
0.5
0.3
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
90
79
74
74
74
83
90
93
95
92
89
84
86
84
87
89
90
91
86
79
71
63

Pressure (mb)

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

Ozone (du)

318
319
322
323
324
325
321
321
319
319
321
320
320
320
320
320
320
320
320
322
323
322
323
325

Sunday 30

Waning Gibbous 91%

20:26

10:24

12 Bad
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

Sun - Rise: 06:18, Set: 20:03, Transit: 13:10. Moon - Rise: 20:26, Set: 10:24. Civil Dark: 20:40 - 05:42. Nautical Dark: 21:26 - 04:56. Astro Dark: 22:17 - 04:05

Total Clouds (% Sky Obscured)

78
82
85
93
95
98
100
96
90
87
80
72
60
70
82
96
90
85
82
83
83
84
83
82

Low Clouds (% Sky Obscured)

35
48
59
71
70
69
71
66
59
57
53
54
53
56
60
65
64
62
64
63
60
61
65
64

Medium Clouds (% Sky Obscured)

13
35
60
86
88
93
99
96
90
87
80
72
60
61
66
70
50
30
12
9
12
15
27
39

High Clouds (% Sky Obscured)

56
51
42
39
40
70
100
71
42
17
15
37
60
49
47
41
42
24
3
3
1
0
0
0

ISS Passover

Visibility (miles)

9
9
7
6
4
3
2
1
4
7
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
Light Rain
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

Precipitation Probability (%)

19
37
48
57
95
95
95
95
95
95
75
53
17
29
32
4
12
15
6
5
5
1
3
6

Precipitation Amount (mm)

0
0
0
0
0.8
1.9
2.7
2.4
1.7
0.8
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
6
6
5
4
3
3
2
2
3
3
4
5
5
5
6
7
8
9
10
12
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
58
65
72
80
85
90
96
98
98
98
98
96
96
93
92
89
87
84
82
76
70
65
61

Pressure (mb)

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

Ozone (du)

327
325
324
323
323
322
322
322
325
328
331
332
333
335
334
333
333
331
329
327
327
326
325
324

Monday 31

Waning Gibbous 83%

20:37

11:50

12 Bad
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

Sun - Rise: 06:20, Set: 20:01, Transit: 13:09. Moon - Rise: 20:37, Set: 11:50. Civil Dark: 20:37 - 05:43. Nautical Dark: 21:23 - 04:58. Astro Dark: 22:14 - 04:08

Total Clouds (% Sky Obscured)

81
71
63
57
59
58
58
62
73
89
93
96
99
99
100
100
99
99
98
78
59
40
39
38

Low Clouds (% Sky Obscured)

59
49
44
35
25
16
11
13
24
44
49
52
52
61
69
76
75
73
71
58
51
40
39
38

Medium Clouds (% Sky Obscured)

51
62
61
57
43
29
16
12
8
4
5
6
7
19
28
36
48
61
75
78
59
40
39
38

High Clouds (% Sky Obscured)

0
0
13
30
33
45
55
54
57
66
77
83
91
96
100
100
97
95
92
61
31
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
9
9
9
9
9
7

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
Light Rain
Light Rain

Precipitation Probability (%)

5
6
6
0
0
1
1
1
2
1
1
2
1
6
12
13
27
35
37
38
45
46
80
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
0.5
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
55
54
52
52
58
64
71
75
78
83
80
79
77
79
79
80
81
81
83
83
82
82
85

Pressure (mb)

1013
1014
1014
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015

Ozone (du)

323
323
323
323
323
324
324
324
323
321
320
319
318
318
319
320
321
323
326
328
327
327
326
328

Forecast for High Legh, Cheshire East, United Kingdom (53.35,-2.45)

Generated: 25/08/26 22:42:38. Forecast: 25/08/26 to 31/08/26. Timezone: UTC+1.00