Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 12%

03:42

18:28

08 Bad
09 Bad
10 Bad
11 Bad
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

Sun - Rise: 06:51, Set: 19:17, Transit: 13:03. Moon - Rise: 03:42, Set: 18:28. Civil Dark: 19:52 - 06:16. Nautical Dark: 20:33 - 05:35. Astro Dark: 21:17 - 04:51

Total Clouds (% Sky Obscured)

85
73
86
90
98
96
91
90
92
84
64
92
93
95
100
93
98
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

61
73
86
42
91
82
55
76
77
64
53
67
49
67
39
28
34
34
47
38
41
37
36
39

Medium Clouds (% Sky Obscured)

53
73
85
44
43
38
39
25
34
28
13
35
68
35
43
65
91
92
100
100
100
100
100
98

High Clouds (% Sky Obscured)

24
40
23
40
42
40
45
40
3
4
2
1
3
3
86
10
85
86
93
100
100
100
100
96

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 (%)

0
3
14
27
12
9
9
15
7
7
4
1
2
1
0
0
3
3
10
2
3
3
2
2

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)

5
6
7
7
9
14
15
14
16
16
14
12
10
10
11
11
10
11
12
12
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
82
87
87
90
84
89
91
88
80
78
77
77
74
76
83
82
81
82
82
82
83
81
83

Pressure (mb)

1014
1014
1015
1015
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015

Ozone (du)

259
257
257
256
259
259
257
259
261
261
263
262
263
262
261
261
260
261
259
259
260
258
260
262

Friday 19

Waning Crescent 6%

05:03

18:39

08 Bad
09 Bad
10 Bad
11 Bad
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

Sun - Rise: 06:53, Set: 19:14, Transit: 13:03. Moon - Rise: 05:03, Set: 18:39. Civil Dark: 19:49 - 06:18. Nautical Dark: 20:31 - 05:37. Astro Dark: 21:14 - 04:53

Total Clouds (% Sky Obscured)

100
100
97
96
97
98
81
100
100
100
96
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

45
44
49
55
73
65
51
43
39
51
56
42
38
42
55
43
34
45
54
49
51
57
51
45

Medium Clouds (% Sky Obscured)

86
97
86
91
69
77
46
76
85
76
68
41
35
93
87
96
95
82
96
94
92
97
98
96

High Clouds (% Sky Obscured)

96
88
86
54
64
79
37
71
78
67
86
71
92
89
100
100
100
100
100
100
100
100
91
90

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 (%)

2
3
7
21
32
29
16
6
7
16
6
2
1
0
0
1
2
8
11
5
5
9
13
12

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)

11
11
11
12
13
14
13
10
9
7
8
6
5
5
4
4
5
6
5
6
6
7
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
82
81
80
70
66
65
70
81
82
88
83
86
86
92
90
90
89
90
89
89
86
86
86

Pressure (mb)

1015
1016
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1015
1015
1014
1014
1014
1013
1013
1012
1011
1011
1011
1010

Ozone (du)

262
262
261
260
261
262
261
261
261
262
262
264
265
266
267
267
265
264
265
265
267
268
269
271

Saturday 20

Waning Crescent 2%

06:21

18:48

08 Bad
09 Bad
10 Bad
11 Bad
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

Sun - Rise: 06:55, Set: 19:12, Transit: 13:02. Moon - Rise: 06:21, Set: 18:48. Civil Dark: 19:47 - 06:20. Nautical Dark: 20:28 - 05:39. Astro Dark: 21:12 - 04:55

Total Clouds (% Sky Obscured)

100
100
100
100
100
92
75
66
44
67
68
89
88
90
69
88
94
91
89
87
91
93
95
97

Low Clouds (% Sky Obscured)

56
43
43
51
44
83
49
60
30
59
54
78
86
88
65
76
88
83
78
72
75
80
84
89

Medium Clouds (% Sky Obscured)

93
97
95
95
64
40
67
29
35
35
44
63
45
65
60
73
77
81
30
18
22
26
28
42

High Clouds (% Sky Obscured)

100
100
100
100
97
35
30
33
1
26
27
1
16
25
33
35
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

15
16
13
46
46
41
58
66
25
11
11
14
31
45
66
59
59
71
71
59
49
45
45
33

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
8
9
10
12
12
15
17
19
18
18
17
16
18
18
20
19
18
17
16
15
12
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
14
15
15
13
12
12
12
12
11
10
9
8
7
6
6
6
6
7
7
8
8
8
9

Dew Point (°C)

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

Relative Humidity (%)

86
83
82
82
83
83
80
79
74
75
75
76
77
81
87
92
90
90
89
90
92
92
93
93

Pressure (mb)

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

Ozone (du)

273
273
273
274
274
273
274
275
274
275
276
278
280
281
281
281
283
284
286
289
292
293
294
295

Sunday 21

New Moon 0%

07:36

18:56

08 Bad
09 Bad
10 Bad
11 Bad
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 OK
05 OK
06 OK
07 OK

Sun - Rise: 06:56, Set: 19:09, Transit: 13:02. Moon - Rise: 07:36, Set: 18:56. Civil Dark: 19:44 - 06:22. Nautical Dark: 20:25 - 05:41. Astro Dark: 21:09 - 04:57

Total Clouds (% Sky Obscured)

98
100
94
89
82
86
91
100
95
86
91
94
95
95
93
88
79
67
61
50
41
46
37
39

Low Clouds (% Sky Obscured)

94
99
90
81
74
83
85
97
86
74
54
58
58
57
52
45
32
35
41
45
41
46
37
39

Medium Clouds (% Sky Obscured)

51
60
55
47
43
48
54
60
63
63
84
87
88
85
84
81
79
67
61
50
41
46
22
4

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
3
4
6
10
13
9
5
35
35
35
1
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
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 (%)

28
20
21
23
19
17
15
9
15
21
25
24
22
23
14
10
3
3
2
0
8
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
10
10
10
10
10
9
8
8
8
8
8
8
8
8
8
7
7
6
6
5
4
4
4

Relative Humidity (%)

93
92
90
90
87
86
83
75
76
77
79
81
81
83
84
83
80
80
80
80
73
73
72
72

Pressure (mb)

1011
1012
1013
1013
1013
1014
1014
1014
1015
1015
1015
1016
1016
1017
1017
1017
1018
1018
1018
1018
1019
1019
1019
1020

Ozone (du)

296
297
299
300
302
303
304
304
305
308
309
308
309
308
308
308
309
311
313
313
313
313
314
315

Monday 22

Waxing Crescent 1%

No Rise

19:04

08 OK
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 OK
17 OK
18 OK
19 OK
20 OK
21 OK
22 OK
23 Good
00 Good
01 Good
02 Good
03 Good
04 OK
05 OK
06 Bad
07 Bad

Sun - Rise: 06:58, Set: 19:07, Transit: 13:02. Moon - Rise: No Rise, Set: 19:04. Civil Dark: 19:42 - 06:24. Nautical Dark: 20:23 - 05:42. Astro Dark: 21:06 - 05:00

Total Clouds (% Sky Obscured)

40
41
52
53
61
57
57
50
39
38
37
33
28
23
15
8
0
0
1
1
21
42
60
58

Low Clouds (% Sky Obscured)

40
41
49
53
59
53
54
46
39
37
37
33
28
23
15
8
0
0
1
0
14
33
49
49

Medium Clouds (% Sky Obscured)

15
2
1
0
0
1
0
0
2
2
0
0
0
0
0
0
0
0
0
0
1
3
5
6

High Clouds (% Sky Obscured)

8
0
0
0
0
1
0
0
0
0
0
0
1
1
1
1
0
0
1
1
15
31
47
38

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 (%)

0
0
0
0
0
0
0
0
0
2
8
10
8
7
6
4
0
0
0
0
0
0
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)

7
7
8
9
9
8
7
7
7
7
7
7
5
4
4
4
3
3
3
3
3
2
2
2

Chance of Frost

Temperature (°C)

9
10
11
12
13
14
14
14
14
13
12
11
10
10
9
8
7
6
6
6
5
5
5
5

Feels Like (°C)

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

Dew Point (°C)

5
6
6
5
4
4
4
5
5
5
4
4
4
4
4
4
4
3
3
3
2
2
2
1

Relative Humidity (%)

73
74
69
62
56
52
51
53
56
56
59
59
64
67
70
74
77
81
81
80
79
79
79
78

Pressure (mb)

1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023

Ozone (du)

316
317
318
319
320
320
320
320
319
317
315
313
313
313
312
311
310
310
309
309
309
309
309
309

Tuesday 23

Waxing Crescent 3%

08:51

19:13

08 Bad
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 07:00, Set: 19:05, Transit: 13:01. Moon - Rise: 08:51, Set: 19:13. Civil Dark: 19:39 - 06:25. Nautical Dark: 20:20 - 05:44. Astro Dark: 21:03 - 05:02

Total Clouds (% Sky Obscured)

52
48
61
75
90
94
97
100
100
93
76
54
45
44
51
66
67
83
92
95
92
89
91
91

Low Clouds (% Sky Obscured)

49
48
45
39
40
47
53
60
52
47
42
34
25
17
26
33
42
51
64
74
63
52
41
46

Medium Clouds (% Sky Obscured)

8
9
11
20
40
47
64
75
65
47
29
30
29
26
20
17
28
29
34
40
40
40
45
55

High Clouds (% Sky Obscured)

32
21
24
30
36
45
53
71
71
61
50
51
45
44
38
24
10
15
24
25
13
9
6
6

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 (%)

0
0
1
1
1
4
5
5
12
13
8
11
10
4
25
26
16
33
39
40
40
39
35
31

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)

2
3
3
4
5
6
6
5
5
5
4
4
4
4
4
3
3
3
2
2
3
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
4
5
6
7
8
13
12
11
11
10
10
9
8
8
8
8
8
5
6
6
6
6
5

Dew Point (°C)

2
2
3
4
4
5
6
6
7
6
6
5
5
5
5
5
5
5
4
4
5
5
5
5

Relative Humidity (%)

71
67
62
59
58
56
60
63
67
68
69
71
74
77
81
84
85
87
87
88
90
90
90
90

Pressure (mb)

1023
1023
1023
1023
1022
1022
1022
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

308
308
308
309
310
310
310
310
310
309
308
307
307
306
306
305
303
302
301
300
298
298
298
298

Wednesday 24

Waxing Crescent 7%

10:06

19:23

08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
18 OK
19 OK
20 OK
21 OK
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:02, Set: 19:02, Transit: 13:01. Moon - Rise: 10:06, Set: 19:23. Civil Dark: 19:37 - 06:27. Nautical Dark: 20:18 - 05:46. Astro Dark: 21:00 - 05:04

Total Clouds (% Sky Obscured)

91
87
82
77
72
60
57
54
52
38
36
39
42
46
51
65
73

Low Clouds (% Sky Obscured)

48
49
57
60
58
57
48
40
31
25
20
25
25
25
22
20
18

Medium Clouds (% Sky Obscured)

54
54
55
65
66
60
54
47
40
28
25
30
35
40
41
38
45

High Clouds (% Sky Obscured)

5
5
5
4
2
2
1
1
1
1
1
14
28
41
51
65
73

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
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

29
28
26
24
26
26
22
17
14
10
1
2
2
1
2
3
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

2
3
3
4
4
5
4
4
4
4
3
4
4
3
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
8
8
8
9
14
14
13
13
14
14
9
9
9
9
9

Dew Point (°C)

5
5
5
4
4
3
3
3
2
3
3
4
5
5
5
5
5

Relative Humidity (%)

82
74
68
60
56
49
48
46
44
49
55
61
69
75
82
84
85

Pressure (mb)

1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

297
297
297
297
298
299
298
297
296
296
296
295
295
294
293
292
292

Forecast for High Legh, Cheshire East, United Kingdom (53.36,-2.44)

Generated: 18/09/25 08:17:32. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+1.00