Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 12%

02:18

18:28

00 OK
01 OK
02 OK
03 OK
04 OK
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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:50, Set: 19:17, Transit: 13:03. Moon - Rise: 02:18, Set: 18:28. Civil Dark: 19:52 - 06:15. Nautical Dark: 20:33 - 05:33. Astro Dark: 21:17 - 04:49

Total Clouds (% Sky Obscured)

26
27
29
29
38
65
94
62
74
98
82
93
96
99
91
100
96
72
87
93
85
100
98
100

Low Clouds (% Sky Obscured)

25
16
29
29
38
59
30
48
59
74
55
86
84
86
46
48
64
58
76
84
40
33
34
40

Medium Clouds (% Sky Obscured)

0
2
2
7
2
12
58
17
21
75
30
29
43
41
41
43
38
22
31
75
59
52
53
54

High Clouds (% Sky Obscured)

5
66
5
5
6
5
55
17
19
57
9
27
25
66
20
17
15
3
9
12
13
59
40
31

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

Fog (%)

-
-
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
1
1
5
11
18
10
6
12
21
19
23
13
2
4
2
0
5
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)

9
11
7
6
6
5
6
5
6
7
7
10
14
12
14
14
15
13
13
12
12
12
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
13
12
12
11
10
10
12
13
14
15
16
17
18
17
17
17
18
17
16
16
16
15

Dew Point (°C)

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

Relative Humidity (%)

86
81
90
92
92
91
93
95
90
84
82
85
82
86
88
88
81
74
76
77
77
78
77
78

Pressure (mb)

1012
1013
1013
1014
1014
1014
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1016

Ozone (du)

260
260
259
258
258
256
257
256
256
255
256
256
257
257
256
257
259
259
259
260
260
261
261
261

Friday 19

Waning Crescent 6%

03:43

18:39

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:51, Set: 19:14, Transit: 13:03. Moon - Rise: 03:43, Set: 18:39. Civil Dark: 19:49 - 06:17. Nautical Dark: 20:31 - 05:35. Astro Dark: 21:14 - 04:51

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
99
93
100
100
100
97
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

44
47
49
66
65
44
46
44
46
48
54
54
62
86
100
82
89
83
89
87
98
92
92
80

Medium Clouds (% Sky Obscured)

46
48
100
94
95
97
94
94
97
98
99
99
95
80
55
88
76
63
48
74
94
97
74
62

High Clouds (% Sky Obscured)

24
49
100
100
100
100
100
100
100
100
100
99
96
48
23
75
44
40
62
66
87
91
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
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 (%)

1
11
18
8
5
3
4
0
20
16
5
18
23
24
23
13
4
4
9
3
4
3
3
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)

12
11
12
11
13
12
12
11
12
12
13
13
13
13
11
11
8
7
6
7
6
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
86
85
83
82
82
82
82
83
83
81
76
71
67
72
67
74
72
81
88
93
93
93
93

Pressure (mb)

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

Ozone (du)

261
259
260
260
260
260
260
261
261
262
261
260
260
260
260
260
260
260
261
262
263
264
265
266

Saturday 20

Waning Crescent 2%

05:03

18:48

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:53, Set: 19:12, Transit: 13:02. Moon - Rise: 05:03, Set: 18:48. Civil Dark: 19:47 - 06:18. Nautical Dark: 20:28 - 05:37. Astro Dark: 21:12 - 04:53

Total Clouds (% Sky Obscured)

100
100
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100
94
96
93
96
62
54
99

Low Clouds (% Sky Obscured)

79
94
89
92
100
100
100
100
100
88
76
82
79
90
99
95
92
85
94
90
89
62
54
96

Medium Clouds (% Sky Obscured)

66
100
83
95
93
91
73
71
45
69
69
72
97
97
78
99
100
64
55
34
26
29
38
48

High Clouds (% Sky Obscured)

100
100
100
90
100
100
99
100
99
100
97
64
100
100
84
67
22
3
22
5
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
4
5
4
6
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
Light Rain
Light Rain
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain

Precipitation Probability (%)

3
2
8
9
11
10
20
6
13
31
81
95
52
51
19
45
92
95
95
90
67
65
74
88

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.6
0.9
0
0
0
0
0.7
1.1
1.3
0.8
0.3
0
0.2
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
95
95
95
95
96
92
89
84
78
71
65
61
58
61
74
79
86
92
89
84
86

Pressure (mb)

1013
1013
1012
1012
1011
1010
1010
1010
1010
1009
1009
1009
1009
1008
1007
1006
1005
1004
1004
1004
1003
1003
1003
1002

Ozone (du)

266
265
265
266
266
266
266
268
270
271
272
272
272
272
272
272
272
274
276
278
280
283
286
286

Sunday 21

New Moon 0%

06:21

18:56

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:55, Set: 19:09, Transit: 13:02. Moon - Rise: 06:21, Set: 18:56. Civil Dark: 19:44 - 06:20. Nautical Dark: 20:25 - 05:39. Astro Dark: 21:09 - 04:55

Total Clouds (% Sky Obscured)

88
100
100
68
100
81
94
83
72
63
61
67
59
64
75
84
79
68
49
48
54
50
40
45

Low Clouds (% Sky Obscured)

88
100
100
68
92
78
77
55
42
20
31
37
38
49
55
64
53
46
40
40
45
45
40
45

Medium Clouds (% Sky Obscured)

55
65
65
67
93
49
43
40
40
36
26
20
34
39
32
33
28
20
12
7
3
0
0
0

High Clouds (% Sky Obscured)

0
28
57
68
90
81
85
52
25
5
3
1
0
0
0
1
0
0
0
1
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

95
95
95
95
95
95
95
84
60
32
40
38
34
41
50
59
65
58
50
44
33
22
12
7

Precipitation Amount (mm)

0.6
1.8
2.4
3
1.9
1.5
0.9
0.5
0.3
0
0
0
0
0
0
0.3
0.5
0.3
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
92
93
93
95
92
95
96
96
95
95
92
92
93
93
93
95
93
91
91
88
87
85
82

Pressure (mb)

1002
1002
1003
1004
1005
1006
1006
1007
1008
1009
1010
1010
1011
1011
1012
1012
1013
1014
1015
1015
1016
1017
1017
1018

Ozone (du)

289
291
293
295
296
298
299
302
305
308
310
312
312
312
312
311
310
310
311
311
312
313
314
314

Monday 22

Waxing Crescent 1%

07:36

19:04

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

Sun - Rise: 06:56, Set: 19:07, Transit: 13:02. Moon - Rise: 07:36, Set: 19:04. Civil Dark: 19:42 - 06:22. Nautical Dark: 20:23 - 05:41. Astro Dark: 21:06 - 04:58

Total Clouds (% Sky Obscured)

34
37
39
41
40
39
34
32
23
30
31
34
33
32
37
43
41
40
44
48
60
59
46
28

Low Clouds (% Sky Obscured)

34
37
39
41
35
39
29
23
19
25
31
34
33
32
37
43
41
40
44
39
31
24
16
8

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
19
2
0
1
1
2
13
27
40
29
15
1
2
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
4
7
15
19
23
24
20
16

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 (%)

3
2
9
6
16
10
16
15
7
18
7
10
2
6
5
1
1
1
0
1
1
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)

9
8
7
6
7
7
7
6
7
7
7
7
8
8
8
8
7
6
5
5
4
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
4
4
4
4
3
3
4
6
6
7
8
8
8
9
9
9
9
8
6
6
6
5

Dew Point (°C)

6
6
5
5
5
5
4
4
5
6
7
7
8
8
7
7
6
5
5
4
4
3
3
3

Relative Humidity (%)

81
80
78
77
75
75
75
77
77
76
78
76
75
71
68
65
62
63
64
65
66
69
71
73

Pressure (mb)

1018
1019
1019
1019
1020
1020
1020
1021
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1025
1024

Ozone (du)

314
316
317
316
315
315
316
317
319
319
318
319
319
319
317
316
314
312
310
308
308
308
307
307

Tuesday 23

Waxing Crescent 3%

08:51

19:13

00 Good
01 Good
02 Good
03 Good
04 OK
05 OK
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
20 Bad
21 OK
22 OK
23 OK

Sun - Rise: 06:58, Set: 19:05, Transit: 13:01. Moon - Rise: 08:51, Set: 19:13. Civil Dark: 19:39 - 06:24. Nautical Dark: 20:20 - 05:43. Astro Dark: 21:03 - 05:00

Total Clouds (% Sky Obscured)

14
3
2
2
20
37
53
52
51
49
62
76
90
94
97
100
98
91
77
60
53
41
31
23

Low Clouds (% Sky Obscured)

1
3
2
2
20
37
49
49
49
49
47
44
41
40
40
42
42
42
42
33
26
19
28
23

Medium Clouds (% Sky Obscured)

3
2
2
1
1
0
0
0
0
0
12
34
58
69
77
85
69
47
29
33
36
34
28
23

High Clouds (% Sky Obscured)

7
3
2
0
0
0
0
2
4
6
21
36
49
57
68
83
78
72
66
60
53
41
25
13

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
5
6
6
10
9
1
2
2
1
6
9
10
11
10
5
8
7
2
23
25

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
2
2
2
2
2
1
1
1
2
2
3
4
5
6
6
7
6
5
5
4
4
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
76
78
79
80
78
76
74
73
72
68
61
54
46
50
55
59
63
66
69
71
73
74
77

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1022
1023
1023
1023
1023
1023
1024
1024

Ozone (du)

307
307
308
309
310
311
311
312
312
311
311
310
310
310
310
309
309
308
307
305
305
305
304
303

Wednesday 24

Waxing Crescent 7%

10:06

19:23

Sun - Rise: 07:00, Set: 19:02, Transit: 13:01. Moon - Rise: 10:06, Set: 19:23. Civil Dark: 19:37 - 06:25. Nautical Dark: 20:18 - 05:44. Astro Dark: 21:00 - 05:02

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 18/09/25 02:20:23. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+1.00