Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 17

Waning Crescent 20%

02:18

18:12

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

Sun - Rise: 06:48, Set: 19:19, Transit: 13:03. Moon - Rise: 02:18, Set: 18:12. Civil Dark: 19:54 - 06:13. Nautical Dark: 20:36 - 05:31. Astro Dark: 21:20 - 04:47

Total Clouds (% Sky Obscured)

89
92
93
100
100
90
94
82
68
67
100
92
50
78
97
36
16
13
15
18
25
28
38
45

Low Clouds (% Sky Obscured)

85
87
93
100
100
79
86
78
64
61
55
38
25
36
37
27
16
11
13
18
25
28
29
25

Medium Clouds (% Sky Obscured)

89
92
93
100
90
39
29
2
0
2
26
33
15
21
37
6
0
3
3
0
3
3
24
20

High Clouds (% Sky Obscured)

89
62
72
6
2
0
0
0
0
0
55
58
27
40
38
8
3
3
3
1
1
2
2
5

ISS Passover

Visibility (miles)

2
4
4
4
5
9
9
9
9
9
9
8
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
58
27
16
24
12
17
18
16
14
18
7
3
0
0
0
0
0
0
0
4

Precipitation Amount (mm)

1.9
2.1
1.5
0.8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
11
13
16
14
13
12
11
12
14
15
15
13
13
11
11
10
8
7
6
6
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
8
8
8
10
10
13
15
16
18
17
17
17
16
16
15
14
14
13
12
12
12
11
11

Dew Point (°C)

11
11
11
11
12
13
14
16
17
17
17
17
17
17
16
14
13
12
12
11
11
11
10
10

Relative Humidity (%)

96
96
95
95
96
96
95
95
95
88
88
89
95
93
93
86
86
92
93
93
93
93
93
92

Pressure (mb)

1013
1012
1010
1010
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1012
1012
1013
1013
1014
1014
1014
1014

Ozone (du)

262
262
263
264
265
266
266
267
267
268
269
265
264
263
261
259
259
259
259
260
260
260
260
262

Thursday 18

Waning Crescent 12%

03:42

18:28

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 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:50, Set: 19:17, Transit: 13:03. Moon - Rise: 03:42, 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)

22
33
72
93
100
100
93
88
90
95
92
78
62
75
64
84
66
89
96
100
100
100
100
100

Low Clouds (% Sky Obscured)

22
33
33
77
76
77
90
74
68
80
83
57
42
50
54
47
48
38
40
45
50
42
49
39

Medium Clouds (% Sky Obscured)

16
32
66
93
61
100
7
39
53
65
64
54
32
42
10
50
22
83
70
97
100
100
100
100

High Clouds (% Sky Obscured)

6
21
28
43
35
25
27
23
28
31
35
7
5
10
9
22
25
45
67
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
3
9
8
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
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
3
34
31
38
79
32
20
19
22
14
14
7
4
2
0
1
0
1
14
33
21
5
3

Precipitation Amount (mm)

0
0
0
0
0
0.8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
5
6
5
8
9
11
14
16
15
15
15
14
14
12
9
9
10
10
10
10
11
11

Chance of Frost

Temperature (°C)

11
11
11
12
13
15
16
17
19
19
19
19
20
20
20
19
18
18
17
17
17
17
17
17

Feels Like (°C)

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

Dew Point (°C)

10
10
10
10
12
14
15
16
17
18
17
17
17
16
16
16
15
15
14
14
14
14
14
14

Relative Humidity (%)

93
91
88
92
95
92
96
90
90
89
86
86
80
77
77
82
85
81
79
82
82
83
83
82

Pressure (mb)

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

Ozone (du)

261
260
259
258
259
259
259
259
259
260
262
261
260
259
259
259
258
258
257
259
259
259
259
258

Friday 19

Waning Crescent 6%

No Rise

18:39

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 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:51, Set: 19:14, Transit: 13:03. Moon - Rise: No Rise, Set: 18:39. Civil Dark: 19:49 - 06:16. Nautical Dark: 20:31 - 05:35. Astro Dark: 21:14 - 04:51

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
97
98
100
93
100
93
98
100
96
100
100
39
99
100
100
100
100

Low Clouds (% Sky Obscured)

39
53
47
44
52
48
63
69
59
60
58
35
35
32
31
30
36
40
20
41
43
57
70
81

Medium Clouds (% Sky Obscured)

100
100
100
100
100
99
80
68
44
86
82
66
19
33
13
15
52
46
39
59
78
69
57
91

High Clouds (% Sky Obscured)

100
100
100
100
100
100
99
92
94
100
53
100
64
65
100
89
100
99
39
97
96
95
86
89

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
6
4
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
1
2
8
13
20

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

Chance of Frost

Temperature (°C)

17
17
16
16
16
17
18
19
20
20
21
22
22
22
21
19
18
17
17
17
16
16
16
16

Feels Like (°C)

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

Dew Point (°C)

14
14
14
14
14
14
14
14
14
13
13
14
13
14
13
13
13
13
13
13
13
13
13
13

Relative Humidity (%)

82
85
86
89
87
83
79
72
68
64
60
60
58
60
61
67
73
74
78
78
79
82
81
82

Pressure (mb)

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

Ozone (du)

258
258
257
257
257
256
256
256
257
256
256
257
258
259
261
260
261
263
263
264
264
264
263
264

Saturday 20

Waning Crescent 2%

05:03

18:48

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
00 Bad
01 Bad
02 Bad
03 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
100
100
100
100
100
100
100
100
100
91
88
79
70
66
51
52
62
50
64
78
82

Low Clouds (% Sky Obscured)

68
64
56
56
55
52
65
77
87
84
79
75
75
73
52
38
43
24
29
46
50
61
72
74

Medium Clouds (% Sky Obscured)

99
96
76
100
100
95
100
93
100
100
100
100
78
53
5
31
14
18
12
6
0
7
15
22

High Clouds (% Sky Obscured)

93
93
82
85
96
93
96
96
100
100
100
100
78
60
40
35
1
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

20
35
58
76
61
59
78
89
68
95
95
95
95
93
79
74
45
12
16
26
23
22
19
17

Precipitation Amount (mm)

0
0
0.3
0.4
0.3
0.2
0.4
0.6
0.2
0.8
1.9
2.7
1.2
0.6
0.4
0.4
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
16
16
15
15
15
15
16
15
15
15
13
13
14
14
13
11
11
10
9
9
8
7
7

Dew Point (°C)

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

Relative Humidity (%)

82
89
89
90
93
92
92
90
92
86
87
92
93
87
86
86
89
92
93
93
92
92
90
90

Pressure (mb)

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

Ozone (du)

266
266
266
266
269
270
269
269
268
269
271
271
272
277
281
285
289
292
295
297
302
305
310
313

Sunday 21

New Moon 0%

06:21

18:56

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 OK
22 OK
23 Good
00 Good
01 Good
02 Good
03 Good

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
95
100
100
100
100
98
96
93
95
98
100
98
95
89
71
51
31
21
10
0
1
4
5

Low Clouds (% Sky Obscured)

84
93
99
92
84
76
77
81
81
77
76
74
67
57
39
18
11
3
6
6
0
1
4
4

Medium Clouds (% Sky Obscured)

12
13
17
25
34
50
59
60
56
87
96
100
93
63
47
34
27
19
16
10
0
1
4
3

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
3
5
8
8
7
0
1
2
1

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 (%)

26
33
38
35
29
18
24
31
39
37
40
39
32
28
22
16
12
6
4
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
88
88
87
87
83
79
71
63
71
76
77
76
72
76
77
75
75
77
78
79
81
81

Pressure (mb)

1008
1009
1010
1010
1012
1013
1013
1014
1015
1015
1016
1017
1017
1018
1018
1019
1020
1021
1022
1022
1023
1023
1024
1024

Ozone (du)

312
312
313
315
315
315
315
315
315
315
315
315
315
315
316
317
317
317
318
317
317
316
316
316

Monday 22

Waxing Crescent 1%

07:36

19:04

04 Good
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 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

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 - 04:57

Total Clouds (% Sky Obscured)

12
19
25
31
38
44
45
43
43
37
31
25
17
19
34
59
64
59
58
50
54
38
24
18

Low Clouds (% Sky Obscured)

11
19
25
31
36
42
41
35
30
22
14
6
5
3
2
9
16
23
23
31
35
30
19
13

Medium Clouds (% Sky Obscured)

3
1
0
0
0
0
1
1
0
4
9
15
13
11
13
19
26
33
27
17
4
25
24
18

High Clouds (% Sky Obscured)

1
1
0
0
0
0
3
5
7
9
10
8
15
19
34
41
34
26
20
13
7
10
14
14

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
6
4
5
6

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
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
1
1
0
0
0
0
0
0
1
8
14
19
25
29
31
54
67
74

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.4

Wind Speed/Direction (mph)

5
5
5
5
6
6
7
7
8
10
10
11
11
10
8
7
7
6
6
6
6
6
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
3
3
3
3
3
3
2
2
2
2
2
2
3
3
4
5
7
8
9
9
10
10
10

Relative Humidity (%)

82
82
85
85
76
68
61
55
51
45
45
46
46
54
60
69
73
78
83
85
88
91
93
93

Pressure (mb)

1024
1025
1025
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1028
1027
1027
1027
1026
1026

Ozone (du)

316
316
316
316
315
314
313
312
311
310
308
307
306
306
306
306
306
306
306
305
304
304
304
304

Tuesday 23

Waxing Crescent 3%

08:51

19:13

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
00 Bad

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 - 05:42. Astro Dark: 21:03 - 05:00

Total Clouds (% Sky Obscured)

45
73
100
99
98
95
89
81
70
63
66
68
71
65
69
68
67
66
60
62
62

Low Clouds (% Sky Obscured)

12
11
10
16
25
32
36
40
38
40
38
37
37
39
41
49
54
58
49
41
33

Medium Clouds (% Sky Obscured)

39
21
3
2
1
0
0
0
0
20
40
61
57
44
45
44
42
41
33
22
17

High Clouds (% Sky Obscured)

31
54
62
62
61
61
45
39
38
44
54
60
61
61
66
68
67
66
60
62
62

ISS Passover

Visibility (miles)

7
8
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

Precipitation Type

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

Precipitation Probability (%)

71
68
65
51
34
11
10
6
0
2
3
3
22
42
53
45
45
40
30
29
31

Precipitation Amount (mm)

0.4
0.4
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
8
8
6
7
8
8
9
9
14
13
13
13
14
14
9
9
10
9
10

Dew Point (°C)

10
9
8
7
7
6
7
6
5
4
4
4
4
4
4
4
3
3
3
3
4

Relative Humidity (%)

93
91
91
90
82
77
73
64
58
51
50
48
47
51
57
61
60
58
58
62
68

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

304
304
303
303
303
303
302
302
303
303
303
303
304
303
303
302
302
302
301
301
301

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

Generated: 17/09/25 04:00:19. Forecast: 17/09/25 to 23/09/25. Timezone: UTC+1.00