Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 16

Waning Crescent 20%

00:51

17:38

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
08 Bad
09 Bad

Sun - Rise: 06:43, Set: 19:16, Transit: 12:58. Moon - Rise: 00:51, Set: 17:38. Civil Dark: 19:50 - 06:08. Nautical Dark: 20:31 - 05:27. Astro Dark: 21:15 - 04:44

Total Clouds (% Sky Obscured)

89
84
88
96
100
100
100
97
100
100
82
89
85
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

52
56
24
10
32
58
29
15
3
0
0
13
19
0
36
71
74
62
85
87
91
86
86
100

Medium Clouds (% Sky Obscured)

0
0
0
0
17
13
30
35
29
27
54
65
55
52
66
100
100
100
100
100
100
100
94
81

High Clouds (% Sky Obscured)

0
12
52
96
100
100
100
91
100
100
79
47
49
100
100
100
100
100
63
100
42
3
5
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
3
3
4
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
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
4
29
53
85
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.9
1.6
1.5
2.6
2.2
1.7
1

Wind Speed/Direction (mph)

18
18
17
17
15
17
16
14
13
10
8
7
7
7
7
8
8
10
9
9
11
12
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
67
65
63
60
53
53
54
57
63
70
76
81
86
89
88
86
90
93
95
95
96
96
95

Pressure (mb)

1015
1015
1016
1016
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1017
1017
1016
1015
1014
1013
1013
1013

Ozone (du)

301
300
293
287
283
279
278
277
276
273
271
269
266
264
263
263
262
261
261
259
257
257
257
256

Wednesday 17

Waning Crescent 19%

02:16

18:03

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
08 Bad
09 Bad

Sun - Rise: 06:44, Set: 19:13, Transit: 12:58. Moon - Rise: 02:16, Set: 18:03. Civil Dark: 19:48 - 06:10. Nautical Dark: 20:29 - 05:29. Astro Dark: 21:12 - 04:46

Total Clouds (% Sky Obscured)

100
100
100
89
100
98
96
94
100
100
98
90
93
100
95
93
100
99
98
97
100
96
94
100

Low Clouds (% Sky Obscured)

100
100
100
76
64
65
80
77
100
99
96
86
90
100
93
88
88
84
97
94
100
83
86
100

Medium Clouds (% Sky Obscured)

76
19
8
16
57
50
87
93
30
96
79
68
58
60
62
64
75
72
69
53
23
66
64
48

High Clouds (% Sky Obscured)

2
0
0
1
22
29
0
4
1
42
39
12
12
2
28
6
21
39
2
7
24
34
16
51

ISS Passover

Visibility (miles)

9
8
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 (%)

50
33
5
4
11
23
16
18
1
6
21
8
8
6
21
6
13
19
14
6
7
17
4
1

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
93
93
92
93
95
96
96
95
96
96
95
95
96
96
95
95
95
95
92
93
92
92
86

Pressure (mb)

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

Ozone (du)

257
259
262
264
268
269
269
268
266
264
262
261
261
261
261
262
261
261
261
261
262
263
263
263

Thursday 18

Waning Crescent 12%

03:39

18:20

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
08 Bad
09 Bad

Sun - Rise: 06:46, Set: 19:11, Transit: 12:58. Moon - Rise: 03:39, Set: 18:20. Civil Dark: 19:45 - 06:12. Nautical Dark: 20:26 - 05:31. Astro Dark: 21:09 - 04:48

Total Clouds (% Sky Obscured)

100
94
94
95
100
93
100
81
61
56
69
88
99
98
97
97
97
99
99
99
97
95
94
94

Low Clouds (% Sky Obscured)

90
89
85
79
57
41
21
17
21
33
39
40
45
52
48
49
49
50
51
48
48
54
57
63

Medium Clouds (% Sky Obscured)

33
30
33
25
2
5
48
28
19
13
11
27
14
45
41
73
71
67
66
3
28
40
45
45

High Clouds (% Sky Obscured)

93
64
66
90
100
92
77
73
60
56
62
64
97
91
87
91
91
96
96
99
92
77
61
46

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 (%)

4
4
1
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

17
18
20
20
20
19
19
18
17
15
14
13
13
12
12
11
11
10
9
8
7
7
8
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
78
69
67
61
61
64
67
71
76
80
85
88
90
90
92
90
92
92
93
95
95
89
81

Pressure (mb)

1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017

Ozone (du)

263
263
263
262
260
259
259
259
257
257
257
257
257
256
256
257
256
255
255
255
256
255
256
256

Friday 19

Waning Crescent 6%

04:59

18:32

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 OK
17 Bad
18 Good
19 OK
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

Sun - Rise: 06:48, Set: 19:09, Transit: 12:57. Moon - Rise: 04:59, Set: 18:32. Civil Dark: 19:43 - 06:14. Nautical Dark: 20:24 - 05:33. Astro Dark: 21:06 - 04:50

Total Clouds (% Sky Obscured)

91
87
67
65
70
73
39
59
12
25
85
100
100
91
91
73
98
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

58
54
49
38
31
20
15
9
5
3
2
0
0
0
0
2
0
5
56
63
65
73
80
88

Medium Clouds (% Sky Obscured)

50
27
3
0
43
50
3
2
0
1
3
3
9
7
29
7
46
12
38
37
39
34
40
51

High Clouds (% Sky Obscured)

36
34
24
22
20
29
15
20
2
25
70
100
100
91
89
64
75
98
100
100
100
100
100
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
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
0
0
0
0
0
0
0
0
0
11
19
11
9
11
32

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

Chance of Frost

Temperature (°C)

18
20
21
22
23
23
23
23
21
19
18
18
17
16
16
15
14
14
14
14
14
14
14
15

Feels Like (°C)

16
17
18
20
20
20
21
22
20
20
18
16
16
15
15
14
15
14
13
14
14
13
14
14

Dew Point (°C)

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

Relative Humidity (%)

70
60
55
50
47
47
53
54
60
70
76
78
81
83
87
90
92
93
95
92
92
92
89
89

Pressure (mb)

1017
1017
1016
1016
1015
1015
1014
1014
1014
1014
1015
1015
1015
1015
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013

Ozone (du)

256
257
257
257
258
258
257
257
259
260
262
261
261
261
260
261
261
262
263
263
264
265
266
265

Saturday 20

Waning Crescent 2%

06:15

18:42

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
08 Bad
09 Bad

Sun - Rise: 06:49, Set: 19:06, Transit: 12:57. Moon - Rise: 06:15, Set: 18:42. Civil Dark: 19:40 - 06:15. Nautical Dark: 20:21 - 05:35. Astro Dark: 21:04 - 04:52

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
97
95
92
84
78
74
72
74
75
77
69
59
54
52
52
65
79
93

Low Clouds (% Sky Obscured)

87
86
86
85
84
73
81
76
72
65
58
50
45
40
35
33
36
38
42
47
52
63
75
87

Medium Clouds (% Sky Obscured)

67
77
82
88
91
95
85
72
45
40
35
7
12
23
17
21
27
27
21
12
8
14
23
27

High Clouds (% Sky Obscured)

100
99
98
98
100
100
90
80
71
49
34
25
33
37
42
33
24
15
12
8
7
8
4
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
4
3
7
9
0
0
0
0
0
1
1
2
3
4
4
4

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

Precipitation Probability (%)

23
35
40
58
69
61
67
67
62
95
31
18
36
57
54
68
63
51
54
59
59
68
80
91

Precipitation Amount (mm)

0
0
0
0
0.2
0
0.3
0.3
0.2
0.8
0
0
0
0.3
0
0.3
0.3
0
0
0.2
0.2
0.3
0.4
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
15
16
16
15
16
15
15
15
14
14
13
13
12
12
11
11
10
10
9
9
10
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
86
86
85
83
85
82
86
90
93
98
96
98
98
98
98
96
96
96
96
95
93
91
91

Pressure (mb)

1013
1013
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1012
1012
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012

Ozone (du)

266
266
265
265
265
266
268
269
270
271
275
277
279
280
283
285
287
289
290
294
297
300
302
304

Sunday 21

New Moon 0%

07:30

18:51

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
08 Bad
09 Bad

Sun - Rise: 06:51, Set: 19:04, Transit: 12:57. Moon - Rise: 07:30, Set: 18:51. Civil Dark: 19:38 - 06:17. Nautical Dark: 20:18 - 05:37. Astro Dark: 21:01 - 04:54

Total Clouds (% Sky Obscured)

91
89
87
89
90
90
88
86
84
70
57
43
50
57
70
71
75
74
72
68
72
72
73
66

Low Clouds (% Sky Obscured)

82
76
69
71
75
77
79
78
79
66
55
43
47
54
59
59
60
63
61
65
72
72
73
66

Medium Clouds (% Sky Obscured)

44
65
85
81
80
76
71
76
84
70
57
43
50
57
70
53
52
40
37
21
19
19
23
23

High Clouds (% Sky Obscured)

0
0
0
0
0
0
9
17
19
12
9
10
8
10
8
14
21
30
30
20
20
24
24
20

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

85
78
70
77
81
80
95
95
95
95
95
95
95
95
78
65
56
47
33
21
5
5
3
0

Precipitation Amount (mm)

0.5
0.4
0.2
0.4
0.4
0.4
1.1
1.2
0.7
1
1.7
1.6
1
0.6
0.4
0.3
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
13
13
12
14
17
19
19
20
20
19
19
18
17
17
15
16
16
16
16
15
15
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
8
8
8
6
5
5
4
4
3
1
1
1
1
-0
0
1
1
2
2
2
2
2
3

Dew Point (°C)

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

Relative Humidity (%)

92
90
90
90
90
89
90
88
88
87
87
88
90
88
88
88
87
87
85
84
82
79
77
76

Pressure (mb)

1013
1013
1013
1013
1014
1014
1014
1015
1015
1016
1016
1017
1017
1018
1018
1018
1018
1019
1019
1019
1020
1020
1020
1021

Ozone (du)

306
309
311
314
315
316
317
317
317
316
317
317
318
318
319
319
319
319
320
321
323
324
324
325

Monday 22

Waxing Crescent 1%

08:43

19:00

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

Sun - Rise: 06:53, Set: 19:01, Transit: 12:56. Moon - Rise: 08:43, Set: 19:00. Civil Dark: 19:36 - 06:19. Nautical Dark: 20:16 - 05:38. Astro Dark: 20:58 - 04:56

Total Clouds (% Sky Obscured)

60
55
49
57
69
79
86
93
100
100
100
100
100
100
100
99
98
97
90
85
85

Low Clouds (% Sky Obscured)

60
50
39
45
55
64
65
65
64
61
62
61
58
55
53
49
52
57
54
52
49

Medium Clouds (% Sky Obscured)

25
27
24
35
46
57
59
55
65
65
70
75
81
87
92
82
72
64
67
71
66

High Clouds (% Sky Obscured)

20
18
15
9
5
0
18
37
30
25
25
40
45
45
50
65
80
85
85
85
85

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
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

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

Precipitation Probability (%)

6
9
11
16
19
21
18
13
2
3
3
0
15
21
22
24
27
31
26
18
1

Precipitation Amount (mm)

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
70
66
63
63
63
62
64
65
67
68
68
68
69
70
73
74
76
77
78
81

Pressure (mb)

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

Ozone (du)

325
326
328
329
330
332
334
334
334
335
334
333
333
332
331
330
330
329
328
326
325

Forecast for Oadby, Leicestershire, United Kingdom (52.60,-1.08)

Generated: 16/09/25 10:35:15. Forecast: 16/09/25 to 22/09/25. Timezone: UTC+1.00