Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 15

Waning Crescent 30%

23:32

17:33

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

Sun - Rise: 06:40, Set: 19:14, Transit: 12:57. Moon - Rise: 23:32, Set: 17:33. Civil Dark: 19:48 - 06:06. Nautical Dark: 20:31 - 05:26. Astro Dark: 21:14 - 04:43

Total Clouds (% Sky Obscured)

66
64
66
68
61
55
58
66
67
63
68
66
41
53
98
96
99
98
100
100
100
100
98
100

Low Clouds (% Sky Obscured)

58
55
59
53
59
50
51
55
53
47
54
51
41
53
80
52
72
65
25
42
21
30
7
0

Medium Clouds (% Sky Obscured)

0
40
26
0
0
0
0
0
0
0
0
0
0
0
0
8
9
40
45
34
40
44
44
43

High Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
0
0
0
2
93
43
75
65
100
100
100
100
85
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 (%)

2
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
9
0
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)

17
16
16
16
20
19
18
17
18
17
17
16
16
15
18
18
17
17
17
16
15
13
12
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
68
66
69
68
65
65
64
62
63
62
60
61
61
58
56
54
52
48
49
50
56
59
64

Pressure (mb)

1006
1008
1008
1009
1010
1011
1011
1012
1012
1013
1013
1014
1015
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

307
310
312
310
309
305
300
297
295
296
294
293
293
292
291
288
286
286
282
278
276
273
271
269

Tuesday 16

Waning Crescent 20%

00:53

17:58

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

Sun - Rise: 06:42, Set: 19:12, Transit: 12:57. Moon - Rise: 00:53, Set: 17:58. Civil Dark: 19:46 - 06:08. Nautical Dark: 20:29 - 05:27. Astro Dark: 21:11 - 04:45

Total Clouds (% Sky Obscured)

100
100
99
100
100
100
100
99
100
100
100
100
100
100
100
86
55
47
42
39
29
50
75
88

Low Clouds (% Sky Obscured)

41
32
53
61
78
78
84
86
91
86
93
100
100
100
100
85
55
47
42
36
18
27
42
41

Medium Clouds (% Sky Obscured)

40
91
65
92
88
80
99
98
100
100
100
95
92
70
20
36
33
35
30
10
7
21
26
47

High Clouds (% Sky Obscured)

100
97
79
99
100
100
100
90
93
72
56
49
24
2
39
2
0
2
0
0
0
0
14
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
6
5
5
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
1
20
67
95
95
95
95
95
95
95
89
26
49
31
54
21
1
32
8
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.3
0.6
1
0.9
1.3
1.7
2.5
1.5
0.5
0
0
0
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
13
13
13
12
12
12
12
12
13
13
14
15
15
16
17
18
20
21
20
20
19
18
17

Feels Like (°C)

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

Dew Point (°C)

9
10
10
10
10
10
11
11
11
12
13
13
14
14
15
15
17
18
19
19
18
18
16
15

Relative Humidity (%)

72
79
81
86
83
86
89
89
93
93
96
93
95
92
92
92
93
92
91
92
91
91
89
90

Pressure (mb)

1018
1018
1018
1018
1017
1017
1017
1016
1015
1014
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013

Ozone (du)

267
267
265
264
262
261
260
259
258
259
258
261
261
261
262
262
262
263
266
267
267
265
265
263

Wednesday 17

Waning Crescent 12%

02:17

18:16

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

Sun - Rise: 06:43, Set: 19:10, Transit: 12:56. Moon - Rise: 02:17, Set: 18:16. Civil Dark: 19:43 - 06:10. Nautical Dark: 20:26 - 05:29. Astro Dark: 21:09 - 04:47

Total Clouds (% Sky Obscured)

81
53
75
85
94
82
82
91
100
99
99
100
100
97
95
91
85
88
94
99
98
98
97
96

Low Clouds (% Sky Obscured)

56
45
49
52
50
47
52
48
45
53
84
100
100
93
66
83
79
68
67
59
53
48
43
42

Medium Clouds (% Sky Obscured)

72
23
75
30
39
25
20
23
25
24
24
23
27
27
31
32
30
26
25
28
27
29
32
41

High Clouds (% Sky Obscured)

0
3
2
0
0
0
0
0
0
1
1
0
1
55
46
16
15
43
68
91
90
89
87
85

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 (%)

1
4
8
2
0
0
4
0
0
1
0
10
11
0
4
2
2
1
1
0
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
13
13
13
13
13
12
12
12
12
12
12
11
12
14
14
16
17
18
18
19
18
18
17

Dew Point (°C)

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

Relative Humidity (%)

93
90
93
95
95
95
95
95
95
92
93
87
86
83
83
76
71
62
58
58
61
65
71
77

Pressure (mb)

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

Ozone (du)

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

Thursday 18

Waning Crescent 6%

03:40

18:29

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

Sun - Rise: 06:45, Set: 19:07, Transit: 12:56. Moon - Rise: 03:40, Set: 18:29. Civil Dark: 19:41 - 06:11. Nautical Dark: 20:24 - 05:31. Astro Dark: 21:06 - 04:49

Total Clouds (% Sky Obscured)

95
94
96
97
98
99
100
100
99
100
95
70
94
94
96
92
87
77
69
61
53
51
41
49

Low Clouds (% Sky Obscured)

41
43
51
57
63
65
67
65
62
62
60
64
65
63
61
55
52
45
40
31
29
26
22
33

Medium Clouds (% Sky Obscured)

46
21
50
66
79
82
85
89
92
97
93
47
71
36
26
14
9
0
0
0
0
0
0
1

High Clouds (% Sky Obscured)

83
81
81
80
79
84
91
83
89
89
69
61
74
89
84
63
40
31
22
21
19
19
20
28

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
4
8
10
12
11
10
9
7
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)

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

Chance of Frost

Temperature (°C)

18
18
17
16
17
16
16
16
16
16
15
15
16
17
18
20
21
23
23
23
24
23
22
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
85
87
87
85
86
87
89
90
92
93
95
89
78
72
66
60
56
55
52
51
54
61
68

Pressure (mb)

1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1016
1016
1016
1016
1016

Ozone (du)

258
258
259
259
258
259
260
261
261
261
260
260
260
259
259
261
261
260
261
262
263
264
265
265

Friday 19

Waning Crescent 2%

04:59

18:40

20 Bad
21 Bad
22 Bad
23 Bad
00 OK
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

Sun - Rise: 06:47, Set: 19:05, Transit: 12:56. Moon - Rise: 04:59, Set: 18:40. Civil Dark: 19:38 - 06:13. Nautical Dark: 20:21 - 05:33. Astro Dark: 21:03 - 04:51

Total Clouds (% Sky Obscured)

51
55
49
49
36
52
73
90
94
96
99
93
96
100
100
100
100
85
71
56
67
78
89
88

Low Clouds (% Sky Obscured)

50
55
49
44
35
43
54
60
70
85
96
54
41
28
29
31
32
32
32
33
34
36
37
26

Medium Clouds (% Sky Obscured)

2
2
3
3
2
17
39
62
72
83
95
54
46
34
56
78
100
85
71
56
57
64
74
80

High Clouds (% Sky Obscured)

17
11
9
15
1
9
33
46
61
75
90
66
84
100
100
100
100
79
58
32
50
66
78
73

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
3
13
13
7
11
16
14
13
14
15
11
19
15
3
8
15
18
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
74
78
83
83
86
87
89
89
89
87
90
85
79
73
69
64
59
62
63
66
70
76
84

Pressure (mb)

1016
1016
1017
1017
1016
1016
1016
1016
1015
1015
1014
1014
1015
1015
1014
1014
1014
1013
1013
1012
1011
1011
1011
1011

Ozone (du)

264
264
265
266
267
267
267
267
267
267
266
268
268
268
268
268
267
267
267
266
266
267
269
270

Saturday 20

Waning Crescent 0%

06:14

18:50

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

Sun - Rise: 06:48, Set: 19:02, Transit: 12:55. Moon - Rise: 06:14, Set: 18:50. Civil Dark: 19:36 - 06:15. Nautical Dark: 20:19 - 05:35. Astro Dark: 21:01 - 04:53

Total Clouds (% Sky Obscured)

88
88
85
82
78
77
76
85
92
97
100
100
100
99
99
100
100
100
99
99
98
94
92
95

Low Clouds (% Sky Obscured)

17
7
20
33
46
48
43
47
61
73
82
83
81
79
85
90
95
93
92
90
93
94
92
95

Medium Clouds (% Sky Obscured)

84
83
75
67
57
43
36
43
54
59
63
57
43
42
32
27
27
26
30
25
17
16
12
11

High Clouds (% Sky Obscured)

69
66
55
45
36
54
72
85
85
80
80
65
65
65
65
65
60
50
50
50
50
45
40
43

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

Precipitation Probability (%)

19
17
17
15
6
13
14
7
24
31
41
73
95
95
95
95
95
95
95
42
49
54
55
48

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0.7
1.3
1.4
1.2
0.8
1
0.8
0
0
0
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

16
15
15
14
14
14
13
13
13
13
13
12
12
12
12
12
12
12
10
9
7
7
8
8

Relative Humidity (%)

84
86
87
90
93
96
93
93
92
89
83
78
77
75
74
73
73
71
66
62
56
60
64
68

Pressure (mb)

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

Ozone (du)

272
273
274
277
280
283
287
291
296
297
299
300
304
308
312
312
312
312
313
313
314
317
319
322

Sunday 21

New Moon 1%

07:28

18:59

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
12 Bad

Sun - Rise: 06:50, Set: 19:00, Transit: 12:55. Moon - Rise: 07:28, Set: 18:59. Civil Dark: 19:34 - 06:16. Nautical Dark: 20:16 - 05:36. Astro Dark: 20:58 - 04:55

Total Clouds (% Sky Obscured)

95
95
97
92
86
75
67
73
69
65
61
55
59
60
75
89
98

Low Clouds (% Sky Obscured)

95
95
90
88
86
75
67
73
69
65
61
52
41
29
52
74
91

Medium Clouds (% Sky Obscured)

10
12
13
13
16
19
19
19
17
17
18
20
31
34
37
37
41

High Clouds (% Sky Obscured)

50
52
55
62
75
75
67
73
69
65
61
55
59
60
75
85
50

ISS Passover

Visibility (miles)

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

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 (%)

34
13
16
20
5
11
12
8
11
10
3
16
18
10
27
34
39

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
9
9
9
10
9
9
9
9
9
9
9
9
9
9
9

Relative Humidity (%)

71
75
80
83
86
88
86
83
80
83
87
90
86
80
75
74
73

Pressure (mb)

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

Ozone (du)

323
325
326
325
323
322
321
321
321
321
321
321
320
319
319
317
316

Forecast for Milton Keynes, Milton Keynes, United Kingdom (52.04,-0.76)

Generated: 15/09/25 20:33:57. Forecast: 15/09/25 to 21/09/25. Timezone: UTC+1.00