Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 15

Waning Crescent 30%

23:32

16:55

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
10 Bad
11 Bad

Sun - Rise: 06:40, Set: 19:17, Transit: 12:58. Moon - Rise: 23:32, Set: 16:55. Civil Dark: 19:51 - 06:06. Nautical Dark: 20:31 - 05:26. Astro Dark: 21:14 - 04:43

Total Clouds (% Sky Obscured)

52
62
65
76
60
64
58
81
77
80
84
82
58
47
49
49
58
59
62
56
93
95
97
100

Low Clouds (% Sky Obscured)

51
57
50
55
54
56
54
53
57
62
70
53
56
45
46
43
53
54
59
54
47
60
78
64

Medium Clouds (% Sky Obscured)

15
12
20
19
32
21
14
24
19
15
14
9
0
0
0
0
0
0
0
0
0
0
2
25

High Clouds (% Sky Obscured)

0
0
0
2
3
3
3
1
2
3
3
0
0
0
0
0
0
0
0
1
45
40
50
42

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 (%)

27
33
29
37
37
38
9
2
4
2
0
1
2
3
4
10
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)

20
20
20
25
24
24
23
21
20
20
20
20
20
19
19
17
17
17
17
16
15
15
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
65
65
65
66
69
74
73
71
71
73
71
65
69
66
69
65
63
63
65
67
63
58
55

Pressure (mb)

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

Ozone (du)

305
305
307
306
305
305
305
306
310
310
308
310
306
306
305
302
301
300
298
297
297
297
297
297

Tuesday 16

Waning Crescent 20%

00:53

17:33

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
10 Bad
11 Bad

Sun - Rise: 06:42, Set: 19:14, Transit: 12:57. Moon - Rise: 00:53, Set: 17:33. Civil Dark: 19:48 - 06:08. Nautical Dark: 20:29 - 05:28. Astro Dark: 21:12 - 04:45

Total Clouds (% Sky Obscured)

97
99
94
96
100
100
98
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
92
97

Low Clouds (% Sky Obscured)

50
51
34
37
28
20
26
9
26
65
47
58
62
82
89
82
90
85
90
100
100
100
90
94

Medium Clouds (% Sky Obscured)

40
47
53
47
48
54
55
56
49
91
58
81
99
85
94
98
100
100
100
96
87
85
56
76

High Clouds (% Sky Obscured)

44
90
40
74
92
86
68
100
100
100
100
100
75
71
100
100
48
100
24
57
8
10
10
12

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
0
0
0
4
11
6
1
14
39
59
71
66
77
59
85
95
95
95
95
95
95
95
82

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.3
0.5
0
0.5
1.5
1.5
1
0.7
1.1
1.4
1.1
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
11
11
12
12
12
12
12
11
11
10
11
10
10
10
11
10
11
12
11
12
11
12
12

Dew Point (°C)

6
5
5
5
7
8
7
8
9
10
10
10
11
11
11
12
12
13
13
13
13
14
14
15

Relative Humidity (%)

51
47
44
46
50
55
56
62
70
76
79
84
89
89
92
92
90
95
95
96
95
95
95
95

Pressure (mb)

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

Ozone (du)

294
290
286
282
279
277
275
273
270
268
265
263
262
260
259
258
257
258
260
262
262
263
263
264

Wednesday 17

Waning Crescent 12%

02:18

17:59

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
10 Bad
11 Bad

Sun - Rise: 06:44, Set: 19:12, Transit: 12:57. Moon - Rise: 02:18, Set: 17:59. Civil Dark: 19:46 - 06:10. Nautical Dark: 20:26 - 05:29. Astro Dark: 21:09 - 04:47

Total Clouds (% Sky Obscured)

78
59
99
100
100
94
100
57
88
70
63
91
93
92
91
94
96
78
79
84
79
77
70
77

Low Clouds (% Sky Obscured)

78
57
76
51
48
59
50
52
57
47
53
53
57
59
57
63
62
44
36
42
44
47
52
66

Medium Clouds (% Sky Obscured)

17
6
65
93
99
76
100
29
12
17
4
33
39
39
42
42
45
48
55
52
52
44
43
41

High Clouds (% Sky Obscured)

2
3
62
65
53
48
11
3
25
4
4
6
4
6
8
10
10
10
10
7
5
2
4
7

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
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

29
11
58
6
4
11
15
10
2
1
0
0
0
0
0
0
1
2
1
3
3
2
3
2

Precipitation Amount (mm)

0
0
0.4
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
17
17
17
16
16
16
15
15
15
14
13
13
13
12
12
12
12
12
12
12
13
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
92
92
91
92
92
90
92
92
93
93
93
93
90
89
87
86
90
93
89
82
74
69

Pressure (mb)

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

Ozone (du)

266
267
266
267
268
267
264
262
262
260
260
261
260
261
260
260
260
260
262
262
262
263
264
263

Thursday 18

Waning Crescent 6%

03:40

18:16

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
10 Bad
11 Bad

Sun - Rise: 06:45, Set: 19:10, Transit: 12:57. Moon - Rise: 03:40, Set: 18:16. Civil Dark: 19:43 - 06:11. Nautical Dark: 20:24 - 05:31. Astro Dark: 21:06 - 04:49

Total Clouds (% Sky Obscured)

62
56
47
100
99
99
98
97
97
97
97
96
84
81
79
75
77
76
95
93
92
87
94
96

Low Clouds (% Sky Obscured)

62
56
47
95
92
94
91
92
87
78
66
52
43
46
53
56
57
58
58
56
61
59
61
64

Medium Clouds (% Sky Obscured)

39
41
43
37
72
48
26
25
38
32
39
80
60
37
28
20
22
31
39
40
39
39
61
61

High Clouds (% Sky Obscured)

9
6
4
22
26
31
40
47
49
50
52
26
16
13
12
8
27
41
69
59
51
30
51
70

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
13
15
10
10
7
3
5
5
5
5
4
0
4
7
8
14
14
2
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
59
57
57
60
64
71
77
82
85
87
89
89
90
90
92
89
90
89
90
86
79
73
70

Pressure (mb)

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

Ozone (du)

264
264
265
265
262
260
259
258
258
257
257
258
258
258
257
257
257
257
256
258
258
258
257
257

Friday 19

Waning Crescent 2%

04:59

18:30

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
10 Bad
11 Bad

Sun - Rise: 06:47, Set: 19:07, Transit: 12:56. Moon - Rise: 04:59, Set: 18:30. Civil Dark: 19:41 - 06:13. Nautical Dark: 20:21 - 05:33. Astro Dark: 21:03 - 04:51

Total Clouds (% Sky Obscured)

97
93
89
87
78
71
65
99
99
100
99
99
99
99
100
100
100
100
100
100
99
99
99
100

Low Clouds (% Sky Obscured)

68
69
66
67
56
48
39
58
61
64
64
64
64
43
21
0
13
25
37
38
37
35
32
28

Medium Clouds (% Sky Obscured)

68
51
23
3
2
1
1
12
18
27
18
10
2
2
3
4
11
20
39
48
62
69
68
67

High Clouds (% Sky Obscured)

75
71
65
54
45
21
22
87
92
99
98
96
95
96
98
100
100
100
100
99
98
97
98
99

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
8
2
3
3
8
0
0
0
0
1
0
0
0
0
0
2
3
1
1
0
0
4
6

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
65
70
72
71
72
76
77
80
82
86
83
81
79
77
74
70
67
63
60
60
61
61
62

Pressure (mb)

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

Ozone (du)

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

Saturday 20

Waning Crescent 2%

06:15

18:40

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
10 Bad
11 Bad

Sun - Rise: 06:48, Set: 19:05, Transit: 12:56. Moon - Rise: 06:15, Set: 18:40. Civil Dark: 19:39 - 06:15. Nautical Dark: 20:19 - 05:35. Astro Dark: 21:01 - 04:53

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
89
78
69
49
28
8
12
16
15
29
51
69
66
65
63
65
70

Low Clouds (% Sky Obscured)

24
27
36
40
52
68
83
79
75
69
49
28
8
7
6
5
5
0
5
9
12
16
27
31

Medium Clouds (% Sky Obscured)

64
69
78
86
74
66
59
55
61
55
49
28
8
12
9
0
0
0
0
0
0
0
14
28

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
78
57
35
35
28
8
12
16
15
29
51
69
66
65
63
60
50

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
1
3
4
6
7
8
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

4
22
29
29
33
32
26
34
35
32
33
36
41
53
63
72
70
69
69
66
62
51
49
43

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.4
0.4
0.3
0.3
0.2
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
14
19
20
20
20
20
20
16
16
16
16
15
14
14
14
13
13
13
13
12
13
13
14

Dew Point (°C)

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

Relative Humidity (%)

64
66
68
73
76
81
86
90
93
93
96
96
96
96
96
98
96
96
96
96
90
86
82
75

Pressure (mb)

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

Ozone (du)

264
263
264
264
265
266
267
268
269
269
270
271
271
272
272
272
273
273
273
274
275
276
277
279

Sunday 21

New Moon 0%

07:28

18:50

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 OK

Sun - Rise: 06:50, Set: 19:03, Transit: 12:56. Moon - Rise: 07:28, Set: 18:50. Civil Dark: 19:36 - 06:16. Nautical Dark: 20:16 - 05:37. Astro Dark: 20:58 - 04:55

Total Clouds (% Sky Obscured)

74
73
72
69
53
37
21
24
41
50
43
37
22

Low Clouds (% Sky Obscured)

35
34
33
28
23
21
19
15
11
6
8
12
10

Medium Clouds (% Sky Obscured)

39
45
53
62
43
22
2
7
15
20
18
13
10

High Clouds (% Sky Obscured)

43
30
16
2
32
37
21
24
41
50
43
28
0

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

32
31
29
28
35
37
27
34
33
8
13
12
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
11
11
11
10
11
11
11
11
12
11
11
11

Relative Humidity (%)

70
64
61
58
55
61
67
74
79
84
89
90
92

Pressure (mb)

1014
1013
1013
1013
1012
1012
1013
1013
1013
1013
1013
1014
1014

Ozone (du)

281
283
283
283
284
285
286
288
290
293
295
294
293

Forecast for Crownhill, Milton Keynes, United Kingdom (52.03,-0.81)

Generated: 15/09/25 12:16:43. Forecast: 15/09/25 to 21/09/25. Timezone: UTC+1.00