Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 17

Waning Crescent 12%

02:18

17:58

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:43, Set: 19:12, Transit: 12:56. Moon - Rise: 02:18, Set: 17:58. Civil Dark: 19:46 - 06:10. Nautical Dark: 20:26 - 05:29. Astro Dark: 21:09 - 04:47

Total Clouds (% Sky Obscured)

86
90
90
94
97
99
97
95
90
100
97
94
96
97
93
83
92
98
88
90
93
78
97
78

Low Clouds (% Sky Obscured)

86
90
90
93
94
94
86
90
82
100
92
84
86
92
85
67
90
84
86
78
59
56
53
50

Medium Clouds (% Sky Obscured)

52
52
39
43
46
49
38
19
17
23
19
30
32
26
8
13
0
0
0
0
3
20
40
34

High Clouds (% Sky Obscured)

0
0
0
0
20
3
3
9
11
20
4
48
5
9
8
7
49
76
65
85
36
10
8
6

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
2
6
4
14
19
10
0
0
3
1
2
2
1
2
3
3
0
2
0
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
93
93
93
95
95
93
93
93
95
95
96
95
93
93
90
86
80
73
68
67
64
58

Pressure (mb)

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

Ozone (du)

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

Thursday 18

Waning Crescent 6%

03:40

18:16

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 OK
12 OK
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:45, Set: 19:10, Transit: 12:56. 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
75
100
100
100
100
100
100
100
99
99
100
100
100
100
98
93
80
43
36
45
51
54
91

Low Clouds (% Sky Obscured)

56
45
42
40
52
51
56
61
65
61
62
60
58
74
79
67
54
44
37
35
43
47
53
41

Medium Clouds (% Sky Obscured)

6
22
3
3
29
0
0
0
0
3
4
3
13
25
25
40
55
29
2
2
1
1
1
1

High Clouds (% Sky Obscured)

33
75
100
100
100
100
100
100
100
85
89
100
100
100
99
80
46
38
12
5
14
27
24
57

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
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)

16
15
13
13
12
12
11
11
11
11
10
9
9
8
8
8
10
11
11
12
12
12
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
18
16
16
16
16
15
14
14
14
14
14
13
13
14
15
15
16
18
20
20
21
20
20

Dew Point (°C)

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

Relative Humidity (%)

61
67
75
83
89
92
93
93
95
95
96
95
95
95
96
92
81
71
62
57
51
46
43
42

Pressure (mb)

1017
1018
1018
1018
1019
1019
1019
1019
1019
1019
1018
1018
1018
1017
1017
1018
1018
1018
1017
1017
1016
1016
1015
1015

Ozone (du)

259
258
258
257
257
258
259
257
256
255
256
256
257
259
258
257
257
258
259
258
258
258
258
259

Friday 19

Waning Crescent 2%

04:59

18:29

17 OK
18 Bad
19 OK
20 Bad
21 Good
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
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

Sun - Rise: 06:47, Set: 19:07, Transit: 12:56. Moon - Rise: 04:59, Set: 18:29. Civil Dark: 19:41 - 06:13. Nautical Dark: 20:21 - 05:33. Astro Dark: 21:03 - 04:51

Total Clouds (% Sky Obscured)

46
91
48
66
16
84
72
76
83
87
64
35
79
99
88
75
97
100
100
79
79
80
83
79

Low Clouds (% Sky Obscured)

38
26
21
0
0
32
28
0
0
15
27
29
37
63
49
42
53
85
90
58
58
61
71
51

Medium Clouds (% Sky Obscured)

2
1
0
0
0
15
12
0
8
15
8
5
0
0
26
24
36
40
47
49
21
21
38
30

High Clouds (% Sky Obscured)

14
56
30
63
16
72
47
76
58
75
39
10
63
97
67
62
82
100
40
35
30
22
19
17

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
84
63
25
24
24
24
24
24
24
24
24
24
24

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
4
31
14
11
8
9
9
9

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
6
6
7
7
6
6
6
5
5
5
5
6
8
9
11
12
13
14
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

46
53
61
65
67
71
73
76
74
75
75
78
79
80
82
76
66
55
49
46
46
44
43
45

Pressure (mb)

1015
1014
1015
1015
1015
1014
1014
1013
1013
1012
1012
1011
1011
1010
1010
1010
1010
1009
1009
1009
1008
1008
1008
1008

Ozone (du)

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

Saturday 20

Waning Crescent 0%

06:14

18:40

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

Sun - Rise: 06:48, Set: 19:05, Transit: 12:55. Moon - Rise: 06:14, 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)

68
66
55
34
45
41
44
45
55
67
80
72
17
22
38
55
64
67
88
99
100
91
100
100

Low Clouds (% Sky Obscured)

48
66
38
32
45
27
19
13
16
19
21
14
7
0
14
28
40
51
78
97
95
71
84
74

Medium Clouds (% Sky Obscured)

4
40
33
0
0
0
0
0
7
15
18
18
17
22
24
29
31
39
41
45
44
47
40
30

High Clouds (% Sky Obscured)

15
15
9
0
9
10
10
15
15
15
20
21
1
0
0
0
0
1
2
3
3
4
4
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
7
6
7
9
9

Fog (%)

24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24

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 (%)

7
0
1
4
4
12
1
0
0
0
0
0
0
0
0
0
1
20
35
34
39
34
28
37

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

Chance of Frost

Temperature (°C)

19
18
17
16
15
14
13
11
11
10
10
10
9
9
8
10
11
12
13
14
14
14
14
13

Feels Like (°C)

16
15
14
13
13
11
9
8
7
7
7
6
5
5
6
8
9
10
11
11
11
10
9
9

Dew Point (°C)

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

Relative Humidity (%)

50
57
59
69
84
82
81
83
81
81
84
87
78
77
75
72
66
64
63
60
58
65
57
56

Pressure (mb)

1008
1008
1008
1009
1010
1010
1011
1011
1012
1012
1012
1012
1012
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1015

Ozone (du)

264
263
266
269
273
276
277
277
277
276
278
278
278
279
282
285
285
286
288
291
291
293
295
298

Sunday 21

New Moon 1%

07:28

18:50

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

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

Total Clouds (% Sky Obscured)

100
100
85
81
76
69
57
47
34
30
33
37
31
35
86
80
73
76
81
87
73
58
44
48

Low Clouds (% Sky Obscured)

63
50
33
17
5
5
5
5
6
3
9
8
2
0
64
60
55
56
57
58
53
49
44
48

Medium Clouds (% Sky Obscured)

40
45
49
44
69
41
37
33
25
11
0
1
28
35
58
47
32
38
44
51
40
26
9
12

High Clouds (% Sky Obscured)

1
0
1
1
2
2
1
0
0
0
0
1
21
25
34
32
17
17
20
27
23
20
13
13

ISS Passover

Visibility (miles)

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

Fog (%)

24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24

Precipitation Type

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

Precipitation Probability (%)

43
45
36
25
10
16
7
11
20
20
17
16
13
15
27
28
23
28
31
29
46
55
59
54

Precipitation Amount (mm)

0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0

Wind Speed/Direction (mph)

9
8
7
6
7
7
6
5
5
6
6
7
7
6
6
11
12
14
15
15
16
16
17
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
59
63
68
72
73
76
78
80
84
84
82
81
82
82
77
73
67
62
55
49
56
65
73

Pressure (mb)

1015
1015
1016
1016
1017
1017
1017
1018
1018
1018
1018
1019
1019
1019
1020
1018
1018
1019
1019
1019
1019
1019
1020
1020

Ozone (du)

301
304
308
311
310
308
307
307
308
307
308
308
310
310
311
311
312
312
312
312
312
313
313
313

Monday 22

Waxing Crescent 3%

08:41

18:59

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:52, Set: 19:00, Transit: 12:55. Moon - Rise: 08:41, Set: 18:59. Civil Dark: 19:34 - 06:18. Nautical Dark: 20:14 - 05:38. Astro Dark: 20:55 - 04:57

Total Clouds (% Sky Obscured)

52
55
53
53
56
54
50
47
55
62
71
64
55
44
52
60
70
66
62
58
73
87
100
100

Low Clouds (% Sky Obscured)

52
55
53
53
53
49
44
40
45
48
54
53
50
44
48
48
48
51
53
55
55
54
54
56

Medium Clouds (% Sky Obscured)

19
34
43
53
56
43
25
6
11
17
26
19
13
7
19
39
53
61
62
58
63
60
58
44

High Clouds (% Sky Obscured)

11
7
6
6
5
4
3
4
3
3
3
7
12
15
33
39
46
41
37
37
63
79
96
97

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
9
9
9

Fog (%)

24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24

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 (%)

46
29
24
18
9
10
7
1
4
4
1
6
8
7
25
29
27
27
23
17
18
16
9
26

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
72
73
75
73
75
76
77
78
78
78
77
78
80
81
78
75
73
66
60
56
55
54
54

Pressure (mb)

1020
1021
1022
1022
1022
1023
1023
1023
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1020
1020
1019
1019
1018

Ozone (du)

312
312
312
312
312
312
312
312
311
312
312
312
311
311
310
309
309
308
308
309
309
309
310
310

Tuesday 23

Waxing Crescent 7%

09:55

19:09

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
12 Bad

Sun - Rise: 06:53, Set: 18:58, Transit: 12:54. Moon - Rise: 09:55, Set: 19:09. Civil Dark: 19:31 - 06:20. Nautical Dark: 20:11 - 05:40. Astro Dark: 20:53 - 04:59

Total Clouds (% Sky Obscured)

100
100
100
100
100
93
88
82
83
89
96
97
98
98
98
98
100
90
80
70

Low Clouds (% Sky Obscured)

59
60
72
84
96
82
77
72
67
64
64
74
85
95
95
96
96
84
70
60

Medium Clouds (% Sky Obscured)

33
18
36
54
74
76
78
75
70
70
70
74
74
73
66
54
49
42
37
32

High Clouds (% Sky Obscured)

98
100
85
63
40
40
35
25
15
15
14
9
4
4
36
68
100
69
39
30

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
1
4
7

Fog (%)

24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24

Precipitation Type

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

Precipitation Probability (%)

32
35
59
61
61
47
37
11
33
45
36
54
72
90
95
95
95
95
86
73

Precipitation Amount (mm)

0
0
0.3
0.3
0.3
0
0
0
0
0
0
0
0.3
0.6
0.7
0.9
1.2
0.8
0.6
0.4

Wind Speed/Direction (mph)

16
15
14
14
13
13
13
13
13
13
13
13
15
16
18
15
14
12
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
10
7
7
7
7
7
7
7
6
7
6
6
6
6
6
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

59
63
70
72
73
76
75
75
75
77
80
83
84
85
85
88
90
95
87
82

Pressure (mb)

1018
1019
1019
1019
1019
1019
1018
1018
1018
1017
1017
1017
1016
1016
1015
1015
1014
1014
1014
1014

Ozone (du)

310
311
311
312
312
313
313
314
314
315
317
318
320
321
323
321
319
317
317
318

Forecast for Loughton, Milton Keynes, United Kingdom (52.03,-0.77)

Generated: 17/09/25 17:45:36. Forecast: 17/09/25 to 23/09/25. Timezone: UTC+1.00