Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 29

Waxing Gibbous 66%

13:12

01:30

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 OK
05 Good
06 OK
07 Bad
08 OK
09 Good
10 Good
11 Good
12 Good

Sun - Rise: 07:46, Set: 15:57, Transit: 11:51. Moon - Rise: 13:12, Set: 01:30. Civil Dark: 16:36 - 07:07. Nautical Dark: 17:18 - 06:25. Astro Dark: 17:59 - 05:44

Total Clouds (% Sky Obscured)

100
100
72
80
79
62
67
89
78
81
81
72
84
62
65
30
0
29
68
22
4
3
0
6

Low Clouds (% Sky Obscured)

64
39
41
69
78
62
67
89
77
73
70
71
79
62
57
30
0
29
68
22
0
3
0
5

Medium Clouds (% Sky Obscured)

78
50
16
2
0
0
1
0
0
6
33
14
3
5
12
1
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
60
60
65
65
14
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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
4
0
0
0
9
5
8
12
6
4
9
0
2
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

8
7
7
6
6
6
5
5
5
5
5
4
4
4
4
3
3
2
2
2
2
3
4
5

Feels Like (°C)

2
2
2
2
3
2
3
2
2
2
1
1
-0
-1
-1
-1
-1
-1
-1
-1
-1
-2
1
3

Dew Point (°C)

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

Relative Humidity (%)

90
90
87
88
93
90
91
91
91
91
91
91
93
91
88
86
91
86
88
88
85
82
77
75

Pressure (mb)

999
1000
1001
1001
1002
1002
1003
1004
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1013
1014
1015
1015
1016
1016

Ozone (du)

313
321
327
330
332
337
342
352
356
349
346
347
346
344
338
336
338
340
343
343
339
337
333
327

Sunday 30

Waxing Gibbous 77%

13:24

02:55

13 Good
14 Good
15 Good
16 OK
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: 07:48, Set: 15:56, Transit: 11:52. Moon - Rise: 13:24, Set: 02:55. Civil Dark: 16:35 - 07:08. Nautical Dark: 17:18 - 06:26. Astro Dark: 17:58 - 05:45

Total Clouds (% Sky Obscured)

9
4
0
37
56
74
96
87
86
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

9
4
0
37
45
57
45
44
51
80
61
60
85
91
93
89
91
90
91
98
91
99
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
8
14
31
31
26
100
100
100
60
79
97
79
100
99
96
97
98
99
100
98

High Clouds (% Sky Obscured)

0
0
0
8
9
65
85
51
71
100
100
100
100
100
100
100
100
91
96
100
100
78
37
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
4
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
1
2
3
22
25
38
51
62
62
63
58
65
78
95
87
42

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0.2
0.3
0.5
1
0.6
0

Wind Speed/Direction (mph)

9
8
6
5
5
6
6
7
8
8
9
11
12
13
16
17
18
20
20
20
21
22
22
22

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
4
5
4
2
2
1
0
1
1
1
2
3
3
2
1
2
2
2
2
2
3
3
3

Dew Point (°C)

1
2
3
3
2
2
2
3
3
3
4
5
6
6
6
5
5
6
6
7
8
8
9
9

Relative Humidity (%)

74
78
82
88
89
89
88
89
91
93
93
94
93
91
87
82
82
85
87
88
91
90
93
93

Pressure (mb)

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

Ozone (du)

322
317
312
309
305
299
295
292
290
289
287
286
284
281
279
277
277
274
272
270
267
267
267
266

Monday 1

Waxing Gibbous 86%

13:38

04:25

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
12 Bad

Sun - Rise: 07:49, Set: 15:56, Transit: 11:52. Moon - Rise: 13:38, Set: 04:25. Civil Dark: 16:35 - 07:10. Nautical Dark: 17:17 - 06:27. Astro Dark: 17:58 - 05:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
52
77
72
69
66
67
67
66
71

Low Clouds (% Sky Obscured)

100
100
100
100
89
90
95
96
100
95
90
83
68
65
51
42
46
54
62
65
66
67
66
71

Medium Clouds (% Sky Obscured)

100
78
99
59
39
34
32
94
100
98
78
100
100
63
100
3
46
28
7
0
0
0
6
3

High Clouds (% Sky Obscured)

100
100
100
100
86
100
100
100
100
100
100
100
100
55
45
25
25
25
15
15
10
5
10
8

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
7
5
5
3
9
9
8
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

30
13
8
10
36
53
61
73
95
95
95
95
85
42
56
41
36
14
16
0
0
0
0
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.6
1.2
0.7
1.4
0.5
0
0.3
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

23
23
23
23
22
23
23
23
22
21
18
17
17
15
15
12
8
6
5
5
5
7
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
4
4
3
4
3
3
3
2
2
2
2
2
2
2
3
4
5
5
5
5
4
5
6

Dew Point (°C)

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

Relative Humidity (%)

91
93
91
91
91
88
88
87
85
87
90
93
93
91
90
93
95
90
91
91
91
88
88
87

Pressure (mb)

1003
1002
1002
1001
1001
1001
1000
1000
1000
1000
999
999
999
1000
1000
1000
1001
1001
1002
1003
1004
1004
1005
1005

Ozone (du)

264
262
261
261
262
262
263
263
264
266
267
267
267
270
270
273
273
277
279
280
281
284
286
286

Tuesday 2

Waxing Gibbous 94%

13:55

06:00

13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 OK
21 Bad
22 OK
23 OK
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: 07:50, Set: 15:55, Transit: 11:52. Moon - Rise: 13:55, Set: 06:00. Civil Dark: 16:34 - 07:11. Nautical Dark: 17:17 - 06:28. Astro Dark: 17:57 - 05:48

Total Clouds (% Sky Obscured)

74
76
71
66
64
48
38
36
40
38
35
41
41
44
62
54
59
62
62
55
57
58
63
56

Low Clouds (% Sky Obscured)

74
76
71
64
53
47
38
36
40
38
35
37
39
41
40
42
41
43
46
48
49
54
55
52

Medium Clouds (% Sky Obscured)

42
0
2
1
2
2
2
3
3
1
3
1
1
1
4
8
10
6
3
0
0
0
0
1

High Clouds (% Sky Obscured)

2
1
1
1
14
3
1
1
7
4
2
7
4
5
35
3
1
0
0
0
0
0
0
0

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
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
6
6
6
5
5
6
5
4
4
4
3
3
4
2
3
3
3
3
4
5
6
7

Dew Point (°C)

6
6
6
6
6
5
5
4
4
4
4
3
2
2
2
2
2
2
2
2
2
3
4
4

Relative Humidity (%)

88
88
87
88
88
90
90
91
91
91
93
89
88
88
89
88
88
89
89
89
88
86
82
81

Pressure (mb)

1006
1006
1006
1007
1008
1008
1009
1009
1010
1010
1011
1011
1011
1011
1012
1012
1012
1012
1012
1013
1013
1013
1013
1012

Ozone (du)

287
287
288
287
289
289
289
290
292
294
294
295
297
298
300
300
299
300
300
308
313
315
318
317

Wednesday 3

Waxing Gibbous 98%

14:18

07:36

13 Bad
14 OK
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
12 Bad

Sun - Rise: 07:51, Set: 15:55, Transit: 11:53. Moon - Rise: 14:18, Set: 07:36. Civil Dark: 16:34 - 07:12. Nautical Dark: 17:17 - 06:29. Astro Dark: 17:57 - 05:49

Total Clouds (% Sky Obscured)

49
42
50
60
66
72
79
82
87
94
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

47
42
49
55
62
66
73
77
75
69
62
65
68
71
74
76
79
81
83
85
90
95
100
100

Medium Clouds (% Sky Obscured)

2
2
2
1
0
0
0
0
0
0
0
18
33
40
49
66
77
81
84
86
89
92
95
95

High Clouds (% Sky Obscured)

0
0
0
1
1
12
25
30
53
77
100
100
100
100
100
100
100
100
100
100
97
93
90
88

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
7
5
2

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 (%)

4
5
23
30
29
17
7
0
0
0
0
0
0
0
1
1
0
7
13
16
42
61
79
82

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
7
5
5
4
3
2
2
2
2
1
1
1
1
1
1
0
2
1
0
0
1
2

Dew Point (°C)

5
5
5
5
5
5
4
4
4
4
4
3
3
4
4
4
4
5
4
4
4
5
6
6

Relative Humidity (%)

81
84
88
90
91
93
93
93
93
93
91
91
91
94
94
93
91
93
90
88
86
88
91
93

Pressure (mb)

1012
1012
1012
1011
1011
1011
1011
1011
1010
1010
1009
1008
1008
1007
1006
1005
1005
1004
1004
1003
1003
1003
1003
1002

Ozone (du)

312
307
302
300
304
304
303
303
303
304
305
305
307
308
309
309
309
308
310
312
314
318
321
325

Thursday 4

Full Moon 100%

14:53

09:04

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
12 Bad

Sun - Rise: 07:53, Set: 15:54, Transit: 11:53. Moon - Rise: 14:53, Set: 09:04. Civil Dark: 16:34 - 07:13. Nautical Dark: 17:16 - 06:30. Astro Dark: 17:57 - 05:50

Total Clouds (% Sky Obscured)

100
100
100
100
100
92
83
75
73
71
81
80
71
59
60
66
68
71
76
81
80
79
79
75

Low Clouds (% Sky Obscured)

100
100
98
97
93
82
69
56
53
50
52
60
68
59
60
66
68
71
76
81
80
79
74
67

Medium Clouds (% Sky Obscured)

93
89
94
97
100
88
81
71
49
30
14
13
7
1
1
0
0
2
5
8
30
57
79
75

High Clouds (% Sky Obscured)

89
87
94
95
95
65
34
4
27
50
74
49
25
0
0
0
0
3
9
21
31
42
60
54

ISS Passover

Visibility (miles)

5
7
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

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

Precipitation Probability (%)

79
71
48
28
10
16
13
2
5
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.5
0.4
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
12
12
11
11
10
9
8
7
7
6
6
5
5
5
5
5
5
4
3
4
5
6
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
3
3
4
3
3
3
3
3
3
3
3
3
3
4
4
4
3
2
1
1
0
-0

Dew Point (°C)

5
5
5
5
5
4
4
4
3
3
3
2
2
2
2
2
3
2
3
2
2
3
3
3

Relative Humidity (%)

90
88
85
87
88
90
90
90
88
88
88
88
88
86
86
88
89
89
91
89
89
86
82
79

Pressure (mb)

1002
1002
1003
1003
1004
1005
1006
1006
1007
1008
1008
1009
1009
1010
1010
1011
1011
1011
1012
1012
1012
1012
1012
1011

Ozone (du)

329
334
339
343
348
352
356
360
364
370
377
383
384
386
387
373
360
347
342
337
332
326
320
314

Friday 5

Waning Gibbous 98%

15:45

10:11

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

Sun - Rise: 07:54, Set: 15:54, Transit: 11:54. Moon - Rise: 15:45, Set: 10:11. Civil Dark: 16:33 - 07:14. Nautical Dark: 17:16 - 06:31. Astro Dark: 17:57 - 05:51

Total Clouds (% Sky Obscured)

71
67
74
80
87
91
96
100
93
86
80
84
86
84
79
71
61

Low Clouds (% Sky Obscured)

60
56
66
72
82
74
68
61
65
63
58
62
72
81
69
56
47

Medium Clouds (% Sky Obscured)

71
67
65
70
65
70
70
85
93
86
80
61
42
27
33
33
31

High Clouds (% Sky Obscured)

49
49
39
39
34
53
68
83
81
78
68
47
30
16
16
15
19

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
5
3
5
7
9
9
9
9
9
9

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

Precipitation Probability (%)

0
0
8
15
21
60
87
95
95
95
76
65
49
22
26
25
17

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.5
1
0.9
0.7
0.4
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
6
6
6
6
6
6
6
6
6
7
7
7
6
5
5
5

Feels Like (°C)

3
2
1
1
1
0
-1
-1
-1
-2
-2
-3
-0
-0
0
0
0

Dew Point (°C)

3
3
3
2
2
3
3
4
5
5
6
6
6
5
4
4
4

Relative Humidity (%)

78
76
76
78
79
80
83
86
93
93
93
94
93
91
91
90
90

Pressure (mb)

1011
1011
1010
1010
1009
1009
1008
1008
1007
1007
1007
1006
1006
1006
1006
1006
1007

Ozone (du)

308
302
295
294
293
292
294
297
299
301
304
306
305
304
303
303
303

Forecast for Great Missenden, Buckinghamshire, United Kingdom (51.70,-0.70)

Generated: 29/11/25 13:51:19. Forecast: 29/11/25 to 05/12/25. Timezone: UTC+0.00