Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 3

Waxing Gibbous 98%

14:18

No Set

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 OK
15 OK
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: 07:50, Set: 15:55, Transit: 11:52. Moon - Rise: 14:18, Set: No Set. Civil Dark: 16:34 - 07:11. Nautical Dark: 17:17 - 06:29. Astro Dark: 17:57 - 05:49

Total Clouds (% Sky Obscured)

78
74
76
52
58
49
74
32
44
56
52
95
100
100
100
100
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

71
58
47
52
58
49
74
32
44
56
52
75
73
73
69
75
73
68
80
77
79
79
87
93

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
22
63
100
100
97
99
100
99
100
96
97
84
99

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
5
83
100
100
100
100
87
100
100
100
100
100
64
47

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
9
9
9
9
9
9
9
9
9
9
9
9
5
5
2
6
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
Light Rain
Light Rain
Light Rain
None
None

Precipitation Probability (%)

0
1
1
0
1
5
1
0
0
0
0
0
0
0
1
0
2
8
40
83
93
87
66
65

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.9
0.6
0
0

Wind Speed/Direction (mph)

3
2
3
5
7
9
9
9
7
6
7
8
9
9
9
10
11
12
12
13
13
14
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
2
3
5
6
6
6
6
6
6
4
4
1
2
2
1
1
1
1
0
1
1
3
3

Dew Point (°C)

1
2
3
4
4
5
5
6
6
5
5
5
4
4
5
5
4
5
4
4
4
5
5
4

Relative Humidity (%)

93
93
91
90
85
82
84
84
87
91
93
93
91
91
93
93
90
91
90
90
88
93
93
85

Pressure (mb)

1008
1009
1009
1009
1009
1008
1008
1007
1007
1007
1007
1007
1006
1006
1006
1005
1004
1003
1002
1001
1000
999
999
998

Ozone (du)

303
302
297
296
296
300
294
290
289
292
295
292
290
294
299
301
301
300
295
294
297
299
304
312

Thursday 4

Full Moon 100%

14:53

07:36

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
20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 Bad
06 Bad

Sun - Rise: 07:51, Set: 15:54, Transit: 11:53. Moon - Rise: 14:53, Set: 07:36. Civil Dark: 16:34 - 07:12. Nautical Dark: 17:16 - 06:30. Astro Dark: 17:57 - 05:50

Total Clouds (% Sky Obscured)

98
100
100
100
99
100
100
96
97
92
60
37
42
27
28
34
33
32
17
22
26
31
100
96

Low Clouds (% Sky Obscured)

92
88
88
100
83
65
50
48
52
49
41
35
39
27
28
34
33
32
17
21
21
28
32
28

Medium Clouds (% Sky Obscured)

96
98
100
100
99
100
100
78
84
58
25
24
33
3
4
1
0
0
0
0
0
0
35
90

High Clouds (% Sky Obscured)

85
93
82
100
72
76
34
2
20
2
0
0
0
0
0
0
0
0
0
1
26
18
100
90

ISS Passover

Visibility (miles)

8
6
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
Very Light Rain
Light Rain
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

Precipitation Probability (%)

81
60
59
53
54
29
24
19
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
7
7
7
7
7
7
7
6
6
5
5
4
4
3
3
2
2
1
1
1
1
1
1

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
91
88
87
82
79
79
81
84
90
90
91
91
91
91
91
91
91
91
88
88
88
86
86

Pressure (mb)

998
998
998
998
998
998
998
999
999
1000
1001
1001
1002
1003
1004
1004
1005
1005
1006
1007
1007
1007
1008
1008

Ozone (du)

315
320
321
324
324
324
331
339
344
339
347
352
360
364
369
367
367
369
367
362
361
355
346
336

Friday 5

Waning Gibbous 98%

15:45

09:04

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:53, Set: 15:54, Transit: 11:53. Moon - Rise: 15:45, Set: 09:04. Civil Dark: 16:33 - 07:13. Nautical Dark: 17:16 - 06:31. Astro Dark: 17:57 - 05:51

Total Clouds (% Sky Obscured)

86
86
63
89
95
100
99
100
97
100
100
100
100
100
96
96
67
66
87
95
83
99
100
100

Low Clouds (% Sky Obscured)

4
0
3
0
0
36
27
67
88
85
100
100
100
100
87
70
62
53
74
77
60
50
55
71

Medium Clouds (% Sky Obscured)

86
86
63
89
91
100
95
100
55
99
37
97
99
88
15
23
3
11
39
74
46
36
43
77

High Clouds (% Sky Obscured)

68
24
14
40
80
71
25
39
2
27
36
13
8
4
0
75
0
15
36
60
67
87
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
6
5
2
1
4
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
1
16
31
64
77
69
95
95
68
52
39
20
17
12
13
11
4
8

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.4
0.6
0.4
1
0.8
0.4
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
7
8
10
13
14
18
20
20
23
24
25
23
24
19
17
14
15
16
16
16
16
16

Chance of Frost

Temperature (°C)

1
2
2
4
5
6
7
7
7
7
6
6
7
7
8
9
10
9
9
9
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
86
83
80
79
76
77
79
82
81
90
94
93
96
93
90
88
85
85
82
84
85
85

Pressure (mb)

1008
1008
1008
1008
1007
1006
1005
1004
1003
1001
1000
999
997
996
995
994
994
994
994
994
994
994
994
994

Ozone (du)

336
333
332
327
319
312
308
303
298
295
294
291
290
290
295
302
311
316
308
302
300
299
298
294

Saturday 6

Waning Gibbous 93%

16:58

10:11

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:54, Set: 15:53, Transit: 11:54. Moon - Rise: 16:58, Set: 10:11. Civil Dark: 16:33 - 07:14. Nautical Dark: 17:16 - 06:32. Astro Dark: 17:57 - 05:52

Total Clouds (% Sky Obscured)

100
98
100
100
100
100
100
100
100
100
100
96
92
88
85
82
80
86
93
100
100
100
100
100

Low Clouds (% Sky Obscured)

84
78
72
71
80
84
87
91
87
84
82
83
81
79
80
80
80
76
77
66
43
60
53
66

Medium Clouds (% Sky Obscured)

96
84
97
97
100
100
99
93
100
55
48
73
64
34
23
14
3
2
11
60
70
83
100
100

High Clouds (% Sky Obscured)

100
97
100
100
92
100
100
100
100
100
100
56
18
0
0
23
25
53
73
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
4
5

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

Precipitation Probability (%)

10
12
25
33
48
37
36
40
43
44
44
31
22
10
11
11
9
3
1
8
16
33
60
63

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
6
6
6
6
7
7
7
7
6
6
6
7
6
6
6
6
7
7
7
7
7
7

Relative Humidity (%)

85
84
84
81
80
78
81
84
82
81
80
78
80
85
81
80
77
78
84
87
88
90
93
96

Pressure (mb)

994
994
994
994
994
994
994
995
995
996
997
998
999
1000
1001
1001
1002
1003
1004
1004
1005
1005
1005
1005

Ozone (du)

294
295
298
295
294
294
294
293
294
295
293
285
281
285
290
290
284
283
281
283
285
285
285
286

Sunday 7

Waning Gibbous 86%

18:24

10:57

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 OK
02 OK
03 OK
04 OK
05 OK
06 Bad

Sun - Rise: 07:55, Set: 15:53, Transit: 11:54. Moon - Rise: 18:24, Set: 10:57. Civil Dark: 16:33 - 07:15. Nautical Dark: 17:16 - 06:33. Astro Dark: 17:56 - 05:53

Total Clouds (% Sky Obscured)

100
100
100
100
100
94
88
80
81
83
85
100
100
100
92
85
76
54
31
9
16
23
30
53

Low Clouds (% Sky Obscured)

82
100
96
93
89
71
49
30
23
21
19
74
66
58
64
70
76
54
31
9
16
23
30
42

Medium Clouds (% Sky Obscured)

100
100
100
100
100
89
81
75
81
68
84
99
97
95
83
71
59
52
31
9
16
19
15
27

High Clouds (% Sky Obscured)

100
100
100
100
100
77
57
40
37
33
25
87
93
100
72
43
18
20
23
9
16
23
30
50

ISS Passover

Visibility (miles)

3
9
9
2
8
9
9
8
4
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

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

Precipitation Probability (%)

65
66
63
54
33
27
25
32
32
15
11
85
66
43
26
13
0
0
1
3
7
6
3
2

Precipitation Amount (mm)

0.3
0.3
0.3
0.2
0
0
0
0
0
0
0
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
95
95
96
96
96
96
96
96
96
96
96
93
91
90
90
90
90
90
90
90
91
93
94

Pressure (mb)

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

Ozone (du)

287
290
289
289
289
290
294
296
296
296
296
295
296
297
298
298
297
296
296
295
294
294
294
294

Monday 8

Waning Gibbous 77%

19:53

11:27

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:56, Set: 15:53, Transit: 11:55. Moon - Rise: 19:53, Set: 11:27. Civil Dark: 16:33 - 07:16. Nautical Dark: 17:16 - 06:34. Astro Dark: 17:56 - 05:54

Total Clouds (% Sky Obscured)

77
100
100
100
100
98
97
95
97
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

52
63
64
66
68
62
53
45
40
36
27
36
44
51
64
76
89
88
86
85
90
95
97
87

Medium Clouds (% Sky Obscured)

32
38
47
60
71
75
61
50
59
73
88
93
98
100
100
100
100
100
100
100
84
69
54
37

High Clouds (% Sky Obscured)

70
94
97
99
100
95
91
87
91
96
100
99
97
95
95
94
93
95
97
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
2
4
7
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
Very Light Rain
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
Light Rain

Precipitation Probability (%)

3
1
17
26
44
36
32
28
19
9
0
0
1
2
35
59
84
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.7
1.1
1.8
1.5
1.6
1.4
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
91
90
87
85
83
84
86
87
88
91
93
93
93
95
96
98
98
98
95
93
93
93
93

Pressure (mb)

1010
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1013
1013
1012
1012
1012
1011
1010
1009
1008
1007
1006
1005
1004

Ozone (du)

293
293
292
292
293
293
295
297
298
301
305
308
310
313
316
315
314
313
310
307
304
303
302
300

Tuesday 9

Waning Gibbous 67%

21:18

11:48

Sun - Rise: 07:57, Set: 15:53, Transit: 11:55. Moon - Rise: 21:18, Set: 11:48. Civil Dark: 16:33 - 07:17. Nautical Dark: 17:16 - 06:35. Astro Dark: 17:56 - 05:54

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 03/12/25 07:19:29. Forecast: 03/12/25 to 09/12/25. Timezone: UTC+0.00