Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 19

Waning Crescent 1%

06:55

15:08

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

Sun - Rise: 07:29, Set: 16:07, Transit: 11:48. Moon - Rise: 06:55, Set: 15:08. Civil Dark: 16:44 - 06:53. Nautical Dark: 17:26 - 06:12. Astro Dark: 18:05 - 05:32

Total Clouds (% Sky Obscured)

100
100
100
100
100
97
80
89
71
58
75
47
39
27
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

89
77
58
58
65
67
67
79
69
56
75
35
27
4
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

100
100
97
100
100
97
76
66
7
3
1
8
19
10
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
37
30
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

0
100
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
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
81
95
44
5
0
0
0
1
0
0
0
3
14
12
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.5
1.8
0.3
1.8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
13
16
19
20
20
20
18
18
16
14
13
13
13
12
12
12
12
11
11
10
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-3
-3
-4
-5
-5
-5
-4
-3
-4
-4
-4
-4
-5
-5
-5
-5
-7
-6
-6
-6
-6
-6
-6
-6

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
94
86
89
89
85
86
83
84
84
86
86
92
83
84
83
81
81
79
79
78

Pressure (mb)

1006
1007
1008
1009
1009
1010
1010
1011
1011
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015

Ozone (du)

321
325
333
335
337
332
326
319
318
320
317
314
312
316
324
329
329
320
317
316
315
316
316
317

Thursday 20

New Moon 0%

08:08

15:31

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

Sun - Rise: 07:31, Set: 16:05, Transit: 11:48. Moon - Rise: 08:08, Set: 15:31. Civil Dark: 16:43 - 06:54. Nautical Dark: 17:25 - 06:13. Astro Dark: 18:05 - 05:33

Total Clouds (% Sky Obscured)

0
94
64
39
4
29
81
70
90
76
73
64
69
60
56
66
61
70
71
60
65
66
50
29

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
29
70
90
76
73
64
69
60
56
66
60
70
71
59
65
65
50
29

Medium Clouds (% Sky Obscured)

0
36
26
18
4
18
40
0
0
2
3
2
0
0
4
3
3
2
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
11
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
0
1
0
0
0
1
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)

9
9
10
10
11
12
12
12
12
13
13
13
13
12
12
12
12
11
10
9
10
9
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-6
-6
-6
-4
-3
-4
-2
-1
-2
-2
-3
-4
-4
-4
-4
-3
-4
-3
-3
-3
-4
-3
-3
-2

Dew Point (°C)

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

Relative Humidity (%)

78
79
75
71
69
66
68
69
68
70
73
76
80
84
84
87
87
89
91
91
91
91
91
92

Pressure (mb)

1015
1015
1016
1016
1016
1016
1015
1015
1016
1016
1017
1017
1018
1019
1019
1020
1021
1021
1021
1022
1023
1023
1024
1024

Ozone (du)

321
327
327
329
331
327
322
314
311
312
313
316
318
319
318
317
315
314
312
308
305
306
306
301

Friday 21

Waxing Crescent 2%

09:18

16:04

07 OK
08 OK
09 OK
10 OK
11 Good
12 OK
13 OK
14 OK
15 Good
16 OK
17 OK
18 OK
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: 07:32, Set: 16:04, Transit: 11:48. Moon - Rise: 09:18, Set: 16:04. Civil Dark: 16:42 - 06:56. Nautical Dark: 17:24 - 06:14. Astro Dark: 18:04 - 05:34

Total Clouds (% Sky Obscured)

23
20
29
24
3
25
30
33
4
47
37
37
58
78
100
100
88
83
79
76
84
92
100
100

Low Clouds (% Sky Obscured)

23
5
29
24
0
0
0
0
0
0
0
0
0
0
0
0
1
4
7
40
54
63
72
79

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
4
4
0
4
5
4
16
78
91
100
81
60
76
75
82
85
90
93

High Clouds (% Sky Obscured)

0
12
4
2
3
25
30
33
3
44
21
16
6
8
68
89
71
64
51
42
59
78
94
90

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
1
5
28
16
5

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
87
83
74
70
68
67
69
74
79
81
84
84
86
84
83
81
83
81
80
78
77
80
82

Pressure (mb)

1025
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1025
1024
1024
1023
1023
1022
1021

Ozone (du)

299
296
295
293
291
290
289
286
282
280
280
281
278
267
257
260
263
265
268
273
277
285
290
297

Saturday 22

Waxing Crescent 5%

10:20

16:48

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: 07:34, Set: 16:03, Transit: 11:49. Moon - Rise: 10:20, Set: 16:48. Civil Dark: 16:41 - 06:57. Nautical Dark: 17:23 - 06:16. Astro Dark: 18:03 - 05:36

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
98
97
98
99
100
100
100
100
100
100
100
100
100
100
91
82
71
76

Low Clouds (% Sky Obscured)

86
92
93
95
97
94
91
89
92
96
100
87
100
100
100
100
100
100
100
100
91
82
71
74

Medium Clouds (% Sky Obscured)

93
100
59
100
66
66
86
85
39
39
68
99
100
100
100
100
100
83
67
60
3
23
50
31

High Clouds (% Sky Obscured)

95
95
94
88
83
59
33
16
39
77
100
100
100
100
100
100
89
73
47
13
2
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
6
2
1
4
9
9
9
9
9
9
2
7

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

Precipitation Probability (%)

20
28
44
55
75
73
73
78
67
67
66
53
63
55
77
95
95
95
95
92
73
63
66
53

Precipitation Amount (mm)

0
0
0
0
0.4
0.3
0.3
0.5
0.3
0.4
0.6
0.2
0.3
0
0.4
0.6
0.9
0.9
0.8
0.5
0.3
0.2
0.4
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
83
86
86
88
91
93
93
93
94
93
94
96
98
98
98
94
94
94
94
94
96
96
96

Pressure (mb)

1020
1020
1019
1018
1017
1016
1015
1014
1014
1013
1012
1012
1011
1010
1009
1008
1007
1006
1004
1003
1002
1002
1001
1000

Ozone (du)

294
292
293
296
295
294
290
286
284
284
282
279
275
275
275
271
276
275
276
270
270
271
270
268

Sunday 23

Waxing Crescent 10%

11:09

17:46

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: 07:36, Set: 16:02, Transit: 11:49. Moon - Rise: 11:09, Set: 17:46. Civil Dark: 16:40 - 06:59. Nautical Dark: 17:22 - 06:17. Astro Dark: 18:02 - 05:37

Total Clouds (% Sky Obscured)

82
87
90
92
96
97
98
99
99
99
99
67
77
89
89
90
91
94
97
100
100
100
100
100

Low Clouds (% Sky Obscured)

74
74
71
60
63
55
57
56
65
72
79
46
50
55
50
44
39
36
32
29
39
47
54
52

Medium Clouds (% Sky Obscured)

50
23
34
42
51
57
57
65
58
67
61
2
4
5
10
14
18
19
24
35
40
40
35
30

High Clouds (% Sky Obscured)

11
1
12
13
15
20
22
25
25
5
21
40
49
61
56
52
51
67
84
100
100
100
100
98

ISS Passover

Visibility (miles)

5
9
7
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
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 (%)

82
35
36
20
16
15
15
12
30
41
48
2
1
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.8
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)

14
15
13
14
14
15
14
15
14
12
11
11
11
10
10
9
8
7
6
5
4
3
2
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
90
85
82
81
81
82
82
82
82
82
83
83
86
88
89
89
89
89
89
91
91

Pressure (mb)

999
999
998
998
998
997
997
997
996
996
996
995
999
999
998
998
997
997
996
995
995
994
994
993

Ozone (du)

271
274
275
276
274
274
275
276
275
274
274
273
274
276
277
279
280
282
283
284
285
287
289
291

Monday 24

Waxing Crescent 17%

11:46

18:55

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: 07:37, Set: 16:01, Transit: 11:49. Moon - Rise: 11:46, Set: 18:55. Civil Dark: 16:40 - N/A. Nautical Dark: 17:21 - 06:18. Astro Dark: 18:01 - 05:38

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
98
97
95
96

Low Clouds (% Sky Obscured)

49
46
47
50
53
65
67
75
77
82
80
78
73
68
74
80
85
80
76
71
63
57
48
52

Medium Clouds (% Sky Obscured)

15
15
10
10
15
15
40
50
55
55
50
41
32
27
31
32
45
43
42
37
30
26
23
17

High Clouds (% Sky Obscured)

97
96
95
94
95
96
97
99
99
99
99
98
97
97
98
98
99
97
95
93
88
84
75
77

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
2
2
2
7
8
7
14
14
10
11
10
6
11
10
6
12
13
12
21

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)

3
4
4
5
6
8
8
8
8
8
9
9
10
10
11
12
13
15
15
16
16
16
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-0
0
0
0
0
0
5
4
4
4
4
4
1
1
1
0
1
1
0
-1
-1
-1
-1
-1

Dew Point (°C)

2
2
2
2
2
3
3
3
3
3
3
3
3
3
3
3
3
4
3
3
3
3
3
3

Relative Humidity (%)

91
91
89
86
82
79
81
82
83
86
89
91
93
91
91
91
93
96
93
89
89
89
88
88

Pressure (mb)

993
993
993
993
993
993
993
994
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009

Ozone (du)

292
293
294
296
298
300
301
302
302
304
305
307
307
308
309
306
303
300
296
292
288
290
291
293

Tuesday 25

Waxing Crescent 25%

12:13

20:11

Sun - Rise: 07:39, Set: 16:00, Transit: 11:50. Moon - Rise: 12:13, Set: 20:11. Civil Dark: 16:39 - 07:00. Nautical Dark: 17:21 - 06:20. Astro Dark: 18:01 - 05:39

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: 19/11/25 07:01:29. Forecast: 19/11/25 to 25/11/25. Timezone: UTC+0.00