Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 26

Waxing Crescent 44%

12:48

22:49

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

Sun - Rise: 07:42, Set: 15:59, Transit: 11:50. Moon - Rise: 12:48, Set: 22:49. Civil Dark: 16:37 - 07:03. Nautical Dark: 17:19 - 06:21. Astro Dark: 18:00 - 05:41

Total Clouds (% Sky Obscured)

100
100
98
99
100
100
96
100
98
93
93
99
90
93
100
100
100
95
84
94
97
96
100
96

Low Clouds (% Sky Obscured)

100
95
96
79
77
83
90
80
78
82
75
73
71
67
54
90
92
85
81
78
90
93
100
65

Medium Clouds (% Sky Obscured)

89
79
89
65
42
72
96
97
90
62
30
17
56
72
21
29
23
16
24
22
22
9
1
0

High Clouds (% Sky Obscured)

62
44
58
90
80
97
67
100
69
64
70
98
80
90
100
94
100
69
12
46
25
24
35
71

ISS Passover

Visibility (miles)

2
0
0
0
4
9
9
9
9
9
9
9
9
9
9
9
9
9
4
0
1
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

8
4
0
4
14
47
47
23
5
0
0
0
0
0
0
2
14
4
4
16
3
12
5
13

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
4
6
6
7
7
6
6
6
6
6
7
8
8
9
8
8
8
8
8
9
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
98
96
95
95
95
95
95
93
93
92
92
92
93
95
96
98
96
93
93
93

Pressure (mb)

1016
1016
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1013
1013
1012
1012
1012
1011
1011
1011
1011
1011
1012
1012

Ozone (du)

260
260
258
257
257
258
258
256
255
255
255
256
256
256
255
255
254
255
256
255
256
255
254
254

Thursday 27

Waxing Crescent 55%

13:01

No Set

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

Sun - Rise: 07:43, Set: 15:58, Transit: 11:51. Moon - Rise: 13:01, Set: No Set. Civil Dark: 16:37 - 07:04. Nautical Dark: 17:19 - 06:22. Astro Dark: 17:59 - 05:42

Total Clouds (% Sky Obscured)

71
81
75
97
98
96
100
100
100
100
33
35
87
97
100
89
37
23
26
24
21
7
9
30

Low Clouds (% Sky Obscured)

66
41
4
26
32
47
46
45
31
26
29
34
87
93
37
77
29
23
26
24
21
6
4
19

Medium Clouds (% Sky Obscured)

2
23
29
95
84
95
100
61
51
17
0
4
28
44
40
21
37
0
0
0
0
0
0
30

High Clouds (% Sky Obscured)

23
46
52
47
80
71
82
70
56
99
28
2
0
0
1
1
0
0
0
0
0
1
9
30

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

Precipitation Probability (%)

2
0
0
0
0
0
0
0
0
0
0
2
27
83
59
29
14
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.7
0.3
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
8
8
7
7
7
6
6
6
6
6
6
7
8
7
6
4
4
4
4
4
4
4

Relative Humidity (%)

88
93
93
95
93
95
93
91
91
91
90
87
81
78
84
82
78
77
81
82
87
88
90
88

Pressure (mb)

1012
1013
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1010
1009
1009
1009
1009
1010
1011
1011
1011
1012
1012
1012

Ozone (du)

256
257
259
262
265
268
266
265
264
264
267
270
275
277
277
281
285
286
285
285
287
289
292
292

Friday 28

First Quarter 66%

13:12

00:08

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

Sun - Rise: 07:45, Set: 15:57, Transit: 11:51. Moon - Rise: 13:12, Set: 00:08. Civil Dark: 16:36 - 07:06. Nautical Dark: 17:18 - 06:23. Astro Dark: 17:59 - 05:43

Total Clouds (% Sky Obscured)

95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
97
99
100
100
100

Low Clouds (% Sky Obscured)

23
9
5
2
0
56
51
64
64
83
83
100
100
98
100
90
82
100
55
56
57
59
65
68

Medium Clouds (% Sky Obscured)

94
100
77
33
69
100
100
87
100
98
98
100
100
100
100
99
100
66
73
80
36
43
26
75

High Clouds (% Sky Obscured)

83
55
100
100
100
100
100
100
85
100
99
100
100
100
100
100
100
100
88
92
88
86
90
95

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
6
3
2
2
9
9
9
9
9
9
9
9
7
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
Very Light Rain
None
None
Light Rain
None
None
Very Light Rain
None
None
None
None

Precipitation Probability (%)

0
0
0
0
1
16
20
57
95
95
95
95
95
61
48
58
86
36
36
53
39
10
2
12

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
1.2
1.2
2.3
0.8
0.6
0.2
0
0
0.8
0
0
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
83
85
85
86
88
90
90
91
93
94
93
90
85
82
84
84
85
93
91
93
93
80
80

Pressure (mb)

1012
1011
1011
1010
1009
1008
1007
1006
1005
1004
1003
1003
1002
1001
1000
999
999
999
999
1000
1000
1000
1001
1001

Ozone (du)

293
296
297
297
299
301
304
306
308
312
315
319
323
326
328
330
333
337
341
343
344
347
348
347

Saturday 29

Waxing Gibbous 77%

13:24

01:30

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 OK
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 07:46, Set: 15:56, Transit: 11:51. Moon - Rise: 13:24, Set: 01:30. Civil Dark: 16:35 - 07:07. Nautical Dark: 17:18 - 06:25. Astro Dark: 17:58 - 05:44

Total Clouds (% Sky Obscured)

100
91
81
72
74
79
83
80
80
76
80
65
64
61
53
46
53
57
61
67
70
66
65
63

Low Clouds (% Sky Obscured)

71
73
67
52
70
75
73
74
72
69
73
65
64
58
48
38
41
45
46
50
53
57
55
58

Medium Clouds (% Sky Obscured)

69
62
54
50
45
35
45
46
33
16
3
1
0
5
11
16
14
10
4
3
1
0
0
0

High Clouds (% Sky Obscured)

90
60
32
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
4
7
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
21
29
27
21
8
5
14
19
4
4
4
1
4
4
1
3
8
3
4
5
5
4
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)

12
13
12
12
12
11
11
11
11
11
9
8
9
9
7
7
8
6
5
5
5
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
85
83
83
83
80
82
85
89
89
85
80
80
79
75
75
78
80
86
88
89
89
89
89

Pressure (mb)

1001
1002
1002
1002
1002
1003
1003
1004
1004
1005
1006
1007
1007
1008
1008
1008
1009
1010
1010
1011
1011
1011
1012
1011

Ozone (du)

346
346
347
347
348
356
357
355
355
350
349
349
353
352
350
346
341
336
331
327
322
321
320
316

Sunday 30

Waxing Gibbous 86%

13:38

02:55

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

Sun - Rise: 07:48, Set: 15:56, Transit: 11:52. Moon - Rise: 13:38, Set: 02:55. Civil Dark: 16:35 - 07:08. Nautical Dark: 17:17 - 06:26. Astro Dark: 17:58 - 05:45

Total Clouds (% Sky Obscured)

69
68
66
60
66
73
76
85
93
100
100
100
100
100
100
100
100
100
100
91
81
72
78
83

Low Clouds (% Sky Obscured)

56
58
59
60
62
65
67
83
87
99
95
91
86
84
82
80
87
93
100
91
81
72
73
75

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
2
41
57
59
73
84
100
100
100
100
100
100
100
79
60
40
45
51

High Clouds (% Sky Obscured)

7
8
6
3
7
16
20
25
30
35
56
78
100
100
100
100
75
50
30
37
33
22
15
8

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
6
3
3
4
4
4
6
7
9
9
9
9
8

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

Precipitation Probability (%)

0
1
2
1
5
6
0
6
6
4
29
55
72
84
81
77
83
91
95
88
71
48
52
68

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.5
0.5
0.5
0.5
0.7
0.8
0.6
0.3
0
0
0.3

Wind Speed/Direction (mph)

5
5
5
5
5
6
6
6
6
8
9
12
15
17
17
17
18
18
19
19
17
16
16
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
86
86
86
88
89
89
89
85
88
82
85
91
91
91
93
94
93
94
94
93
95
93
93

Pressure (mb)

1011
1011
1011
1011
1010
1009
1009
1008
1007
1007
1006
1006
1004
1003
1002
1001
999
998
997
995
994
993
992
992

Ozone (du)

311
304
301
299
294
289
284
279
278
275
272
268
266
263
262
262
261
262
264
266
267
269
270
273

Monday 1

Waxing Gibbous 94%

13:55

04:25

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

Sun - Rise: 07:49, Set: 15:55, Transit: 11:52. Moon - Rise: 13:55, Set: 04:25. Civil Dark: 16:34 - 07:10. Nautical Dark: 17:17 - 06:27. Astro Dark: 17:57 - 05:46

Total Clouds (% Sky Obscured)

89
93
96
100
89
80
74
73
73
74
69
60
46
46
50
54
61
66
72
78
84
94
96
95

Low Clouds (% Sky Obscured)

76
75
73
70
65
61
59
58
58
58
53
48
41
43
45
47
41
35
28
31
34
36
48
60

Medium Clouds (% Sky Obscured)

56
60
67
76
57
40
23
28
37
45
46
48
42
30
28
25
26
22
40
52
60
62
65
74

High Clouds (% Sky Obscured)

1
1
2
3
2
1
0
1
3
4
3
2
1
2
2
3
14
29
46
43
39
35
38
40

ISS Passover

Visibility (miles)

6
4
6
8
9
7
5
4
5
7
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
Very Light Rain
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

87
81
72
47
44
47
56
56
47
33
24
15
4
12
16
20
17
15
3
7
10
12
14
13

Precipitation Amount (mm)

0.5
0.4
0.3
0
0
0
0.2
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
13
14
16
17
16
14
13
12
11
11
11
11
11
10
9
8
7
5
4
4
4
4
5

Chance of Frost

Temperature (°C)

9
9
8
8
8
7
7
7
6
6
6
6
7
8
8
8
7
6
5
4
4
4
3
3

Feels Like (°C)

1
1
2
3
3
3
3
2
2
3
4
4
3
3
4
4
4
4
3
3
1
1
1
1

Dew Point (°C)

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

Relative Humidity (%)

93
93
90
88
88
90
93
94
94
93
91
88
87
84
84
85
87
87
90
93
93
93
93
93

Pressure (mb)

992
992
992
993
993
994
994
995
996
997
998
999
999
999
1000
1000
1000
1000
1001
1001
1001
1002
1002
1002

Ozone (du)

276
279
284
290
295
297
300
302
303
305
306
308
309
311
313
315
316
316
316
316
317
319
320
324

Tuesday 2

Waxing Gibbous 98%

14:18

06:00

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
17 Bad

Sun - Rise: 07:50, Set: 15:55, Transit: 11:52. Moon - Rise: 14:18, 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)

95
85
74
64
68
72
77
72
68
66
65
62
61
74
87
98
89
81
73

Low Clouds (% Sky Obscured)

69
63
57
53
62
67
75
71
67
64
65
62
61
65
74
82
80
78
72

Medium Clouds (% Sky Obscured)

86
59
32
5
10
15
18
36
53
66
65
62
61
66
73
84
58
30
0

High Clouds (% Sky Obscured)

40
28
15
2
5
8
14
23
38
55
44
30
14
33
58
87
58
29
1

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

4
5
6
7
26
33
38
43
47
51
45
38
30
34
40
48
38
31
14

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.2
0
0
0
0
0
0.2
0
0
0

Wind Speed/Direction (mph)

5
5
6
6
7
7
7
7
8
9
10
11
13
15
15
16
17
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
0
0
0
-1
-1
-1
0
1
1
1
1
1
1
1
0
1
0

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
93
93
91
89
89
86
85
85
84
82
82
82
84
84
84
87

Pressure (mb)

1002
1002
1002
1002
1002
1002
1002
1002
1002
1003
1003
1003
1002
1002
1002
1002
1001
1001
1002

Ozone (du)

328
332
329
327
324
324
323
322
322
323
323
325
328
330
328
326
324
319
314

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

Generated: 26/11/25 23:29:34. Forecast: 26/11/25 to 02/12/25. Timezone: UTC+0.00