Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 26

Waxing Crescent 34%

12:32

21:29

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

Sun - Rise: 07:42, Set: 15:59, Transit: 11:50. Moon - Rise: 12:32, Set: 21:29. Civil Dark: 16:38 - 07:03. Nautical Dark: 17:20 - 06:21. Astro Dark: 18:00 - 05:41

Total Clouds (% Sky Obscured)

0
0
12
56
18
19
100
83
98
95
100
99
98
100
100
100
100
100
100
100
100
98
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
44
61
74
91
97
100
100
100
100
100
100
100
100
92
89
88

Medium Clouds (% Sky Obscured)

0
0
0
26
11
2
55
83
98
95
62
98
97
100
65
69
93
75
75
23
66
47
91
88

High Clouds (% Sky Obscured)

0
0
12
24
18
19
92
69
59
7
13
31
30
88
100
100
100
100
69
70
52
35
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
1
0
0
0
0
4
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
1
17
51
64
59
50
48
17
3
1
12
7
17
54
40

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
2
2
2
6
8
8
8
8
8
9
10
10
11
12
12
12
12
10
9
8
9
11
10

Chance of Frost

Temperature (°C)

-4
-2
1
3
5
5
5
4
4
4
4
5
5
6
6
7
7
8
9
9
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

-5
-4
-2
-1
1
1
1
1
1
2
2
2
3
4
5
6
7
7
8
9
10
10
10
9

Relative Humidity (%)

92
87
83
77
75
75
76
80
85
88
86
82
83
90
93
96
96
96
98
98
100
98
98
93

Pressure (mb)

1023
1024
1023
1023
1022
1022
1022
1021
1020
1020
1020
1019
1019
1018
1018
1017
1016
1016
1015
1015
1014
1014
1014
1014

Ozone (du)

285
282
279
277
274
272
272
272
271
271
269
270
268
267
266
264
264
263
261
261
261
260
257
257

Thursday 27

Waxing Crescent 44%

12:48

22:49

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
07 Bad

Sun - Rise: 07:43, Set: 15:59, Transit: 11:50. Moon - Rise: 12:48, Set: 22:49. Civil Dark: 16:37 - 07:04. Nautical Dark: 17:19 - 06:22. Astro Dark: 18:00 - 05:42

Total Clouds (% Sky Obscured)

99
100
98
99
100
100
100
100
98
85
96
100
100
87
67
73
67
77
48
70
100
99
90
97

Low Clouds (% Sky Obscured)

67
63
71
75
80
71
80
87
95
84
89
100
100
87
64
70
63
57
44
47
25
43
40
29

Medium Clouds (% Sky Obscured)

85
71
56
33
21
28
31
35
36
60
39
24
29
0
0
0
0
0
0
17
82
42
31
43

High Clouds (% Sky Obscured)

95
97
90
78
100
100
74
100
57
39
31
50
69
21
31
67
55
70
31
50
40
35
34
12

ISS Passover

Visibility (miles)

9
9
9
9
7
9
9
9
9
4
1
0
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 (%)

7
4
10
2
0
15
5
1
12
16
9
14
7
12
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
91
95
96
96
96
95
96
96
96
96
90
90
84
88
90
91
91
91
91
93
94
93

Pressure (mb)

1014
1014
1014
1014
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1012
1012
1012

Ozone (du)

257
257
258
258
258
259
259
260
258
256
255
255
254
254
256
257
258
261
265
269
268
266
266
267

Friday 28

First Quarter 55%

13:01

00:08

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
07 Bad

Sun - Rise: 07:45, Set: 15:58, Transit: 11:51. Moon - Rise: 13:01, Set: 00:08. Civil Dark: 16:37 - 07:06. Nautical Dark: 17:19 - 06:23. Astro Dark: 17:59 - 05:43

Total Clouds (% Sky Obscured)

98
96
95
95
79
79
91
78
83
47
63
72
87
100
89
83
79
76
62
65
96
100
100
100

Low Clouds (% Sky Obscured)

37
37
41
83
56
57
91
78
5
47
50
68
63
66
77
66
71
70
50
44
51
62
47
31

Medium Clouds (% Sky Obscured)

45
40
40
0
29
31
23
22
30
7
5
19
66
70
89
70
65
76
62
65
65
100
100
100

High Clouds (% Sky Obscured)

23
14
70
65
0
3
11
2
2
3
37
14
2
40
55
60
41
58
32
33
90
100
84
63

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
3
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

0
0
1
4
5
20
41
58
24
2
0
0
0
2
3
1
17
40
49
95
82
14
4
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
1.1
0.5
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
90
85
81
78
74
77
80
84
87
91
91
93
90
91
91
90
85
87
85
90
83
83
82

Pressure (mb)

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

Ozone (du)

267
271
274
275
277
279
280
282
281
280
281
285
287
288
290
292
295
295
297
298
302
305
309
314

Saturday 29

Waxing Gibbous 66%

13:12

01:30

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
07 Bad

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
71
71
76
71
70
72
90
84
100
100
100
100
100
100
99
99
100
88
87
86
86
89
87

Low Clouds (% Sky Obscured)

24
35
47
60
59
57
61
73
80
93
94
96
91
95
90
91
82
81
81
75
74
68
65
63

Medium Clouds (% Sky Obscured)

100
35
40
40
45
50
53
79
73
99
90
84
76
73
66
53
51
52
20
25
42
50
47
45

High Clouds (% Sky Obscured)

45
52
71
76
71
70
72
90
82
74
49
25
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
Very Light Rain
None
None
Very Light Rain
None
None
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
23
41
57
79
95
95
95
94
95
86
82
72
76
73
43
63
77
51
73
84
79
79
78

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
80
78
75
72
74
74
78
85
86
88
90
88
86
88
86
91
91
93
93
91
93
94
93

Pressure (mb)

1006
1006
1005
1005
1004
1003
1002
1002
1001
1001
1001
1001
1001
1001
1001
1001
1002
1003
1003
1004
1005
1006
1007
1008

Ozone (du)

319
323
328
333
337
339
340
341
344
345
347
347
344
344
345
343
343
344
346
346
348
349
346
345

Sunday 30

Waxing Gibbous 77%

13:24

02:55

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
07 Bad

Sun - Rise: 07:48, Set: 15:56, Transit: 11:51. 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)

77
76
78
84
79
74
69
67
64
63
65
76
89
92
93
95
97
98
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

60
57
60
58
62
67
69
66
60
55
55
57
56
58
58
57
54
51
48
54
61
68
74
81

Medium Clouds (% Sky Obscured)

34
39
45
46
37
20
2
1
1
0
15
27
64
48
73
89
88
86
85
83
82
80
77
77

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
15
19
40
66
39
54
39
59
80
100
98
95
92
89
89

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

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
Very Light Rain
Light Rain

Precipitation Probability (%)

75
59
54
44
31
21
10
8
2
1
1
2
0
0
0
0
0
0
0
0
4
15
65
90

Precipitation Amount (mm)

0.7
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
3
2
2
1
2
2
3
3
2
3
3
2
2
2
1
2
2
2
2
2
2
2
2

Relative Humidity (%)

94
93
85
78
74
74
75
82
86
86
91
93
93
94
94
93
94
93
91
91
89
86
85
83

Pressure (mb)

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

Ozone (du)

345
349
353
348
345
340
335
331
327
325
322
320
314
311
310
309
306
302
298
293
289
285
281
277

Monday 1

Waxing Gibbous 86%

13:38

04:25

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
07 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
98
97
94
93
92
91
91
90
90
72
52

Low Clouds (% Sky Obscured)

87
91
96
100
100
100
100
95
89
85
84
83
83
83
83
82
74
66
58
58
57
57
48
38

Medium Clouds (% Sky Obscured)

77
78
79
80
86
88
94
90
85
80
56
31
11
22
29
43
63
73
80
78
77
76
59
45

High Clouds (% Sky Obscured)

91
94
97
100
100
100
100
72
40
5
36
68
99
66
33
0
0
0
0
1
2
5
9
14

ISS Passover

Visibility (miles)

9
9
8
6
4
6
8
9
9
9
9
9
9
9
7
5
3
5
7
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
Light Rain
Very Light Rain
Very Light Rain
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

95
95
81
64
59
52
40
44
63
83
81
86
94
95
95
95
95
80
63
46
32
2
3
2

Precipitation Amount (mm)

1.2
0.9
0.5
0.3
0.2
0
0
0
0.3
0.6
0.5
0.6
0.8
1.4
1.7
1.6
0.6
0.4
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
81
84
88
90
91
90
90
91
91
91
91
90
90
91
91
91
88
84
82
84
85
87
86

Pressure (mb)

1008
1008
1007
1006
1005
1004
1003
1002
1002
1001
1000
999
999
998
997
997
996
996
997
997
998
998
999
999

Ozone (du)

273
270
268
266
264
264
264
265
266
267
269
268
268
267
268
268
268
273
277
282
286
291
295
297

Tuesday 2

Waxing Gibbous 94%

13:55

06:00

08 OK
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

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)

30
52
76
98
97
97
97
87
76
66
74
82
91
94
97
100
95
89
73
71
76
78

Low Clouds (% Sky Obscured)

29
31
33
34
41
47
55
58
53
51
57
61
68
71
75
76
70
67
64
66
69
63

Medium Clouds (% Sky Obscured)

30
47
53
58
54
54
54
53
50
45
53
57
74
67
51
39
45
46
46
49
51
51

High Clouds (% Sky Obscured)

23
35
43
40
45
50
50
40
21
1
13
23
31
36
45
65
69
67
64
71
76
78

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
9
16
19
26
28
27
20
15
5
17
25
32
37
41
45
40
32
9
9
7
2

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

Wind Speed/Direction (mph)

8
8
9
10
12
12
13
13
13
12
12
12
12
12
11
12
14
13
12
13
13
14

Chance of Frost

Temperature (°C)

6
6
6
7
8
8
8
8
8
7
7
7
8
8
7
7
7
7
7
7
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
85
85
82
82
82
82
84
84
85
85
87
87
88
87
85
87
85
84
84
84
84

Pressure (mb)

1000
1000
1000
1000
1000
1000
999
999
999
999
999
999
999
999
999
999
998
999
999
999
1000
1000

Ozone (du)

300
302
304
305
307
307
307
307
309
310
312
313
315
317
317
316
316
317
318
319
321
323

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

Generated: 26/11/25 08:45:55. Forecast: 26/11/25 to 02/12/25. Timezone: UTC+0.00