Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 29

Waxing Gibbous 66%

13:24

01:30

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

Sun - Rise: 07:45, Set: 15:57, Transit: 11:51. Moon - Rise: 13:24, Set: 01:30. Civil Dark: 16:36 - 07:06. Nautical Dark: 17:18 - 06:24. Astro Dark: 17:58 - 05:44

Total Clouds (% Sky Obscured)

22
29
46
51
67
77
71
75
64
76
3
0
28
0
0
0
0
0
3
21
8
20
87
71

Low Clouds (% Sky Obscured)

22
29
46
51
67
77
60
66
55
67
3
0
28
0
0
0
0
0
3
21
8
0
38
60

Medium Clouds (% Sky Obscured)

0
0
0
0
28
1
19
26
21
32
2
0
0
0
0
0
0
0
0
0
0
8
34
13

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
7

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
1
2
3
2
2
0
0
0
5
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
88
86
85
79
86
91
88
88
86
80
82
80
80
85
83
79
74
71
70
74
78
83
86

Pressure (mb)

1002
1003
1004
1004
1005
1006
1007
1008
1009
1010
1011
1012
1012
1013
1014
1015
1016
1016
1016
1016
1016
1016
1016
1017

Ozone (du)

337
343
352
357
352
345
346
346
347
339
336
339
339
341
342
341
339
335
331
326
321
314
311
308

Sunday 30

Waxing Gibbous 77%

13:38

02:55

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:47, Set: 15:57, Transit: 11:52. Moon - Rise: 13:38, Set: 02:55. Civil Dark: 16:36 - 07:08. Nautical Dark: 17:18 - 06:25. Astro Dark: 17:58 - 05:45

Total Clouds (% Sky Obscured)

67
66
75
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

51
55
46
74
58
60
75
72
72
97
93
100
100
100
100
87
95
100
100
92
100
99
87
84

Medium Clouds (% Sky Obscured)

12
7
15
40
100
100
100
100
100
88
81
37
63
75
78
72
99
98
100
89
100
71
94
48

High Clouds (% Sky Obscured)

6
9
50
64
100
100
100
100
100
100
100
48
100
85
100
100
86
100
100
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
6
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
Light Rain
Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

6
0
2
1
6
14
23
27
29
33
33
38
34
43
46
81
93
51
29
14
17
9
10
31

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
6
6
7
9
10
11
14
16
16
18
18
19
19
19
19
20
21
21
21
21
20
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
93
88
85
82
81
81
77
77
78
81
81
82
84
85
88
90
90
88
88
87
87
86

Pressure (mb)

1017
1016
1016
1016
1015
1014
1014
1013
1012
1011
1010
1009
1009
1008
1007
1007
1006
1006
1005
1004
1003
1003
1002
1002

Ozone (du)

301
295
292
289
287
285
284
282
282
281
280
279
275
273
271
269
266
266
266
264
264
264
263
263

Monday 1

Waxing Gibbous 86%

13:55

04:25

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:48, Set: 15:56, Transit: 11:52. Moon - Rise: 13:55, Set: 04:25. Civil Dark: 16:35 - 07:09. Nautical Dark: 17:17 - 06:26. Astro Dark: 17:58 - 05:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
89
58
62
67
71
71
61
58
69
86
74
69
60
63
58
55

Low Clouds (% Sky Obscured)

92
92
92
100
100
100
56
49
42
44
42
54
60
66
61
58
63
50
49
56
58
63
58
55

Medium Clouds (% Sky Obscured)

44
74
100
100
100
100
100
100
89
58
62
0
0
0
0
0
4
29
23
15
24
63
58
40

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
93
25
25
25
35
40
18
2
1
1
1
1
1
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

52
68
86
95
95
95
95
78
25
45
4
4
0
1
0
0
0
1
15
23
36
51
47
14

Precipitation Amount (mm)

0
0.2
0.3
0.9
1.2
1.4
1.2
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0

Wind Speed/Direction (mph)

21
21
21
20
20
18
17
16
16
16
17
13
13
12
8
6
6
8
8
7
6
6
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
83
81
83
84
87
88
90
90
88
88
81
81
75
85
90
87
78
74
74
76
81
87
88

Pressure (mb)

1001
1001
1001
1000
1000
999
1000
1000
1000
999
999
1000
1001
1003
1003
1004
1005
1005
1005
1005
1005
1006
1006
1007

Ozone (du)

263
264
265
265
266
268
269
271
271
274
276
280
282
285
288
288
287
287
288
288
289
291
292
296

Tuesday 2

Waxing Gibbous 94%

14:19

06:00

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
13 Bad
14 Bad
15 OK
16 OK
17 OK

Sun - Rise: 07:49, Set: 15:56, Transit: 11:52. Moon - Rise: 14:19, Set: 06:00. Civil Dark: 16:35 - 07:10. Nautical Dark: 17:17 - 06:28. Astro Dark: 17:57 - 05:47

Total Clouds (% Sky Obscured)

53
55
56
54
53
55
57
68
75
67
65
70
76
78
84
79
80
76
67
59
43
39
35
36

Low Clouds (% Sky Obscured)

50
49
51
50
50
50
38
30
22
31
43
54
60
65
75
78
78
72
63
59
40
37
33
30

Medium Clouds (% Sky Obscured)

28
16
1
4
1
9
24
25
26
20
18
16
15
7
0
1
13
2
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
1
0
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
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 (%)

9
7
2
1
2
3
2
3
4
3
4
4
7
9
4
9
6
2
4
13
8
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
87
87
87
90
91
93
93
91
91
91
93
93
91
93
88
81
78
77
79
85
88
91

Pressure (mb)

1007
1007
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009

Ozone (du)

298
302
303
304
305
305
306
307
307
306
305
303
305
312
320
329
333
330
324
325
317
307
304
306

Wednesday 3

Waxing Gibbous 98%

14:54

07:35

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:51, Set: 15:55, Transit: 11:53. Moon - Rise: 14:54, Set: 07:35. Civil Dark: 16:34 - 07:11. Nautical Dark: 17:17 - 06:29. Astro Dark: 17:57 - 05:48

Total Clouds (% Sky Obscured)

54
58
70
78
88
100
100
100
100
95
90
86
98
99
100
100
99
98
99
99
100
100
100
96

Low Clouds (% Sky Obscured)

26
19
14
22
31
39
49
62
72
73
73
74
68
71
74
75
77
78
85
91
97
90
87
80

Medium Clouds (% Sky Obscured)

0
0
0
20
40
96
71
69
32
26
21
31
79
84
84
88
93
97
86
75
64
49
33
22

High Clouds (% Sky Obscured)

25
37
57
73
87
100
100
100
100
88
74
60
93
97
100
94
88
81
84
87
91
75
57
35

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

Precipitation Probability (%)

0
0
0
0
2
1
0
0
0
0
0
2
31
45
57
55
47
30
24
20
15
14
14
12

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
4
4
4
4
5
5
7
9
10
10
10
11
11
11
11
10
10
10
10
10
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
94
93
91
89
91
89
86
86
86
86
85
87
87
87
85
84
82
82
84
82
85
88

Pressure (mb)

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

Ozone (du)

307
306
306
305
306
307
308
308
309
309
311
310
309
310
312
313
317
321
325
328
331
335
340
346

Thursday 4

Full Moon 100%

15:47

09:02

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:52, Set: 15:55, Transit: 11:53. Moon - Rise: 15:47, Set: 09:02. Civil Dark: 16:34 - 07:12. Nautical Dark: 17:17 - 06:30. Astro Dark: 17:57 - 05:49

Total Clouds (% Sky Obscured)

93
91
88
77
68
54
55
59
63
71
78
86
81
77
74
73
73
75
77
81
82
85
91
94

Low Clouds (% Sky Obscured)

68
59
51
45
42
40
42
51
54
62
67
68
68
70
68
70
71
73
76
79
81
83
84
85

Medium Clouds (% Sky Obscured)

24
28
35
23
12
0
0
0
0
3
5
15
40
66
74
73
73
75
77
80
75
80
90
90

High Clouds (% Sky Obscured)

37
44
51
34
18
0
0
0
0
0
4
14
38
44
50
50
45
45
38
41
44
49
50
72

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
7
7
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
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain

Precipitation Probability (%)

11
10
6
6
5
0
0
0
0
0
0
0
0
0
0
0
1
0
13
24
34
49
57
62

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
0.2
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
90
90
89
86
86
88
88
88
86
86
86
85
82
81
79
78
77
79
82
85
87
88

Pressure (mb)

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

Ozone (du)

351
354
357
359
361
363
365
360
355
351
345
339
333
329
326
322
316
310
304
302
301
300
303
306

Friday 5

Waning Gibbous 98%

16:59

10:10

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

Sun - Rise: 07:53, Set: 15:54, Transit: 11:54. Moon - Rise: 16:59, Set: 10:10. Civil Dark: 16:34 - 07:14. Nautical Dark: 17:16 - 06:31. Astro Dark: 17:57 - 05:50

Total Clouds (% Sky Obscured)

96
98
100
94
89
84
88
91
98
96
96
93
95
97
100
100
100
100

Low Clouds (% Sky Obscured)

73
62
55
56
55
53
65
77
83
74
70
72
73
76
84
79
75
55

Medium Clouds (% Sky Obscured)

90
90
95
80
61
47
52
61
72
72
71
65
72
78
85
90
95
100

High Clouds (% Sky Obscured)

81
89
100
82
63
45
46
34
16
14
11
9
39
71
99
96
94
94

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

58
55
52
44
33
15
30
39
47
45
45
47
49
47
40
36
33
30

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
5
6
6
5
5
4
4
5
5
4
5
5
5
4
4
5
5

Relative Humidity (%)

88
87
87
85
84
82
82
84
84
84
85
87
90
87
84
82
82
82

Pressure (mb)

1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1009
1009
1010
1010
1010
1011

Ozone (du)

310
310
311
312
311
310
309
308
306
304
308
311
314
313
312
311
311
311

Forecast for Bray Court, Windsor and Maidenhead, United Kingdom (51.50,-0.70)

Generated: 29/11/25 18:03:17. Forecast: 29/11/25 to 05/12/25. Timezone: UTC+0.00