Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 5

Waning Gibbous 98%

15:47

09:02

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 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 - 05:50

Total Clouds (% Sky Obscured)

39
50
49
66
98
95
100
100
100
100
99
91
100
100
95
77
87
76
80
100
100
100
100
100

Low Clouds (% Sky Obscured)

31
10
33
26
32
37
46
31
37
62
77
82
100
100
88
68
66
72
70
70
55
100
61
58

Medium Clouds (% Sky Obscured)

39
50
49
66
98
95
100
100
100
100
98
91
90
32
17
12
14
72
73
100
100
100
100
100

High Clouds (% Sky Obscured)

39
50
49
64
38
45
70
99
54
63
68
60
65
0
0
0
12
2
0
47
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
4
3
4
5
9
9
9
9
9
9
9
9
8

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
1
1
1
2
46
95
95
95
95
70
45
52
60
29
15
36
46
47
31

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.7
0.8
1.9
0.8
0.3
0
0.2
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
4
4
5
6
9
12
14
16
16
18
21
21
23
21
16
15
14
13
14
15
16
17
17

Chance of Frost

Temperature (°C)

0
1
2
3
4
6
7
8
8
8
8
7
7
8
8
9
9
10
10
10
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
88
86
88
82
78
75
78
75
71
77
87
90
91
93
85
85
87
85
82
82
82
81
85

Pressure (mb)

1007
1007
1007
1007
1007
1006
1005
1004
1002
1001
1000
999
997
995
994
994
993
993
993
993
993
992
992
993

Ozone (du)

339
331
327
325
324
318
313
308
301
294
292
293
293
296
297
299
300
299
298
296
291
290
290
290

Saturday 6

Waning Gibbous 93%

16:59

10:10

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 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 - 05:51

Total Clouds (% Sky Obscured)

91
88
100
100
100
90
89
92
91
86
88
85
73
95
70
97
77
99
100
100
100
100
100
95

Low Clouds (% Sky Obscured)

61
60
55
59
68
62
74
85
78
76
79
75
60
52
37
23
30
43
33
36
28
55
71
75

Medium Clouds (% Sky Obscured)

35
66
100
69
100
86
87
78
90
66
58
67
73
4
0
0
0
0
0
39
56
78
84
78

High Clouds (% Sky Obscured)

29
82
100
74
100
82
40
40
35
1
1
2
0
45
26
61
39
87
100
100
100
100
100
68

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 (%)

4
5
7
23
25
29
31
28
23
22
11
17
12
5
17
0
1
0
0
0
0
1
3
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)

17
17
16
16
17
19
19
20
20
19
19
19
18
18
18
16
16
14
12
11
9
8
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
78
78
81
84
81
80
81
80
79
78
78
78
77
76
77
79
81
84
87
93
93
94
94

Pressure (mb)

993
994
994
995
995
995
996
996
997
998
998
999
1000
1001
1002
1002
1003
1003
1004
1004
1005
1005
1005
1004

Ozone (du)

288
286
287
284
281
279
280
281
281
282
284
286
289
291
292
291
289
290
292
291
287
286
286
285

Sunday 7

Waning Gibbous 86%

18:25

10:56

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
23 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 07:54, Set: 15:54, Transit: 11:54. Moon - Rise: 18:25, Set: 10:56. Civil Dark: 16:34 - 07:15. Nautical Dark: 17:16 - 06:32. Astro Dark: 17:57 - 05:52

Total Clouds (% Sky Obscured)

100
99
100
100
100
100
100
100
100
100
100
97
100
100
100
81
74
41
45
49
60
65
65
67

Low Clouds (% Sky Obscured)

89
97
100
77
95
100
89
83
91
83
74
79
88
92
77
73
55
32
33
40
41
42
50
60

Medium Clouds (% Sky Obscured)

89
73
95
92
100
99
100
100
100
100
99
96
24
24
30
15
15
7
5
3
0
0
0
0

High Clouds (% Sky Obscured)

100
52
80
100
100
100
100
100
100
97
81
44
100
100
23
1
0
2
6
3
5
7
10
12

ISS Passover

Visibility (miles)

9
9
6
4
2
3
2
3
4
5
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
Light Rain
Light Rain
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
None

Precipitation Probability (%)

9
29
75
95
95
95
95
95
95
70
49
28
4
1
26
26
11
2
1
0
0
0
1
0

Precipitation Amount (mm)

0
0
0.6
0.9
1.2
1.1
0.9
0.9
0.8
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
5
6
9
11
12
11
12
15
15
16
17
16
18
18
17
15
13
13
11
10
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
7
8
9
10
10
11
11
12
12
12
13
12
12
11
10
9
9
8
8
8
8
8
9

Relative Humidity (%)

93
95
96
98
96
96
96
96
95
93
93
95
93
92
86
81
79
83
85
85
91
93
93
95

Pressure (mb)

1004
1004
1003
1003
1002
1001
1000
999
998
998
997
997
997
998
999
1000
1001
1003
1003
1004
1005
1005
1005
1006

Ozone (du)

285
287
286
286
285
285
287
289
290
290
293
295
301
304
306
305
304
304
303
301
301
302
305
307

Monday 8

Waning Gibbous 77%

19:54

11:26

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 07:55, Set: 15:54, Transit: 11:55. Moon - Rise: 19:54, Set: 11:26. Civil Dark: 16:33 - 07:16. Nautical Dark: 17:16 - 06:33. Astro Dark: 17:57 - 05:53

Total Clouds (% Sky Obscured)

77
89
100
100
100
100
100
99
99
96
94
90
93
97
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

58
58
55
52
51
51
51
55
55
53
49
59
60
69
68
69
70
73
74
75
79
81
83
85

Medium Clouds (% Sky Obscured)

0
0
0
5
8
11
27
86
80
34
31
37
26
35
89
92
96
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

42
71
100
100
100
100
93
85
78
70
65
60
77
89
100
100
100
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
7
4
5
6
7
4
8
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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

2
2
1
1
1
2
2
8
11
19
26
24
23
19
21
47
65
60
62
93
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.2
0.2
0.6
0.8
1
0.8
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
11
11
11
12
12
13
13
12
12
12
12
11
11
11
11
12
12
11
12
12
12
12
12

Feels Like (°C)

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

Dew Point (°C)

9
10
9
9
10
10
10
10
11
11
11
11
10
10
10
11
11
11
10
11
10
11
11
11

Relative Humidity (%)

93
93
87
86
87
87
83
86
89
92
93
93
92
93
93
96
95
93
93
93
92
93
92
92

Pressure (mb)

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

Ozone (du)

312
321
328
329
332
336
338
338
339
335
334
332
332
328
327
324
319
315
313
311
309
304
297
297

Tuesday 9

Waning Gibbous 67%

21:19

11:47

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 07:56, Set: 15:54, Transit: 11:55. Moon - Rise: 21:19, Set: 11:47. Civil Dark: 16:33 - 07:17. Nautical Dark: 17:16 - 06:34. Astro Dark: 17:57 - 05:54

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
99
99
98
97
90
81
73
62
52
43
43
43
44

Low Clouds (% Sky Obscured)

85
86
87
87
88
88
92
96
100
91
81
72
89
79
68
69
70
71
62
52
43
43
40
35

Medium Clouds (% Sky Obscured)

99
98
97
96
95
93
83
86
67
73
66
62
91
88
84
84
81
73
62
52
43
43
39
30

High Clouds (% Sky Obscured)

100
100
100
100
100
100
94
88
83
87
89
93
70
39
8
6
4
3
2
1
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

95
95
95
95
95
95
95
85
63
65
61
27
34
36
40
39
41
41
40
32
7
16
17
0

Precipitation Amount (mm)

0.6
0.9
1.1
1
0.8
0.8
0.6
0.5
0.3
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
18
18
19
20
19
20
19
20
20
20
20
19
20
20
20
19
18
17
15
13
12
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
92
92
92
90
90
90
89
83
82
87
79
79
78
79
77
77
77
80
83
87
84
82

Pressure (mb)

1004
1003
1003
1002
1002
1002
1002
1001
1001
1000
1000
1001
1001
998
999
999
1000
1001
1002
1003
1003
1004
1004
1003

Ozone (du)

296
293
290
291
289
287
286
285
283
282
282
281
281
280
279
278
279
280
281
281
282
282
283
284

Wednesday 10

Waning Gibbous 57%

22:39

12:02

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 OK
23 Good
00 OK
01 OK
02 OK
03 OK
04 OK
05 Bad

Sun - Rise: 07:57, Set: 15:53, Transit: 11:55. Moon - Rise: 22:39, Set: 12:02. Civil Dark: 16:33 - 07:18. Nautical Dark: 17:16 - 06:35. Astro Dark: 17:57 - 05:55

Total Clouds (% Sky Obscured)

53
61
70
68
64
63
62
60
57
58
57
57
57
58
56
44
27
7
14
21
27
37
42
44

Low Clouds (% Sky Obscured)

47
60
70
68
64
63
62
59
54
54
55
53
57
58
56
44
27
7
14
20
27
36
42
44

Medium Clouds (% Sky Obscured)

23
14
4
3
2
2
6
10
11
7
4
1
1
1
0
0
0
0
1
3
4
4
4
3

High Clouds (% Sky Obscured)

3
5
5
7
6
3
0
0
0
0
0
0
0
0
0
1
1
2
6
12
18
16
15
13

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 (%)

13
23
33
34
33
26
22
14
3
6
4
2
3
2
0
1
1
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)

11
12
12
13
12
14
20
17
14
13
13
11
11
10
10
9
8
7
6
6
5
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
82
87
91
88
84
81
80
78
78
80
82
87
88
90
93
93
93
91
94
94
96
96
96

Pressure (mb)

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

Ozone (du)

285
286
288
289
290
291
291
299
307
314
313
312
311
311
310
310
309
308
306
305
304
302
301
300

Thursday 11

Third Quarter 54%

23:54

12:14

Sun - Rise: 07:58, Set: 15:53, Transit: 11:56. Moon - Rise: 23:54, Set: 12:14. Civil Dark: 16:33 - 07:19. Nautical Dark: 17:16 - 06:36. Astro Dark: 17:57 - 05:56

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

Generated: 05/12/25 06:04:48. Forecast: 05/12/25 to 11/12/25. Timezone: UTC+0.00