Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 30

Waxing Gibbous 62%

14:27

23:46

04 OK
05 OK
06 OK
07 Bad
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

Sun - Rise: 06:54, Set: 16:38, Transit: 11:46. Moon - Rise: 14:27, Set: 23:46. Civil Dark: 17:13 - 06:19. Nautical Dark: 17:52 - 05:39. Astro Dark: 18:31 - 05:01

Total Clouds (% Sky Obscured)

13
24
34
43
28
49
100
100
100
100
97
100
97
91
100
100
100
100
100
100
100
100
87
86

Low Clouds (% Sky Obscured)

13
24
21
0
0
0
45
43
75
81
27
32
36
27
86
86
87
79
78
92
86
73
74
77

Medium Clouds (% Sky Obscured)

13
17
13
20
28
49
33
72
91
80
90
100
65
50
93
100
96
26
93
99
100
100
18
9

High Clouds (% Sky Obscured)

11
5
6
43
28
49
100
100
100
95
45
67
84
89
100
100
100
100
100
100
100
28
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
5
3
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
Very Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
1
5
15
10
1
0
0
3
4
0
6
8
61
95
78
22
8

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
1
0.3
0
0

Wind Speed/Direction (mph)

6
5
5
5
4
5
6
7
9
10
12
12
11
11
11
12
13
16
18
18
17
15
17
15

Chance of Frost

Temperature (°C)

6
5
5
5
6
8
9
11
12
13
13
12
11
11
10
11
11
12
12
13
13
13
14
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
93
91
93
90
82
76
71
66
70
70
72
76
80
83
78
78
83
79
81
83
89
86
86

Pressure (mb)

1005
1006
1007
1007
1008
1009
1009
1009
1009
1008
1007
1007
1006
1006
1006
1005
1004
1004
1003
1002
1002
1002
1002
1002

Ozone (du)

265
263
260
257
258
257
258
256
255
257
257
259
260
259
260
261
262
264
266
266
268
272
272
275

Friday 31

Waxing Gibbous 72%

14:42

01:08

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:55, Set: 16:36, Transit: 11:46. Moon - Rise: 14:42, Set: 01:08. Civil Dark: 17:11 - 06:20. Nautical Dark: 17:51 - 05:41. Astro Dark: 18:29 - 05:02

Total Clouds (% Sky Obscured)

100
100
100
100
98
89
93
82
64
83
100
100
84
83
86
72
93
99
100
98
94
91
100
100

Low Clouds (% Sky Obscured)

72
77
94
90
95
82
87
67
64
83
51
66
70
72
66
62
58
84
89
68
68
67
66
59

Medium Clouds (% Sky Obscured)

0
0
19
16
19
78
75
75
50
31
23
21
20
16
28
20
26
21
22
73
46
83
97
100

High Clouds (% Sky Obscured)

33
100
100
100
93
60
60
50
41
0
65
65
0
0
0
23
48
65
70
0
0
2
80
93

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
0

Precipitation Type

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

Precipitation Probability (%)

13
12
28
22
23
35
47
68
75
53
45
52
67
54
43
20
30
63
87
94
89
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.5
0.2
0
0
0.4
0.2
0
0
0
0.3
0.6
0.6
0.6
0.8
0.8
2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
13
13
14
14
15
15
15
16
16
16
15
15
15
14
14
14
14
15
14
14
14
14

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
12
12
12
12
14
14
14
13
12
12
13
13
12
12
13
12
12
12
12
12

Relative Humidity (%)

90
93
93
89
89
86
84
82
90
90
86
83
82
84
87
89
87
89
89
84
84
86
86
89

Pressure (mb)

1002
1002
1002
1002
1002
1002
1002
1002
1001
1001
1000
1000
1001
1001
1001
1001
1001
1001
1001
1000
1000
1000
1000
999

Ozone (du)

278
278
281
282
282
282
281
281
283
285
287
287
287
287
287
288
287
286
285
285
287
289
289
287

Saturday 1

Waxing Gibbous 82%

14:55

02:32

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 OK
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:57, Set: 16:34, Transit: 11:46. Moon - Rise: 14:55, Set: 02:32. Civil Dark: 17:10 - 06:22. Nautical Dark: 17:49 - 05:43. Astro Dark: 18:28 - 05:04

Total Clouds (% Sky Obscured)

99
95
100
100
100
100
100
100
70
59
50
43
48
35
58
91
100
100
100
94
82
70
60
74

Low Clouds (% Sky Obscured)

70
78
72
48
0
57
56
58
49
59
50
43
48
35
46
36
30
0
0
0
12
24
32
62

Medium Clouds (% Sky Obscured)

96
95
100
100
100
100
100
100
59
10
0
0
12
6
29
29
100
100
97
94
82
70
58
74

High Clouds (% Sky Obscured)

0
0
1
35
40
16
0
25
4
0
0
0
1
2
25
84
82
100
100
85
60
31
5
5

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

95
58
59
80
65
34
50
33
13
33
23
30
47
7
0
1
1
0
0
0
0
0
2
6

Precipitation Amount (mm)

0.4
0
0
0.4
0.2
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

19
13
11
11
11
9
10
12
11
12
12
12
11
10
9
8
8
7
7
7
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
82
84
86
87
85
81
77
75
68
69
74
79
84
85
88
90
90
90
88
85
79
77
78

Pressure (mb)

999
999
999
1000
1000
1000
1001
1002
1002
1002
1003
1004
1004
1005
1006
1007
1007
1007
1007
1007
1007
1007
1007
1006

Ozone (du)

288
293
297
300
302
305
307
312
318
320
316
316
315
313
312
313
313
315
317
317
319
320
321
319

Sunday 2

Waxing Gibbous 90%

15:07

03:58

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

Sun - Rise: 06:59, Set: 16:33, Transit: 11:46. Moon - Rise: 15:07, Set: 03:58. Civil Dark: 17:08 - 06:24. Nautical Dark: 17:48 - 05:44. Astro Dark: 18:26 - 05:05

Total Clouds (% Sky Obscured)

73
85
84
75
63
62
64
63
43
33
22
16
9
19
15
16
9
18
29
50
57
65
77
85

Low Clouds (% Sky Obscured)

50
59
68
64
59
57
58
61
43
33
22
15
7
0
2
4
6
17
27
35
30
29
38
52

Medium Clouds (% Sky Obscured)

34
49
45
48
24
20
20
1
1
0
0
0
0
0
0
0
3
1
2
5
56
53
61
80

High Clouds (% Sky Obscured)

0
0
0
5
5
5
8
0
0
0
0
1
3
19
15
16
9
4
6
37
17
25
34
48

ISS Passover

Visibility (miles)

9
9
9
9
1
7
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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

9
17
43
95
95
57
20
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
6
13

Precipitation Amount (mm)

0
0
0
1.7
0.9
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
7
6
10
8
10
11
11
11
10
10
9
8
9
8
9
9
9
9
9
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
85
85
87
95
90
88
84
75
66
65
68
74
81
85
85
87
87
85
88
87
84
84
82

Pressure (mb)

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

Ozone (du)

319
319
319
321
318
317
317
319
315
312
312
316
313
305
299
296
294
293
292
287
284
283
280
279

Monday 3

Waxing Gibbous 96%

15:20

03:58

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:01, Set: 16:31, Transit: 11:46. Moon - Rise: 15:20, Set: 03:58. Civil Dark: 17:06 - 06:25. Nautical Dark: 17:46 - 05:46. Astro Dark: 18:25 - 05:07

Total Clouds (% Sky Obscured)

92
99
99
100
100
100
99
100
100
100
100
99
99
99
97
94
89
92
95
99
98
98
97
95

Low Clouds (% Sky Obscured)

64
76
73
74
74
72
71
70
73
74
77
75
74
72
71
73
76
74
72
70
75
81
86
82

Medium Clouds (% Sky Obscured)

83
91
92
94
91
90
59
81
96
64
98
72
91
66
23
14
12
14
18
21
29
37
42
34

High Clouds (% Sky Obscured)

63
75
82
91
99
96
78
87
71
80
75
78
78
79
92
86
62
63
77
93
92
91
90
65

ISS Passover

Visibility (miles)

9
9
6
4
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

21
33
47
56
25
22
8
6
8
11
12
12
13
10
20
25
24
24
23
17
18
18
17
22

Precipitation Amount (mm)

0
0
0
0.3
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
15
16
17
18
17
18
18
18
18
18
18
17
16
15
14
12
12
12
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
88
90
90
89
89
87
80
82
83
80
80
80
83
84
84
86
87
89
89
90
90
92
92

Pressure (mb)

1013
1013
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

278
277
277
277
277
277
278
278
275
276
274
272
270
269
267
267
267
267
267
267
266
267
268
269

Tuesday 4

Waxing Gibbous 99%

15:36

05:29

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:03, Set: 16:29, Transit: 11:46. Moon - Rise: 15:36, Set: 05:29. Civil Dark: 17:05 - 06:27. Nautical Dark: 17:44 - 05:47. Astro Dark: 18:23 - 05:08

Total Clouds (% Sky Obscured)

92
90
93
97
100
98
97
95
97
98
99
99
98
97
98
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

76
73
75
76
77
71
64
58
45
33
23
34
43
49
63
83
100
98
96
95
89
84
79
81

Medium Clouds (% Sky Obscured)

25
19
17
14
15
10
9
8
7
11
39
59
60
25
23
28
36
46
55
66
46
29
12
12

High Clouds (% Sky Obscured)

42
21
46
69
94
91
87
82
67
53
39
59
80
97
94
97
100
99
99
98
98
98
98
99

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 (%)

24
22
28
25
15
9
8
0
0
0
0
0
1
4
15
22
24
24
21
3
4
8
5
10

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

Chance of Frost

Temperature (°C)

13
13
13
13
14
14
14
15
15
15
15
15
14
14
13
13
13
13
13
13
13
13
13
13

Feels Like (°C)

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

Dew Point (°C)

12
12
12
11
12
12
11
12
12
12
11
11
11
11
11
11
11
11
11
11
11
11
11
11

Relative Humidity (%)

90
90
90
87
87
87
83
82
79
78
78
78
82
83
87
87
87
87
89
89
90
87
86
86

Pressure (mb)

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

Ozone (du)

269
269
269
269
268
268
267
266
265
264
263
262
260
259
257
256
254
253
252
251
250
249
248
247

Wednesday 5

Full Moon 100%

15:56

07:04

Sun - Rise: 07:04, Set: 16:28, Transit: 11:46. Moon - Rise: 15:56, Set: 07:04. Civil Dark: 17:03 - 06:29. Nautical Dark: 17:43 - 05:49. Astro Dark: 18:22 - 05:10

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: 30/10/25 04:06:14. Forecast: 30/10/25 to 05/11/25. Timezone: UTC+0.00