Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 27

Waning Gibbous 98%

18:43

No Set

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
08 Bad

Sun - Rise: 06:59, Set: 18:49, Transit: 12:53. Moon - Rise: 18:43, Set: No Set. Civil Dark: 19:22 - 06:26. Nautical Dark: 20:01 - 05:47. Astro Dark: 20:41 - 05:07

Total Clouds (% Sky Obscured)

59
61
72
100
100
100
100
100
100
99
100
98
100
95
92
96
97
95
98
100
100
100
100
100

Low Clouds (% Sky Obscured)

59
61
66
58
83
48
90
68
74
83
35
13
0
22
28
22
14
6
19
20
20
20
22
15

Medium Clouds (% Sky Obscured)

17
37
37
100
100
100
97
94
100
97
88
61
59
60
45
60
92
54
90
100
100
100
94
71

High Clouds (% Sky Obscured)

6
14
72
98
97
79
47
71
100
86
97
55
57
60
55
58
41
74
76
98
100
100
100
100

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 (%)

1
23
95
31
37
21
14
5
24
29
22
1
0
0
0
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)

6
9
12
15
14
14
14
14
13
12
9
9
7
6
5
5
4
3
3
3
3
2
3
3

Chance of Frost

Temperature (°C)

16
19
21
20
20
19
19
19
19
18
18
17
16
15
14
13
13
12
12
12
11
11
11
11

Feels Like (°C)

14
17
18
17
16
16
16
15
16
16
16
15
14
14
12
12
11
11
11
11
10
10
9
9

Dew Point (°C)

14
14
15
13
12
11
11
11
14
15
15
15
14
14
13
12
11
11
11
11
10
9
8
7

Relative Humidity (%)

86
75
68
62
58
59
59
62
73
83
85
86
89
93
93
92
87
93
93
93
93
86
83
78

Pressure (mb)

1015
1014
1013
1013
1013
1012
1012
1012
1012
1012
1012
1013
1014
1015
1016
1017
1017
1018
1018
1019
1019
1019
1020
1020

Ozone (du)

292
293
293
293
293
291
292
292
291
293
293
292
291
290
291
291
291
292
293
292
290
292
294
295

Monday 28

Waning Gibbous 93%

18:59

09:18

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
08 Bad

Sun - Rise: 07:01, Set: 18:47, Transit: 12:53. Moon - Rise: 18:59, Set: 09:18. Civil Dark: 19:20 - 06:28. Nautical Dark: 19:59 - 05:49. Astro Dark: 20:39 - 05:09

Total Clouds (% Sky Obscured)

100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
98
85
93
96
100
100
97
97

Low Clouds (% Sky Obscured)

4
0
0
0
15
7
2
0
5
43
13
15
68
73
80
67
92
78
86
84
87
94
83
91

Medium Clouds (% Sky Obscured)

88
97
100
99
99
100
65
77
68
60
59
50
55
65
73
76
45
46
40
29
24
34
28
27

High Clouds (% Sky Obscured)

100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
55
55
55
50
45
48
3
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
6
9
9
9
9
9
9
8
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
3
3
4
12
21
41
56
61
44
44
14
4
25
46
48
54
53
29
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.3
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
15
16
17
18
18
18
19
18
18
16
14
14
13
14
14
14
14
14
15
15
15
16
16

Feels Like (°C)

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

Dew Point (°C)

8
8
7
7
7
6
6
6
7
10
10
12
12
12
13
13
13
13
14
14
14
15
14
15

Relative Humidity (%)

71
63
56
51
47
44
43
43
46
61
69
83
90
93
92
93
93
93
96
96
93
95
92
90

Pressure (mb)

1020
1021
1021
1021
1021
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1017
1017
1016
1016
1016
1016

Ozone (du)

297
297
298
300
300
301
303
303
303
302
305
306
306
307
308
308
316
320
317
306
302
301
299
299

Tuesday 29

Waning Gibbous 86%

19:20

10:45

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
08 Bad

Sun - Rise: 07:02, Set: 18:44, Transit: 12:52. Moon - Rise: 19:20, Set: 10:45. Civil Dark: 19:17 - 06:29. Nautical Dark: 19:56 - 05:50. Astro Dark: 20:36 - 05:10

Total Clouds (% Sky Obscured)

96
97
92
53
47
100
100
100
83
63
75
73
64
88
58
95
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

88
93
69
49
41
33
31
23
3
3
2
17
17
15
19
0
2
35
46
76
77
72
83
87

Medium Clouds (% Sky Obscured)

27
17
21
6
7
7
14
15
20
16
12
11
49
75
58
70
32
66
96
100
100
92
46
97

High Clouds (% Sky Obscured)

3
2
9
1
5
100
100
100
64
36
62
46
44
78
49
79
100
100
100
100
72
100
100
100

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
Very Light Rain
None
None

Precipitation Probability (%)

29
3
0
0
0
0
1
0
0
0
0
0
0
0
1
9
0
3
33
52
55
55
44
53

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
18
20
22
23
24
25
25
23
22
21
20
19
19
19
19
19
19
20
20
19
19
19
19

Feels Like (°C)

15
16
19
21
23
24
23
22
22
21
20
18
17
17
17
17
17
17
17
17
16
17
16
16

Dew Point (°C)

15
16
17
18
18
17
17
18
18
19
18
18
17
17
16
15
15
15
16
16
17
17
17
17

Relative Humidity (%)

90
86
84
79
71
63
60
65
71
80
86
88
89
85
81
77
78
77
78
81
85
89
86
88

Pressure (mb)

1016
1016
1015
1015
1014
1013
1013
1012
1012
1012
1012
1012
1011
1011
1010
1010
1009
1009
1008
1008
1008
1008
1008
1009

Ozone (du)

299
299
299
299
297
295
292
289
288
286
284
283
282
281
280
278
278
277
278
278
279
279
280
281

Wednesday 30

Waning Gibbous 76%

19:49

12:13

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

Sun - Rise: 07:04, Set: 18:42, Transit: 12:52. Moon - Rise: 19:49, Set: 12:13. Civil Dark: 19:15 - 06:31. Nautical Dark: 19:54 - 05:52. Astro Dark: 20:34 - 05:12

Total Clouds (% Sky Obscured)

100
86
71
60
30
47
63
22
18
18
13
8
38
10
18
28
33
38
44
54
61
48
48
46

Low Clouds (% Sky Obscured)

92
82
71
60
23
23
53
20
16
16
12
7
0
9
16
21
24
23
28
31
33
33
31
30

Medium Clouds (% Sky Obscured)

56
28
32
28
0
33
63
1
0
3
3
3
38
3
3
3
7
11
13
29
39
23
23
27

High Clouds (% Sky Obscured)

100
43
20
0
2
0
0
0
0
0
0
0
0
1
1
2
1
1
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
8
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

Very Light Rain
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 (%)

57
55
47
18
18
7
0
1
4
0
0
0
0
0
1
1
5
5
8
5
6
1
2
2

Precipitation Amount (mm)

0.2
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)

14
13
11
12
13
17
18
16
15
13
11
10
8
7
6
5
4
4
5
5
5
5
6
6

Chance of Frost

Temperature (°C)

19
19
20
21
21
22
22
21
20
19
18
17
16
15
14
14
13
13
13
13
13
13
13
14

Feels Like (°C)

17
18
18
19
19
19
17
17
17
17
16
15
15
13
14
14
14
14
13
14
13
13
13
14

Dew Point (°C)

17
17
16
17
17
13
11
11
10
10
10
11
12
12
13
13
13
13
13
13
13
13
12
12

Relative Humidity (%)

88
88
76
77
75
58
49
52
52
55
60
69
78
86
90
93
95
95
95
96
96
96
95
92

Pressure (mb)

1009
1010
1010
1011
1012
1012
1012
1013
1013
1014
1015
1016
1016
1017
1017
1018
1018
1018
1019
1019
1019
1020
1021
1021

Ozone (du)

281
282
282
283
285
286
288
290
292
292
294
297
296
295
296
298
299
302
305
309
310
311
309
302

Thursday 1

Waning Gibbous 66%

20:32

13:37

09 Bad
10 Bad
11 OK
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 OK
07 OK
08 OK

Sun - Rise: 07:06, Set: 18:40, Transit: 12:52. Moon - Rise: 20:32, Set: 13:37. Civil Dark: 19:13 - 06:32. Nautical Dark: 19:52 - 05:54. Astro Dark: 20:31 - 05:14

Total Clouds (% Sky Obscured)

56
68
37
75
78
82
83
89
94
100
95
90
84
87
91
97
83
70
57
47
34
26
26
29

Low Clouds (% Sky Obscured)

28
24
22
20
16
17
20
13
6
0
2
5
8
9
11
12
16
19
18
14
15
16
15
14

Medium Clouds (% Sky Obscured)

31
21
12
0
0
0
0
0
0
0
40
13
15
17
17
20
13
7
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
20
3
55
60
65
70
87
94
100
90
77
55
56
63
75
59
48
42
37
22
7
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 (%)

1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
4
1
7
13
1
2
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
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
16
17
18
19
20
20
20
19
18
16
15
14
13
13
13
13
13
13
13
13
13
13
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
65
53
46
44
43
42
43
48
55
66
74
82
86
89
90
89
87
89
87
90
90
90
82

Pressure (mb)

1022
1023
1023
1023
1023
1023
1023
1023
1024
1024
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1027
1027
1027

Ozone (du)

301
300
297
295
294
294
294
295
295
295
296
296
296
296
298
300
300
302
303
304
305
306
307
306

Friday 2

Waning Gibbous 54%

21:33

14:47

09 OK
10 OK
11 OK
12 OK
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
08 Bad

Sun - Rise: 07:07, Set: 18:37, Transit: 12:51. Moon - Rise: 21:33, Set: 14:47. Civil Dark: 19:11 - 06:34. Nautical Dark: 19:49 - 05:55. Astro Dark: 20:29 - 05:16

Total Clouds (% Sky Obscured)

28
32
40
47
59
75
90
93
97
100
92
85
81
91
94
93
94
94
95
82
69
60
70
80

Low Clouds (% Sky Obscured)

13
15
17
19
38
59
82
85
87
85
77
69
57
43
31
19
22
29
39
42
35
32
30
27

Medium Clouds (% Sky Obscured)

0
0
0
0
1
3
7
6
3
0
7
17
35
45
45
45
50
50
50
31
19
8
5
2

High Clouds (% Sky Obscured)

8
11
18
26
22
19
16
15
15
19
24
53
62
87
88
89
90
74
71
55
38
16
38
60

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
1
2
0
2
4
0
1
2
1
1
2
0
0
0
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)

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

Chance of Frost

Temperature (°C)

16
17
18
19
20
21
21
21
20
19
18
17
16
15
14
14
13
13
13
13
12
12
12
14

Feels Like (°C)

13
13
13
14
15
20
20
19
19
19
18
15
15
15
15
14
14
12
13
13
13
13
13
12

Dew Point (°C)

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

Relative Humidity (%)

74
66
60
54
49
50
51
53
54
53
53
56
58
61
63
65
69
70
72
75
76
77
79
70

Pressure (mb)

1028
1028
1028
1028
1028
1028
1028
1028
1028
1029
1029
1029
1030
1030
1030
1030
1030
1029
1029
1029
1028
1028
1028
1028

Ozone (du)

305
304
302
301
300
300
301
301
300
299
298
297
297
297
296
295
295
294
294
293
293
294
294
294

Saturday 3

Third Quarter 42%

22:49

15:39

09 Bad
10 Bad
11 Bad
12 OK
13 OK
14 OK
15 OK
16 OK
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

Sun - Rise: 07:09, Set: 18:35, Transit: 12:51. Moon - Rise: 22:49, Set: 15:39. Civil Dark: 19:08 - 06:36. Nautical Dark: 19:47 - 05:57. Astro Dark: 20:27 - 05:18

Total Clouds (% Sky Obscured)

90
70
51
31
29
24
21
32
49
63
62
66
70
71
72
65
66
70
75
70
66
64

Low Clouds (% Sky Obscured)

23
13
11
9
8
6
6
6
6
6
9
10
14
12
13
13
20
26
29
34
39
42

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
1
2
5
7
13
11
8
8
13
14
20
25
29
29

High Clouds (% Sky Obscured)

82
59
36
13
12
11
9
27
45
63
62
60
58
53
48
39
46
56
66
53
41
23

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

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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
6

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)

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

Chance of Frost

Temperature (°C)

15
17
18
19
21
21
21
22
20
19
17
16
15
14
13
13
12
11
11
10
10
10

Feels Like (°C)

13
13
14
14
15
23
22
21
22
22
22
15
16
15
15
14
14
12
11
11
11
10

Dew Point (°C)

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

Relative Humidity (%)

62
57
52
49
46
43
41
39
45
51
58
63
68
73
72
72
71
73
73
76
76
78

Pressure (mb)

1028
1028
1027
1026
1026
1025
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1022
1022
1022

Ozone (du)

294
294
294
294
294
294
295
295
296
297
297
298
299
301
301
302
303
304
305
306
308
310

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

Generated: 27/09/26 09:35:37. Forecast: 27/09/26 to 03/10/26. Timezone: UTC+1.00