Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 86%

15:49

04:11

01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 OK
10 Bad
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

Sun - Rise: 05:39, Set: 20:21, Transit: 13:00. Moon - Rise: 15:49, Set: 04:11. Civil Dark: 20:59 - 05:01. Nautical Dark: 21:48 - 04:12. Astro Dark: 22:48 - 03:12

Total Clouds (% Sky Obscured)

65
71
79
73
59
73
74
69
41
57
44
15
53
94
53
71
86
78
63
97
93
59
76
95

Low Clouds (% Sky Obscured)

0
4
4
0
0
0
0
0
0
0
0
15
32
13
0
0
36
32
54
56
42
52
76
95

Medium Clouds (% Sky Obscured)

65
71
79
73
59
56
49
34
23
37
31
2
25
84
26
16
14
14
26
89
62
18
4
2

High Clouds (% Sky Obscured)

47
67
55
15
3
3
2
2
6
0
2
0
9
4
32
50
1
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

6
7
4
0
0
0
0
0
0
1
6
26
58
64
66
66
68
76
59
18
42
16
6
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.3
0.3
0.3
0.4
0.3
0
0.3
0
0
0

Wind Speed/Direction (mph)

3
2
2
2
2
1
1
1
2
3
2
4
5
7
9
10
10
12
12
12
10
9
8
10

Chance of Frost

Temperature (°C)

9
8
8
8
8
8
8
10
13
15
17
18
19
19
19
19
20
18
16
13
11
11
10
9

Feels Like (°C)

7
6
6
6
7
6
8
10
13
15
17
18
20
19
17
17
17
17
14
11
9
8
8
8

Dew Point (°C)

5
5
4
4
4
4
5
5
7
9
10
11
12
13
14
14
16
15
15
12
10
10
9
9

Relative Humidity (%)

78
81
77
75
74
77
78
71
67
66
66
64
63
67
72
72
80
82
90
93
93
95
96
96

Pressure (mb)

1025
1025
1025
1025
1025
1024
1025
1025
1025
1025
1025
1024
1024
1023
1023
1022
1022
1022
1022
1023
1024
1024
1025
1025

Ozone (du)

368
371
373
373
374
374
374
375
379
383
384
392
389
387
389
390
400
412
420
425
425
430
435
437

Tuesday 28

Waxing Gibbous 93%

17:05

04:22

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
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good

Sun - Rise: 05:37, Set: 20:23, Transit: 13:00. Moon - Rise: 17:05, Set: 04:22. Civil Dark: 21:01 - 04:59. Nautical Dark: 21:51 - 04:09. Astro Dark: 22:52 - 03:08

Total Clouds (% Sky Obscured)

100
100
98
100
94
100
98
98
100
95
76
91
78
55
40
34
26
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

100
100
95
96
80
100
89
92
92
91
63
89
67
55
40
32
26
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

6
20
59
45
30
29
51
65
66
8
13
47
23
0
0
3
2
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
3
1
0
0
0
1
23
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
8
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 (%)

6
23
22
30
30
19
11
20
8
2
3
3
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)

11
12
9
9
11
14
13
14
15
15
17
16
16
17
18
18
17
17
16
15
14
14
14
14

Chance of Frost

Temperature (°C)

9
9
9
9
9
8
8
8
8
9
11
12
12
13
14
14
14
14
12
11
9
8
7
7

Feels Like (°C)

6
5
6
6
5
4
4
4
4
5
6
7
7
8
9
10
11
10
9
7
5
4
3
3

Dew Point (°C)

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

Relative Humidity (%)

95
93
96
96
96
95
96
93
91
88
81
77
64
59
55
57
64
70
75
78
80
84
85
87

Pressure (mb)

1025
1025
1024
1024
1024
1025
1025
1026
1026
1026
1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026

Ozone (du)

439
438
438
437
436
437
433
428
425
421
418
416
412
409
407
405
403
403
401
400
400
400
398
396

Wednesday 29

Waxing Gibbous 97%

18:20

04:32

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

Sun - Rise: 05:35, Set: 20:25, Transit: 13:00. Moon - Rise: 18:20, Set: 04:32. Civil Dark: 21:03 - 04:57. Nautical Dark: 21:53 - 04:07. Astro Dark: 22:55 - 03:05

Total Clouds (% Sky Obscured)

10
7
28
18
15
0
0
0
0
0
1
15
15
15
15
15
20
15
9
28
24
28
20
4

Low Clouds (% Sky Obscured)

10
7
28
18
15
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium 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
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
15
15
15
15
15
20
15
9
23
13
16
13
2

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
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

6
6
6
6
6
6
7
9
11
13
15
16
16
17
16
16
15
14
13
12
10
9
8
8

Feels Like (°C)

3
3
2
2
2
2
3
4
6
8
9
11
10
10
10
9
9
8
7
6
5
4
3
3

Dew Point (°C)

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

Relative Humidity (%)

87
88
88
86
88
90
85
78
73
65
59
57
56
57
58
58
61
63
66
67
66
69
71
74

Pressure (mb)

1026
1026
1026
1025
1025
1025
1026
1026
1025
1025
1025
1024
1024
1024
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024

Ozone (du)

394
392
391
390
390
391
392
392
391
390
389
385
383
381
378
377
377
377
377
377
378
377
377
378

Thursday 30

Waxing Gibbous 99%

19:35

04:43

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

Sun - Rise: 05:33, Set: 20:26, Transit: 13:00. Moon - Rise: 19:35, Set: 04:43. Civil Dark: 21:05 - 04:55. Nautical Dark: 21:55 - 04:04. Astro Dark: 22:59 - 03:01

Total Clouds (% Sky Obscured)

11
20
19
15
6
3
3
10
24
19
4
3
2
2
2
1
1
0
0
0
0
0
0
0

Low 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
0
0

Medium 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
0
0

High Clouds (% Sky Obscured)

11
10
10
7
2
1
1
3
7
7
2
2
2
2
2
1
1
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
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
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)

13
12
12
11
11
10
11
12
14
16
16
16
17
17
16
16
15
14
13
10
8
7
7
6

Chance of Frost

Temperature (°C)

8
8
8
7
7
7
8
10
12
14
15
17
18
18
18
18
17
16
15
13
11
10
9
9

Feels Like (°C)

4
3
2
3
3
4
5
7
8
9
11
12
14
14
14
14
14
13
13
12
10
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

73
73
75
77
78
81
82
77
70
63
57
55
53
52
51
54
60
65
68
76
83
82
82
82

Pressure (mb)

1024
1024
1023
1023
1023
1023
1024
1024
1024
1023
1023
1023
1022
1022
1022
1022
1021
1021
1021
1021
1022
1022
1022
1022

Ozone (du)

378
378
380
382
383
385
387
388
386
383
382
381
380
380
379
379
378
377
376
374
375
376
377
377

Friday 1

Full Moon 100%

20:50

04:56

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

Sun - Rise: 05:31, Set: 20:28, Transit: 13:00. Moon - Rise: 20:50, Set: 04:56. Civil Dark: 21:07 - 04:52. Nautical Dark: 21:58 - 04:01. Astro Dark: 23:02 - 02:57

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
4
8
9
11
15
16
11
9
7
38
66
94
96
98
100
100
96
97

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
19
38
58
58
58
58

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
4
7
9
11
13
14
8
5
2
13
26
43
36
30
28
29
29
30

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
2
4
3
3
3
2
1
0
17
27
45
45
51
51

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
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
7
6
16
26
35
58
76
75

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
8
8
7
7
8
8
11
13
16
17
19
21
21
22
23
22
21
20
18
17
15
15
14

Feels Like (°C)

8
7
7
7
6
6
8
10
12
15
17
19
21
21
22
22
22
22
22
20
20
20
19
17

Dew Point (°C)

6
6
6
5
5
5
5
6
7
9
10
11
12
13
13
14
15
15
16
15
15
14
14
13

Relative Humidity (%)

84
87
87
87
85
82
81
72
65
63
60
57
56
57
57
58
64
69
76
82
87
95
95
93

Pressure (mb)

1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1019
1018
1018
1018
1018
1017
1018
1018
1018
1018
1018

Ozone (du)

377
376
375
374
373
375
376
376
376
376
376
376
377
378
379
380
379
378
376
372
368
363
363
363

Saturday 2

Waning Gibbous 100%

22:05

05:12

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 05:29, Set: 20:30, Transit: 12:59. Moon - Rise: 22:05, Set: 05:12. Civil Dark: 21:09 - 04:50. Nautical Dark: 22:00 - 03:59. Astro Dark: 23:06 - 02:53

Total Clouds (% Sky Obscured)

98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
84
72
61
64
63
60

Low Clouds (% Sky Obscured)

58
57
57
57
56
53
43
32
22
14
7
0
16
32
48
57
67
76
68
62
50
50
50
52

Medium Clouds (% Sky Obscured)

36
42
55
55
55
40
25
21
22
18
19
29
35
50
55
63
71
80
58
34
12
8
4
1

High Clouds (% Sky Obscured)

52
63
68
85
95
100
100
100
100
100
100
100
100
100
100
100
100
100
67
34
2
18
41
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

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
None
None
None

Precipitation Probability (%)

66
60
46
25
8
0
0
0
2
11
19
27
35
39
44
43
39
38
38
35
18
13
6
0

Precipitation Amount (mm)

0.3
0.3
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)

5
5
5
5
6
6
6
6
7
7
7
6
6
7
7
7
7
6
6
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
90
90
89
89
90
83
78
73
69
64
61
60
60
60
65
70
75
80
84
89
90
91

Pressure (mb)

1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1014
1014

Ozone (du)

363
362
362
361
363
365
367
367
368
369
371
373
375
376
377
379
379
380
380
381
381
381
382
382

Sunday 3

Waning Gibbous 98%

23:16

05:34

Sun - Rise: 05:28, Set: 20:31, Transit: 12:59. Moon - Rise: 23:16, Set: 05:34. Civil Dark: 21:11 - 04:48. Nautical Dark: 22:02 - 03:56. Astro Dark: 23:10 - 02:49

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 Milton Keynes, Milton Keynes, United Kingdom (52.04,-0.76)

Generated: 27/04/26 01:58:05. Forecast: 27/04/26 to 03/05/26. Timezone: UTC+1.00