Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 28

Waxing Gibbous 93%

17:05

04:22

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 OK
15 OK
16 Good
17 OK
18 OK
19 OK
20 Good
21 Good
22 Good
23 Good
00 Good
01 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)

89
88
92
95
91
100
92
92
94
92
69
64
33
14
7
16
25
23
0
0
0
0
0
5

Low Clouds (% Sky Obscured)

89
88
92
90
85
100
91
81
87
70
50
55
28
14
6
16
25
23
0
0
0
0
0
5

Medium Clouds (% Sky Obscured)

13
25
37
28
23
23
23
74
58
37
6
10
14
3
3
1
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
0
0
0
0
0
20
31
3
7
3
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
4
2
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
17
30
14
19
3
19
7
6
7
2
1
0
0
0
0
0
0
0
1
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)

10
7
8
10
11
12
13
13
14
16
16
16
18
19
19
18
18
17
16
15
15
15
15
14

Chance of Frost

Temperature (°C)

8
8
8
8
8
8
8
9
9
10
12
13
14
14
14
13
13
11
10
9
8
7
7
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
98
95
95
95
93
93
85
75
67
60
59
62
66
67
68
69
73
77
79
82
85

Pressure (mb)

1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026

Ozone (du)

445
447
448
449
447
441
431
426
425
424
421
418
416
414
410
405
401
399
398
397
396
396
396
396

Wednesday 29

Waxing Gibbous 97%

18:20

04:32

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

41
38
44
45
53
0
0
0
0
0
0
0
0
90
90
2
0
1
1
1
3
4
5
5

Low Clouds (% Sky Obscured)

41
38
44
45
53
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
0
0
0
56
62
2
0
1
1
1
3
4
5
5

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

Chance of Frost

Temperature (°C)

6
6
6
6
6
7
9
11
13
15
16
17
18
18
18
17
16
14
13
11
10
9
8
8

Feels Like (°C)

2
2
2
2
2
3
4
6
8
10
11
12
12
13
13
12
11
10
8
6
6
4
3
2

Dew Point (°C)

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

Relative Humidity (%)

86
90
91
93
93
88
80
72
64
58
55
54
55
57
59
63
63
66
67
67
71
73
73
74

Pressure (mb)

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

Ozone (du)

394
393
392
392
393
395
396
396
397
396
397
399
400
399
398
396
393
393
391
390
389
390
390
389

Thursday 30

Waxing Gibbous 99%

19:35

04:43

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 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 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)

10
13
8
1
1
1
1
1
1
2
1
1
1
1
1
0
0
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)

10
13
8
1
1
1
1
1
1
2
1
1
1
1
1
0
0
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
12
14
15
16
16
17
17
17
16
16
15
14
12
10
9
7
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
2
2
4
4
6
8
10
11
13
13
14
14
14
14
14
13
11
10
9
9
9
8

Dew Point (°C)

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

Relative Humidity (%)

73
73
72
75
79
81
74
66
59
54
50
50
51
52
53
60
63
67
76
81
82
85
85
85

Pressure (mb)

1025
1024
1024
1024
1024
1024
1024
1024
1023
1023
1022
1022
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019

Ozone (du)

389
390
390
389
388
387
387
387
387
388
389
389
387
385
383
381
378
377
377
376
374
373
373
372

Friday 1

Full Moon 100%

20:50

04:56

02 Good
03 Good
04 Good
05 OK
06 OK
07 OK
08 Bad
09 OK
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

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
14
24
33
41
43
42
40
42
57
61
83
95
96
85
85
75
68
56
73
83
95
96

Low Clouds (% Sky Obscured)

0
0
0
0
0
20
42
42
40
42
57
61
58
49
56
45
36
32
40
28
19
13
5
26

Medium Clouds (% Sky Obscured)

0
0
10
21
31
41
43
42
40
42
47
46
50
48
55
54
58
43
63
54
73
65
68
63

High Clouds (% Sky Obscured)

0
0
1
2
3
2
1
1
19
36
45
28
14
2
20
42
66
51
29
5
27
51
88
91

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
3
3
4
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
Light Rain
Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
3
10
10
30
40
55
75
71
45
52
57
52
27
4
5
15
9
14
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.4
0.4
0
0.2
0.3
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
8
8
8
9
10
12
14
16
16
16
17
18
19
19
19
19
18
16
15
13
13
12
11

Feels Like (°C)

7
7
7
7
8
10
11
14
16
16
16
17
18
18
19
18
19
19
17
14
13
12
11
10

Dew Point (°C)

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

Relative Humidity (%)

85
84
82
79
81
78
72
69
66
64
63
61
62
63
77
80
81
86
92
93
96
98
98
96

Pressure (mb)

1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1016
1016
1016
1016
1015
1016
1016
1016
1016
1016
1015

Ozone (du)

373
373
373
373
373
372
371
371
371
372
372
372
373
372
372
372
370
367
366
365
365
365
364
363

Saturday 2

Waning Gibbous 98%

22:05

05:12

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
01 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)

97
99
90
79
68
75
79
92
94
95
89
81
76
77
92
88
85
90
95
100
98
92
90
88

Low Clouds (% Sky Obscured)

50
74
72
70
68
65
62
56
53
50
45
39
34
28
26
25
24
34
44
54
50
45
41
45

Medium Clouds (% Sky Obscured)

67
61
55
40
25
15
3
25
19
37
52
43
37
35
40
47
53
48
42
38
37
36
34
35

High Clouds (% Sky Obscured)

92
78
69
45
21
30
43
72
75
77
74
54
33
14
13
12
11
22
28
42
28
16
1
1

ISS Passover

Visibility (miles)

9
9
9
9
4
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 (%)

16
22
30
53
40
9
3
0
0
0
0
6
7
5
13
15
16
16
15
7
16
19
9
8

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
11
11
11
11
12
13
14
15
16
17
17
17
17
17
16
15
14
13
12
11
11
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
96
98
96
96
93
83
79
72
65
60
59
58
57
64
70
78
83
89
95
95
96
98

Pressure (mb)

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

Ozone (du)

363
363
363
364
369
371
375
381
383
386
388
386
386
386
386
386
385
385
385
386
386
386
386
386

Sunday 3

Waning Gibbous 98%

23:16

05:34

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

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)

86
80
76
63
60
53
47
40
45
48
49
55
59
64
69
74
76
63
44
26
24
24
27
34

Low Clouds (% Sky Obscured)

48
52
50
48
48
45
40
35
42
48
49
48
41
34
40
46
52
39
27
20
23
24
27
26

Medium Clouds (% Sky Obscured)

35
37
34
30
19
9
4
0
0
0
0
1
2
3
23
42
62
53
44
26
24
17
4
7

High Clouds (% Sky Obscured)

1
1
1
0
0
0
0
0
0
0
0
0
0
0
1
1
2
7
26
26
24
24
27
23

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
7
6
6
6
6
7
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

5
1
2
2
2
4
5
2
14
17
20
28
34
40
45
54
56
49
41
33
32
28
15
14

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
9
8
8
7
6
7
8
8
9
9
10
14
14
15
14
14
14
12
12
11
11
9
8

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
98
96
96
91
85
81
75
69
65
68
72
75
78
82
86
87
90
91
93
93
96

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1014
1014

Ozone (du)

386
385
384
383
383
382
381
381
380
380
381
381
380
379
379
378
377
376
377
379
380
381
382
383

Monday 4

Waning Gibbous 95%

00:19

06:05

Sun - Rise: 05:26, Set: 20:33, Transit: 12:59. Moon - Rise: 00:19, Set: 06:05. Civil Dark: 21:12 - 04:46. Nautical Dark: 22:05 - 03:54. Astro Dark: 23:13 - 02:45

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: 28/04/26 02:12:15. Forecast: 28/04/26 to 04/05/26. Timezone: UTC+1.00