Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 1

Full Moon 100%

20:50

05:12

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

Sun - Rise: 05:29, Set: 20:28, Transit: 12:59. Moon - Rise: 20:50, Set: 05:12. Civil Dark: 21:07 - 04:50. Nautical Dark: 21:58 - 03:59. Astro Dark: 23:02 - 02:53

Total Clouds (% Sky Obscured)

48
67
72
42
31
20
58
100
100
100
100
99
86
63
83
64
44
100
91
100
100
100
100
100

Low Clouds (% Sky Obscured)

48
67
66
42
30
13
3
0
0
0
0
0
0
5
23
5
0
6
25
36
35
43
61
39

Medium Clouds (% Sky Obscured)

2
2
5
6
7
7
0
0
50
47
75
99
86
63
74
19
15
81
36
43
94
100
100
100

High Clouds (% Sky Obscured)

2
6
5
9
11
18
58
99
100
100
100
83
64
57
20
5
44
100
89
100
100
100
100
91

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
4

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
Light Rain
Light Rain

Precipitation Probability (%)

3
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
41
87
95

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
0.8
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
16
14
14
12
11
10
9
8
8
8
9
10
12
14
16
17
19
19
20
20
20
19
17

Feels Like (°C)

18
16
14
13
12
10
9
7
6
6
6
7
9
10
13
14
17
17
17
19
20
20
19
16

Dew Point (°C)

17
15
13
12
11
10
9
8
7
7
7
7
8
9
10
10
10
11
11
12
13
13
13
13

Relative Humidity (%)

95
95
93
92
92
93
90
91
91
91
91
88
84
80
74
67
62
60
59
60
61
62
67
78

Pressure (mb)

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

Ozone (du)

363
362
363
366
365
364
365
367
367
367
370
374
376
378
378
378
379
379
378
377
374
374
372
371

Saturday 2

Waning Gibbous 98%

22:05

05:34

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 05:28, Set: 20:30, Transit: 12:59. Moon - Rise: 22:05, Set: 05:34. Civil Dark: 21:09 - 04:48. Nautical Dark: 22:00 - 03:56. Astro Dark: 23:06 - 02:49

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
98
100
98
100
96
90
81
82
83
88
86
88
96
90
90

Low Clouds (% Sky Obscured)

40
76
77
100
98
90
98
100
97
94
89
82
78
72
78
64
61
63
71
75
82
96
88
85

Medium Clouds (% Sky Obscured)

100
100
100
100
87
100
100
61
64
30
43
31
32
24
24
31
35
39
48
38
38
40
38
34

High Clouds (% Sky Obscured)

65
100
100
100
97
100
71
100
96
30
99
40
50
36
2
1
1
2
5
2
2
2
2
1

ISS Passover

Visibility (miles)

3
3
9
9
7
8
9
6
0
3
8
4
9
9
9
9
9
9
9
9
9
9
6
8

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

Precipitation Probability (%)

95
95
95
95
95
77
74
64
40
43
53
47
33
36
43
32
42
54
54
54
58
62
58
41

Precipitation Amount (mm)

0.9
0.7
1.7
0.8
0.6
0.3
0.4
0.3
0
0
0.3
0.2
0
0
0.2
0
0
0.2
0.2
0.2
0.3
0.3
0.3
0

Wind Speed/Direction (mph)

6
5
3
5
7
8
8
7
7
6
6
8
10
11
13
13
13
13
12
9
8
9
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
95
95
96
96
98
98
98
98
98
96
96
96
95
95
89
83
72
69
77
77
71
78
83

Pressure (mb)

1011
1011
1011
1010
1009
1009
1008
1007
1006
1006
1006
1006
1007
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1009

Ozone (du)

370
372
373
372
371
372
376
381
387
391
390
387
385
383
383
384
385
386
386
386
386
387
388
388

Sunday 3

Waning Gibbous 95%

23:16

06:05

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 05:26, Set: 20:31, Transit: 12:59. Moon - Rise: 23:16, Set: 06:05. Civil Dark: 21:11 - 04:46. Nautical Dark: 22:02 - 03:54. Astro Dark: 23:10 - 02:45

Total Clouds (% Sky Obscured)

95
86
94
98
99
97
95
100
99
99
98
98
99
100
98
91
78
75
77
76
80
83
85
85

Low Clouds (% Sky Obscured)

95
86
94
94
95
92
95
100
98
94
96
97
99
100
94
82
77
70
62
60
57
55
51
60

Medium Clouds (% Sky Obscured)

38
37
33
33
39
35
37
30
24
24
24
25
21
26
20
16
0
7
15
23
28
33
42
44

High Clouds (% Sky Obscured)

2
0
0
16
29
27
5
2
1
0
0
0
0
0
0
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
6
4
4
2
2
2
2
2
2
2
2
2
2
2
2
2

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 (%)

22
6
5
5
7
7
6
5
7
7
12
8
7
6
16
6
8
4
6
4
21
12
21
7

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)

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

Chance of Frost

Temperature (°C)

11
11
10
10
10
10
9
9
9
9
9
9
10
10
11
11
12
14
14
15
15
15
15
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
95
96
96
96
96
98
96
96
96
95
96
93
88
87
86
80
75
73
70
70
70
75
80

Pressure (mb)

1010
1010
1011
1011
1012
1012
1012
1012
1012
1013
1013
1013
1014
1014
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

388
389
388
388
389
389
390
392
393
391
390
388
386
385
385
384
383
383
384
385
386
385
384
384

Monday 4

Waning Gibbous 90%

00:19

06:47

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 05:24, Set: 20:33, Transit: 12:59. Moon - Rise: 00:19, Set: 06:47. Civil Dark: 21:12 - 04:44. Nautical Dark: 22:05 - 03:51. Astro Dark: 23:13 - 02:41

Total Clouds (% Sky Obscured)

90
93
90
88
85
86
90
94
93
93
88
79
67
58
63
75
92
92
89
88
89
90
91
91

Low Clouds (% Sky Obscured)

73
84
80
77
74
73
73
74
64
52
42
42
44
50
52
57
67
70
67
65
69
75
81
66

Medium Clouds (% Sky Obscured)

50
50
45
41
36
32
28
20
23
25
32
21
12
0
16
30
45
38
35
26
20
27
31
40

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
1
2
1
1
2
9
25

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 (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

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 (%)

2
11
3
1
1
1
1
0
0
0
0
0
0
0
0
1
0
5
10
3
3
2
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)

4
4
4
4
5
5
5
5
5
5
5
5
6
7
8
8
8
8
9
11
13
12
10
9

Chance of Frost

Temperature (°C)

13
12
12
11
11
10
9
9
8
8
8
8
9
11
12
13
14
14
13
13
12
11
11
10

Feels Like (°C)

12
11
10
9
8
7
7
6
5
5
5
5
6
8
9
11
12
12
11
10
9
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

83
87
87
87
85
84
81
75
70
67
68
74
74
72
67
63
60
61
70
72
70
71
73
77

Pressure (mb)

1014
1014
1015
1015
1015
1015
1015
1014
1015
1015
1014
1014
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1015

Ozone (du)

386
389
390
389
388
387
385
384
383
382
382
382
382
384
385
384
385
385
384
383
382
380
379
378

Tuesday 5

Waning Gibbous 83%

01:10

07:42

20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 OK
06 OK
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

Sun - Rise: 05:22, Set: 20:35, Transit: 12:59. Moon - Rise: 01:10, Set: 07:42. Civil Dark: 21:14 - 04:42. Nautical Dark: 22:07 - 03:49. Astro Dark: 23:17 - 02:37

Total Clouds (% Sky Obscured)

93
95
97
98
100
81
66
58
54
43
40
84
73
52
54
67
84
89
94
98
98
98
98
98

Low Clouds (% Sky Obscured)

48
33
23
15
5
5
0
5
5
0
0
6
12
18
26
35
44
38
33
30
33
34
32
36

Medium Clouds (% Sky Obscured)

43
50
45
47
45
45
35
28
21
13
5
24
12
5
12
18
28
36
50
58
70
79
87
82

High Clouds (% Sky Obscured)

39
46
62
81
100
63
42
25
25
25
25
52
37
13
12
14
17
33
50
70
56
45
37
56

ISS Passover

Visibility (miles)

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

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

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
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

2
0
2
3
0
0
0
0
0
0
0
5
7
3
18
28
37
44
51
57
61
63
64
62

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
8
8
7
6
6
6
5
5
5
5
5
7
9
10
11
12
13
13
13
13
13
12
12

Feels Like (°C)

8
6
5
4
4
4
4
3
3
3
3
3
5
5
5
7
7
8
12
12
13
12
12
12

Dew Point (°C)

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

Relative Humidity (%)

81
88
91
93
91
88
90
91
93
94
94
88
81
74
69
67
65
63
65
68
71
75
80
86

Pressure (mb)

1015
1015
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1013
1013
1013
1013

Ozone (du)

380
381
382
382
383
384
385
387
388
389
390
391
392
392
393
392
392
391
391
391
391
390
390
389

Wednesday 6

Waning Gibbous 75%

01:49

08:48

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 05:20, Set: 20:36, Transit: 12:59. Moon - Rise: 01:49, Set: 08:48. Civil Dark: 21:16 - 04:40. Nautical Dark: 22:10 - 03:46. Astro Dark: 23:21 - 02:33

Total Clouds (% Sky Obscured)

99
100
96
93
90
89
88
86
89
94
99
100
100
100
99
98
97
95
95
96
98
99
100
100

Low Clouds (% Sky Obscured)

42
47
53
59
64
59
54
48
57
65
72
76
78
80
80
80
80
88
88
89
76
61
49
47

Medium Clouds (% Sky Obscured)

75
70
79
87
90
89
88
82
80
78
73
67
51
45
35
30
31
30
35
30
20
20
15
15

High Clouds (% Sky Obscured)

76
97
73
45
19
16
13
10
37
58
77
70
71
73
71
69
63
45
36
28
47
65
82
86

ISS Passover

Visibility (miles)

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

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

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

Precipitation Probability (%)

60
58
57
52
41
36
30
18
18
17
15
25
33
40
47
51
63
61
60
62
61
56
46
36

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
95
95
95
93
94
94
96
94
94
94
90
85
81
76
69
66
63
58
55
60
66
73

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

392
396
399
402
405
409
407
405
403
400
397
395
392
390
388
389
391
392
392
392
392
391
391
390

Thursday 7

Waning Gibbous 66%

02:17

10:01

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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 05:19, Set: 20:38, Transit: 12:59. Moon - Rise: 02:17, Set: 10:01. Civil Dark: 21:18 - 04:38. Nautical Dark: 22:12 - 03:44. Astro Dark: 23:26 - 02:28

Total Clouds (% Sky Obscured)

100
100
100
100
100
86
85
93
94
94
94
90
74
65
74
84
100

Low Clouds (% Sky Obscured)

45
44
50
51
51
52
53
60
71
78
81
86
74
65
74
74
69

Medium Clouds (% Sky Obscured)

15
20
21
22
28
22
11
0
0
0
0
0
0
0
13
27
45

High Clouds (% Sky Obscured)

87
87
62
35
7
3
2
0
0
0
0
0
0
0
2
5
25

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

28
21
18
15
10
10
8
0
1
2
2
4
4
1
16
22
27

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
80
82
85
88
90
91
93
94
93
91
90
85
84
80
78
75

Pressure (mb)

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

Ozone (du)

391
391
392
390
388
386
382
379
375
375
374
373
372
370
369
369
368

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

Generated: 01/05/26 20:02:30. Forecast: 01/05/26 to 07/05/26. Timezone: UTC+1.00