Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 86%

17:05

04:22

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 OK
17 Good
18 Good

Sun - Rise: 05:37, Set: 20:21, Transit: 13:00. Moon - Rise: 17:05, Set: 04:22. Civil Dark: 20:59 - 04:59. Nautical Dark: 21:48 - 04:09. Astro Dark: 22:49 - 03:08

Total Clouds (% Sky Obscured)

55
53
64
91
66
78
96
100
99
99
100
97
100
94
87
97
87
69
74
70
60
38
11
0

Low Clouds (% Sky Obscured)

55
53
51
32
55
78
96
100
96
97
100
92
100
87
84
89
70
49
50
53
51
33
11
0

Medium Clouds (% Sky Obscured)

34
53
64
86
16
1
4
21
20
38
55
52
98
63
41
91
64
16
59
39
17
7
1
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
2
2
0
0
7
7
60
54
55
55
57
60
65
32
0
0
0
0

ISS Passover

Visibility (miles)

6
9
9
8
9
9
9
3
8
9
5
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

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 (%)

95
95
28
10
3
0
0
2
10
20
7
4
9
24
3
7
1
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.4
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)

9
10
9
10
9
9
11
11
11
9
10
11
12
14
14
15
17
17
18
18
19
18
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
91
95
95
98
98
96
96
94
96
98
95
96
93
95
90
73
61
59
58
58
61
64
65

Pressure (mb)

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

Ozone (du)

419
424
430
439
441
442
442
444
445
445
441
435
429
423
423
419
419
417
414
411
409
407
406
403

Tuesday 28

Waxing Gibbous 93%

18:19

04:32

19 Good
20 Good
21 Good
22 Good
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
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

Sun - Rise: 05:35, Set: 20:23, Transit: 13:00. Moon - Rise: 18:19, Set: 04:32. Civil Dark: 21:01 - 04:56. Nautical Dark: 21:51 - 04:06. Astro Dark: 22:52 - 03:04

Total Clouds (% Sky Obscured)

0
5
0
10
23
17
22
6
18
16
5
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
11
14
6
18
16
5
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
2
0
4
8
3
7
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
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
71
73
75
78
82
85
88
90
90
93
96
88
82
72
62
57
53
50
53
55
60
62
64

Pressure (mb)

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

Ozone (du)

400
397
397
395
395
395
396
396
396
397
398
398
400
399
398
400
400
399
401
403
401
398
397
394

Wednesday 29

Waxing Gibbous 97%

No Rise

04:43

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

Sun - Rise: 05:33, Set: 20:25, Transit: 13:00. Moon - Rise: No Rise, Set: 04:43. Civil Dark: 21:03 - 04:54. Nautical Dark: 21:53 - 04:04. Astro Dark: 22:55 - 03:00

Total Clouds (% Sky Obscured)

3
10
15
15
15
8
4
1
1
1
2
1
1
1
1
1
1
1
1
2
2
2
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)

3
10
15
15
15
8
4
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
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
2
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)

18
16
14
13
13
13
13
12
12
11
11
10
11
13
15
16
17
17
17
16
16
16
15
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
69
69
69
73
77
78
79
79
82
84
87
81
77
69
60
53
51
50
50
50
52
60
63

Pressure (mb)

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

Ozone (du)

392
391
390
390
389
391
392
393
392
392
391
391
392
392
393
393
394
393
393
391
390
390
390
389

Thursday 30

Waxing Gibbous 99%

19:35

04:56

19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
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 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 05:31, Set: 20:26, Transit: 12:59. Moon - Rise: 19:35, Set: 04:56. Civil Dark: 21:05 - 04:52. Nautical Dark: 21:55 - 04:01. Astro Dark: 22:59 - 02:56

Total Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
12
32
44
47
66
86

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
16
16
4
8
9

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
14
17
15
20
46

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
19
42
66

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
2
2

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
Very Light Rain
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
28
52
63
72
78

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.5
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
12
10
9
9
9
8
8
8
7
7
8
8
11
14
16
18
20
21
22
23
23
22
21

Feels Like (°C)

13
11
9
8
8
8
7
7
7
7
7
7
8
11
13
16
18
20
21
22
22
22
22
20

Dew Point (°C)

9
9
8
7
7
6
6
6
5
5
5
5
5
7
9
10
12
13
15
15
16
18
18
18

Relative Humidity (%)

68
79
83
84
85
85
85
84
81
82
82
82
79
75
70
68
67
66
65
64
65
75
81
85

Pressure (mb)

1022
1022
1023
1023
1023
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1020
1020
1019
1019
1018
1017
1017
1017

Ozone (du)

387
385
382
379
377
377
375
375
375
375
373
372
372
372
371
372
371
370
371
372
373
372
370
367

Friday 1

Full Moon 100%

20:50

05:12

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 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: 23:03 - 02:53

Total Clouds (% Sky Obscured)

92
96
100
100
100
100
100
100
100
100
100
100
99
98
98
99
98
97
98
99
100
99
99
98

Low Clouds (% Sky Obscured)

14
28
38
54
68
81
85
94
95
71
50
25
58
62
65
59
52
46
43
40
39
40
39
37

Medium Clouds (% Sky Obscured)

68
85
85
100
100
86
86
75
70
70
76
100
85
73
62
54
46
43
58
77
87
84
77
63

High Clouds (% Sky Obscured)

81
91
100
100
100
99
100
100
100
100
100
100
93
84
84
63
39
15
38
61
86
75
62
52

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

72
36
48
95
95
95
95
95
95
95
63
7
0
0
0
7
12
15
28
39
52
59
63
69

Precipitation Amount (mm)

0.5
0
0
0.8
1.7
4.3
2.1
2.1
1.4
0.7
0.2
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

18
17
16
15
14
13
12
11
11
11
11
10
10
10
10
11
11
11
12
12
13
13
13
12

Relative Humidity (%)

91
93
95
98
95
93
95
95
93
95
96
96
96
95
90
87
83
79
75
77
78
78
82
84

Pressure (mb)

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

Ozone (du)

365
365
364
361
362
366
367
367
368
371
372
373
378
383
387
392
390
387
385
386
388
389
387
385

Saturday 2

Waning Gibbous 98%

22:05

05:34

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

Sun - Rise: 05:27, 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)

87
74
61
66
72
76
80
83
86
77
69
61
52
44
36
44
51
59
60
60
59
55
51
47

Low Clouds (% Sky Obscured)

36
33
31
43
55
67
60
47
43
47
49
49
45
39
33
38
43
48
43
42
41
34
26
19

Medium Clouds (% Sky Obscured)

45
27
13
12
10
11
22
33
52
40
24
9
13
23
30
36
36
36
27
20
10
7
8
6

High Clouds (% Sky Obscured)

41
28
13
16
17
19
17
14
12
11
7
1
1
1
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

61
45
25
23
18
5
9
8
4
5
3
0
2
2
1
27
38
48
48
46
43
38
35
32

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
13
12
11
10
9
9
9
8
8
8
8
8
10
11
13
14
14
15
15
16
16
16
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
90
93
95
95
96
96
96
96
98
96
96
96
90
84
80
79
79
79
75
73
69
73
75

Pressure (mb)

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

Ozone (du)

383
382
382
381
381
381
381
381
381
381
381
382
382
385
387
389
390
390
391
390
390
390
387
385

Sunday 3

Waning Gibbous 95%

23:16

06:05

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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 05:25, Set: 20:31, Transit: 12:59. Moon - Rise: 23:16, Set: 06:05. Civil Dark: 21:11 - 04:46. Nautical Dark: 22:03 - 03:53. Astro Dark: 23:10 - 02:45

Total Clouds (% Sky Obscured)

48
48
47
54
61
69
72
71
66
76
87
98
88
80
73
70
69
64

Low Clouds (% Sky Obscured)

14
10
5
23
36
49
54
59
62
73
84
95
86
76
67
59
49
40

Medium Clouds (% Sky Obscured)

6
6
9
9
9
11
14
15
15
14
14
15
14
18
17
21
23
28

High Clouds (% Sky Obscured)

0
0
0
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

Fog (%)

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

Precipitation Probability (%)

28
25
19
18
14
0
0
0
0
0
0
0
3
4
1
17
22
23

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
4
4
4
2
2
2
2
3
3
3
4
4
4
5
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
82
83
85
87
87
88
90
88
90
91
90
91
87
83
79
74
68

Pressure (mb)

1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015

Ozone (du)

383
383
384
385
385
386
387
386
384
383
382
381
380
379
378
378
378
378

Forecast for Newport Pagnell, Milton Keynes, United Kingdom (52.08,-0.73)

Generated: 27/04/26 19:01:38. Forecast: 27/04/26 to 03/05/26. Timezone: UTC+1.00