Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 12

Waning Crescent 30%

04:48

13:37

08 OK
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 OK
23 OK
00 Good
01 Good
02 Good
03 OK
04 OK
05 OK
06 OK
07 Good

Sun - Rise: 06:09, Set: 19:56, Transit: 13:03. Moon - Rise: 04:48, Set: 13:37. Civil Dark: 20:31 - 05:33. Nautical Dark: 21:15 - 04:49. Astro Dark: 22:04 - 03:59

Total Clouds (% Sky Obscured)

25
42
43
18
70
95
100
79
83
60
62
47
50
43
16
9
7
5
8
18
16
14
12
0

Low Clouds (% Sky Obscured)

25
42
43
0
39
44
65
74
70
44
48
36
25
4
0
0
4
0
4
14
16
14
12
0

Medium Clouds (% Sky Obscured)

0
0
32
4
13
26
44
43
62
45
41
35
50
43
16
9
7
5
8
18
3
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
5
8
3
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
8
8
7
6
8
6
5
6
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
2
80

Precipitation Type

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

Precipitation Probability (%)

0
1
23
37
49
71
67
67
67
60
31
8
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
16
16
17
16
15
16
13
14
13
11
8
7
7
6
6
6
6
5
5
4
3
3
3

Chance of Frost

Temperature (°C)

8
9
10
10
11
12
12
11
11
11
11
10
9
8
7
6
6
5
4
4
3
3
3
3

Feels Like (°C)

3
5
5
4
6
7
7
7
8
8
8
8
7
4
4
4
3
2
1
1
1
3
2
2

Dew Point (°C)

5
6
5
5
7
8
7
8
6
7
8
8
7
6
6
5
4
4
3
2
2
2
2
1

Relative Humidity (%)

82
78
69
68
77
76
72
80
71
77
81
85
90
90
91
91
91
91
91
89
91
91
91
89

Pressure (mb)

1008
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1011
1011
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

422
422
423
424
425
427
428
428
431
437
441
446
450
454
457
458
459
460
463
466
470
476
481
483

Monday 13

Waning Crescent 20%

05:00

14:57

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

Sun - Rise: 06:06, Set: 19:57, Transit: 13:03. Moon - Rise: 05:00, Set: 14:57. Civil Dark: 20:33 - 05:31. Nautical Dark: 21:17 - 04:46. Astro Dark: 22:07 - 03:56

Total Clouds (% Sky Obscured)

11
60
60
83
54
59
86
76
96
40
38
57
50
60
68
49
39
15
0
5
0
8
12
27

Low Clouds (% Sky Obscured)

0
51
50
47
40
0
35
7
31
25
33
46
12
0
9
38
39
15
0
5
0
8
12
21

Medium Clouds (% Sky Obscured)

5
10
7
23
24
36
57
76
88
40
27
25
25
32
31
18
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
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
5
8
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

2
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
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
1
5
11
25
35
37
57
63
17
9
1
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
7
8
10
10
11
12
12
10
9
9
9
8
8
6
6
5
4
4
3
3
2
2
3

Dew Point (°C)

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

Relative Humidity (%)

85
79
70
64
56
53
52
54
56
60
76
84
88
90
91
94
93
94
93
93
93
94
94
94

Pressure (mb)

1013
1014
1013
1013
1013
1013
1012
1012
1012
1012
1012
1013
1013
1014
1014
1014
1015
1015
1015
1015
1016
1016
1016
1017

Ozone (du)

484
480
477
476
475
474
475
474
472
468
459
447
437
430
427
426
426
424
418
410
401
396
393
388

Tuesday 14

Waning Crescent 12%

05:12

16:18

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
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:04, Set: 19:59, Transit: 13:03. Moon - Rise: 05:12, Set: 16:18. Civil Dark: 20:35 - 05:28. Nautical Dark: 21:19 - 04:44. Astro Dark: 22:10 - 03:53

Total Clouds (% Sky Obscured)

52
77
71
87
100
97
98
96
96
96
100
100
97
100
100
98
92
95
98
100
100
100
100
95

Low Clouds (% Sky Obscured)

19
38
38
34
50
66
53
69
93
94
100
88
79
77
90
64
58
73
85
97
91
89
83
86

Medium Clouds (% Sky Obscured)

0
39
30
33
38
36
35
48
96
96
35
23
69
66
98
93
85
90
82
59
52
47
46
41

High Clouds (% Sky Obscured)

21
39
11
63
99
18
48
5
0
4
5
53
51
100
78
74
53
66
82
100
100
100
100
68

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
4
7
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
6
10
9
3
0
0
0
0
0
1
7
11
14
16
17
16
12

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)

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

Chance of Frost

Temperature (°C)

6
8
10
12
13
14
14
14
14
13
12
11
11
11
10
11
11
11
11
11
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
87
80
71
63
62
65
71
79
80
80
83
84
88
91
95
96
98
96
91
95
96
95
95

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1016
1017
1016
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1015
1015
1015

Ozone (du)

387
387
385
383
380
374
370
367
364
362
360
359
355
352
351
350
351
350
347
344
343
343
341
340

Wednesday 15

Waning Crescent 6%

05:24

17:41

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 OK
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:02, Set: 20:01, Transit: 13:03. Moon - Rise: 05:24, Set: 17:41. Civil Dark: 20:37 - 05:26. Nautical Dark: 21:22 - 04:41. Astro Dark: 22:12 - 03:49

Total Clouds (% Sky Obscured)

91
87
86
91
93
96
98
100
84
83
99
90
46
37
46
52
62
69
74
74
72
67
69
65

Low Clouds (% Sky Obscured)

84
86
83
84
83
83
82
83
73
67
60
57
46
37
46
48
50
47
48
45
49
53
57
56

Medium Clouds (% Sky Obscured)

17
0
2
5
7
25
42
79
51
76
98
81
18
0
0
0
0
12
25
30
15
10
0
0

High Clouds (% Sky Obscured)

40
10
0
0
0
28
57
100
61
25
5
0
0
0
0
0
0
0
0
1
6
6
15
20

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
5
7
8
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
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
0
4
5
2
2
5
20
44
57
66
57
40
8
3
2
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
92
89
87
89
82
85
79
81
82
90
95
93
95
95
93
95
95
95
96
96
96
96
98

Pressure (mb)

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

Ozone (du)

339
343
355
358
359
360
358
356
357
358
360
359
363
368
368
369
371
371
372
373
374
373
371
372

Thursday 16

Waning Crescent 2%

05:37

19:08

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
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:00, Set: 20:02, Transit: 13:02. Moon - Rise: 05:37, Set: 19:08. Civil Dark: 20:39 - 05:24. Nautical Dark: 21:24 - 04:38. Astro Dark: 22:15 - 03:46

Total Clouds (% Sky Obscured)

68
66
70
73
77
85
93
100
96
91
87
94
90
87
86
87
88
84
80
76
81
86
90
93

Low Clouds (% Sky Obscured)

58
56
54
51
47
36
24
18
13
4
0
40
36
33
27
20
14
13
12
11
19
26
35
25

Medium Clouds (% Sky Obscured)

0
3
39
59
70
42
41
30
30
30
35
84
75
65
54
42
34
36
44
45
44
37
26
37

High Clouds (% Sky Obscured)

30
24
20
24
26
51
75
100
95
90
85
84
75
64
46
29
11
13
16
17
36
55
72
81

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
8
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
10
3
11
5
18
21
19
10
11
6
0
0
0
0
0
0
0
1
1
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
90
84
79
76
74
68
67
73
78
83
86
87
90
93
93
93
93
93
93
93
93
93
93

Pressure (mb)

1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019

Ozone (du)

373
375
375
375
376
378
379
378
376
376
379
379
380
381
382
382
382
383
380
378
376
374
371
369

Friday 17

New Moon 0%

05:54

20:39

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
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 05:58, Set: 20:04, Transit: 13:02. Moon - Rise: 05:54, Set: 20:39. Civil Dark: 20:40 - 05:21. Nautical Dark: 21:26 - 04:36. Astro Dark: 22:18 - 03:43

Total Clouds (% Sky Obscured)

97
100
99
97
96
86
76
62
72
85
99
98
98
98
98
99
100
97
93
89
93
94
97
97

Low Clouds (% Sky Obscured)

13
0
16
32
47
41
39
35
36
42
49
43
37
32
46
53
63
41
22
3
11
16
27
31

Medium Clouds (% Sky Obscured)

55
77
81
86
89
69
51
32
42
52
61
70
78
89
71
51
32
30
33
28
19
20
15
15

High Clouds (% Sky Obscured)

90
100
92
83
75
58
40
23
47
70
92
89
84
80
86
92
98
66
34
3
19
31
40
45

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
7
6
7
8
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
0
1
6
13
26
35
45
39
37
35
31
27
22
18
14
2
10
13
12
26
17
10
24

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
8
8
9
10
14
14
14
14
14
14
11
10
10
10
10
10
8
8
8
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

88
83
80
74
70
67
69
73
77
79
83
86
87
92
93
95
95
95
96
98
96
96
95
95

Pressure (mb)

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

Ozone (du)

369
370
371
374
377
380
382
383
385
386
387
388
389
390
391
394
397
401
404
407
410
409
408
406

Saturday 18

Waxing Crescent 2%

06:18

22:14

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: 05:56, Set: 20:06, Transit: 13:02. Moon - Rise: 06:18, Set: 22:14. Civil Dark: 20:42 - 05:19. Nautical Dark: 21:28 - 04:33. Astro Dark: 22:21 - 03:40

Total Clouds (% Sky Obscured)

95
93
89
81
76
78
86
96
96
96
96
94
86
82
79
74
74

Low Clouds (% Sky Obscured)

35
39
40
42
45
44
46
57
63
62
56
48
40
32
48
60
71

Medium Clouds (% Sky Obscured)

15
20
17
14
13
31
45
59
69
76
84
85
79
80
74
72
66

High Clouds (% Sky Obscured)

56
61
53
44
23
14
15
15
10
5
5
5
4
4
6
4
0

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

27
28
28
27
28
33
37
41
32
27
33
26
21
15
14
13
10

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
8
8
8
9
9
9
9
9
9
10
9
9
9
8
8

Relative Humidity (%)

87
80
73
72
72
72
74
76
76
79
80
83
86
90
93
93
95

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1019

Ozone (du)

402
398
393
392
391
389
390
390
390
394
398
402
408
415
422
425
427

Forecast for Loughton, Milton Keynes, United Kingdom (52.03,-0.77)

Generated: 12/04/26 08:35:25. Forecast: 12/04/26 to 18/04/26. Timezone: UTC+1.00