Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 12

Waning Crescent 16%

03:29

16:36

21 OK
22 OK
23 OK
00 OK
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

Sun - Rise: 05:10, Set: 20:47, Transit: 12:59. Moon - Rise: 03:29, Set: 16:36. Civil Dark: 21:27 - 04:29. Nautical Dark: 22:24 - 03:31. Astro Dark: 23:49 - 02:04

Total Clouds (% Sky Obscured)

29
20
28
29
77
88
70
42
89
78
86
90
78
86
97
92
100
88
78
96
88
60
82
65

Low Clouds (% Sky Obscured)

0
20
27
0
72
65
41
30
47
54
62
65
60
68
66
68
62
72
59
59
71
60
54
65

Medium Clouds (% Sky Obscured)

27
1
0
18
31
44
31
15
31
13
18
65
64
70
91
79
100
82
75
92
59
4
28
37

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
0
0
0
1
8
10
3
9
33
26
58
61
66
75
69
78
75
77
75
66
51
54
28

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
82
90
93
90
93
88
90
94
81
65
70
82
77
73
77
70
81
76
77
80
83
83
87

Pressure (mb)

1011
1011
1011
1010
1009
1008
1007
1006
1005
1005
1004
1004
1003
1003
1002
1002
1001
1001
1001
1001
1001
1001
1001
1002

Ozone (du)

412
409
406
404
405
406
409
413
415
418
423
426
429
433
438
441
443
439
433
430
431
437
434
432

Wednesday 13

Waning Crescent 9%

03:41

18:04

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
20 Bad

Sun - Rise: 05:09, Set: 20:49, Transit: 12:59. Moon - Rise: 03:41, Set: 18:04. Civil Dark: 21:29 - 04:27. Nautical Dark: 22:27 - 03:29. Astro Dark: 23:54 - 01:58

Total Clouds (% Sky Obscured)

55
47
71
89
81
81
90
94
96
97
81
67
52
67
69
73
76
68
100
100
98
87
46
75

Low Clouds (% Sky Obscured)

47
33
53
79
70
70
63
77
73
89
68
65
49
39
38
38
44
48
45
56
48
54
45
56

Medium Clouds (% Sky Obscured)

48
47
68
77
52
57
87
69
94
89
61
33
35
65
36
39
58
49
88
100
96
82
40
61

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
2

ISS Passover

Visibility (miles)

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

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None

Precipitation Probability (%)

25
14
1
3
3
4
4
10
4
4
3
11
15
29
45
59
68
71
77
76
75
78
74
36

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
94
94
96
96
96
98
98
98
94
85
80
71
62
58
56
57
57
59
66
75
82
84

Pressure (mb)

1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1001
1001
1001
1001
1001
1001
1001
1002
1002

Ozone (du)

432
434
434
435
437
437
437
434
431
431
432
430
428
427
429
433
435
434
435
434
432
429
428
429

Thursday 14

Waning Crescent 3%

03:56

19:37

21 Bad
22 Good
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
20 Bad

Sun - Rise: 05:07, Set: 20:51, Transit: 12:59. Moon - Rise: 03:56, Set: 19:37. Civil Dark: 21:31 - 04:25. Nautical Dark: 22:29 - 03:27. Astro Dark: 00:00 - 01:52

Total Clouds (% Sky Obscured)

37
10
93
100
96
99
100
100
100
100
100
98
100
100
77
92
75
81
83
100
76
73
66
57

Low Clouds (% Sky Obscured)

37
7
52
71
44
53
33
39
38
21
31
61
61
55
55
45
29
35
28
9
36
21
29
37

Medium Clouds (% Sky Obscured)

6
2
21
57
87
97
100
100
100
97
100
97
100
88
77
71
25
24
68
70
31
38
31
29

High Clouds (% Sky Obscured)

2
2
58
100
82
92
100
100
52
98
51
64
100
60
34
50
50
13
2
1
2
1
1
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

10
2
0
2
0
0
0
0
0
0
0
1
27
48
51
54
54
51
48
38
31
26
11
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
4
3
2
2
1
1
1
2
2
3
5
6
7
8
8
9
10
10
10
9
10
8

Dew Point (°C)

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

Relative Humidity (%)

91
94
94
94
94
94
94
93
94
94
91
85
78
69
69
73
76
72
66
62
61
58
66
73

Pressure (mb)

1003
1004
1005
1005
1005
1005
1006
1006
1006
1006
1007
1007
1008
1008
1008
1008
1008
1008
1008
1007
1007
1008
1008
1009

Ozone (du)

430
430
426
424
423
422
421
420
419
418
417
416
417
415
414
413
413
413
415
416
418
418
419
420

Friday 15

Waning Crescent 0%

04:17

No Set

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

Sun - Rise: 05:06, Set: 20:52, Transit: 12:59. Moon - Rise: 04:17, Set: No Set. Civil Dark: 21:33 - 04:23. Nautical Dark: 22:31 - 03:24. Astro Dark: 00:06 - 01:45

Total Clouds (% Sky Obscured)

69
76
80
83
67
59
53
42
33
14
28
35
43
51
40
80
98
96
88
97
84
81
83
87

Low Clouds (% Sky Obscured)

56
63
68
72
59
56
53
38
23
6
20
35
43
51
40
54
45
39
35
45
38
27
28
46

Medium Clouds (% Sky Obscured)

23
23
22
23
15
8
0
0
0
0
1
1
2
16
30
49
47
50
48
55
52
54
47
46

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 (%)

1
2
2
0
0
1
2
0
0
1
2
4
3
13
15
14
17
14
3
4
4
5
7
11

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

Chance of Frost

Temperature (°C)

7
6
6
6
6
4
4
4
4
4
5
7
9
11
12
12
13
13
13
14
13
13
13
11

Feels Like (°C)

6
4
4
3
4
3
3
3
2
2
3
5
7
9
10
11
11
9
10
11
10
11
13
10

Dew Point (°C)

4
2
2
1
1
2
1
1
1
2
2
3
4
4
4
3
4
5
5
4
5
5
7
7

Relative Humidity (%)

78
75
71
71
72
82
83
79
80
83
80
75
69
63
57
54
55
60
56
51
57
56
68
76

Pressure (mb)

1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1011

Ozone (du)

421
421
422
423
423
422
418
416
414
414
411
408
406
405
403
401
400
400
398
395
393
392
391
391

Saturday 16

New Moon 1%

04:47

21:13

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
20 Bad

Sun - Rise: 05:04, Set: 20:54, Transit: 12:59. Moon - Rise: 04:47, Set: 21:13. Civil Dark: 21:35 - 04:22. Nautical Dark: 22:34 - 03:22. Astro Dark: 00:13 - 01:37

Total Clouds (% Sky Obscured)

89
92
92
95
97
97
95
85
92
93
91
89
89
84
83
95
94
96
98
93
89
84
86
89

Low Clouds (% Sky Obscured)

56
52
45
41
48
48
53
53
57
60
61
62
62
63
68
71
80
88
96
82
67
53
54
55

Medium Clouds (% Sky Obscured)

35
29
39
44
53
54
59
61
82
88
81
76
79
64
65
65
55
56
63
70
76
81
79
76

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
1
1
2
2
6
38
58
74
49
25
1
4
8
11
28
42

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
4
3
5
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None

Precipitation Probability (%)

3
1
2
0
1
4
7
12
13
13
14
13
8
33
46
61
95
95
90
87
80
69
51
31

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.7
0.6
0.6
0.5
0.4
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
9
8
8
7
8
8
7
6
7
8
10
11
13
14
15
15
15
15
15
14
13
13
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
84
87
91
91
88
90
90
93
90
84
80
75
69
62
62
67
73
76
80
82
83
83
87

Pressure (mb)

1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013

Ozone (du)

391
392
391
392
393
394
393
393
394
393
393
393
396
400
401
406
404
406
407
409
409
409
409
409

Sunday 17

Waxing Crescent 5%

05:32

22:43

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
20 Bad

Sun - Rise: 05:03, Set: 20:55, Transit: 12:59. Moon - Rise: 05:32, Set: 22:43. Civil Dark: 21:36 - 04:20. Nautical Dark: 22:36 - 03:19. Astro Dark: 00:21 - 01:27

Total Clouds (% Sky Obscured)

92
95
97
99
81
62
46
61
79
90
91
92
91
91
93
97
97
97
98
99
99
100
100
100

Low Clouds (% Sky Obscured)

56
43
31
18
19
20
21
33
45
58
61
63
66
60
54
49
50
52
54
44
34
24
30
36

Medium Clouds (% Sky Obscured)

73
61
50
39
45
46
43
52
61
67
52
37
25
22
23
32
44
60
68
75
83
90
90
89

High Clouds (% Sky Obscured)

53
50
44
39
37
28
23
17
16
21
18
13
9
8
6
5
23
41
61
74
86
100
99
98

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
7
8
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 (%)

4
4
2
0
0
0
0
2
3
1
9
12
10
24
29
34
34
28
20
23
24
24
20
15

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
93
95
95
96
96
96
96
96
96
95
87
80
72
69
64
60
62
65
66
70
74
78
79

Pressure (mb)

1013
1014
1014
1015
1015
1015
1015
1015
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018

Ozone (du)

410
411
412
413
414
414
414
413
407
400
394
392
391
389
387
385
383
381
379
378
377
376
375
374

Monday 18

Waxing Crescent 12%

06:37

23:58

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: 05:02, Set: 20:56, Transit: 12:59. Moon - Rise: 06:37, Set: 23:58. Civil Dark: 21:38 - 04:18. Nautical Dark: 22:39 - 03:17. Astro Dark: 00:31 - 01:10

Total Clouds (% Sky Obscured)

100
98
96
94
96
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

41
54
67
81
76
69
62
58
55
52
54
57
62
67
74
79
80
81
81
81
80
81

Medium Clouds (% Sky Obscured)

88
89
90
92
95
97
100
98
96
95
96
97
99
99
100
100
100
100
100
99
99
99

High Clouds (% Sky Obscured)

97
80
69
64
59
54
53
66
84
100
99
97
96
97
98
100
100
100
100
98
96
92

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
6
4
6
7

Fog (%)

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

8
19
24
29
29
27
29
30
28
23
19
17
14
22
26
30
48
63
78
85
84
80

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
84
85
87
88
90
88
88
87
85
84
84
84
83
82
80
79
83
89
92
93
93

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

373
372
371
370
369
367
366
365
364
364
363
362
360
358
357
356
356
359
362
366
369
373

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

Generated: 12/05/26 21:10:13. Forecast: 12/05/26 to 18/05/26. Timezone: UTC+1.00