Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 13

Waning Crescent 9%

03:58

No Set

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 05:30, Set: 20:56, Transit: 13:14. Moon - Rise: 03:58, Set: No Set. Civil Dark: 21:36 - 04:50. Nautical Dark: 22:29 - 03:56. Astro Dark: 23:42 - 02:41

Total Clouds (% Sky Obscured)

82
91
83
92
79
86
98
94
91
86
91
69
89
98
98
99
98
100
100
100
98
98
91
79

Low Clouds (% Sky Obscured)

37
42
57
86
66
75
97
89
91
86
85
69
85
72
68
79
91
98
94
87
75
80
77
71

Medium Clouds (% Sky Obscured)

42
50
51
30
27
28
4
35
0
0
10
0
0
29
66
53
90
98
100
85
96
95
71
45

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
3
5
24
17
21
82
71
60
44
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

6
16
7
64
62
55
51
42
47
31
28
25
20
34
45
40
58
71
72
63
57
55
49
35

Precipitation Amount (mm)

0
0.3
0.3
0.4
0.3
0.2
0.2
0
0.2
0
0
0
0
0
0
0
0.2
0.4
0.5
0.3
0.2
0.2
0
0

Wind Speed/Direction (mph)

22
21
19
17
16
15
16
15
15
16
17
17
17
17
17
19
20
19
20
19
19
18
20
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
78
78
81
82
85
88
88
88
87
85
85
82
82
82
79
72
67
72
74
74
75
72
72

Pressure (mb)

1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1007
1007
1007
1007
1007
1007
1007
1006
1006
1006
1006
1005
1005
1005

Ozone (du)

423
421
419
418
421
425
429
431
433
434
429
430
428
426
421
417
414
413
416
418
423
426
428
429

Thursday 14

Waning Crescent 3%

04:16

18:16

18 Bad
19 Bad
20 Bad
21 Bad
22 OK
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 OK
16 OK
17 OK

Sun - Rise: 05:28, Set: 20:58, Transit: 13:14. Moon - Rise: 04:16, Set: 18:16. Civil Dark: 21:38 - 04:48. Nautical Dark: 22:31 - 03:54. Astro Dark: 23:46 - 02:37

Total Clouds (% Sky Obscured)

75
41
48
39
37
30
40
41
61
59
72
61
69
62
69
64
66
93
97
60
49
39
23
34

Low Clouds (% Sky Obscured)

73
41
48
39
37
30
40
41
61
59
72
61
69
62
69
64
64
58
71
60
46
39
23
34

Medium Clouds (% Sky Obscured)

31
1
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
2
2
2
2
0
0
3
30
34
0
3
32
23
3

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 (%)

25
9
5
13
4
5
4
2
2
3
4
5
5
8
18
6
4
4
4
2
2
2
10
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
18
16
14
12
11
10
10
10
10
10
11
11
11
14
15
15
14
15
16
16
16
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
78
78
81
87
90
91
93
94
93
91
93
93
91
84
74
69
64
58
57
56
56
57
61

Pressure (mb)

1005
1005
1005
1006
1006
1007
1007
1007
1008
1008
1008
1008
1009
1009
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

425
429
432
434
434
431
422
415
411
409
409
409
410
410
410
410
410
410
412
413
413
407
407
401

Friday 15

Waning Crescent 0%

04:38

19:46

18 OK
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

Sun - Rise: 05:27, Set: 20:59, Transit: 13:14. Moon - Rise: 04:38, Set: 19:46. Civil Dark: 21:39 - 04:46. Nautical Dark: 22:33 - 03:52. Astro Dark: 23:50 - 02:33

Total Clouds (% Sky Obscured)

20
73
77
77
90
72
72
73
77
74
90
97
97
99
98
99
99
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

7
12
27
29
43
32
44
63
63
74
86
75
67
72
83
74
72
99
100
100
100
100
100
99

Medium Clouds (% Sky Obscured)

7
32
36
44
62
52
44
46
66
58
48
88
91
98
94
95
89
86
93
88
90
93
91
94

High Clouds (% Sky Obscured)

6
9
12
25
27
2
1
0
2
3
2
0
0
0
0
45
50
52
59
60
68
86
33
15

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
1
4
4
4
5
12
16
10
8
20
30
41
24
20
24
39
33
32
36
38
45

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)

16
14
12
9
7
6
5
4
4
3
3
2
2
3
4
7
7
9
10
11
11
12
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
68
73
76
79
86
88
88
88
88
86
83
85
81
74
69
65
62
63
70
67
73
78
83

Pressure (mb)

1012
1012
1012
1012
1013
1013
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

397
395
393
394
393
392
391
390
389
389
388
388
387
386
387
388
388
389
389
389
387
387
392
393

Saturday 16

New Moon 1%

05:11

21:19

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 05:25, Set: 21:00, Transit: 13:14. Moon - Rise: 05:11, Set: 21:19. Civil Dark: 21:41 - 04:45. Nautical Dark: 22:36 - 03:50. Astro Dark: 23:54 - 02:29

Total Clouds (% Sky Obscured)

100
87
74
64
72
79
88
92
96
100
100
100
100
100
100
100
100
100
100
78
100
91
99
100

Low Clouds (% Sky Obscured)

99
82
65
49
56
59
61
67
71
73
69
62
54
41
59
67
71
74
60
55
63
74
77
74

Medium Clouds (% Sky Obscured)

92
69
49
0
11
64
78
84
92
100
98
51
100
100
100
100
100
100
100
69
100
62
49
100

High Clouds (% Sky Obscured)

0
0
1
7
10
35
35
60
85
100
98
100
100
100
100
100
92
74
65
0
0
0
1
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

41
35
34
36
33
27
11
28
34
31
31
29
13
16
33
34
33
35
34
39
50
63
57
55

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
10
9
8
7
8
8
7
8
6
6
6
6
5
7
10
12
11
11
12
12
13
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
96
96
96
96
96
96
96
93
95
96
93
90
91
87
85
85
82
84
67
58
67
74
77

Pressure (mb)

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

Ozone (du)

395
402
404
397
396
396
396
397
398
401
407
412
413
416
419
421
427
431
437
438
434
430
429
430

Sunday 17

Waxing Crescent 5%

05:58

22:48

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 05:24, Set: 21:02, Transit: 13:14. Moon - Rise: 05:58, Set: 22:48. Civil Dark: 21:42 - 04:43. Nautical Dark: 22:38 - 03:48. Astro Dark: 23:58 - 02:25

Total Clouds (% Sky Obscured)

100
89
100
100
100
100
100
100
100
100
96
97
87
89
93
97
97
98
99
99
99
99
99
100

Low Clouds (% Sky Obscured)

64
53
50
73
72
72
74
73
74
70
66
61
54
61
68
77
78
78
79
71
63
42
52
53

Medium Clouds (% Sky Obscured)

85
87
100
100
99
98
98
98
99
100
64
52
40
24
39
50
62
75
89
91
93
95
94
94

High Clouds (% Sky Obscured)

0
0
0
0
23
1
11
12
1
0
0
0
0
66
76
85
86
87
90
92
93
92
92
95

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

53
46
47
49
64
65
67
79
79
71
68
58
45
44
44
37
41
44
48
49
49
50
49
51

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
91
93
93
96
98
96
96
96
96
94
96
96
96
90
87
83
85
87
90
91
93
93
93

Pressure (mb)

1010
1010
1010
1010
1010
1009
1009
1008
1008
1008
1008
1008
1007
1008
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013

Ozone (du)

431
432
431
432
433
435
437
436
438
439
424
416
412
417
411
405
399
394
390
386
385
384
383
386

Monday 18

Waxing Crescent 12%

07:03

00:03

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 05:23, Set: 21:03, Transit: 13:14. Moon - Rise: 07:03, Set: 00:03. Civil Dark: 21:44 - 04:42. Nautical Dark: 22:40 - 03:46. Astro Dark: 00:02 - 02:21

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
96
93
89
92
96
100
100
100
100
100
100
100
95
91
86
85
83

Low Clouds (% Sky Obscured)

59
71
81
87
83
78
48
47
55
63
75
88
100
100
100
100
96
92
83
77
70
64
68
73

Medium Clouds (% Sky Obscured)

93
91
89
85
73
70
73
71
61
51
57
63
66
45
33
24
27
31
39
34
29
21
18
16

High Clouds (% Sky Obscured)

99
96
93
90
97
98
100
69
39
10
39
69
97
67
36
15
17
12
1
11
19
27
23
29

ISS Passover

Visibility (miles)

9
9
6
3
0
1
1
2
4
7
9
9
9
9
9
9
9
8
8
7
8
8
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
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

54
57
61
65
61
57
47
45
38
22
26
36
51
66
72
67
53
37
24
36
41
44
35
25

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
7
7
7
7
6
7
9
9
9
9
9
9
8
8
9
9
9
9
13
12
12
12

Dew Point (°C)

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

Relative Humidity (%)

95
96
98
98
98
100
98
98
96
95
95
95
96
95
93
89
84
82
78
75
75
75
77
79

Pressure (mb)

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

Ozone (du)

389
393
392
391
390
390
390
390
391
392
393
391
389
387
387
388
388
386
385
384
380
377
374
372

Tuesday 19

Waxing Crescent 21%

08:25

00:57

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 05:22, Set: 21:05, Transit: 13:14. Moon - Rise: 08:25, Set: 00:57. Civil Dark: 21:46 - 04:40. Nautical Dark: 22:42 - 03:44. Astro Dark: 00:07 - 02:16

Total Clouds (% Sky Obscured)

84
85
86
86
90
94
97
98
98
98
98
97
97
98
99
99
92
85
81

Low Clouds (% Sky Obscured)

81
82
82
83
86
89
91
88
86
84
76
68
58
56
54
54
50
46
42

Medium Clouds (% Sky Obscured)

13
19
23
29
30
35
34
41
51
61
44
28
10
7
4
2
1
1
1

High Clouds (% Sky Obscured)

30
30
30
35
30
22
17
38
60
84
83
82
82
69
62
63
72
73
75

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

15
13
10
5
7
8
5
9
10
7
12
9
3
5
6
6
9
8
8

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
14
12
10
9
9
9
9
8
7
7
7
6
6
8
11
13
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
87
90
95
98
95
92
90
93
95
98
98
98
98
93
87
83
80
79

Pressure (mb)

1015
1015
1016
1016
1017
1017
1018
1018
1018
1018
1018
1019
1019
1019
1020
1020
1020
1020
1021

Ozone (du)

370
368
366
364
361
357
353
349
349
348
347
346
344
342
342
341
340
340
339

Forecast for Upton, Cornwall, United Kingdom (50.54,-4.43)

Generated: 13/05/26 18:24:13. Forecast: 13/05/26 to 19/05/26. Timezone: UTC+1.00