Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 13

Waning Crescent 16%

03:46

16:53

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

Sun - Rise: 05:34, Set: 20:58, Transit: 13:16. Moon - Rise: 03:46, Set: 16:53. Civil Dark: 21:38 - 04:54. Nautical Dark: 22:31 - 04:01. Astro Dark: 23:43 - 02:49

Total Clouds (% Sky Obscured)

40
37
79
64
11
34
79
54
79
79
21
34
54
54
54
54
34
34
47
19
75
71
76
81

Low Clouds (% Sky Obscured)

42
46
63
60
69
51
50
70
77
67
43
42
48
51
17
42
19
8
0
19
31
54
60
63

Medium Clouds (% Sky Obscured)

0
32
88
100
91
95
60
28
18
22
22
0
0
0
3
27
25
40
1
19
46
36
37
29

High Clouds (% Sky Obscured)

1
4
82
100
91
48
16
12
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
7
7
7
9
8
8

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
100
100
0
0
0
0
0
0
0
0
0
0
6
6
58
66
69

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

20
14
17
17
15
19
21
23
25
26
22
24
28
25
25
24
24
25
21
21
20
19
18
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
74
82
78
77
78
77
75
79
80
81
75
73
72
70
70
71
74
76
76
76
78
81
82

Pressure (mb)

1015
1014
1013
1013
1012
1011
1011
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1008
1008
1008
1008
1009
1008

Ozone (du)

396
397
396
394
396
398
399
398
401
402
408
416
420
417
417
420
424
425
424
421
420
420
423
427

Thursday 14

Waning Crescent 9%

04:01

18:18

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 OK
21 Bad
22 OK
23 OK

Sun - Rise: 05:32, Set: 21:00, Transit: 13:16. Moon - Rise: 04:01, Set: 18:18. Civil Dark: 21:40 - 04:52. Nautical Dark: 22:33 - 03:59. Astro Dark: 23:47 - 02:45

Total Clouds (% Sky Obscured)

84
66
77
59
49
83
98
100
100
100
100
100
100
100
100
98
77
68
50
43
33
34
28
32

Low Clouds (% Sky Obscured)

74
66
61
59
49
62
56
64
62
61
79
78
67
74
73
65
54
49
40
43
33
34
28
32

Medium Clouds (% Sky Obscured)

26
0
24
0
0
18
49
100
100
100
99
100
100
96
94
93
71
47
20
1
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
3
34
71
95
99
58
100
100
65
65
55
1
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

7
8
9
8
9
9
9
8
7
7
8
7
8
6
9
8
8
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

60
44
37
34
30
27
38
48
56
64
69
75
71
74
65
68
55
45
33
15
6
16
11
6

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

18
17
18
18
18
18
17
18
19
19
19
19
18
18
18
19
20
19
18
17
15
14
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
80
78
78
78
74
69
72
76
80
77
73
74
72
73
71
72
77
80
80
78
80
77
77

Pressure (mb)

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

Ozone (du)

428
430
433
431
430
426
423
422
418
415
415
414
416
417
421
427
428
430
425
427
428
432
432
431

Friday 15

Waning Crescent 3%

04:18

19:48

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 OK
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:31, Set: 21:01, Transit: 13:16. Moon - Rise: 04:18, Set: 19:48. Civil Dark: 21:41 - 04:51. Nautical Dark: 22:35 - 03:57. Astro Dark: 23:51 - 02:41

Total Clouds (% Sky Obscured)

57
52
46
60
57
64
63
71
73
91
100
100
92
60
40
51
35
39
79
78
88
94
89
91

Low Clouds (% Sky Obscured)

48
52
39
60
57
64
63
71
72
59
61
59
56
37
38
45
35
21
65
35
22
47
46
34

Medium Clouds (% Sky Obscured)

26
0
20
0
0
0
0
0
0
0
0
0
35
0
0
0
0
0
20
41
82
93
85
88

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
43
60
60
35
11
40
51
6
24
61
70
70
70
65
12

ISS Passover

Visibility (miles)

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

17
12
17
10
25
26
20
25
16
5
8
16
12
5
12
1
0
0
0
2
0
15
11
22

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
6
6
6
5
6
5
6
6
6
6
5
4
4
4
4
4
4
4
4
5
5
5
5

Relative Humidity (%)

78
84
85
85
85
85
85
84
78
74
72
65
61
58
58
60
59
58
60
66
72
77
78
79

Pressure (mb)

1007
1008
1008
1008
1008
1009
1009
1010
1010
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013

Ozone (du)

425
416
412
411
410
410
410
410
410
409
410
412
412
410
407
405
399
395
393
391
391
391
390
388

Saturday 16

New Moon 0%

04:41

21:22

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
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:29, Set: 21:03, Transit: 13:16. Moon - Rise: 04:41, Set: 21:22. Civil Dark: 21:43 - 04:49. Nautical Dark: 22:37 - 03:55. Astro Dark: 23:55 - 02:37

Total Clouds (% Sky Obscured)

79
92
100
100
96
100
97
98
97
81
91
99
100
100
100
100
98
97
95
90
92
93
95
96

Low Clouds (% Sky Obscured)

47
63
72
100
67
69
86
96
66
54
91
79
86
87
89
90
77
65
52
55
58
61
58
56

Medium Clouds (% Sky Obscured)

56
60
68
86
90
99
94
90
92
56
73
98
98
97
99
98
96
93
87
43
37
34
64
81

High Clouds (% Sky Obscured)

3
6
5
0
0
0
0
0
35
40
56
76
71
71
46
7
1
0
0
0
16
20
56
63

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

26
33
35
15
16
13
30
43
31
15
26
28
32
24
34
35
51
55
47
33
44
38
24
33

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
6
5
6
5
5
5
4
5
6
9
11
11
12
11
10
10
10
10
11
10
9
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
84
85
87
85
84
82
81
77
73
73
70
67
67
72
80
80
88
95
92
91
95
90
91

Pressure (mb)

1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1009
1010
1010
1010
1010

Ozone (du)

388
387
386
386
385
386
386
386
387
388
388
387
387
387
388
393
394
394
401
404
398
396
396
397

Sunday 17

Waxing Crescent 1%

05:14

22:50

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
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:28, Set: 21:04, Transit: 13:16. Moon - Rise: 05:14, Set: 22:50. Civil Dark: 21:44 - 04:48. Nautical Dark: 22:39 - 03:53. Astro Dark: 23:59 - 02:33

Total Clouds (% Sky Obscured)

98
98
99
100
100
100
100
100
100
100
100
100
100
57
89
81
96
100
100
100
100
100
99
98

Low Clouds (% Sky Obscured)

54
59
57
66
67
69
40
35
71
70
73
61
44
42
40
40
46
72
70
56
75
77
75
75

Medium Clouds (% Sky Obscured)

83
90
95
99
34
100
100
100
100
100
100
100
100
46
86
76
93
100
64
100
100
100
97
95

High Clouds (% Sky Obscured)

68
86
94
100
81
100
100
100
100
100
90
77
0
0
0
0
1
0
0
0
0
13
1
1

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

39
41
41
35
35
29
15
35
36
33
33
29
34
44
54
56
52
52
54
51
58
78
82
92

Precipitation Amount (mm)

0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0
0
0.2
0
0
0.5
0.4
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
7
7
7
7
7
7
8
8
8
8
6
6
6
8
7
8
8
8
8
8
8
8

Relative Humidity (%)

93
91
90
90
90
91
90
87
85
83
81
79
64
62
67
76
73
80
85
87
90
91
93
93

Pressure (mb)

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

Ozone (du)

398
399
403
406
413
413
415
418
420
424
430
435
437
435
431
429
429
431
432
431
432
433
435
437

Monday 18

Waxing Crescent 5%

06:01

00:04

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
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:27, Set: 21:05, Transit: 13:16. Moon - Rise: 06:01, Set: 00:04. Civil Dark: 21:46 - 04:46. Nautical Dark: 22:42 - 03:51. Astro Dark: N/A - 02:29

Total Clouds (% Sky Obscured)

97
98
99
90
96
96
76
81
87
95
97
98
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

75
72
65
58
59
51
44
58
63
68
73
77
81
81
79
77
66
56
48
47
52
60
66
57

Medium Clouds (% Sky Obscured)

92
95
97
61
77
57
28
31
50
66
76
87
97
96
96
96
97
96
97
94
91
87
68
56

High Clouds (% Sky Obscured)

4
3
0
0
0
0
0
45
53
57
70
85
99
99
98
98
94
92
92
96
95
97
100
100

ISS Passover

Visibility (miles)

4
6
4
8
8
6
3
9
9
9
9
9
9
9
8
8
7
8
9
9
7
6
4
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

95
95
89
86
74
65
50
43
36
33
38
42
45
45
46
47
48
50
49
55
59
61
59
55

Precipitation Amount (mm)

1
0.8
0.6
0.5
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
88
90
90
90
91
90
88
87
86
84
83
81
86
88
93
95
95
93
95
96
96
98

Pressure (mb)

1008
1008
1008
1007
1007
1007
1007
1007
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1012
1012
1011
1011
1011
1010

Ozone (du)

437
436
437
432
418
412
422
411
406
401
395
392
389
385
385
385
385
387
389
392
392
392
392
392

Tuesday 19

Waxing Crescent 12%

07:07

00:04

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
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:26, Set: 21:07, Transit: 13:16. Moon - Rise: 07:07, Set: 00:04. Civil Dark: 21:48 - 04:45. Nautical Dark: 22:44 - 03:49. Astro Dark: 00:03 - 02:25

Total Clouds (% Sky Obscured)

100
97
95
92
93
95
95
92
90
90
88
79
71
76
84
89
84
81
78
86
91
93
94
95

Low Clouds (% Sky Obscured)

42
52
59
70
69
70
72
76
79
83
81
76
69
60
63
63
55
52
49
57
64
70
71
78

Medium Clouds (% Sky Obscured)

57
55
49
43
46
36
44
31
25
19
24
32
36
34
27
21
18
15
13
30
48
65
57
50

High Clouds (% Sky Obscured)

100
67
33
0
33
67
95
68
56
28
9
5
0
5
7
10
12
29
36
37
38
35
33
28

ISS Passover

Visibility (miles)

7
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
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

51
43
33
22
35
55
79
84
77
51
35
27
31
30
32
30
22
19
12
9
7
7
7
8

Precipitation Amount (mm)

0
0
0
0
0
0
0.5
0.6
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
15
15
16
16
16
16
17
17
18
19
18
18
17
17
17
17
16
15
14
12
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
11
11
11
11
11
11
11
11
11
11
12
12
12
12
12
12
12
12
12
11
11
11

Relative Humidity (%)

96
95
93
95
93
92
92
93
89
84
80
80
80
80
79
77
75
79
83
86
90
93
96
96

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1012
1012
1012
1013
1013
1013
1014
1014
1015
1015
1016
1016
1016
1017

Ozone (du)

391
390
392
393
394
392
390
388
389
390
391
389
387
385
381
377
374
372
370
368
365
363
360
356

Forecast for Mawgan Porth, Cornwall, United Kingdom (50.46,-5.03)

Generated: 13/05/26 18:24:15. Forecast: 13/05/26 to 19/05/26. Timezone: UTC+1.00