Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 13

Waning Crescent 9%

03:46

18:06

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: 05:15, Set: 20:50, Transit: 13:03. Moon - Rise: 03:46, Set: 18:06. Civil Dark: 21:30 - 04:34. Nautical Dark: 22:25 - 03:38. Astro Dark: 23:46 - 02:15

Total Clouds (% Sky Obscured)

69
62
53
61
81
75
73
90
84
92
94
83
92
68
84
76
100
100
100
100
88
87
77
44

Low Clouds (% Sky Obscured)

35
30
42
52
73
61
61
70
68
83
86
71
84
52
68
55
54
43
56
61
70
76
62
41

Medium Clouds (% Sky Obscured)

2
0
0
0
0
8
23
57
52
65
63
57
43
48
59
54
100
100
100
100
63
61
55
37

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
3
3
5
37
49
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
5
4
9
9
4
4
5
5
4
5
5
5
5
8
8
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
Light Rain
Very Light Rain
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None

Precipitation Probability (%)

37
82
70
0
0
2
8
39
74
47
34
57
68
74
77
82
81
79
79
75
79
77
74
19

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
90
91
93
93
89
91
93
91
98
98
88
87
81
77
74
76
74
73
73
77
82
84
87

Pressure (mb)

1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1002
1002
1002
1002
1002
1002
1002
1003
1003

Ozone (du)

428
426
424
423
421
421
424
428
427
426
424
422
420
418
417
419
420
421
423
426
427
428
426
426

Thursday 14

Waning Crescent 3%

04:02

19:38

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

Sun - Rise: 05:14, Set: 20:52, Transit: 13:03. Moon - Rise: 04:02, Set: 19:38. Civil Dark: 21:31 - 04:32. Nautical Dark: 22:28 - 03:36. Astro Dark: 23:50 - 02:10

Total Clouds (% Sky Obscured)

36
21
44
86
100
99
99
92
90
82
95
84
98
92
89
100
91
100
97
90
76
80
84
28

Low Clouds (% Sky Obscured)

33
21
44
64
68
73
81
43
45
36
42
74
70
55
46
50
50
35
60
48
52
70
39
0

Medium Clouds (% Sky Obscured)

36
6
6
74
100
98
97
89
86
81
82
63
93
66
46
55
84
92
78
88
73
38
44
18

High Clouds (% Sky Obscured)

0
3
44
64
63
55
75
51
50
30
80
20
20
13
11
10
2
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
5
9
9
9
5
6
5
6
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
Very Light Rain
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

1
0
0
0
0
0
0
0
0
0
1
18
43
42
44
53
64
67
64
60
46
37
13
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
91
91
93
96
96
96
94
96
94
93
91
87
93
93
83
72
72
71
71
72
71
72
77

Pressure (mb)

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

Ozone (du)

427
425
421
417
418
416
414
413
412
411
410
409
411
413
414
416
417
419
421
426
428
430
431
431

Friday 15

Waning Crescent 0%

04:24

No Set

21 OK
22 OK
23 Good
00 Good
01 Good
02 Good
03 Good
04 OK
05 OK
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: 05:12, Set: 20:53, Transit: 13:03. Moon - Rise: 04:24, Set: No Set. Civil Dark: 21:33 - 04:31. Nautical Dark: 22:30 - 03:33. Astro Dark: 23:55 - 02:05

Total Clouds (% Sky Obscured)

30
23
0
0
15
0
0
36
44
55
67
57
82
96
97
97
97
99
88
100
97
100
99
100

Low Clouds (% Sky Obscured)

30
23
0
0
15
0
0
0
31
26
28
36
39
38
45
73
82
99
83
100
89
92
83
86

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
7
8
10
17
17
70
96
97
91
89
60
28
33
36
43
85
89

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
34
79
91
90
87
78

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
1
2
4
27
25
27
34
53
52
42
28
20
23

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
3
3
2
2
1
1
0
0
0
1
3
3
3
3
4
3
4
5
7
8
7
7
8

Relative Humidity (%)

79
81
83
85
86
86
86
86
86
86
82
76
70
62
60
59
57
61
62
75
84
76
83
87

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

427
419
411
408
407
406
403
402
401
401
401
401
400
398
397
397
396
394
394
394
395
395
393
392

Saturday 16

New Moon 1%

04:54

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: 05:11, Set: 20:55, Transit: 13:03. Moon - Rise: 04:54, Set: 21:13. Civil Dark: 21:35 - 04:29. Nautical Dark: 22:32 - 03:31. Astro Dark: 00:01 - 02:00

Total Clouds (% Sky Obscured)

100
99
99
99
99
98
96
97
97
97
98
99
100
99
99
98
99
99
100
86
71
56
71
86

Low Clouds (% Sky Obscured)

88
85
80
75
79
86
93
91
88
86
81
73
65
76
77
77
53
62
59
56
45
31
19
10

Medium Clouds (% Sky Obscured)

98
91
85
92
91
90
93
92
93
92
95
98
100
98
96
92
95
98
100
86
71
54
71
86

High Clouds (% Sky Obscured)

71
60
34
16
11
6
9
25
45
64
75
87
100
68
37
15
43
71
100
75
47
2
10
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
9
5
5
9
9
9
7
6
5
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None

Precipitation Probability (%)

33
26
25
26
26
31
39
35
38
35
53
61
71
78
81
79
78
78
83
76
65
55
34
22

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.4
0.5
0.6
0.5
0.4
0.4
0.5
0.5
0.4
0.4
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
8
8
8
8
8
8
8
8
8
8
8
8
9
9
9
7
7
8
8
8
8
7

Relative Humidity (%)

93
95
93
93
96
96
98
98
96
95
95
91
87
84
85
91
87
73
70
77
80
83
83
85

Pressure (mb)

1009
1009
1009
1009
1009
1009
1008
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010

Ozone (du)

390
393
396
402
408
406
403
403
402
402
402
404
407
410
412
413
416
420
422
424
428
430
431
431

Sunday 17

Waxing Crescent 5%

05:40

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: 05:10, Set: 20:56, Transit: 13:03. Moon - Rise: 05:40, Set: 22:43. Civil Dark: 21:37 - 04:27. Nautical Dark: 22:34 - 03:29. Astro Dark: 00:06 - 01:54

Total Clouds (% Sky Obscured)

100
90
81
69
74
91
100
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
2
2
20
38
60
64
63
64
59
57
54
59
63
68
72
77
79
86
92
97
96
95

Medium Clouds (% Sky Obscured)

100
76
66
46
60
91
100
95
86
89
93
88
76
66
60
58
44
34
35
40
46
42
56
75

High Clouds (% Sky Obscured)

0
0
0
0
29
57
70
70
72
66
57
52
54
65
72
80
73
72
65
70
82
100
99
99

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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

5
8
8
6
10
13
13
21
22
17
19
17
14
23
23
22
45
54
60
65
68
68
74
82

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
91
91
91
94
96
94
94
96
96
91
91
90
87
85
87
83
79
76
73
76
79
81
84

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

431
431
430
429
432
432
434
436
437
437
437
439
438
431
425
418
416
409
402
395
391
388
384
383

Monday 18

Waxing Crescent 12%

06:46

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
19 Bad
20 Bad

Sun - Rise: 05:08, Set: 20:58, Transit: 13:03. Moon - Rise: 06:46, Set: 23:58. Civil Dark: 21:38 - 04:26. Nautical Dark: 22:37 - 03:27. Astro Dark: 00:12 - 01:47

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
98
96
94
95
98
99
95
90
85
77
71

Low Clouds (% Sky Obscured)

95
96
98
100
100
100
100
100
100
100
95
90
85
85
85
85
89
92
94
90
85
79
72
65

Medium Clouds (% Sky Obscured)

97
98
98
97
89
80
73
78
84
89
73
57
46
42
42
38
40
42
40
42
43
44
50
52

High Clouds (% Sky Obscured)

99
92
89
84
72
57
41
61
80
100
99
99
98
97
96
94
95
98
98
67
39
25
25
22

ISS Passover

Visibility (miles)

9
9
9
9
9
7
5
2
2
1
0
3
5
8
8
9
9
9
8
7
6
5
3
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

Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

95
89
80
70
64
60
63
78
93
95
95
95
95
95
95
95
95
95
95
84
77
83
89
87

Precipitation Amount (mm)

0.8
0.6
0.5
0.4
0.3
0.2
0.3
0.4
0.6
0.9
0.9
1
1.1
1
1
1
0.8
0.8
0.9
0.5
0.4
0.5
0.5
0.6

Wind Speed/Direction (mph)

14
15
15
15
16
15
15
15
15
15
15
14
13
13
14
14
14
15
17
18
17
16
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
91
93
96
96
96
96
98
98
96
93
90
86
82
78
74
79
84
89
92
95
96
95

Pressure (mb)

1011
1011
1011
1010
1010
1010
1009
1009
1009
1009
1008
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1011

Ozone (du)

382
381
381
381
381
382
384
385
386
387
389
387
385
383
384
384
385
385
385
385
385
384
384
385

Tuesday 19

Waxing Crescent 21%

08:07

00:51

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: 05:07, Set: 20:59, Transit: 13:03. Moon - Rise: 08:07, Set: 00:51. Civil Dark: 21:40 - 04:24. Nautical Dark: 22:39 - 03:25. Astro Dark: 00:19 - 01:39

Total Clouds (% Sky Obscured)

62
64
68
72
73
74
75
81
86
92
86
80
77
79
79
78
75
69
62
64
69
73

Low Clouds (% Sky Obscured)

58
57
55
54
59
64
69
74
80
86
78
71
66
66
63
61
54
49
43
46
45
44

Medium Clouds (% Sky Obscured)

54
38
23
11
16
22
27
23
18
11
7
4
4
7
11
18
18
21
30
20
10
0

High Clouds (% Sky Obscured)

18
15
13
10
6
2
0
0
0
0
0
1
2
2
2
2
13
25
37
29
19
15

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

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

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

Precipitation Probability (%)

77
55
33
1
25
33
23
27
22
15
20
21
17
22
20
12
15
16
10
20
22
24

Precipitation Amount (mm)

0.5
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
9
10
9
9
7
7
6
7
7
7
8
8
8
8
9
9
14
14
14
14
14

Dew Point (°C)

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

Relative Humidity (%)

93
95
93
95
96
95
95
95
95
95
95
92
90
87
79
73
66
65
65
64
71
78

Pressure (mb)

1011
1012
1012
1013
1013
1014
1014
1014
1015
1016
1016
1017
1018
1018
1019
1019
1019
1020
1020
1020
1021
1021

Ozone (du)

387
388
390
392
394
393
391
389
387
385
383
381
379
376
372
367
363
359
355
351
349
347

Forecast for Marlborough, Wiltshire, United Kingdom (51.42,-1.73)

Generated: 13/05/26 21:27:58. Forecast: 13/05/26 to 19/05/26. Timezone: UTC+1.00