Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 13

Waning Crescent 9%

03:42

16:35

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 Good
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

Sun - Rise: 05:11, Set: 20:45, Transit: 12:59. Moon - Rise: 03:42, Set: 16:35. Civil Dark: 21:26 - 04:30. Nautical Dark: 22:22 - 03:33. Astro Dark: 23:43 - 02:09

Total Clouds (% Sky Obscured)

84
80
77
100
83
73
60
49
37
32
0
0
63
71
70
80
84
88
89
80
95
81
82
53

Low Clouds (% Sky Obscured)

60
55
74
51
71
60
60
49
37
32
0
0
63
71
70
69
74
51
66
67
89
64
63
53

Medium Clouds (% Sky Obscured)

50
60
77
100
73
67
60
31
26
4
0
0
6
29
22
15
54
65
83
74
81
80
54
5

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)

6
6
8
8
4
5
5
8
9
9
9
9
9
9
9
9
9
9
7
9
9
7
9
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
None
None

Precipitation Probability (%)

66
72
72
75
73
79
58
42
16
14
9
2
0
0
1
0
7
19
21
23
40
69
48
51

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
15
15
17
18
16
17
16
15
14
12
11
9
9
10
10
9
8
8
7
7
8
8
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
66
73
75
72
80
79
79
81
82
85
85
90
93
90
90
93
93
91
93
91
88
85
73

Pressure (mb)

1003
1003
1002
1002
1002
1002
1002
1001
1002
1002
1002
1002
1003
1003
1002
1002
1002
1002
1002
1002
1002
1003
1003
1002

Ozone (du)

429
434
436
440
440
437
430
427
431
432
432
432
431
432
433
433
431
430
434
436
433
430
430
429

Thursday 14

Waning Crescent 8%

03:58

18:02

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

Sun - Rise: 05:09, Set: 20:46, Transit: 12:59. Moon - Rise: 03:58, Set: 18:02. Civil Dark: 21:28 - 04:28. Nautical Dark: 22:24 - 03:31. Astro Dark: 23:48 - 02:04

Total Clouds (% Sky Obscured)

39
58
19
89
65
58
100
100
8
35
12
35
65
93
100
100
98
96
93
82
79
98
96
97

Low Clouds (% Sky Obscured)

39
26
0
30
40
23
42
42
8
23
12
13
52
55
54
48
26
17
12
0
0
79
40
59

Medium Clouds (% Sky Obscured)

6
38
19
38
65
58
99
57
8
35
12
35
14
52
95
100
98
96
93
82
79
91
95
96

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
1
13
11
44
100
90
50
38
31
9
30
20
14
24

ISS Passover

Visibility (miles)

9
7
5
7
4
4
6
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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

47
52
57
70
71
71
78
75
55
22
9
1
0
0
0
0
0
0
0
1
0
3
24
34

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
58
57
64
63
65
68
68
76
82
87
91
91
91
93
91
91
93
93
91
88
82
80
80

Pressure (mb)

1002
1002
1002
1001
1001
1001
1001
1001
1001
1002
1003
1003
1004
1004
1005
1005
1005
1006
1006
1007
1007
1008
1008
1008

Ozone (du)

427
426
425
425
426
428
429
430
430
430
431
432
426
419
417
417
417
418
418
417
415
412
410
408

Friday 15

Waning Crescent 3%

04:19

19:34

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

Sun - Rise: 05:08, Set: 20:48, Transit: 12:59. Moon - Rise: 04:19, Set: 19:34. Civil Dark: 21:30 - 04:26. Nautical Dark: 22:26 - 03:29. Astro Dark: 23:53 - 01:59

Total Clouds (% Sky Obscured)

86
72
91
54
72
40
9
25
56
49
22
11
17
4
2
1
1
1
1
1
30
60
85
80

Low Clouds (% Sky Obscured)

69
38
49
36
41
37
0
8
5
0
0
0
0
1
0
0
0
0
0
1
30
59
74
60

Medium Clouds (% Sky Obscured)

70
59
77
31
72
40
9
7
19
49
6
0
0
0
0
0
0
0
0
0
9
18
23
25

High Clouds (% Sky Obscured)

27
2
3
2
2
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

33
35
34
46
50
49
44
49
51
32
16
1
0
0
0
0
0
0
0
0
0
0
0
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
11
12
13
14
14
14
13
12
11
9
8
6
5
5
4
3
3
2
2
4
6
8
11

Feels Like (°C)

7
8
9
11
11
11
10
11
11
9
8
8
6
5
5
4
3
2
1
1
4
6
7
10

Dew Point (°C)

8
7
6
5
5
6
7
7
8
8
7
5
4
3
3
2
2
1
1
0
2
3
3
3

Relative Humidity (%)

87
76
63
59
56
58
62
66
73
81
84
84
85
86
88
89
89
89
89
88
85
78
70
60

Pressure (mb)

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

Ozone (du)

406
406
408
408
408
410
412
416
421
426
428
428
428
428
426
420
415
409
405
404
404
403
405
404

Saturday 16

New Moon 0%

04:50

21:09

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
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:07, Set: 20:49, Transit: 12:59. Moon - Rise: 04:50, Set: 21:09. Civil Dark: 21:31 - 04:25. Nautical Dark: 22:29 - 03:26. Astro Dark: 23:58 - 01:53

Total Clouds (% Sky Obscured)

85
98
98
98
97
98
99
100
99
99
97
97
98
99
97
95
93
93
92
91
94
96
100
100

Low Clouds (% Sky Obscured)

47
50
49
57
64
58
52
49
47
46
46
48
64
73
78
84
90
86
84
82
80
74
78
68

Medium Clouds (% Sky Obscured)

35
48
67
70
74
89
92
94
95
77
41
56
98
98
97
95
93
89
85
64
76
79
94
90

High Clouds (% Sky Obscured)

2
3
11
19
29
53
78
99
74
58
46
38
33
27
34
37
32
3
1
0
30
62
95
97

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
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

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

Precipitation Probability (%)

7
4
6
14
22
25
34
31
22
10
1
5
11
17
25
33
39
37
31
31
32
39
55
68

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
0.2
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
50
49
54
51
53
55
70
79
81
88
91
93
88
88
88
90
88
90
91
91
90
81
89

Pressure (mb)

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

Ozone (du)

401
400
399
399
398
396
395
394
395
398
399
397
395
394
396
396
397
401
405
408
406
405
405
405

Sunday 17

Waxing Crescent 1%

05:35

22:39

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 OK
01 OK
02 OK
03 OK
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:05, Set: 20:51, Transit: 12:59. Moon - Rise: 05:35, Set: 22:39. Civil Dark: 21:33 - 04:23. Nautical Dark: 22:31 - 03:24. Astro Dark: 00:04 - 01:47

Total Clouds (% Sky Obscured)

100
100
100
100
100
94
88
82
80
77
74
59
48
42
31
22
18
46
73
100
100
100
100
98

Low Clouds (% Sky Obscured)

63
40
63
67
69
67
67
68
53
43
30
20
10
0
0
0
0
0
0
0
9
19
28
34

Medium Clouds (% Sky Obscured)

97
100
100
100
100
91
81
69
73
75
72
41
37
42
31
22
18
46
64
65
70
78
82
79

High Clouds (% Sky Obscured)

98
100
100
100
100
73
47
20
14
0
0
0
0
12
13
20
18
43
39
25
34
50
72
79

ISS Passover

Visibility (miles)

7
9
6
4
9
9
9
5
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

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

Precipitation Probability (%)

74
82
90
88
79
71
72
76
59
48
33
26
16
0
16
23
25
27
21
2
12
17
21
25

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
72
63
80
84
89
81
81
83
87
91
93
93
95
94
94
94
94
94
94
93
85
78
71

Pressure (mb)

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

Ozone (du)

406
410
411
413
417
420
424
429
433
436
438
437
436
433
432
433
435
436
428
421
413
408
404
400

Monday 18

Waxing Crescent 5%

06:41

23:54

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
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:04, Set: 20:52, Transit: 12:59. Moon - Rise: 06:41, Set: 23:54. Civil Dark: 21:35 - 04:21. Nautical Dark: 22:33 - 03:22. Astro Dark: 00:10 - 01:40

Total Clouds (% Sky Obscured)

96
94
95
96
97
95
94
92
93
94
95
97
99
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

41
47
42
38
34
36
39
43
39
32
26
35
40
43
43
43
43
37
30
23
36
49
62
62

Medium Clouds (% Sky Obscured)

76
72
81
89
97
90
83
76
71
68
64
69
74
79
82
89
93
95
97
97
91
83
76
73

High Clouds (% Sky Obscured)

77
70
58
45
40
41
49
57
64
70
77
84
92
100
100
100
100
100
98
92
88
83
81
76

ISS Passover

Visibility (miles)

9
8
8
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
0
3
6
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

28
32
39
46
53
46
37
22
16
9
0
3
8
11
18
26
34
38
47
49
43
32
17
20

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
62
57
65
73
82
80
79
76
76
73
72
77
83
88
90
93
95
95
96
96
96
93
93

Pressure (mb)

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

Ozone (du)

397
394
391
390
388
387
386
385
385
383
381
379
376
373
369
368
366
364
364
363
363
363
363
364

Tuesday 19

Waxing Crescent 12%

08:03

00:48

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

Sun - Rise: 05:03, Set: 20:54, Transit: 12:59. Moon - Rise: 08:03, Set: 00:48. Civil Dark: 21:36 - 04:20. Nautical Dark: 22:36 - 03:20. Astro Dark: 00:18 - 01:32

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
98
97
93
89
76
75
74
78
76
75
75
82
89
96

Low Clouds (% Sky Obscured)

62
61
74
87
100
98
96
94
81
64
53
55
60
65
63
60
55
53
51
49

Medium Clouds (% Sky Obscured)

67
63
69
74
79
67
52
38
26
13
0
0
0
0
1
4
10
7
6
0

High Clouds (% Sky Obscured)

70
64
58
43
26
12
9
0
0
0
0
17
35
51
42
24
7
30
53
76

ISS Passover

Visibility (miles)

8
8
8
8
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

Precipitation Type

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

Precipitation Probability (%)

29
43
51
58
57
52
47
38
26
18
8
8
6
5
6
6
5
4
2
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
90
92
90
89
87
87
87
90
93
96
96
96
98
96
98
98
96
96

Pressure (mb)

1016
1016
1016
1015
1015
1015
1015
1015
1015
1016
1016
1016
1017
1017
1018
1018
1018
1018
1019
1019

Ozone (du)

366
368
370
371
371
371
368
365
362
364
365
366
369
371
373
370
367
364
363
362

Forecast for Bray Court, Windsor and Maidenhead, United Kingdom (51.50,-0.70)

Generated: 13/05/26 11:09:34. Forecast: 13/05/26 to 19/05/26. Timezone: UTC+1.00