Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 13

Waning Crescent 9%

03:42

18:02

19 Bad
20 Bad
21 OK
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

Sun - Rise: 05:11, Set: 20:45, Transit: 12:59. Moon - Rise: 03:42, Set: 18:02. Civil Dark: 21:26 - 04:30. Nautical Dark: 22:22 - 03:33. Astro Dark: 23:43 - 02:09

Total Clouds (% Sky Obscured)

33
37
44
14
53
66
93
80
73
66
61
68
93
84
84
59
78
70
94
100
100
100
100
56

Low Clouds (% Sky Obscured)

33
37
31
14
53
66
93
70
66
47
56
55
86
67
59
37
64
61
49
34
30
29
52
44

Medium Clouds (% Sky Obscured)

2
0
2
3
9
28
17
14
8
38
18
30
51
71
84
59
64
70
94
73
78
98
99
56

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

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

Precipitation Probability (%)

31
12
6
0
0
0
0
2
3
1
2
3
15
15
18
42
54
62
70
84
90
81
82
80

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
77
81
87
91
93
93
93
94
96
96
96
90
79
70
63
60
58
60
62
62
64
63
71

Pressure (mb)

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

Ozone (du)

429
430
431
433
434
434
436
437
436
435
436
433
431
429
431
430
431
431
431
431
431
429
430
430

Thursday 14

Waning Crescent 3%

03:58

No Set

19 Bad
20 OK
21 Good
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

Sun - Rise: 05:09, Set: 20:46, Transit: 12:59. Moon - Rise: 03:58, Set: No Set. Civil Dark: 21:28 - 04:28. Nautical Dark: 22:24 - 03:31. Astro Dark: 23:48 - 02:04

Total Clouds (% Sky Obscured)

49
0
0
13
73
84
99
96
90
89
92
89
85
89
95
100
98
89
100
83
69
75
44
53

Low Clouds (% Sky Obscured)

42
0
0
9
31
38
23
60
28
49
35
20
27
51
62
72
78
47
48
28
57
57
42
8

Medium Clouds (% Sky Obscured)

49
0
0
13
39
84
94
94
90
89
92
89
85
89
94
100
91
78
99
81
69
39
4
53

High Clouds (% Sky Obscured)

3
0
0
2
73
54
96
60
38
38
35
54
45
45
40
35
30
30
21
5
2
1
3
0

ISS Passover

Visibility (miles)

3
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
9
9
9
9
9
9
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
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 (%)

70
27
1
0
0
0
0
0
0
0
0
0
1
1
17
16
44
34
37
42
47
47
51
52

Precipitation Amount (mm)

0.3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
84
90
91
93
93
93
93
91
93
93
93
90
85
81
80
81
76
66
60
51
54
62
63

Pressure (mb)

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

Ozone (du)

429
431
432
431
428
423
421
420
420
420
420
420
419
418
416
413
412
411
410
411
413
413
412
415

Friday 15

Waning Crescent 0%

04:19

19:34

19 Bad
20 Good
21 OK
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 OK
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: 05:08, 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)

9
10
34
10
6
4
1
2
5
21
43
69
68
71
83
91
82
91
96
98
100
96
98
95

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
29
33
35
30
91
71
87
89
86
84
68
78
70

Medium Clouds (% Sky Obscured)

9
10
12
2
0
0
0
0
1
6
15
19
19
20
26
24
26
30
33
72
78
55
64
68

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
30
64
98
73
44
18

ISS Passover

Visibility (miles)

8
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 (%)

42
8
8
1
2
0
0
0
0
0
0
0
0
0
2
7
20
20
21
30
42
44
45
48

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

Chance of Frost

Temperature (°C)

12
11
9
8
7
5
4
4
3
3
2
2
4
6
9
10
11
12
13
13
12
13
13
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
79
78
81
82
85
86
86
88
89
89
88
82
76
70
62
54
49
47
48
53
52
54
66

Pressure (mb)

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

Ozone (du)

418
420
426
433
436
436
436
434
431
422
413
409
406
404
403
402
402
401
399
399
398
397
396
395

Saturday 16

New Moon 1%

04:50

21:09

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
18 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)

98
99
98
97
97
95
95
95
95
94
94
92
94
97
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

70
70
66
75
80
86
84
83
83
74
68
53
53
56
56
56
63
72
73
70
74
62
47
40

Medium Clouds (% Sky Obscured)

68
88
92
90
90
91
91
89
93
93
89
92
94
96
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

34
52
71
45
22
0
8
16
26
39
46
54
73
87
100
100
100
100
96
91
86
59
27
0

ISS Passover

Visibility (miles)

7
9
9
9
9
9
9
9
9
7
4
9
9
5
4
6
5
5
6
9
8
7
8
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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

43
34
34
36
34
31
30
31
36
45
39
15
31
43
41
39
51
57
61
66
72
67
68
71

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
83
87
90
90
90
91
93
95
95
98
96
96
88
81
80
79
75
71
65
65
66
65
76

Pressure (mb)

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

Ozone (du)

396
397
397
400
401
403
408
407
402
400
400
402
403
406
408
412
416
419
419
422
425
428
432
436

Sunday 17

Waxing Crescent 5%

05:35

22:39

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
18 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)

95
100
91
98
93
91
95
98
100
100
100
100
98
96
96
96
95
94
95
96
96
95
93
92

Low Clouds (% Sky Obscured)

35
36
38
39
39
39
48
59
69
68
67
66
9
19
28
34
41
47
42
39
33
35
32
28

Medium Clouds (% Sky Obscured)

84
100
80
97
59
61
79
98
100
100
100
84
29
48
62
48
31
14
18
23
31
40
49
59

High Clouds (% Sky Obscured)

0
0
0
1
0
0
1
6
23
27
21
10
56
42
56
61
51
39
39
40
40
44
51
59

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
9
4
1
9
9
8
7
6
7
8
9
7
6
4
5
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

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

Precipitation Probability (%)

56
34
12
13
12
8
17
21
43
95
86
51
32
31
32
48
58
66
66
68
70
64
58
54

Precipitation Amount (mm)

0.3
0
0
0
0
0
0
0
0
0.9
0.5
0
0
0
0
0
0.3
0.3
0.3
0.4
0.4
0.3
0.3
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
9
6
6
5
6
6
5
4
5
7
5
5
4
6
7
8
9
10
12
11
12
11
12

Dew Point (°C)

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

Relative Humidity (%)

81
87
91
95
93
96
94
96
96
98
98
95
91
85
83
77
79
80
82
82
82
83
83
86

Pressure (mb)

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

Ozone (du)

434
433
431
430
432
434
436
436
434
433
433
436
439
434
428
423
416
409
402
397
392
387
387
387

Monday 18

Waxing Crescent 12%

06:41

23:54

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
18 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)

92
93
94
96
98
100
100
100
100
100
100
100
100
99
99
99
99
99
99
98
99
97
88
81

Low Clouds (% Sky Obscured)

22
16
11
26
39
53
55
52
55
46
40
38
44
51
62
62
62
61
74
87
99
97
88
81

Medium Clouds (% Sky Obscured)

66
75
84
85
85
85
88
91
96
95
92
82
59
34
11
14
12
15
17
23
24
18
9
8

High Clouds (% Sky Obscured)

64
70
75
79
87
96
100
100
100
100
97
89
72
69
66
61
56
50
37
28
19
15
10
14

ISS Passover

Visibility (miles)

7
8
8
9
9
9
9
9
9
8
6
3
0
3
6
9
9
9
9
9
9
9
8
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
None
None
None

Precipitation Probability (%)

44
34
21
19
16
13
28
41
52
54
54
51
47
40
31
31
33
45
46
46
38
33
33
38

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)

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

Chance of Frost

Temperature (°C)

14
12
11
10
9
9
9
9
10
10
10
11
11
12
14
15
15
15
15
15
16
16
16
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
90
91
95
95
95
95
95
95
96
96
98
100
93
87
82
80
80
79
74
69
64
69
75

Pressure (mb)

1013
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1012
1012
1012
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014

Ozone (du)

386
389
391
393
392
391
389
390
390
391
391
391
392
392
393
394
390
387
384
385
386
386
383
379

Tuesday 19

Waxing Crescent 21%

08:03

00:48

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: 05:03, 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)

84
88
91
91
90
89
87
89
90
96
99
99
99
98
98
97
97
95

Low Clouds (% Sky Obscured)

84
80
68
66
72
71
67
63
52
53
57
68
73
80
89
79
68
61

Medium Clouds (% Sky Obscured)

11
13
14
26
36
47
42
43
45
50
55
56
54
52
50
44
38
35

High Clouds (% Sky Obscured)

27
32
33
42
55
63
45
22
5
28
51
74
74
73
72
60
55
63

ISS Passover

Visibility (miles)

7
8
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

Precipitation Type

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

Precipitation Probability (%)

33
27
13
13
11
6
7
7
5
4
2
0
1
0
0
1
2
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
11
11
11
11
11
11
10
10
10
10
11
11
11
11
11
11

Relative Humidity (%)

83
87
90
96
95
96
96
98
98
98
95
93
90
86
82
78
72
65

Pressure (mb)

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

Ozone (du)

376
375
374
373
373
372
371
370
368
367
363
359
355
352
349
346
346
345

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

Generated: 13/05/26 19:11:03. Forecast: 13/05/26 to 19/05/26. Timezone: UTC+1.00