Clear Outside v1.0 - International Weather Forecasts For Astronomers

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 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: 05:09, 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)

61
64
69
74
83
100
100
100
76
0
0
0
46
62
96
95
100
100
100
98
100
89
86
95

Low Clouds (% Sky Obscured)

33
49
53
55
54
53
52
59
39
0
0
0
22
32
43
42
41
33
38
34
28
25
82
46

Medium Clouds (% Sky Obscured)

61
64
57
45
64
83
97
76
51
0
0
0
19
21
58
95
99
100
100
98
100
89
86
95

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
55
89
80
95
53
85
81
100
58
57
64

ISS Passover

Visibility (miles)

5
5
5
6
6
7
6
8
4
4
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

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

Precipitation Probability (%)

59
39
71
69
73
71
74
74
75
33
4
0
0
0
0
0
0
0
0
0
0
0
2
21

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
8
9
9
9
8
7
8
7
4
5
4
3
2
1
1
1
2
2
2
4
5
7

Dew Point (°C)

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

Relative Humidity (%)

64
62
61
60
58
58
59
66
78
85
88
91
91
89
93
94
94
96
94
93
90
85
78
69

Pressure (mb)

1002
1002
1002
1002
1001
1001
1001
1001
1002
1002
1003
1004
1004
1005
1005
1006
1006
1006
1007
1007
1008
1008
1009
1009

Ozone (du)

426
426
426
427
429
430
431
431
431
430
433
433
430
426
424
418
416
415
415
416
415
412
410
412

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 OK
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Bad
06 Bad
07 Bad
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)

90
68
100
63
74
73
61
48
45
28
0
0
0
3
2
1
0
0
69
90
75
86
95
94

Low Clouds (% Sky Obscured)

53
44
40
26
64
57
53
44
43
28
0
0
0
0
0
0
0
0
0
26
37
33
63
94

Medium Clouds (% Sky Obscured)

89
36
94
63
41
19
51
22
1
0
0
0
0
0
0
0
0
0
25
31
34
45
55
44

High Clouds (% Sky Obscured)

70
27
5
5
2
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
6
5
4
5
9
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
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

42
55
66
72
60
47
43
38
25
22
3
0
0
0
0
0
0
0
0
0
0
0
1
1

Precipitation Amount (mm)

0
0.2
0.4
0.5
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
7
8
9
9
9
7
6
4
2
3
4
4
4
4
4
5
5
5
4
4
5
6
7

Chance of Frost

Temperature (°C)

11
12
12
13
13
14
14
13
13
11
9
8
6
5
5
4
3
3
2
2
4
7
9
10

Feels Like (°C)

8
9
9
9
10
11
12
11
11
10
7
5
4
4
3
3
2
1
1
1
3
6
7
9

Dew Point (°C)

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

Relative Humidity (%)

61
63
63
65
70
67
62
63
67
71
72
75
81
83
85
85
86
86
88
88
83
78
70
59

Pressure (mb)

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

Ozone (du)

413
414
414
415
416
418
422
426
429
431
432
431
428
422
415
412
409
405
403
402
401
400
399
399

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)

98
100
87
98
100
93
99
97
98
99
97
100
100
100
100
96
95
98
90
91
94
97
100
100

Low Clouds (% Sky Obscured)

98
100
83
96
83
88
78
77
80
82
84
82
80
72
82
74
90
75
68
77
80
85
95
78

Medium Clouds (% Sky Obscured)

41
40
82
93
100
93
31
32
27
28
46
87
97
93
100
73
59
30
44
87
86
57
64
94

High Clouds (% Sky Obscured)

0
0
0
2
0
1
47
48
53
61
23
92
95
94
100
61
5
2
0
0
32
67
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
8
9
9
9
9
9
9
9
9
9
9
9
8
5
9
9
8
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

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
Very Light Rain

Precipitation Probability (%)

20
14
26
28
39
27
21
32
24
22
31
36
37
40
32
41
37
53
59
46
36
53
43
63

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
3
3
3
7
7
6
8
8
8
8
8
8
8
8
9
9
9
9
9
9
9
10

Relative Humidity (%)

53
50
52
54
52
67
67
64
75
81
84
85
88
91
93
95
96
98
96
98
96
90
86
90

Pressure (mb)

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

Ozone (du)

398
397
397
398
398
397
396
398
399
398
397
395
395
394
393
394
397
401
403
405
404
402
402
403

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 Bad
01 Bad
02 Bad
03 Bad
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
91
84
76
69
65
57
62
67
72
65
59
48
64
82
100
91
82
73
82
91
94
97

Low Clouds (% Sky Obscured)

55
41
42
44
39
40
40
38
45
51
55
49
40
33
47
49
45
38
34
35
31
28
25
48

Medium Clouds (% Sky Obscured)

96
100
80
50
47
45
47
53
62
67
68
65
59
48
60
55
55
53
57
67
61
30
3
18

High Clouds (% Sky Obscured)

100
100
79
57
36
26
20
10
10
10
10
10
15
20
46
46
60
48
42
28
48
71
93
94

ISS Passover

Visibility (miles)

8
4
5
4
6
7
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
9
9
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
Very 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
None
None
None

Precipitation Probability (%)

76
75
79
74
59
45
23
9
5
2
0
0
0
0
1
2
2
13
31
60
52
20
19
35

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
78
70
69
75
74
70
71
74
74
80
84
85
88
88
88
87
79
77
84
94
93
93
84

Pressure (mb)

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

Ozone (du)

404
408
413
417
417
418
420
420
422
423
425
426
425
427
429
432
432
430
428
427
420
420
418
410

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)

100
100
100
100
100
100
100
100
98
97
95
97
98
100
100
100
100
100
100
100
98
97
99
99

Low Clouds (% Sky Obscured)

70
88
76
65
48
52
52
53
63
71
81
81
81
81
77
73
70
71
73
75
67
59
51
46

Medium Clouds (% Sky Obscured)

39
62
63
97
99
90
86
93
95
95
94
93
92
92
88
82
68
55
45
36
43
48
56
46

High Clouds (% Sky Obscured)

90
98
92
100
100
100
99
99
75
50
31
54
75
100
97
91
70
51
38
23
19
17
24
39

ISS Passover

Visibility (miles)

4
5
4
4
6
9
9
9
9
7
5
5
4
3
3
3
2
1
4
6
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
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

41
43
45
42
34
22
20
27
40
51
65
67
74
62
65
53
37
22
15
15
13
12
12
24

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
83
80
82
83
79
87
87
92
96
96
95
96
96
96
96
98
96
95
93
90
87
83
80

Pressure (mb)

1014
1014
1014
1014
1015
1015
1015
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1012
1013
1013
1014
1014
1015
1015

Ozone (du)

406
403
397
391
387
383
380
376
376
375
372
370
371
373
379
382
384
387
386
385
385
384
383
383

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
07 Bad
08 Bad
09 Bad
10 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)

99
98
99
99
100
99
98
96
94
90
88
90
94
98
99
99
98
94
91
88
93
98
100
98

Low Clouds (% Sky Obscured)

41
36
43
52
59
57
54
53
56
56
56
60
65
74
84
93
98
94
91
88
93
98
100
94

Medium Clouds (% Sky Obscured)

32
21
23
24
30
31
33
25
10
9
3
4
5
6
9
32
27
30
31
23
19
23
32
30

High Clouds (% Sky Obscured)

45
52
67
83
85
95
95
95
94
90
88
90
94
98
67
33
0
0
3
8
16
30
43
39

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

Precipitation Probability (%)

31
33
23
14
12
25
35
43
44
45
50
49
52
60
59
54
42
35
20
3
3
1
0
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
17
17
17
17
17
16
16
15
14
13
12
12
12
12
12
12
12
12
13
13
14
15
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
73
71
72
73
74
77
79
80
83
86
89
89
89
90
90
92
92
92
93
93
89
84
80

Pressure (mb)

1016
1016
1016
1017
1017
1017
1017
1018
1018
1018
1019
1020
1020
1020
1020
1021
1021
1021
1022
1022
1023
1023
1024
1024

Ozone (du)

382
382
381
380
378
377
375
373
372
369
366
363
361
360
359
358
358
358
355
352
349
345
342
338

Wednesday 20

Waxing Crescent 21%

09:31

01:23

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

Sun - Rise: 05:01, Set: 20:55, Transit: 12:59. Moon - Rise: 09:31, Set: 01:23. Civil Dark: 21:38 - 04:18. Nautical Dark: 22:38 - 03:18. Astro Dark: 00:26 - 01:21

Total Clouds (% Sky Obscured)

95
93
83
74
64
58
56
52
38
25
19
23
25
22
35
48
62
57
45
52

Low Clouds (% Sky Obscured)

89
83
72
60
48
50
49
52
38
25
16
10
5
0
27
48
62
57
45
52

Medium Clouds (% Sky Obscured)

26
23
19
15
16
20
26
35
30
25
18
13
7
2
2
3
5
10
25
33

High Clouds (% Sky Obscured)

36
33
38
35
30
22
34
52
38
25
19
23
21
12
11
7
1
1
1
1

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

4
4
7
7
5
15
20
24
21
15
9
7
2
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
17
18
19
19
20
20
19
19
17
15
14
13
12
12
11
11
10
11
11

Feels Like (°C)

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

Dew Point (°C)

13
14
14
15
15
16
16
16
16
15
14
13
12
11
11
10
10
9
9
9

Relative Humidity (%)

79
79
78
78
77
76
77
81
82
85
89
92
93
93
95
93
91
90
88
87

Pressure (mb)

1024
1024
1025
1025
1025
1025
1025
1025
1025
1026
1026
1027
1027
1027
1027
1027
1027
1028
1028
1028

Ozone (du)

338
337
336
335
333
331
331
331
331
331
332
332
333
334
335
335
336
337
337
337

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

Generated: 14/05/26 11:30:16. Forecast: 14/05/26 to 20/05/26. Timezone: UTC+1.00