Clear Outside v1.0 - International Weather Forecasts For Astronomers

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)

59
68
75
81
100
100
97
100
100
100
100
100
94
62
65
95
100
98
98
100
100
97
100
100

Low Clouds (% Sky Obscured)

52
32
20
43
17
16
29
46
34
39
48
79
58
45
46
50
64
55
70
61
85
82
100
100

Medium Clouds (% Sky Obscured)

59
68
75
81
100
100
97
100
97
100
100
93
80
62
62
95
100
98
72
83
91
80
98
92

High Clouds (% Sky Obscured)

59
68
75
81
99
100
89
100
97
100
61
46
49
58
65
60
50
30
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
6
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 (%)

14
16
3
5
10
21
31
37
29
16
22
26
27
11
4
6
14
22
8
4
21
32
29
35

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

Chance of Frost

Temperature (°C)

14
14
15
15
15
15
14
13
12
11
10
9
9
8
8
7
7
6
7
7
8
9
10
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
56
52
48
48
52
56
66
75
81
84
87
91
93
91
91
90
93
91
90
88
84
84
75

Pressure (mb)

1011
1010
1011
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1011
1011
1011
1011

Ozone (du)

415
417
420
422
422
421
422
421
422
423
423
428
432
432
428
430
431
425
416
411
415
417
420
420

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
99
99
100
95
93
97
97
98
100
99
100
99
97
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

72
61
70
98
74
47
60
60
44
41
98
78
65
73
80
81
85
100
100
100
99
85
52
65

Medium Clouds (% Sky Obscured)

99
57
96
96
100
91
83
82
89
87
87
93
95
99
97
100
100
100
100
93
76
100
96
78

High Clouds (% Sky Obscured)

5
27
45
44
31
5
2
38
2
46
62
47
72
48
45
100
100
46
32
30
100
100
76
77

ISS Passover

Visibility (miles)

8
6
9
4
4
5
6
6
8
9
9
9
9
9
9
8
5
5
8
3
4
4
7
0

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

Precipitation Probability (%)

72
72
81
82
74
66
65
51
21
0
0
9
32
44
55
82
95
81
94
95
95
95
55
63

Precipitation Amount (mm)

0.4
0.3
0.5
0.5
0.4
0.3
0.4
0.3
0
0
0
0
0
0
0.2
0.5
1
0.4
0.5
1.1
0.5
1
0
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
71
74
69
75
75
83
80
83
87
91
93
96
95
96
95
96
96
96
96
98
98
96
98

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1009
1008
1007
1007
1007
1006
1006
1006

Ozone (du)

416
411
402
399
394
393
391
386
381
378
375
375
373
372
371
372
374
376
380
381
387
390
396
393

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)

100
100
100
100
90
90
88
74
80
47
100
100
99
78
78
100
92
90
86
91
93
95
97
93

Low Clouds (% Sky Obscured)

71
58
66
56
49
49
59
59
65
47
50
59
64
58
73
64
62
64
65
72
71
82
89
65

Medium Clouds (% Sky Obscured)

55
94
98
100
57
26
21
17
20
9
22
29
29
29
26
96
26
21
21
34
56
33
66
68

High Clouds (% Sky Obscured)

100
100
100
43
2
21
43
1
0
0
100
100
99
18
2
74
1
7
10
10
10
5
5
5

ISS Passover

Visibility (miles)

6
8
4
7
4
4
4
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

Very Light Rain
Light Rain
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
None
None

Precipitation Probability (%)

57
75
79
76
83
77
70
36
19
11
0
3
1
2
5
4
8
14
19
5
11
21
8
16

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
16
18
15
15
16
15
15
15
14
11
9
9
10
11
12
13
13
13
13
12
13
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
76
74
87
82
82
85
86
84
83
89
95
96
95
95
96
93
95
89
89
89
84
80
76

Pressure (mb)

1006
1006
1007
1007
1007
1007
1008
1008
1009
1010
1011
1012
1012
1013
1013
1013
1013
1013
1014
1014
1015
1016
1016
1017

Ozone (du)

389
385
385
391
392
389
389
390
390
387
386
384
381
377
373
370
367
362
359
357
356
354
354
353

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 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: 05:01, 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)

89
84
86
89
91
93
84
93
86
83
82
91
97
100
98
96
93
95
97
99
99
99
100
98

Low Clouds (% Sky Obscured)

61
49
46
40
37
56
75
90
85
80
71
67
59
52
48
43
39
49
57
62
70
78
75
72

Medium Clouds (% Sky Obscured)

69
36
60
78
81
59
52
43
32
18
16
24
30
40
44
43
43
49
53
51
50
43
41
33

High Clouds (% Sky Obscured)

5
5
5
5
5
5
2
5
1
1
3
8
15
20
30
35
36
32
32
35
23
11
5
5

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
None
None
None
None
None
None
None

Precipitation Probability (%)

19
16
11
7
7
8
5
4
5
4
2
2
1
0
3
5
7
14
20
26
31
39
45
39

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)

17
17
17
17
17
16
15
13
13
11
9
8
8
8
8
7
7
6
6
6
7
8
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
66
62
61
62
66
66
68
74
79
87
93
95
96
96
96
95
95
95
93
89
80
74
67

Pressure (mb)

1017
1017
1018
1018
1019
1019
1020
1020
1021
1021
1022
1023
1023
1023
1023
1023
1023
1024
1024
1024
1025
1025
1025
1025

Ozone (du)

350
348
346
346
346
347
348
347
346
343
342
343
344
342
341
340
340
339
339
337
335
334
333
334

Thursday 21

Waxing Crescent 31%

10:59

01:47

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 OK
10 OK

Sun - Rise: 05:00, Set: 20:57, Transit: 12:59. Moon - Rise: 10:59, Set: 01:47. Civil Dark: 21:40 - 04:17. Nautical Dark: 22:40 - 03:16. Astro Dark: 00:37 - N/A

Total Clouds (% Sky Obscured)

95
81
92
87
95
98
99
100
88
77
65
66
67
68
67
68
69
78
88
89
72
56
28
33

Low Clouds (% Sky Obscured)

68
65
76
78
86
79
68
56
47
39
29
40
51
61
64
66
69
78
88
89
72
49
24
26

Medium Clouds (% Sky Obscured)

31
23
25
28
30
31
30
31
29
30
34
28
17
6
7
10
19
16
10
4
4
4
4
4

High Clouds (% Sky Obscured)

9
2
10
8
16
48
75
100
73
47
25
25
21
21
15
17
31
35
31
26
48
56
28
33

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
None
None
None
None
None
None
None

Precipitation Probability (%)

32
23
17
10
4
3
2
0
0
0
0
0
0
0
0
0
0
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
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
16
18
17
18
18
18
18
18
16
15
14
13
12
12
11
11
11
11
10
10
15
16
17

Dew Point (°C)

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

Relative Humidity (%)

60
54
50
48
47
47
52
57
67
72
74
76
76
72
70
75
81
89
87
87
86
79
71
64

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

334
334
333
332
331
330
330
331
331
331
330
329
329
330
330
330
329
328
328
328
328
328
328
328

Friday 22

Waxing Crescent 42%

10:59

02:04

11 OK
12 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
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: 04:59, Set: 20:58, Transit: 12:59. Moon - Rise: 10:59, Set: 02:04. Civil Dark: 21:41 - 04:15. Nautical Dark: 22:42 - 03:14. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

36
45
62
80
95
75
58
41
57
72
87
85
83
83
91
94
99
98
98
98
87
73
57
71

Low Clouds (% Sky Obscured)

28
30
20
10
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
14

Medium Clouds (% Sky Obscured)

4
4
12
21
34
30
26
19
27
39
49
41
33
26
43
48
61
64
71
76
68
73
57
71

High Clouds (% Sky Obscured)

36
45
51
69
91
65
33
2
32
64
87
85
83
83
91
94
96
97
98
98
82
68
55
68

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
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
6
8
6
13
13
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
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
22
24
24
24
24
24
23
22
21
19
17
17
17
16
16
16
16
16
16
16
18
20
21

Feels Like (°C)

18
18
19
24
22
22
22
22
23
20
21
20
20
19
18
16
16
16
16
15
15
18
19
20

Dew Point (°C)

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

Relative Humidity (%)

59
54
50
51
50
51
56
61
67
73
78
85
86
86
86
89
90
93
90
90
87
83
80
76

Pressure (mb)

1025
1025
1025
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1023
1023
1023
1023
1023

Ozone (du)

328
329
329
332
334
337
338
339
339
338
337
336
335
334
334
334
334
334
334
334
334
334
334
335

Saturday 23

First Quarter 53%

12:21

02:18

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: 04:58, Set: 20:59, Transit: 12:59. Moon - Rise: 12:21, Set: 02:18. Civil Dark: 21:43 - 04:14. Nautical Dark: 22:45 - 03:12. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

85
99
99
98
97
97
93
90
82
74
64
71
75
81
60
47
35
42
58
54

Low Clouds (% Sky Obscured)

28
42
39
37
34
35
36
31
28
24
25
22
20
17
14
10
5
6
8
9

Medium Clouds (% Sky Obscured)

85
92
70
49
30
32
34
36
35
36
37
27
16
6
5
3
2
2
2
2

High Clouds (% Sky Obscured)

81
94
82
76
75
80
73
67
58
52
45
49
53
61
56
37
6
4
3
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
0
2
3

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

Precipitation Probability (%)

0
0
10
19
26
37
30
25
36
55
68
55
61
54
50
52
29
25
19
11

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
24
25
25
26
26
26
26
25
23
21
19
18
17
16
16
15
15
15
15

Feels Like (°C)

21
21
21
27
27
27
27
28
29
25
24
24
22
21
20
17
16
16
16
16

Dew Point (°C)

17
17
17
18
18
18
19
20
21
20
19
18
17
16
16
15
15
15
15
15

Relative Humidity (%)

71
66
62
62
61
61
66
71
76
81
86
95
93
95
95
96
96
98
98
96

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1022
1023
1023
1024
1024
1024
1024
1024
1025
1025
1025
1025

Ozone (du)

335
335
336
336
336
336
335
334
333
332
332
332
332
332
331
331
330
330
329
328

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

Generated: 17/05/26 11:46:59. Forecast: 17/05/26 to 23/05/26. Timezone: UTC+1.00