Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 10

Third Quarter 40%

04:12

12:20

14 OK
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
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:14, Set: 19:51, Transit: 13:03. Moon - Rise: 04:12, Set: 12:20. Civil Dark: 20:26 - 05:39. Nautical Dark: 21:09 - 04:56. Astro Dark: 21:56 - 04:08

Total Clouds (% Sky Obscured)

42
55
65
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
66

Low Clouds (% Sky Obscured)

23
13
30
0
53
48
0
0
0
0
0
0
0
0
3
41
79
100
100
85
61
65
48
34

Medium Clouds (% Sky Obscured)

42
55
65
100
98
100
100
100
71
48
46
46
61
36
29
25
30
35
31
36
36
37
15
19

High Clouds (% Sky Obscured)

42
55
65
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
65

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
4
25
17
5
0
0
0
0
0
0
0
0
1
3
17
36
32
8
15
5

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)

9
10
10
10
9
8
9
10
10
11
11
11
11
13
13
13
12
11
11
14
16
13
15
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

48
50
53
54
59
63
65
65
66
68
69
71
75
73
76
78
81
84
84
84
90
88
72
52

Pressure (mb)

1019
1018
1017
1016
1015
1015
1014
1013
1012
1011
1010
1009
1008
1006
1006
1005
1004
1004
1004
1004
1005
1006
1007
1007

Ozone (du)

352
350
348
347
347
346
346
351
351
349
348
347
345
342
341
343
342
343
346
348
352
355
360
365

Saturday 11

Waning Crescent 30%

04:31

13:38

14 Bad
15 Bad
16 Good
17 Good
18 OK
19 OK
20 OK
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

Sun - Rise: 06:12, Set: 19:53, Transit: 13:03. Moon - Rise: 04:31, Set: 13:38. Civil Dark: 20:28 - 05:37. Nautical Dark: 21:11 - 04:53. Astro Dark: 21:58 - 04:05

Total Clouds (% Sky Obscured)

81
77
0
0
23
37
41
51
55
66
63
68
54
49
53
66
71
64
50
56
63
77
77
84

Low Clouds (% Sky Obscured)

37
29
0
0
23
37
41
51
55
53
63
62
54
49
53
57
62
55
50
56
63
56
34
53

Medium Clouds (% Sky Obscured)

23
27
0
0
0
0
0
0
0
13
1
6
0
0
0
10
10
12
2
15
15
66
31
27

High Clouds (% Sky Obscured)

13
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
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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
Very Light Rain

Precipitation Probability (%)

19
6
0
0
0
0
1
1
0
0
0
0
0
0
0
1
1
0
2
4
30
48
46
54

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
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
1
1
3
3
3
3
3
3
3
3
4
5
5
5
5
5
5
5
5
4
4
4
4

Relative Humidity (%)

46
47
48
54
59
63
67
71
74
70
70
74
78
79
79
82
85
87
82
73
65
59
58
54

Pressure (mb)

1007
1007
1007
1007
1008
1008
1008
1009
1008
1009
1009
1009
1009
1009
1009
1009
1010
1010
1011
1011
1012
1012
1011
1011

Ozone (du)

372
386
393
392
398
402
402
400
409
412
411
410
408
406
407
407
409
412
417
424
428
427
425
423

Sunday 12

Waning Crescent 20%

04:46

No Set

14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 OK
22 OK
23 OK
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

Sun - Rise: 06:09, Set: 19:54, Transit: 13:03. Moon - Rise: 04:46, Set: No Set. Civil Dark: 20:29 - 05:34. Nautical Dark: 21:13 - 04:51. Astro Dark: 22:01 - 04:02

Total Clouds (% Sky Obscured)

79
86
61
48
46
45
32
36
45
43
44
80
92
83
92
79
82
78
77
82
88
89
100
100

Low Clouds (% Sky Obscured)

50
51
41
42
36
8
7
0
0
0
4
5
45
60
50
46
61
64
65
55
54
62
76
78

Medium Clouds (% Sky Obscured)

56
86
61
48
46
45
32
36
45
43
44
80
92
77
92
77
43
16
13
63
75
60
100
100

High Clouds (% Sky Obscured)

0
1
2
2
5
2
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

58
54
49
47
39
17
0
0
0
4
16
62
95
56
22
14
6
2
6
12
33
48
63
68

Precipitation Amount (mm)

0.3
0.2
0.2
0.2
0.2
0
0
0
0
0
0
0.3
1.1
0
0
0
0
0
0
0
0
0
0.3
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
56
56
57
67
76
81
87
86
86
88
89
91
96
94
93
96
96
91
82
73
65
60
60

Pressure (mb)

1011
1011
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1010

Ozone (du)

422
427
431
435
441
449
452
455
460
464
465
468
471
477
481
486
487
485
483
477
475
475
475
476

Monday 13

Waning Crescent 12%

04:59

14:58

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 OK
11 OK
12 Good
13 OK

Sun - Rise: 06:07, Set: 19:56, Transit: 13:02. Moon - Rise: 04:59, Set: 14:58. Civil Dark: 20:31 - 05:32. Nautical Dark: 21:15 - 04:48. Astro Dark: 22:03 - 03:59

Total Clouds (% Sky Obscured)

100
100
100
95
97
94
92
87
73
58
53
59
62
68
64
64
64
60
68
66
36
24
11
19

Low Clouds (% Sky Obscured)

82
87
81
76
67
67
66
63
61
55
50
52
55
61
64
64
60
56
53
43
32
20
9
19

Medium Clouds (% Sky Obscured)

97
96
90
89
92
78
68
36
22
10
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
5
0
1
1
0

ISS Passover

Visibility (miles)

7
7
8
7
6
7
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

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

Precipitation Probability (%)

69
71
75
76
77
73
69
70
62
53
42
33
20
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
7
7
8
7
6
6
6
7
6
5
5
4
4
4
4
4
6
5
8
11
12
13

Dew Point (°C)

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

Relative Humidity (%)

62
60
66
69
74
82
88
90
90
91
91
91
91
91
89
91
91
91
85
81
76
68
62
55

Pressure (mb)

1010
1010
1010
1010
1010
1010
1011
1011
1012
1012
1012
1013
1013
1013
1014
1014
1014
1015
1016
1016
1017
1017
1017
1017

Ozone (du)

474
469
467
467
466
454
440
433
427
425
420
414
409
404
401
399
394
390
385
383
378
373
369
365

Tuesday 14

Waning Crescent 6%

05:11

16:18

14 OK
15 OK
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
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:05, Set: 19:58, Transit: 13:02. Moon - Rise: 05:11, Set: 16:18. Civil Dark: 20:33 - 05:30. Nautical Dark: 21:17 - 04:46. Astro Dark: 22:06 - 03:56

Total Clouds (% Sky Obscured)

29
40
57
67
78
85
92
98
97
96
95
97
98
100
99
98
98
90
82
69
75
81
88
85

Low Clouds (% Sky Obscured)

27
37
26
13
0
24
51
76
78
81
83
89
94
100
98
95
93
84
76
67
59
52
44
37

Medium Clouds (% Sky Obscured)

0
2
17
45
78
85
92
95
93
92
92
76
62
54
57
56
55
40
26
13
36
61
84
85

High Clouds (% Sky Obscured)

1
4
20
20
20
28
35
46
39
28
20
13
15
28
32
28
26
40
53
61
53
50
45
30

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
8
22
37
61
61
50
48
49
55
45
34
11
15
19
23
29

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
3
4
4
6
6
6
5
4
4
3
3
4
5
6
7
9
10
11
12
12
12
12
12

Relative Humidity (%)

49
48
48
50
61
68
73
76
74
71
71
70
74
75
80
84
91
96
96
95
92
89
84
80

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1014
1013
1013
1013
1012
1013
1013
1013
1013
1013
1013

Ozone (du)

363
359
357
356
356
354
352
350
348
346
345
348
349
350
351
351
352
352
352
352
351
351
351
351

Wednesday 15

Waning Crescent 2%

05:24

17:41

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
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:03, Set: 19:59, Transit: 13:02. Moon - Rise: 05:24, Set: 17:41. Civil Dark: 20:35 - 05:27. Nautical Dark: 21:19 - 04:43. Astro Dark: 22:09 - 03:53

Total Clouds (% Sky Obscured)

81
79
63
46
36
39
44
45
54
62
69
75
81
85
79
80
76
81
90
97
98
98
99
98

Low Clouds (% Sky Obscured)

34
28
29
30
36
39
40
41
42
46
55
60
65
70
71
72
73
79
85
91
85
79
73
81

Medium Clouds (% Sky Obscured)

81
79
63
46
36
39
29
13
30
47
64
41
15
5
22
41
45
19
5
5
10
5
5
11

High Clouds (% Sky Obscured)

15
14
4
4
3
0
0
0
3
5
7
38
69
85
79
80
76
78
67
62
69
76
83
72

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 (%)

33
33
35
36
38
35
31
22
15
7
0
0
1
3
3
1
0
0
1
0
10
16
20
32

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
90
95
92
90
87
89
93
96
96
96
96
94
94
94
96
96
98
90
83
76
69
63
58

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1015
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015

Ozone (du)

352
353
355
355
356
356
358
360
362
366
369
373
374
376
377
377
378
378
378
378
379
376
374
371

Thursday 16

Waning Crescent 0%

05:38

19:07

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: 06:01, Set: 20:01, Transit: 13:02. Moon - Rise: 05:38, Set: 19:07. Civil Dark: 20:37 - 05:25. Nautical Dark: 21:21 - 04:40. Astro Dark: 22:11 - 03:50

Total Clouds (% Sky Obscured)

98
98
98
99
100
98
96
94
92
90
88
88
88
87
73
53
40

Low Clouds (% Sky Obscured)

89
97
94
96
83
75
65
63
57
54
51
57
62
68
69
53
40

Medium Clouds (% Sky Obscured)

17
31
54
74
100
98
96
94
92
90
88
88
87
75
51
20
3

High Clouds (% Sky Obscured)

56
30
22
33
53
65
67
69
66
63
55
36
16
7
4
2
0

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

40
45
46
46
43
40
33
13
11
8
1
1
0
0
0
0
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
58
57
63
68
75
76
80
83
84
84
85
87
87
88
90
91

Pressure (mb)

1015
1015
1014
1014
1014
1014
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1017

Ozone (du)

369
366
363
361
359
357
357
357
358
357
357
357
361
365
369
370
370

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

Generated: 10/04/26 14:16:19. Forecast: 10/04/26 to 16/04/26. Timezone: UTC+1.00