Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 10

Third Quarter 50%

03:46

11:04

01 OK
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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:16, Set: 19:51, Transit: 13:03. Moon - Rise: 03:46, Set: 11:04. Civil Dark: 20:26 - 05:41. Nautical Dark: 21:09 - 04:58. Astro Dark: 21:56 - 04:11

Total Clouds (% Sky Obscured)

35
52
63
71
100
100
100
100
100
100
99
93
97
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
10
23
0
0
0
87
64
0
0
0
0
0

Medium Clouds (% Sky Obscured)

14
39
63
71
100
100
100
100
92
95
79
93
78
98
100
100
100
100
100
100
71
70
36
31

High Clouds (% Sky Obscured)

35
52
63
71
100
100
95
90
96
98
44
22
70
100
100
100
100
100
100
100
100
100
100
100

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
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

7
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
28
46
31
3
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
0
0
0
-0
-1
-1
-0
-0
-1
-0
-1
-0
1
1
2
2
3
2
2
2
2
2
2

Relative Humidity (%)

70
70
70
71
71
71
71
68
65
59
55
50
48
49
51
54
58
61
65
68
68
66
70
70

Pressure (mb)

1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1021
1020
1019
1018
1017
1017
1016
1015
1014
1014
1012
1011
1010

Ozone (du)

369
366
360
356
357
357
358
357
356
357
356
354
349
347
347
347
346
346
345
344
346
348
348
349

Saturday 11

Waning Crescent 40%

04:12

12:20

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 OK
18 OK
19 OK
20 Bad
21 Bad
22 Bad
23 Bad
00 OK

Sun - Rise: 06:14, Set: 19:53, Transit: 13:03. Moon - Rise: 04:12, Set: 12:20. Civil Dark: 20:28 - 05:39. Nautical Dark: 21:11 - 04:56. Astro Dark: 21:58 - 04:08

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
60
48
68
30
68
0
31
35
48
92
66
63
34

Low Clouds (% Sky Obscured)

0
0
7
57
74
100
100
100
81
45
52
37
37
37
26
0
0
31
35
46
55
64
62
34

Medium Clouds (% Sky Obscured)

40
11
22
31
27
36
39
31
40
35
4
0
0
13
1
29
0
0
0
4
52
2
0
1

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
49
11
1
1
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
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
6
28
31
9
5
1
4
21
36
39
20
1
1
3
9
26
7
3

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)

12
12
13
13
12
12
11
10
14
13
13
16
18
19
19
19
19
18
17
17
19
19
20
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
74
73
75
77
78
80
82
87
90
84
63
50
46
49
60
66
67
68
70
71
74
78
78

Pressure (mb)

1009
1008
1006
1005
1004
1004
1003
1003
1004
1005
1006
1006
1006
1007
1007
1007
1007
1007
1007
1008
1008
1008
1008
1008

Ozone (du)

348
346
346
347
348
348
348
349
352
354
357
362
370
379
382
390
397
403
409
409
414
417
417
415

Sunday 12

Waning Crescent 30%

04:31

13:38

01 OK
02 OK
03 Bad
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
19 OK
20 OK
21 OK
22 OK
23 Bad
00 Bad

Sun - Rise: 06:12, Set: 19:54, Transit: 13:03. Moon - Rise: 04:31, Set: 13:38. Civil Dark: 20:29 - 05:37. Nautical Dark: 21:13 - 04:53. Astro Dark: 22:01 - 04:05

Total Clouds (% Sky Obscured)

36
42
46
43
45
53
49
52
53
65
81
80
80
81
62
66
53
34
28
24
20
31
51
61

Low Clouds (% Sky Obscured)

36
42
46
43
45
53
49
52
53
41
52
39
39
51
34
41
36
34
22
14
5
3
2
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
3
2
4
4
17
12
11
13
16
13
13
11
6
11
8
8
20
51
61

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
2
0
0
0
1
1
0
0
0
0
1
4
5

ISS Passover

Visibility (miles)

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

1
1
0
0
1
0
0
1
2
23
34
40
23
19
19
22
28
18
5
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)

17
15
15
14
14
13
11
12
14
14
14
14
12
12
13
12
11
11
9
7
6
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
4
4
4
4
4
5
5
4
4
4
3
4
2
1
0
0
3
4
5
4
3
3
2

Relative Humidity (%)

79
81
81
81
84
85
88
82
74
66
60
58
60
46
42
42
44
56
67
77
82
85
85
83

Pressure (mb)

1008
1008
1009
1009
1009
1010
1010
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1014
1014
1014
1013

Ozone (du)

414
411
411
411
413
414
415
417
420
422
421
418
418
425
431
435
438
444
449
456
462
464
465
468

Monday 13

Waning Crescent 20%

04:46

14:58

01 Bad
02 OK
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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 OK

Sun - Rise: 06:09, Set: 19:56, Transit: 13:03. Moon - Rise: 04:46, Set: 14:58. Civil Dark: 20:31 - 05:34. Nautical Dark: 21:15 - 04:51. Astro Dark: 22:03 - 04:02

Total Clouds (% Sky Obscured)

46
37
25
35
53
66
68
69
71
82
91
100
100
99
99
84
62
47
49
45
31
42
38
33

Low Clouds (% Sky Obscured)

0
3
5
10
20
33
42
51
63
64
65
71
73
74
75
56
46
36
32
28
22
22
22
22

Medium Clouds (% Sky Obscured)

46
37
25
35
48
60
58
66
65
21
90
100
99
96
98
81
27
10
49
45
22
42
35
24

High Clouds (% Sky Obscured)

5
4
0
0
0
0
8
4
0
0
0
20
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

5
17
57
68
42
23
21
32
36
34
73
74
58
66
70
62
59
62
56
41
21
12
4
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
83
80
86
94
93
91
88
84
82
78
87
87
86
76
80
76
78
83
90
93
91
93
94

Pressure (mb)

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

Ozone (du)

471
474
477
475
477
481
478
471
468
467
469
469
471
473
472
468
464
460
456
452
451
450
452
450

Tuesday 14

Waning Crescent 12%

04:59

16:18

01 OK
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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:07, Set: 19:58, Transit: 13:02. Moon - Rise: 04:59, Set: 16:18. Civil Dark: 20:33 - 05:32. Nautical Dark: 21:17 - 04:48. Astro Dark: 22:06 - 03:59

Total Clouds (% Sky Obscured)

19
9
1
22
45
69
67
61
55
59
63
69
79
89
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

17
9
0
22
43
66
63
53
46
48
49
51
34
17
0
0
0
0
0
0
0
25
49
74

Medium Clouds (% Sky Obscured)

4
0
0
0
0
0
2
4
7
10
12
13
31
42
42
35
36
37
37
33
33
34
30
31

High Clouds (% Sky Obscured)

0
0
0
3
7
10
7
5
2
4
5
19
41
64
69
62
63
62
66
73
84
79
73
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
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
10
3
8
7
4
3
9
9
10
11
11
12
23
37
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
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

5
4
4
4
3
3
3
5
8
9
11
12
13
13
13
13
12
12
11
11
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
94
93
94
96
88
82
81
76
71
66
66
66
66
69
72
77
77
78
78
80
82

Pressure (mb)

1013
1013
1014
1014
1014
1015
1015
1016
1017
1018
1018
1018
1018
1018
1018
1019
1019
1019
1020
1020
1021
1021
1021
1021

Ozone (du)

451
451
443
432
418
410
402
396
390
386
383
379
374
371
368
364
363
361
360
358
355
353
351
349

Wednesday 15

Waning Crescent 6%

05:11

17:41

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:05, Set: 19:59, Transit: 13:02. Moon - Rise: 05:11, Set: 17:41. Civil Dark: 20:35 - 05:30. Nautical Dark: 21:19 - 04:46. Astro Dark: 22:09 - 03:56

Total Clouds (% Sky Obscured)

100
100
100
100
99
99
99
100
100
100
100
100
100
100
100
99
97
95
93
91
89
93
96
100

Low Clouds (% Sky Obscured)

83
91
98
96
94
92
92
93
94
96
97
98
99
99
100
85
70
55
56
57
58
58
57
56

Medium Clouds (% Sky Obscured)

40
50
60
70
81
94
99
99
100
68
36
4
9
46
50
61
65
58
46
43
46
60
75
90

High Clouds (% Sky Obscured)

81
91
100
68
37
5
33
67
100
97
100
100
98
97
95
63
35
15
28
45
56
71
85
100

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 (%)

52
47
37
26
15
1
12
19
24
23
21
17
17
19
21
27
21
15
13
11
3
10
12
10

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
82
84
84
82
82
82
84
85
85
81
79
75
75
76
76
80
83
86
89
92
95
93
90

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

347
347
347
347
348
349
350
348
346
344
344
344
344
343
342
341
341
341
342
344
346
348
348
348

Thursday 16

Waning Crescent 2%

05:24

19:07

Sun - Rise: 06:03, Set: 20:01, Transit: 13:02. Moon - Rise: 05:24, Set: 19:07. Civil Dark: 20:37 - 05:27. Nautical Dark: 21:21 - 04:43. Astro Dark: 22:11 - 03:53

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 10/04/26 01:45:30. Forecast: 10/04/26 to 16/04/26. Timezone: UTC+1.00