Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 10

Third Quarter 40%

04:12

12:20

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 OK
16 OK
17 OK
18 OK

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)

39
53
63
100
100
100
100
100
100
100
100
100
100
100
100
100
87
66
75
82
22
19
31
35

Low Clouds (% Sky Obscured)

39
0
0
0
0
0
0
31
58
91
100
88
100
100
73
56
66
35
30
32
22
0
31
35

Medium Clouds (% Sky Obscured)

39
53
63
99
39
100
100
100
100
61
46
42
40
35
26
21
13
15
21
24
0
8
0
0

High Clouds (% Sky Obscured)

39
53
63
100
100
100
100
100
100
100
100
100
100
100
100
100
55
60
12
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 (%)

29
18
5
1
0
0
0
0
5
0
1
2
12
33
34
10
15
5
5
17
7
2
2
2

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
9
9
11
12
12
13
12
13
13
11
11
13
15
15
12
15
19
20
20
19
17
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
4
4
4
3
3
4
4
4
5
4
5
5
6
3
1
3
3
4
4
4
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

62
66
66
66
69
66
69
73
73
74
76
80
82
82
85
87
75
67
48
45
49
49
53
62

Pressure (mb)

1014
1013
1013
1012
1011
1010
1008
1007
1006
1005
1004
1003
1003
1003
1004
1005
1006
1006
1007
1007
1007
1007
1007
1007

Ozone (du)

347
348
351
351
351
348
346
345
344
344
345
345
346
349
352
354
357
362
366
375
390
397
401
405

Saturday 11

Waning Crescent 30%

04:31

13:38

19 OK
20 Bad
21 Bad
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: 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)

39
50
58
37
59
60
71
66
74
58
59
59
53
50
66
82
67
80
81
84
36
35
9
13

Low Clouds (% Sky Obscured)

39
50
58
37
59
60
71
60
65
58
59
59
53
50
61
54
55
51
27
43
33
31
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
5
6
0
0
0
0
0
3
25
18
59
77
50
36
35
9
13

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
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
6
6
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
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
1
1
0
0
0
0
0
0
0
1
1
0
0
2
8
38
49
48
58
64
60
55
45

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.4
0.3
0.3

Wind Speed/Direction (mph)

18
17
17
18
16
17
17
16
16
15
14
13
12
12
14
14
14
14
14
13
13
12
11
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
63
69
74
73
70
70
71
73
81
84
84
85
82
73
66
59
57
56
55
60
60
63
72

Pressure (mb)

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

Ozone (du)

407
404
410
415
415
414
411
408
408
407
408
410
412
418
423
427
427
425
423
426
435
437
440
446

Sunday 12

Waning Crescent 20%

04:46

14:58

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

Sun - Rise: 06:09, Set: 19:54, Transit: 13:03. Moon - Rise: 04:46, Set: 14:58. Civil Dark: 20:29 - 05:34. Nautical Dark: 21:13 - 04:51. Astro Dark: 22:01 - 04:02

Total Clouds (% Sky Obscured)

27
72
85
73
36
50
23
72
78
54
57
76
62
88
81
100
100
100
100
100
96
95
90
85

Low Clouds (% Sky Obscured)

0
10
0
0
0
0
0
44
56
36
33
64
62
88
37
70
86
79
82
85
83
87
64
73

Medium Clouds (% Sky Obscured)

13
10
29
57
36
50
23
72
78
54
57
76
12
39
30
100
100
96
100
100
50
95
88
77

High Clouds (% Sky Obscured)

14
39
40
36
35
25
23
1
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
2
10
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

16
0
0
0
1
4
14
54
95
95
54
35
20
51
46
68
79
80
95
95
88
87
89
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
1.3
0.8
0
0
0
0.2
0
0.4
0.5
0.4
1.1
1.1
0.5
0.6
0.6
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
8
6
5
4
3
3
2
3
2
3
3
2
5
6
8
6
7
6
6
7
8
7
7

Dew Point (°C)

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

Relative Humidity (%)

79
84
90
90
91
90
91
89
93
98
98
96
96
93
81
74
68
69
72
90
90
76
78
76

Pressure (mb)

1012
1012
1013
1013
1013
1013
1012
1012
1012
1011
1011
1011
1010
1010
1010
1010
1009
1009
1008
1008
1008
1008
1007
1007

Ozone (du)

450
454
460
462
461
462
465
470
476
477
480
480
478
478
477
475
474
472
473
474
474
473
473
469

Monday 13

Waning Crescent 12%

04:59

16:18

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

Sun - Rise: 06:07, Set: 19:56, Transit: 13:02. Moon - Rise: 04:59, Set: 16:18. Civil Dark: 20:31 - 05:32. Nautical Dark: 21:15 - 04:48. Astro Dark: 22:03 - 03:59

Total Clouds (% Sky Obscured)

75
68
58
46
41
40
38
35
33
28
24
29
42
47
56
57
60
69
58
51
60
59
59
56

Low Clouds (% Sky Obscured)

67
59
51
46
41
40
38
35
33
28
24
21
30
38
50
55
59
61
54
49
39
38
36
34

Medium Clouds (% Sky Obscured)

55
38
20
1
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
3
55
49
44
40

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
10
29
16
3
5
3
18
0
1
5
4
14
21

ISS Passover

Visibility (miles)

4
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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 (%)

71
39
10
8
4
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
0
0
0

Precipitation Amount (mm)

0.5
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
7
6
6
6
6
6
5
5
5
5
5
4
5
5
6
6
6
6
6
5
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
93
93
94
96
96
96
93
94
94
94
89
85
78
72
65
60
56
53
52
53
63

Pressure (mb)

1008
1008
1009
1009
1010
1010
1010
1011
1011
1012
1012
1013
1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

469
466
461
452
440
431
422
414
408
403
401
394
391
385
383
379
373
369
363
360
358
355
353
352

Tuesday 14

Waning Crescent 6%

05:11

17:41

19 OK
20 OK
21 OK
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 OK

Sun - Rise: 06:05, Set: 19:58, Transit: 13:02. Moon - Rise: 05:11, Set: 17:41. Civil Dark: 20:33 - 05:30. Nautical Dark: 21:17 - 04:46. Astro Dark: 22:06 - 03:56

Total Clouds (% Sky Obscured)

46
41
32
49
73
100
100
100
100
100
100
100
92
85
75
79
82
88
84
80
77
57
37
19

Low Clouds (% Sky Obscured)

26
13
1
32
66
97
87
76
66
77
89
100
84
76
67
59
52
44
37
32
25
25
24
19

Medium Clouds (% Sky Obscured)

43
41
32
49
70
100
99
99
90
73
74
66
36
33
44
36
23
10
10
10
12
10
7
4

High Clouds (% Sky Obscured)

15
13
17
48
73
100
82
80
75
77
100
100
60
59
35
20
17
13
9
5
1
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
1
14
28
45
55
62
60
31
33
34
38
41
42
39
37
33
28
23
18

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
10
9
8
7
7
7
8
8
9
9
9
10
12
12
13
14
15
15
16
16
16
15
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
74
69
66
66
63
63
68
74
80
81
91
93
92
90
90
83
78
73
69
66
64
67
71

Pressure (mb)

1016
1017
1018
1018
1017
1017
1017
1016
1016
1015
1014
1014
1013
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1013

Ozone (du)

352
348
347
344
343
341
344
350
351
351
352
353
353
354
354
355
356
357
358
358
358
357
359
361

Wednesday 15

Waning Crescent 2%

05:24

19:07

19 OK
20 OK
21 OK
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: 06:03, Set: 19:59, Transit: 13:02. Moon - Rise: 05:24, Set: 19:07. Civil Dark: 20:35 - 05:27. Nautical Dark: 21:19 - 04:43. Astro Dark: 22:09 - 03:53

Total Clouds (% Sky Obscured)

26
34
42
48
55
60
71
84
97
97
96
97
95
94
89
96
99
100
99
99
98
98
99
99

Low Clouds (% Sky Obscured)

26
29
30
34
40
46
49
58
61
67
70
73
76
83
89
85
79
73
81
89
97
98
99
99

Medium Clouds (% Sky Obscured)

26
34
42
48
29
3
21
37
39
38
46
23
21
23
30
27
19
16
46
73
95
94
92
89

High Clouds (% Sky Obscured)

0
0
0
2
4
7
38
69
97
97
96
85
62
58
54
59
68
72
55
36
19
18
16
24

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 (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

None
None
None
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
None

Precipitation Probability (%)

17
13
0
0
0
0
0
1
3
3
2
0
4
5
2
13
20
26
39
48
54
55
56
51

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

11
10
9
8
8
9
10
10
10
10
10
11
11
13
15
17
16
16
15
15
15
16
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
8
9
8
8
7
7
6
6
5
5
5
5
6
6
7
7
7
8
9
9
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

76
80
87
91
93
95
95
96
96
95
91
88
85
80
77
73
72
71
71
74
74
76
77
80

Pressure (mb)

1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013

Ozone (du)

363
366
369
373
373
373
373
374
376
378
380
381
383
382
382
381
379
377
376
372
369
366
366
366

Thursday 16

Waning Crescent 0%

05:38

19:07

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: 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)

95
91
87
86
85
85
84
86
88
94
97
97
96
94
93
93
95
96

Low Clouds (% Sky Obscured)

93
86
76
70
67
62
68
73
78
80
83
88
87
86
90
86
82
67

Medium Clouds (% Sky Obscured)

68
47
23
18
15
10
13
11
8
8
9
9
7
5
4
12
21
33

High Clouds (% Sky Obscured)

23
22
22
24
27
29
17
6
3
3
3
2
3
8
10
33
51
71

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

47
38
14
12
9
1
1
0
0
0
0
3
3
1
0
1
2
1

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
10
10
9
9
9
8
8
8
8
8
8
8
9
9
9
9

Relative Humidity (%)

83
87
90
95
95
96
96
95
93
91
88
87
85
84
83
81
80
77

Pressure (mb)

1013
1014
1014
1015
1015
1016
1016
1016
1016
1016
1017
1017
1017
1018
1018
1018
1018
1018

Ozone (du)

365
365
365
364
363
361
360
358
357
355
355
354
353
354
354
354
354
354

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

Generated: 10/04/26 19:35:37. Forecast: 10/04/26 to 16/04/26. Timezone: UTC+1.00