Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 13

Waning Crescent 20%

04:59

14:58

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

Sun - Rise: 06:09, Set: 19:56, Transit: 13:03. Moon - Rise: 04:59, Set: 14:58. Civil Dark: 20:31 - 05:34. Nautical Dark: 21:15 - 04:48. Astro Dark: 22:03 - 03:59

Total Clouds (% Sky Obscured)

50
59
70
91
36
65
47
25
66
59
69
79
77
49
45
64
53
38
21
0
13
52
56
97

Low Clouds (% Sky Obscured)

50
59
70
79
27
65
47
25
53
27
53
65
63
49
45
43
49
38
14
0
0
0
23
27

Medium Clouds (% Sky Obscured)

32
28
35
32
9
3
3
25
66
56
43
21
60
45
4
13
2
0
2
0
5
18
17
37

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
0
2
3
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

0
1
1
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
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
3
24
37
47
53
64
57
42
29
2
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
3
4
6
9
10
11
11
9
10
10
11
9
9
9
8
6
6
6
5
4
4
5

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
85
81
73
62
55
53
52
52
54
58
65
73
80
85
88
91
93
93
93
91
91

Pressure (mb)

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

Ozone (du)

485
488
491
490
486
479
469
465
468
471
467
457
453
445
437
431
428
424
423
420
415
407
402
399

Tuesday 14

Waning Crescent 12%

04:59

16:18

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
01 Bad
02 Bad
03 Bad
04 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 - 04:46. Astro Dark: 22:06 - 03:56

Total Clouds (% Sky Obscured)

81
90
97
85
94
100
100
99
100
100
98
88
100
100
99
99
95
100
100
99
99
100
99
100

Low Clouds (% Sky Obscured)

27
30
16
5
41
68
78
72
100
100
94
79
77
82
60
70
78
61
61
75
70
100
83
65

Medium Clouds (% Sky Obscured)

31
29
38
31
29
36
43
45
51
41
40
19
43
38
37
68
61
74
97
97
98
95
89
79

High Clouds (% Sky Obscured)

0
0
6
9
24
75
66
45
40
27
36
32
8
24
33
55
48
99
80
78
34
95
35
98

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
5
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

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
None
None

Precipitation Probability (%)

0
0
0
1
9
10
35
39
15
7
18
6
2
4
14
23
10
3
11
50
80
74
53
37

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.6
0.5
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

5
5
5
7
9
10
12
12
12
12
12
12
12
12
12
11
11
11
11
11
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
93
87
81
71
63
55
55
56
57
63
73
75
76
77
76
75
83
85
90
95
96
98

Pressure (mb)

1017
1018
1018
1018
1018
1019
1018
1018
1018
1019
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018

Ozone (du)

396
393
393
391
386
382
378
374
369
367
366
364
362
361
358
357
356
354
353
354
352
352
350
349

Wednesday 15

Waning Crescent 6%

05:11

17:41

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 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 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 - 04:43. Astro Dark: 22:09 - 03:53

Total Clouds (% Sky Obscured)

100
99
100
100
100
100
100
100
100
94
99
81
86
71
56
33
47
55
47
59
58
56
54
64

Low Clouds (% Sky Obscured)

97
98
91
100
95
100
76
100
97
81
54
59
52
71
56
33
47
55
47
56
57
54
47
49

Medium Clouds (% Sky Obscured)

86
74
43
38
31
20
22
26
22
19
25
16
31
2
0
0
0
0
0
0
0
0
0
1

High Clouds (% Sky Obscured)

100
74
58
70
86
93
100
100
100
30
0
7
0
0
0
0
0
0
0
0
0
1
1
31

ISS Passover

Visibility (miles)

5
6
7
8
5
2
0
2
8
9
9
8
4
6
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
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

35
27
32
38
29
13
6
24
9
23
25
47
62
35
19
2
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.4
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
98
96
95
95
95
93
93
86
80
86
89
93
95
95
95
96
96
98
96
98

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1015
1015
1016
1016
1017
1017
1018
1018
1018
1018
1019
1019

Ozone (du)

349
348
345
342
341
342
343
346
349
354
357
359
363
377
384
391
389
380
379
380
379
379
380
382

Thursday 16

Waning Crescent 2%

05:24

19:07

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
01 Bad
02 Bad
03 Bad
04 Bad

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 - 04:40. Astro Dark: 22:11 - 03:50

Total Clouds (% Sky Obscured)

80
97
94
89
81
83
80
87
88
90
92
99
99
99
96
93
90
85
79
74
77
82
86
87

Low Clouds (% Sky Obscured)

51
54
53
56
57
59
61
60
57
54
49
61
78
78
55
38
21
23
24
23
36
49
54
57

Medium Clouds (% Sky Obscured)

2
4
17
29
40
53
62
67
59
41
37
32
34
79
95
91
90
85
79
46
26
31
69
64

High Clouds (% Sky Obscured)

62
92
64
37
9
18
25
33
44
55
67
75
77
79
65
50
40
40
30
30
22
14
11
9

ISS Passover

Visibility (miles)

9
9
1
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
1
1
1
0
1
2
1
10
2
0
1
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
96
91
86
76
67
58
54
53
52
52
55
68
76
83
88
93
93
93
93
91
91
91

Pressure (mb)

1019
1019
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1023
1023
1023
1023
1023
1022
1022

Ozone (du)

382
381
382
381
382
385
387
381
376
373
371
371
368
364
362
362
362
363
362
361
360
360
359
359

Friday 17

New Moon 0%

05:38

20:37

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
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 06:01, Set: 20:03, Transit: 13:02. Moon - Rise: 05:38, Set: 20:37. Civil Dark: 20:38 - 05:25. Nautical Dark: 21:23 - 04:38. Astro Dark: 22:14 - 03:46

Total Clouds (% Sky Obscured)

87
86
91
95
99
99
100
100
100
100
100
97
94
91
100
100
100
98
96
94
94
94
93
95

Low Clouds (% Sky Obscured)

60
64
80
78
72
64
55
47
57
63
71
61
51
41
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

41
40
42
43
45
56
67
76
64
43
57
52
59
59
24
48
71
72
73
75
65
55
47
51

High Clouds (% Sky Obscured)

12
15
38
65
93
96
98
100
100
99
99
81
60
40
100
100
100
92
83
74
75
75
76
66

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
10
16
18
16
16
13
5
9
7
2
2
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)

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

Chance of Frost

Temperature (°C)

8
8
9
10
11
12
14
15
16
16
16
17
16
16
15
14
12
11
11
10
10
10
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
88
83
80
77
70
65
63
62
65
61
64
68
76
79
81
86
87
87
88
88
88
88

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1020
1020
1020
1020
1021
1021
1021
1021
1021
1020
1020
1020
1020

Ozone (du)

359
356
355
355
358
361
364
365
367
365
364
360
359
358
357
357
356
355
356
357
358
358
359
360

Saturday 18

Waxing Crescent 2%

05:56

22:11

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
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:59, Set: 20:04, Transit: 13:02. Moon - Rise: 05:56, Set: 22:11. Civil Dark: 20:40 - 05:23. Nautical Dark: 21:25 - 04:35. Astro Dark: 22:17 - 03:43

Total Clouds (% Sky Obscured)

98
100
100
100
100
94
87
81
85
88
92
91
90
90
77
65
56
45
38
33
25
21
9
20

Low Clouds (% Sky Obscured)

0
1
7
13
19
18
18
18
34
48
63
53
45
40
42
41
45
39
34
29
21
13
4
16

Medium Clouds (% Sky Obscured)

54
59
71
84
99
75
51
27
22
20
35
33
18
7
13
19
25
45
38
33
25
21
9
20

High Clouds (% Sky Obscured)

55
50
69
83
100
70
38
4
14
27
41
52
63
76
64
55
50
45
38
33
25
21
9
20

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
14
17
18
25
32
41
40
38
35
33
28
20
23
24
21
29
40
44
43

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
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
9
9
11
13
14
16
17
18
17
17
16
15
14
14
13
12
12
11
11
10
9
9
8

Feels Like (°C)

8
7
7
9
9
10
11
11
12
18
17
16
15
15
14
12
11
12
11
10
10
9
9
8

Dew Point (°C)

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

Relative Humidity (%)

87
88
87
83
76
71
67
62
58
63
67
74
75
78
79
82
86
89
90
91
93
93
95
96

Pressure (mb)

1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

362
365
367
369
371
373
376
379
381
377
373
369
368
366
365
366
368
369
371
372
373
376
378
381

Sunday 19

Waxing Crescent 7%

06:21

23:43

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: 05:57, Set: 20:06, Transit: 13:01. Moon - Rise: 06:21, Set: 23:43. Civil Dark: 20:42 - 05:21. Nautical Dark: 21:27 - 04:33. Astro Dark: 22:19 - 03:40

Total Clouds (% Sky Obscured)

45
60
66
72
76
77
76
73
79
88
94
97
98
97
95
92
90
71
54
38

Low Clouds (% Sky Obscured)

27
38
48
59
71
66
55
51
44
38
42
44
49
55
53
54
66
46
25
4

Medium Clouds (% Sky Obscured)

45
60
66
72
76
77
76
73
79
86
86
82
78
74
62
51
40
37
35
34

High Clouds (% Sky Obscured)

35
55
55
45
35
35
40
40
31
25
29
21
13
5
20
36
48
35
23
9

ISS Passover

Visibility (miles)

9
8
8
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 (%)

48
49
45
41
38
35
29
21
25
27
26
29
31
25
15
12
3
3
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
95
93
88
87
84
81
80
80
80
81
84
86
86
87
88
90
90

Pressure (mb)

1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1022
1022
1022
1022
1022

Ozone (du)

382
384
386
388
390
392
393
394
395
396
397
397
397
396
395
394
394
393
392
392

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

Generated: 13/04/26 05:29:21. Forecast: 13/04/26 to 19/04/26. Timezone: UTC+1.00