Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 9

Waning Gibbous 50%

03:50

11:01

21 OK
22 Bad
23 OK
00 OK
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

Sun - Rise: 06:15, Set: 19:52, Transit: 13:04. Moon - Rise: 03:50, Set: 11:01. Civil Dark: 20:27 - 05:40. Nautical Dark: 21:09 - 04:57. Astro Dark: 21:57 - 04:08

Total Clouds (% Sky Obscured)

21
66
19
32
75
86
100
100
100
100
100
100
93
89
100
80
93
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

12
0
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
17
26
0
0
50
53

Medium Clouds (% Sky Obscured)

9
5
0
0
0
1
40
71
99
100
100
100
93
86
36
49
49
95
100
100
91
100
100
98

High Clouds (% Sky Obscured)

21
5
0
21
75
86
100
100
100
100
100
77
50
74
100
46
79
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
None
None
None
None
None
None

Precipitation Probability (%)

0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
19
30

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
4
3
1
0
-2
-1
-1
-1
-1
0
1
2
3
4
6
8
7
6
6
6
6
5
4

Dew Point (°C)

4
2
1
1
0
-0
0
-0
0
0
0
0
-0
-1
-1
0
1
1
2
3
4
4
4
2

Relative Humidity (%)

69
69
72
76
77
76
77
77
80
80
80
75
68
63
57
54
53
53
54
57
62
67
68
63

Pressure (mb)

1020
1020
1021
1022
1022
1022
1023
1023
1023
1022
1022
1022
1022
1022
1021
1021
1020
1019
1018
1017
1016
1015
1014
1014

Ozone (du)

398
396
390
383
380
377
370
366
365
364
365
365
363
361
362
360
356
352
349
350
349
349
348
348

Friday 10

Third Quarter 40%

04:15

12:17

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 Bad
16 Bad
17 OK
18 Good
19 OK
20 OK

Sun - Rise: 06:13, Set: 19:54, Transit: 13:03. Moon - Rise: 04:15, Set: 12:17. Civil Dark: 20:29 - 05:38. Nautical Dark: 21:11 - 04:54. Astro Dark: 21:59 - 04:05

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
88
69
60
59
38
13
0
28
38

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
23
80
93
100
100
85
37
59
40
34
27
29
0
7
0
28
36

Medium Clouds (% Sky Obscured)

38
51
44
39
27
22
27
33
25
48
55
35
61
58
56
1
35
25
22
38
5
0
0
13

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
50
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
6
0
9
9
9
9
9
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

5
0
0
0
0
0
0
0
0
0
6
32
55
41
6
7
7
29
30
30
8
0
0
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

11
12
12
13
14
14
15
15
14
14
13
13
15
13
13
14
19
21
21
19
18
19
18
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
63
62
66
69
70
73
74
73
75
79
82
87
93
96
87
60
52
59
64
69
68
67
71

Pressure (mb)

1013
1012
1011
1010
1009
1007
1006
1005
1004
1003
1003
1003
1003
1004
1005
1005
1005
1005
1006
1006
1006
1006
1006
1006

Ozone (du)

350
350
350
350
351
350
349
349
348
349
351
353
354
356
360
369
379
385
391
398
404
407
411
413

Saturday 11

Waning Crescent 30%

04:33

13:37

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

Sun - Rise: 06:11, Set: 19:56, Transit: 13:03. Moon - Rise: 04:33, Set: 13:37. Civil Dark: 20:31 - 05:35. Nautical Dark: 21:13 - 04:51. Astro Dark: 22:02 - 04:02

Total Clouds (% Sky Obscured)

90
100
44
12
36
38
40
47
57
65
60
77
87
68
46
46
28
37
36
15
42
15
22
33

Low Clouds (% Sky Obscured)

43
56
42
8
36
34
34
44
57
60
58
74
87
42
35
37
28
36
33
15
21
12
9
5

Medium Clouds (% Sky Obscured)

72
73
0
0
1
0
0
0
0
4
2
3
4
18
10
7
0
4
2
0
18
10
22
33

High Clouds (% Sky Obscured)

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

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 (%)

22
9
15
2
0
3
1
1
13
1
0
0
0
18
30
21
10
5
3
9
13
18
7
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)

18
19
18
19
17
17
18
17
16
16
17
15
16
16
15
15
14
15
15
15
13
12
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
-1
-0
-1
-1
-1
-1
0
0
-1
-1
1
3
4
6
7
8
9
8
7
9
10
8
4

Dew Point (°C)

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

Relative Humidity (%)

71
76
81
78
78
76
78
78
79
75
71
74
71
69
62
56
51
48
47
48
55
62
74
81

Pressure (mb)

1006
1006
1006
1006
1007
1007
1007
1007
1008
1008
1009
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012

Ozone (du)

420
422
422
418
418
419
416
413
413
414
417
418
419
420
419
421
428
435
438
439
443
447
451
459

Sunday 12

Waning Crescent 20%

04:48

14:57

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

Sun - Rise: 06:09, Set: 19:57, Transit: 13:03. Moon - Rise: 04:48, Set: 14:57. Civil Dark: 20:33 - 05:33. Nautical Dark: 21:15 - 04:49. Astro Dark: 22:04 - 03:59

Total Clouds (% Sky Obscured)

34
43
48
51
49
53
54
63
76
84
73
66
68
76
83
88
83
80
76
59
44
18
10
12

Low Clouds (% Sky Obscured)

5
0
0
0
2
6
20
28
34
39
25
14
5
15
22
33
29
29
34
19
37
12
4
2

Medium Clouds (% Sky Obscured)

34
43
48
51
49
53
54
63
72
76
67
56
54
67
73
81
79
76
74
59
44
18
10
12

High Clouds (% Sky Obscured)

2
13
23
22
19
12
9
0
0
0
2
15
20
10
1
40
27
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
0
0
0
3
10
30
75
86
41
21
12
26
33
40
75
76
57
63
53
51
58
49
39

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.8
0.9
0
0
0
0
0
0
0.5
0.7
0.2
0.3
0
0
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
2
1
1
1
1
0
0
0
-0
0
1
3
5
5
5
6
6
7
9
9
8
7
6

Dew Point (°C)

4
3
3
2
2
1
1
1
3
3
3
4
5
6
7
8
9
9
9
10
9
9
8
7

Relative Humidity (%)

84
85
86
86
83
83
86
86
94
94
93
90
88
85
85
85
90
93
88
91
83
87
87
91

Pressure (mb)

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

Ozone (du)

464
466
467
470
472
474
477
477
480
486
486
481
476
475
475
475
474
474
473
475
474
472
466
461

Monday 13

Waning Crescent 12%

05:00

16:18

21 Bad
22 OK
23 OK
00 Good
01 OK
02 OK
03 OK
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

Sun - Rise: 06:06, Set: 19:59, Transit: 13:03. Moon - Rise: 05:00, Set: 16:18. Civil Dark: 20:35 - 05:31. Nautical Dark: 21:17 - 04:46. Astro Dark: 22:07 - 03:56

Total Clouds (% Sky Obscured)

19
31
28
8
17
26
42
61
69
84
69
58
54
63
74
85
90
95
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

5
16
19
4
13
24
37
39
37
36
34
31
32
46
59
74
58
43
27
18
9
0
0
0

Medium Clouds (% Sky Obscured)

19
31
28
5
6
4
0
0
0
0
0
0
0
7
15
20
27
31
35
35
39
43
40
36

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
18
37
55
40
25
9
8
6
5
29
54
74
76
74
76
62
59

ISS Passover

Visibility (miles)

7
8
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 (%)

34
8
1
0
0
0
0
0
0
0
0
0
0
11
14
12
13
12
10
9
10
9
10
9

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
3
3
2
2
1
1
-1
-1
-1
0
2
4
7
8
9
11
11
11
11
11
11
12
9

Dew Point (°C)

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

Relative Humidity (%)

93
96
94
96
94
96
96
98
98
98
94
93
88
84
80
75
70
71
72
73
76
77
81
81

Pressure (mb)

1011
1012
1012
1012
1013
1013
1013
1014
1014
1015
1015
1016
1017
1017
1018
1018
1018
1018
1018
1018
1019
1019
1020
1020

Ozone (du)

460
458
456
451
447
445
444
438
430
418
406
399
394
390
386
383
379
375
372
369
367
365
363
361

Tuesday 14

Waning Crescent 6%

05:12

17:41

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 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:04, Set: 20:01, Transit: 13:02. Moon - Rise: 05:12, Set: 17:41. Civil Dark: 20:37 - 05:28. Nautical Dark: 21:19 - 04:43. Astro Dark: 22:10 - 03:53

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
98
97
96
97
99
100
100
100
100
100
100
100
97
95
91
91
91

Low Clouds (% Sky Obscured)

0
20
39
59
70
81
93
89
84
80
83
86
89
92
96
100
100
100
100
83
65
48
51
54

Medium Clouds (% Sky Obscured)

37
37
37
37
47
56
66
73
80
90
96
98
100
78
56
42
42
51
53
56
60
64
71
79

High Clouds (% Sky Obscured)

55
58
62
66
77
89
99
77
49
20
42
70
97
97
97
97
98
99
100
69
36
9
14
34

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

Precipitation Probability (%)

4
24
38
52
57
53
44
28
13
1
15
23
35
42
37
32
33
32
23
29
25
11
11
6

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
81
82
84
85
87
88
90
88
87
87
87
87
87
84
84
81
80
79
76
80
83
87
89

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019

Ozone (du)

358
356
354
352
350
350
350
349
349
350
350
348
347
346
345
344
344
343
343
342
342
342
342
344

Wednesday 15

Waning Crescent 2%

05:24

19:08

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 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 06:02, Set: 20:02, Transit: 13:02. Moon - Rise: 05:24, Set: 19:08. Civil Dark: 20:39 - 05:26. Nautical Dark: 21:22 - 04:41. Astro Dark: 22:12 - 03:49

Total Clouds (% Sky Obscured)

92
94
97
100
100
100
100
100
99
97
97
98
98
98
98
99
89
68
49
59
71
88

Low Clouds (% Sky Obscured)

58
54
50
44
47
55
63
58
53
48
46
44
45
52
61
68
71
68
49
59
55
38

Medium Clouds (% Sky Obscured)

87
77
69
60
71
82
92
75
51
25
25
20
15
10
15
15
15
20
24
39
49
55

High Clouds (% Sky Obscured)

45
66
85
98
79
66
55
42
22
5
20
35
45
50
55
60
47
24
0
4
7
13

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

Fog (%)

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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

1
12
21
23
35
37
36
27
19
4
5
4
0
8
13
17
24
34
45
59
62
64

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
91
91
93
95
95
93
90
88
87
84
83
80
75
72
70
68
64
69
72

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018

Ozone (du)

346
347
348
348
349
354
358
363
364
365
366
367
367
368
371
373
376
375
373
372
371
369

Forecast for Milton Keynes, Milton Keynes, United Kingdom (52.04,-0.76)

Generated: 09/04/26 21:23:01. Forecast: 09/04/26 to 15/04/26. Timezone: UTC+1.00