Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 9

Waning Gibbous 50%

03:42

11:01

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 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:12, Set: 19:46, Transit: 13:00. Moon - Rise: 03:42, Set: 11:01. Civil Dark: 20:20 - 05:38. Nautical Dark: 21:03 - 04:55. Astro Dark: 21:49 - 04:08

Total Clouds (% Sky Obscured)

34
49
60
49
100
100
100
100
100
100
100
100
100
100
100
100
81
65
47
60
59
100
100
100

Low Clouds (% Sky Obscured)

0
49
59
49
31
0
0
0
0
0
0
0
0
0
0
0
0
0
5
0
0
0
29
50

Medium Clouds (% Sky Obscured)

34
49
60
4
6
94
2
0
0
0
72
100
100
100
100
100
81
65
47
28
24
20
33
93

High Clouds (% Sky Obscured)

34
49
50
49
100
100
100
52
99
100
100
100
100
100
100
100
49
53
24
23
11
78
89
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 (%)

41
48
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

15
15
14
14
14
13
12
13
14
13
13
11
10
9
7
7
5
5
4
3
4
6
7
9

Chance of Frost

Temperature (°C)

18
15
13
12
12
11
10
9
8
7
7
7
6
6
5
5
6
6
8
9
10
11
12
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

48
61
56
60
65
63
58
57
55
57
58
60
63
64
65
64
61
57
53
45
40
38
39
41

Pressure (mb)

1016
1016
1016
1017
1018
1019
1020
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1020
1019
1018

Ozone (du)

367
371
379
386
388
390
392
389
383
378
378
373
370
370
368
367
365
361
358
358
356
354
352
352

Friday 10

Third Quarter 40%

04:08

12:16

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
14 Bad
15 Bad

Sun - Rise: 06:10, Set: 19:47, Transit: 13:00. Moon - Rise: 04:08, Set: 12:16. Civil Dark: 20:22 - 05:35. Nautical Dark: 21:05 - 04:52. Astro Dark: 21:52 - 04:05

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
52
75
50

Low Clouds (% Sky Obscured)

24
0
0
0
0
23
4
0
0
0
0
0
16
43
73
79
72
100
100
40
28
40
36
17

Medium Clouds (% Sky Obscured)

100
100
99
96
98
100
100
80
34
32
95
98
24
34
35
36
6
38
48
40
0
0
0
49

High Clouds (% Sky Obscured)

100
93
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
29
61
28

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
3
20
4
0
0
0
0
0
0
0
0
1
6
18
30
16
3
10
34
24

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

0
0
0
1
1
1
1
1
2
3
2
2
2
4
4
5
6
8
9
7
6
5
3
2

Relative Humidity (%)

45
47
48
54
55
57
59
60
67
68
63
62
63
68
72
74
74
80
83
78
80
64
49
48

Pressure (mb)

1018
1017
1017
1016
1015
1015
1013
1013
1011
1010
1009
1007
1006
1005
1004
1004
1003
1003
1003
1004
1005
1006
1006
1006

Ozone (du)

351
349
349
349
347
349
351
352
350
351
353
352
350
348
349
350
349
349
350
352
355
359
363
369

Saturday 11

Waning Crescent 30%

04:27

13:35

16 OK
17 Good
18 Good
19 OK
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 OK
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:08, Set: 19:49, Transit: 12:59. Moon - Rise: 04:27, Set: 13:35. Civil Dark: 20:24 - 05:33. Nautical Dark: 21:07 - 04:50. Astro Dark: 21:54 - 04:02

Total Clouds (% Sky Obscured)

12
1
7
28
44
47
50
44
41
32
28
23
29
37
31
29
33
39
69
84
85
84
84
83

Low Clouds (% Sky Obscured)

0
0
7
28
44
47
50
44
41
31
28
23
29
37
31
29
33
39
43
45
65
64
59
59

Medium Clouds (% Sky Obscured)

12
0
0
0
0
9
16
0
0
0
0
0
0
0
0
0
0
3
67
64
43
70
25
26

High Clouds (% Sky Obscured)

12
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
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 (%)

23
1
0
0
0
2
2
2
1
0
1
1
2
1
2
3
9
24
16
31
41
42
40
34

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
16
15
15
15
15
16
17
17
16
15
14
13
13
12
11
12
14
14
14
14
14
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

41
44
49
53
56
61
68
71
71
74
75
74
74
77
78
78
73
66
59
48
44
47
49
46

Pressure (mb)

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

Ozone (du)

381
390
393
396
400
402
403
405
404
405
407
407
405
404
407
409
412
414
417
421
423
423
420
416

Sunday 12

Waning Crescent 20%

04:42

14:54

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

Sun - Rise: 06:06, Set: 19:51, Transit: 12:59. Moon - Rise: 04:42, Set: 14:54. Civil Dark: 20:26 - 05:31. Nautical Dark: 21:09 - 04:47. Astro Dark: 21:57 - 03:59

Total Clouds (% Sky Obscured)

75
56
33
34
36
33
39
42
44
50
53
51
47
42
34
58
81
77
72
77
100
100
100
100

Low Clouds (% Sky Obscured)

54
47
33
28
14
0
15
30
44
37
36
32
31
33
33
41
48
52
58
70
86
77
72
72

Medium Clouds (% Sky Obscured)

17
9
0
9
20
33
39
42
43
46
40
40
25
21
14
28
72
54
59
62
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
27
61
85
80
75
80

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
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
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

26
23
12
13
12
0
1
1
1
1
1
0
1
2
2
10
16
25
37
54
62
65
69
70

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

36
32
34
38
43
45
49
58
64
67
67
67
66
67
71
72
66
61
54
48
53
50
43
44

Pressure (mb)

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

Ozone (du)

420
425
430
437
441
445
449
454
458
460
463
468
472
471
471
473
474
470
463
463
465
467
468
468

Monday 13

Waning Crescent 12%

04:55

No Set

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

Sun - Rise: 06:04, Set: 19:52, Transit: 12:59. Moon - Rise: 04:55, Set: No Set. Civil Dark: 20:27 - 05:29. Nautical Dark: 21:11 - 04:45. Astro Dark: 21:59 - 03:56

Total Clouds (% Sky Obscured)

78
67
51
52
53
57
39
21
5
18
35
52
66
84
100
71
54
39
35
33
32
36
40
44

Low Clouds (% Sky Obscured)

54
50
48
35
46
52
36
18
0
17
34
51
66
84
100
47
26
5
14
22
31
35
38
38

Medium Clouds (% Sky Obscured)

45
67
51
35
31
40
28
5
5
3
3
3
0
2
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

53
45
25
8
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3

ISS Passover

Visibility (miles)

9
9
2
9
9
8
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

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

Precipitation Probability (%)

66
74
75
51
49
41
29
13
6
2
0
0
0
0
0
7
6
1
20
26
29
26
26
22

Precipitation Amount (mm)

0.2
0.4
0.5
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
9
7
7
4
5
5
4
3
3
3
2
3
3
3
4
4
4
3
2
2
3
3
4

Chance of Frost

Temperature (°C)

11
11
10
10
9
8
8
7
6
6
5
5
4
4
4
4
7
9
10
12
13
14
14
15

Feels Like (°C)

7
7
7
7
7
6
5
5
5
4
5
4
4
4
2
2
4
5
6
7
7
8
14
13

Dew Point (°C)

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

Relative Humidity (%)

47
52
76
87
88
93
91
93
93
93
93
94
96
96
93
93
85
80
74
67
61
54
55
55

Pressure (mb)

1010
1010
1010
1011
1011
1012
1012
1012
1012
1013
1013
1014
1014
1015
1015
1016
1016
1017
1018
1018
1018
1018
1019
1019

Ozone (du)

467
468
472
476
479
477
477
478
474
470
462
453
452
452
434
421
415
409
403
397
390
384
380
376

Tuesday 14

Waning Crescent 6%

05:08

16:14

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

Sun - Rise: 06:02, Set: 19:54, Transit: 12:59. Moon - Rise: 05:08, Set: 16:14. Civil Dark: 20:29 - 05:26. Nautical Dark: 21:13 - 04:42. Astro Dark: 22:02 - 03:53

Total Clouds (% Sky Obscured)

59
73
71
58
58
58
45
28
8
16
23
37
41
45
49
56
70
83
84
92
95
93
89
86

Low Clouds (% Sky Obscured)

37
35
31
19
11
0
1
1
2
1
0
0
2
4
6
4
2
0
2
4
6
11
17
23

Medium Clouds (% Sky Obscured)

1
1
2
5
6
12
10
9
8
7
6
6
8
12
14
12
10
6
10
9
11
18
19
27

High Clouds (% Sky Obscured)

21
42
61
58
58
58
45
26
2
7
17
24
22
23
30
42
51
55
56
57
72
58
46
40

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 (%)

20
18
15
15
12
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
2
4
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)

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

Chance of Frost

Temperature (°C)

15
14
13
12
11
10
9
9
8
7
7
7
6
7
7
7
9
11
13
13
14
15
15
16

Feels Like (°C)

14
13
13
13
10
10
9
9
9
8
6
6
6
6
5
5
5
6
7
8
8
10
12
12

Dew Point (°C)

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

Relative Humidity (%)

56
61
66
71
76
81
85
85
85
84
85
85
87
88
88
88
75
65
57
59
61
65
68
69

Pressure (mb)

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

Ozone (du)

372
368
365
362
360
357
355
353
351
350
348
347
346
346
345
345
346
347
348
348
348
347
347
346

Wednesday 15

Waning Crescent 2%

05:20

17:37

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

Sun - Rise: 05:59, Set: 19:56, Transit: 12:58. Moon - Rise: 05:20, Set: 17:37. Civil Dark: 20:31 - 05:24. Nautical Dark: 21:15 - 04:40. Astro Dark: 22:05 - 03:50

Total Clouds (% Sky Obscured)

90
95
99
100
100
100
100
100
100
92
82
67
59
65
66
67
71
74
64
57
50

Low Clouds (% Sky Obscured)

40
56
73
80
87
92
81
73
64
65
66
63
59
59
51
48
44
45
37
29
23

Medium Clouds (% Sky Obscured)

43
53
63
55
47
39
33
24
29
23
18
13
13
15
20
28
33
39
40
36
27

High Clouds (% Sky Obscured)

37
35
51
54
52
45
18
21
28
39
51
67
59
65
66
67
71
74
61
31
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

Fog (%)

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

Precipitation Probability (%)

8
9
12
15
12
8
19
23
23
28
29
29
29
27
21
23
19
10
10
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

Wind Speed/Direction (mph)

14
13
12
11
9
8
7
7
7
7
6
6
6
6
5
5
7
9
11
12
12

Chance of Frost

Temperature (°C)

16
15
15
14
14
13
12
12
12
12
11
11
10
10
10
10
12
13
14
15
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
77
79
83
87
90
92
89
86
81
84
87
88
88
88
88
79
71
64
59
54

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

346
346
346
346
347
347
347
347
348
348
348
348
349
350
351
352
352
352
353
354
356

Forecast for Wilmington, Kent, United Kingdom (51.43,0.21)

Generated: 09/04/26 16:35:05. Forecast: 09/04/26 to 15/04/26. Timezone: UTC+1.00