Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 10

Third Quarter 40%

04:03

12:14

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 Good
17 Good
18 Good
19 Good
20 Good

Sun - Rise: 06:07, Set: 19:45, Transit: 12:56. Moon - Rise: 04:03, Set: 12:14. Civil Dark: 20:20 - 05:32. Nautical Dark: 21:01 - 04:50. Astro Dark: 21:48 - 04:02

Total Clouds (% Sky Obscured)

58
68
75
81
100
100
100
100
100
100
100
100
100
100
100
100
100
94
35
5
6
13
13
0

Low Clouds (% Sky Obscured)

41
35
3
0
0
0
0
0
0
39
87
100
98
100
85
84
3
60
23
0
6
13
13
0

Medium Clouds (% Sky Obscured)

58
68
75
81
100
100
100
100
100
98
100
88
100
100
100
98
87
28
0
0
0
0
0
0

High Clouds (% Sky Obscured)

58
68
75
81
100
100
100
100
100
100
100
100
100
99
100
100
100
52
25
5
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 (%)

25
24
5
0
0
0
0
0
0
0
1
25
34
25
8
14
0
0
0
2
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)

9
8
9
9
12
13
14
14
14
14
14
14
15
15
14
20
18
17
18
22
20
18
17
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
77
74
72
68
67
68
67
66
67
73
76
77
87
88
82
73
68
56
57
58
60
61
60

Pressure (mb)

1014
1014
1013
1012
1011
1010
1009
1008
1007
1006
1005
1005
1004
1004
1004
1006
1007
1008
1008
1009
1009
1010
1010
1011

Ozone (du)

341
342
346
347
347
347
345
342
340
339
342
343
343
342
342
343
344
346
350
357
369
376
382
385

Saturday 11

Waning Crescent 30%

04:23

13:31

21 OK
22 OK
23 OK
00 Bad
01 OK
02 OK
03 OK
04 OK
05 Bad
06 Bad
07 OK
08 OK
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: 06:05, Set: 19:47, Transit: 12:56. Moon - Rise: 04:23, Set: 13:31. Civil Dark: 20:22 - 05:30. Nautical Dark: 21:03 - 04:47. Astro Dark: 21:50 - 03:59

Total Clouds (% Sky Obscured)

30
27
29
38
33
35
31
38
44
43
38
38
79
91
99
98
98
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

30
27
29
38
33
35
31
38
44
43
38
38
64
66
70
67
56
67
60
48
52
31
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
16
16
27
57
21
28
27
6
3
3
18
3

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
1
1
0
0
0
0
46
96
80
94
98
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
6
6
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
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
1
0
2
4
4
2
3
5
8
26
40
52
61
53
45
34
27
19
7
1
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
18
20
21
20
19
19
18
17
16
16
16
17
17
18
18
18
17
17
16
14
12
11
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
63
68
74
78
77
78
75
77
77
77
80
73
68
67
66
66
65
66
68
72
75
80
88

Pressure (mb)

1012
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014

Ozone (du)

387
389
389
396
401
399
398
398
402
404
405
408
409
407
405
407
408
408
407
405
405
404
402
402

Sunday 12

Waning Crescent 20%

04:38

14:51

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 OK
20 Good

Sun - Rise: 06:03, Set: 19:48, Transit: 12:56. Moon - Rise: 04:38, Set: 14:51. Civil Dark: 20:23 - 05:28. Nautical Dark: 21:05 - 04:44. Astro Dark: 21:53 - 03:56

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
96
94
94
100
100
94
100
100
96
94
97
93
39
39
60
34
26
1

Low Clouds (% Sky Obscured)

0
13
22
31
36
39
41
44
43
45
0
0
38
72
74
87
89
77
39
39
42
0
0
0

Medium Clouds (% Sky Obscured)

16
88
43
43
46
81
57
58
48
99
100
92
100
100
96
94
88
74
4
4
60
34
26
1

High Clouds (% Sky Obscured)

100
100
100
100
100
100
81
80
80
71
44
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
4
4
9
4
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
3
0
2
8
14
36
36
48
73
87
92
81
73
45
28
38
35
11
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.6
0.7
0.7
0.5
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
90
91
90
90
90
89
89
91
86
85
81
76
76
80
73
70
67
62
64
75
82
91

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1014
1014
1013
1013
1013
1013
1013
1013
1013
1012
1013
1013
1013
1013

Ozone (du)

405
411
411
411
412
417
426
434
447
460
465
468
464
462
461
459
463
468
467
463
460
450
443
440

Monday 13

Waning Crescent 12%

04:52

16:11

21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 OK
05 OK
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: 06:01, Set: 19:50, Transit: 12:55. Moon - Rise: 04:52, Set: 16:11. Civil Dark: 20:25 - 05:25. Nautical Dark: 21:07 - 04:42. Astro Dark: 21:55 - 03:53

Total Clouds (% Sky Obscured)

0
0
0
0
4
7
10
20
30
40
53
71
93
96
98
100
100
99
96
96
100
100
99
97

Low Clouds (% Sky Obscured)

0
0
0
0
3
7
10
7
3
0
4
8
12
16
13
10
22
34
47
64
83
100
89
75

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
6
12
20
27
38
45
62
56
45
44
79
53
57
75
86
94
85

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
11
20
39
60
81
100
91
76
67
46
26
10
26
36

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 (%)

6
4
3
1
0
0
1
2
3
3
2
1
0
3
8
13
20
23
22
12
8
1
6
4

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
96
94
94
94
93
93
91
91
85
81
76
80
84
84
84
80
79
81
90
95
96

Pressure (mb)

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

Ozone (du)

437
433
432
428
424
420
415
411
408
406
404
401
396
390
385
380
373
370
366
362
359
356
353
351

Tuesday 14

Waning Crescent 6%

05:04

17:33

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: 05:58, Set: 19:52, Transit: 12:55. Moon - Rise: 05:04, Set: 17:33. Civil Dark: 20:27 - 05:23. Nautical Dark: 21:09 - 04:39. Astro Dark: 21:58 - 03:50

Total Clouds (% Sky Obscured)

95
97
98
100
100
100
100
97
92
95
97
99
100
97
93
90
82
76
69
77
85
94
96
98

Low Clouds (% Sky Obscured)

58
67
74
82
85
86
86
78
80
85
86
86
85
78
77
70
68
64
61
53
45
38
45
54

Medium Clouds (% Sky Obscured)

73
70
63
55
43
51
50
46
43
43
36
24
8
16
61
35
24
10
2
26
51
76
82
87

High Clouds (% Sky Obscured)

46
63
77
93
67
41
15
24
31
47
67
85
100
68
37
10
6
6
7
5
4
2
35
67

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

Precipitation Probability (%)

3
8
19
24
49
68
81
93
82
55
42
27
5
23
17
15
14
14
13
20
23
22
18
15

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.5
0.7
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
98
98
96
96
96
98
100
96
95
92
86
83
84
79
80
82
85
84
84
87
89

Pressure (mb)

1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

349
349
347
346
345
344
342
343
348
350
350
350
351
354
353
355
356
355
354
353
354
354
355
355

Wednesday 15

Waning Crescent 2%

05:17

18:59

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

Sun - Rise: 05:56, Set: 19:53, Transit: 12:55. Moon - Rise: 05:17, Set: 18:59. Civil Dark: 20:29 - 05:21. Nautical Dark: 21:11 - 04:37. Astro Dark: 22:00 - 03:47

Total Clouds (% Sky Obscured)

100
99
97
95
83
73
62
55
48
43
38
34
29
36
44
53
64
75
87
92
96
100
98
94

Low Clouds (% Sky Obscured)

59
62
71
65
57
49
39
41
42
43
38
33
28
33
38
44
44
43
40
27
13
0
0
0

Medium Clouds (% Sky Obscured)

93
91
88
85
74
63
51
34
15
0
0
0
0
0
0
0
3
12
21
28
34
43
40
39

High Clouds (% Sky Obscured)

97
78
68
65
50
39
29
16
7
0
0
0
0
2
3
5
26
47
68
80
90
100
95
86

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 (%)

14
20
20
15
16
13
1
1
1
0
0
0
0
1
1
1
5
8
8
10
11
13
14
11

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
95
93
90
88
91
91
95
95
96
96
85
79
70
65
60
56
58
62
66
71
78
84
89

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1020
1020
1021
1021
1021
1022
1022
1022
1022
1022
1022
1023
1023

Ozone (du)

354
354
359
364
368
375
382
389
389
388
388
388
388
388
386
384
382
377
373
369
366
362
359
359

Thursday 16

Waning Crescent 0%

05:31

20:29

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: 05:54, Set: 19:55, Transit: 12:55. Moon - Rise: 05:31, Set: 20:29. Civil Dark: 20:31 - 05:19. Nautical Dark: 21:13 - 04:34. Astro Dark: 22:03 - 03:44

Total Clouds (% Sky Obscured)

88
94
97
100
97
94
91
89
86
84
83
82
81
87
93
98
96
95
93
83
71
59

Low Clouds (% Sky Obscured)

0
4
7
11
16
20
25
26
28
28
18
8
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

46
54
58
56
66
80
91
80
67
54
46
34
24
14
6
7
6
5
4
15
28
41

High Clouds (% Sky Obscured)

75
60
53
45
45
50
54
60
68
76
68
66
54
62
66
70
76
85
93
83
71
59

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
None
None
None

Precipitation Probability (%)

2
2
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
96
96
96
96
96
96
96
96
96
94
85
76
70
67
64
61
63
64
65
70
76

Pressure (mb)

1023
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1021
1021
1020
1020
1020

Ozone (du)

360
360
359
357
356
355
354
353
354
355
356
356
356
356
355
355
355
354
353
352
352
352

Forecast for Canterbury, Kent, United Kingdom (51.28,1.08)

Generated: 10/04/26 21:47:43. Forecast: 10/04/26 to 16/04/26. Timezone: UTC+1.00