Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 13

Waning Crescent 20%

04:38

14:51

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

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: 21:07 - 04:44. Astro Dark: 21:55 - 03:56

Total Clouds (% Sky Obscured)

51
64
72
100
98
100
100
100
100
99
98
99
87
80
79
77
45
38
41
35
22
21
21
24

Low Clouds (% Sky Obscured)

18
23
32
35
30
42
39
67
63
59
55
60
54
80
79
73
45
38
41
35
22
21
21
24

Medium Clouds (% Sky Obscured)

51
64
72
100
84
100
100
100
100
99
98
98
15
7
6
8
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

20
25
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
6
4
5
4
7
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
Very Light Rain
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

3
3
2
22
28
26
28
31
36
46
42
52
57
62
59
57
31
8
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0
0.3
0.3
0.5
0.5
0.5
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
90
88
85
79
73
66
61
58
56
65
68
75
77
84
90
93
93
91
91
91
91
91

Pressure (mb)

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

Ozone (du)

428
432
440
453
459
462
465
467
467
469
468
467
466
470
469
459
454
450
442
437
433
431
428
426

Tuesday 14

Waning Crescent 12%

04:52

16:11

03 OK
04 OK
05 OK
06 Bad
07 Bad
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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 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: 21:09 - 04:42. Astro Dark: 21:58 - 03:53

Total Clouds (% Sky Obscured)

26
25
36
61
39
30
70
80
61
80
85
86
84
92
90
87
97
95
81
94
95
86
92
100

Low Clouds (% Sky Obscured)

26
25
27
34
0
12
36
46
37
27
18
4
7
27
44
64
74
83
63
60
55
37
71
73

Medium Clouds (% Sky Obscured)

0
0
6
19
20
12
15
18
22
24
29
29
28
29
30
29
32
44
23
42
44
47
48
48

High Clouds (% Sky Obscured)

0
0
0
0
0
0
45
75
12
63
71
72
10
39
13
1
1
4
2
10
26
14
68
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
3
4
3
4
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)

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

Chance of Frost

Temperature (°C)

5
4
4
4
5
7
10
12
13
14
14
14
14
14
14
14
13
12
12
12
12
12
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
91
91
85
78
72
64
62
60
60
60
61
62
70
79
75
70
67
67
70
76
90

Pressure (mb)

1017
1017
1018
1018
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1020
1020
1020
1020

Ozone (du)

422
416
410
404
402
399
398
396
393
389
385
383
378
372
368
365
365
362
360
359
357
356
354
355

Wednesday 15

Waning Crescent 6%

05:04

17:33

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

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: 21:11 - 04:39. Astro Dark: 22:00 - 03:50

Total Clouds (% Sky Obscured)

100
100
100
100
100
98
97
99
100
98
100
100
100
100
99
98
88
100
72
59
34
30
32
38

Low Clouds (% Sky Obscured)

58
66
72
72
71
76
78
81
65
69
76
100
96
71
51
41
38
59
48
59
34
30
32
38

Medium Clouds (% Sky Obscured)

88
97
85
88
92
94
91
97
94
96
89
90
100
90
80
20
75
100
10
14
0
0
0
0

High Clouds (% Sky Obscured)

100
99
97
94
100
29
20
20
20
25
93
100
100
100
0
17
0
0
0
0
0
0
0
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
1
6
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

12
13
8
12
12
25
14
14
27
24
22
51
75
47
5
2
4
6
6
2
0
0
0
0

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
8
8
8
8
8
8
8
8
9
9
9
9
9
9
9
9
9
9
9
9
8
7
7

Dew Point (°C)

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

Relative Humidity (%)

93
91
86
84
83
84
86
84
80
82
80
87
92
96
96
93
93
96
96
96
96
96
95
95

Pressure (mb)

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

Ozone (du)

354
353
351
350
350
349
347
345
344
343
342
342
344
348
355
358
363
377
387
389
377
374
375
375

Thursday 16

Waning Crescent 2%

05:17

18:59

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 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: 21:13 - 04:37. Astro Dark: 22:03 - 03:47

Total Clouds (% Sky Obscured)

39
62
71
86
92
95
99
100
100
100
100
100
100
99
92
100
100
100
100
90
82
79
82
84

Low Clouds (% Sky Obscured)

39
45
45
45
52
59
66
60
55
49
54
61
66
52
29
11
8
4
0
0
0
0
6
12

Medium Clouds (% Sky Obscured)

0
5
7
11
9
8
7
16
24
35
40
50
55
70
60
45
48
100
100
87
45
64
39
39

High Clouds (% Sky Obscured)

2
30
46
73
84
92
99
100
100
100
100
95
90
86
88
100
100
100
100
64
41
10
15
15

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
2
3
14
2
2
15
2
12
1
10
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
96
98
98
93
88
84
82
80
75
71
68
67
70
76
86
92
93
95
91
91
90
88

Pressure (mb)

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

Ozone (du)

378
378
383
383
383
383
384
386
386
387
382
378
376
372
369
367
366
365
365
364
364
363
362
361

Friday 17

New Moon 0%

05:31

20:29

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 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: 21:15 - 04:34. Astro Dark: 22:05 - 03:44

Total Clouds (% Sky Obscured)

86
84
82
82
78
73
71
76
83
89
89
90
90
87
85
82
100
100
100
100
100
99
97
95

Low Clouds (% Sky Obscured)

18
28
40
50
49
48
44
38
38
43
40
27
22
13
7
0
2
5
7
19
33
43
43
41

Medium Clouds (% Sky Obscured)

36
30
82
81
77
69
67
72
77
80
79
80
84
85
85
73
66
67
67
64
68
67
69
71

High Clouds (% Sky Obscured)

15
15
10
15
15
15
15
26
33
45
39
37
38
25
15
10
100
99
99
98
97
97
83
70

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
0
0
1
1
1
0
1
1
0
0
1
1
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
87
88
87
83
77
71
68
66
66
68
68
67
67
74
82
83
86
87
87
88
88
88

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1021
1021
1021
1021
1021
1022
1022
1021
1021
1021
1021

Ozone (du)

361
361
361
361
362
361
359
360
361
360
359
359
359
361
361
361
361
360
360
359
358
357
357
356

Saturday 18

Waxing Crescent 2%

05:50

22:02

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 05:52, Set: 19:57, Transit: 12:54. Moon - Rise: 05:50, Set: 22:02. Civil Dark: 20:32 - 05:16. Nautical Dark: 21:17 - 04:32. Astro Dark: 22:08 - 03:41

Total Clouds (% Sky Obscured)

92
95
97
98
98
98
99
95
91
88
92
96
100
95
90
83
87
90
92
86
80
75
61
54

Low Clouds (% Sky Obscured)

37
32
26
20
20
15
13
9
5
2
6
11
11
6
2
1
1
2
2
14
27
47
35
20

Medium Clouds (% Sky Obscured)

73
71
71
70
63
57
46
57
69
83
70
58
49
46
48
50
49
48
47
40
37
35
52
54

High Clouds (% Sky Obscured)

59
70
80
89
91
94
96
79
62
32
42
71
100
95
90
83
87
90
92
67
38
10
15
25

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
0
1
1
4
5
2
10
9
3
15
11
2
4
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
87
85
84
80
74
69
67
64
62
62
63
62
68
74
80
83
86
87
87
85
85
84

Pressure (mb)

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

Ozone (du)

355
354
355
357
358
360
362
364
366
368
370
370
371
371
371
370
370
369
368
366
366
366
366
368

Sunday 19

Waxing Crescent 6%

06:15

23:34

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

Sun - Rise: 05:50, Set: 19:58, Transit: 12:54. Moon - Rise: 06:15, Set: 23:34. Civil Dark: 20:34 - 05:14. Nautical Dark: 21:19 - 04:29. Astro Dark: 22:11 - 03:38

Total Clouds (% Sky Obscured)

47
46
41
20
34
51
71
78
85
90
86
82
79
80
83
86
88
90
90
85
80
70

Low Clouds (% Sky Obscured)

4
3
1
0
23
45
68
62
61
57
42
24
5
9
13
12
22
35
45
42
35
27

Medium Clouds (% Sky Obscured)

47
46
41
20
34
50
55
70
85
90
86
82
79
80
83
83
81
76
76
53
27
8

High Clouds (% Sky Obscured)

30
46
40
20
34
45
40
30
30
35
38
45
47
38
33
24
23
26
30
22
15
8

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 (%)

0
0
0
0
0
0
0
0
0
0
1
2
1
6
10
0
2
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
81
82
82
84
81
77
73
71
70
69
70
70
70
75
79
84
87
88
91
91
93

Pressure (mb)

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

Ozone (du)

369
370
372
373
374
377
379
382
383
385
387
388
389
389
390
391
392
392
393
394
394
394

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

Generated: 13/04/26 03:19:01. Forecast: 13/04/26 to 19/04/26. Timezone: UTC+1.00