Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 11

Waning Crescent 30%

04:39

13:53

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

Sun - Rise: 06:24, Set: 20:03, Transit: 13:14. Moon - Rise: 04:39, Set: 13:53. Civil Dark: 20:37 - 05:50. Nautical Dark: 21:19 - 05:08. Astro Dark: 22:05 - 04:21

Total Clouds (% Sky Obscured)

72
85
72
35
32
28
26
40
45
48
44
44
43
46
49
38
54
56
74
91
90
92
89
80

Low Clouds (% Sky Obscured)

16
25
22
25
26
28
26
40
45
48
44
44
43
46
49
38
54
43
63
71
78
80
69
69

Medium Clouds (% Sky Obscured)

72
46
0
0
0
0
2
1
0
0
1
2
3
1
0
0
0
16
25
56
37
66
33
26

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
4
4
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
6
5
5
6
7
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
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

65
42
15
7
7
13
18
23
16
26
16
11
7
7
6
7
13
50
78
83
87
83
78
61

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.7
0.8
0.8
0.8
0.5

Wind Speed/Direction (mph)

23
22
22
20
19
19
19
18
17
17
17
15
14
14
13
13
16
16
16
15
14
13
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
77
75
75
73
73
77
74
73
70
75
79
82
84
84
81
77
68
68
70
68
68
67
67

Pressure (mb)

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

Ozone (du)

417
424
439
441
428
417
414
414
414
415
418
420
420
419
420
423
424
428
434
439
442
450
450
452

Sunday 12

Waning Crescent 20%

04:56

15:11

17 Bad
18 Bad
19 OK
20 Good
21 OK
22 OK
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

Sun - Rise: 06:22, Set: 20:04, Transit: 13:14. Moon - Rise: 04:56, Set: 15:11. Civil Dark: 20:39 - 05:48. Nautical Dark: 21:21 - 05:05. Astro Dark: 22:08 - 04:18

Total Clouds (% Sky Obscured)

55
46
25
2
23
23
32
45
71
82
87
85
91
100
95
74
37
49
30
67
79
66
68
93

Low Clouds (% Sky Obscured)

55
46
25
0
23
23
32
45
49
58
60
64
87
97
93
74
37
49
23
66
36
33
43
66

Medium Clouds (% Sky Obscured)

3
0
0
2
2
1
2
6
45
51
61
78
55
60
48
19
3
1
1
2
50
42
41
70

High Clouds (% Sky Obscured)

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

Fog (%)

0
0
0
0
0
0
0
0
0
1
0
91
91
99
96
98
97
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
Light Rain
Light Rain

Precipitation Probability (%)

31
4
1
2
1
3
3
2
3
4
9
10
8
8
5
12
32
43
48
53
52
58
70
73

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0.3
0.6
0.7

Wind Speed/Direction (mph)

11
9
7
4
2
1
1
1
1
1
1
1
1
1
2
2
3
5
5
5
7
7
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
8
8
6
6
5
4
3
3
1
1
1
0
1
0
3
4
7
9
9
9
10
9
9

Dew Point (°C)

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

Relative Humidity (%)

67
71
76
82
83
83
83
85
83
85
86
86
88
88
86
85
78
73
71
68
63
61
63
67

Pressure (mb)

1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

456
458
460
462
465
472
475
478
484
484
486
485
483
477
472
471
474
473
466
459
452
443
436
430

Monday 13

Waning Crescent 12%

05:10

16:31

17 Bad
18 Bad
19 OK
20 OK
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

Sun - Rise: 06:20, Set: 20:06, Transit: 13:14. Moon - Rise: 05:10, Set: 16:31. Civil Dark: 20:40 - 05:45. Nautical Dark: 21:23 - 05:03. Astro Dark: 22:10 - 04:15

Total Clouds (% Sky Obscured)

72
52
29
21
34
42
45
67
56
58
54
55
93
91
77
84
84
71
95
99
99
100
100
100

Low Clouds (% Sky Obscured)

68
52
29
19
34
42
41
59
53
50
47
55
69
55
53
40
44
43
67
75
84
92
100
98

Medium Clouds (% Sky Obscured)

27
3
0
0
0
1
6
12
5
9
3
5
27
28
63
59
55
59
73
82
80
59
51
55

High Clouds (% Sky Obscured)

0
0
0
2
2
1
1
0
1
0
0
10
61
41
77
20
27
7
9
1
2
4
15
43

ISS Passover

Visibility (miles)

4
7
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
29
29
100
99
100
97
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

67
43
15
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
2
7
10
16
24
27

Precipitation Amount (mm)

0.7
0.3
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
5
3
2
2
2
1
1
1
1
1
2
2
2
2
4
9
13
15
14
14
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
77
82
85
87
86
86
86
85
86
88
88
89
89
91
88
87
77
75
76
84
85
85
85

Pressure (mb)

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

Ozone (du)

425
424
420
413
409
403
400
398
396
393
390
386
381
377
375
371
368
366
364
362
359
357
354
353

Tuesday 14

Waning Crescent 6%

05:23

No Set

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
16 OK

Sun - Rise: 06:18, Set: 20:07, Transit: 13:14. Moon - Rise: 05:23, Set: No Set. Civil Dark: 20:42 - 05:43. Nautical Dark: 21:25 - 05:00. Astro Dark: 22:13 - 04:12

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
99
98
98
98
98
99
99
100
100
99
99
100
100
100
88
74
58
37

Low Clouds (% Sky Obscured)

96
93
91
89
89
90
92
94
94
94
95
94
93
93
95
97
99
89
78
71
68
63
54
32

Medium Clouds (% Sky Obscured)

86
84
86
75
71
78
46
38
30
20
14
22
26
34
39
39
41
48
91
94
82
67
43
4

High Clouds (% Sky Obscured)

74
100
100
100
100
77
53
30
25
30
35
53
76
99
46
21
0
20
41
61
41
19
0
0

ISS Passover

Visibility (miles)

9
9
5
0
0
0
0
0
0
3
9
9
9
2
0
3
9
9
9
9
3
7
9
9

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
None
None
None

Precipitation Probability (%)

20
16
8
10
6
11
16
20
15
13
5
9
11
2
6
13
14
40
51
62
74
28
13
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
95
96
98
98
98
98
98
98
98
96
98
98
100
100
96
89
84
86
83
92
95
90
77

Pressure (mb)

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

Ozone (du)

351
350
348
345
343
342
340
340
339
338
339
340
343
350
361
361
358
356
354
355
353
355
357
362

Wednesday 15

Waning Crescent 2%

05:36

17:52

17 OK
18 OK
19 OK
20 Bad
21 Bad
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

Sun - Rise: 06:16, Set: 20:09, Transit: 13:13. Moon - Rise: 05:36, Set: 17:52. Civil Dark: 20:44 - 05:41. Nautical Dark: 21:27 - 04:58. Astro Dark: 22:15 - 04:09

Total Clouds (% Sky Obscured)

38
35
37
41
47
44
42
41
49
62
73
82
89
100
97
97
96
95
92
90
90
91
93
80

Low Clouds (% Sky Obscured)

34
32
35
39
45
42
39
36
44
50
58
59
59
59
55
58
63
62
61
60
62
63
66
58

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
0
0
8
13
16
18
36
55
65
75
83
79
82
78
67

High Clouds (% Sky Obscured)

0
0
0
0
0
3
6
15
18
30
40
63
74
100
82
73
63
53
52
57
66
67
69
42

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 (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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 (%)

4
2
2
3
0
1
0
1
1
2
1
3
5
2
13
16
18
22
23
24
26
28
26
25

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
75
79
88
93
95
95
96
95
95
91
90
91
90
95
90
84
80
75
71
67
67
67
68

Pressure (mb)

1015
1015
1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1020
1020
1020
1020
1020
1019
1019

Ozone (du)

369
371
371
373
373
375
378
379
381
378
377
375
374
373
374
375
376
377
379
381
383
384
385
386

Thursday 16

Waning Crescent 0%

05:51

19:17

17 Bad
18 Bad
19 Bad
20 OK
21 OK
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

Sun - Rise: 06:14, Set: 20:11, Transit: 13:13. Moon - Rise: 05:51, Set: 19:17. Civil Dark: 20:46 - 05:39. Nautical Dark: 21:29 - 04:55. Astro Dark: 22:18 - 04:06

Total Clouds (% Sky Obscured)

66
51
46
39
31
53
74
92
92
94
97
95
93
92
90
88
85
88
92
94
96
98
100
98

Low Clouds (% Sky Obscured)

50
42
28
15
1
14
26
39
35
26
23
26
34
36
48
59
71
78
83
89
87
83
79
74

Medium Clouds (% Sky Obscured)

50
32
28
27
28
33
39
53
46
37
26
34
45
67
69
72
73
72
71
70
70
75
80
75

High Clouds (% Sky Obscured)

21
0
0
0
0
25
50
75
73
70
68
63
60
55
55
54
52
39
29
19
46
72
98
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 (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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
18
15
9
2
3
2
0
1
0
0
0
1
1
4
8
9
17
20
19
16
15
11
13

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
76
81
84
88
93
93
93
94
95
96
96
98
98
100
95
90
86
83
80
79
76
74
70

Pressure (mb)

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

Ozone (du)

385
384
384
382
381
379
377
376
374
374
375
375
377
379
381
382
384
385
385
384
384
385
387
388

Friday 17

New Moon 2%

06:10

20:46

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: 06:12, Set: 20:12, Transit: 13:13. Moon - Rise: 06:10, Set: 20:46. Civil Dark: 20:47 - 05:37. Nautical Dark: 21:31 - 04:53. Astro Dark: 22:20 - 04:03

Total Clouds (% Sky Obscured)

97
95
88
82
76
77
77
77
83
89
95
90
85
84
83
88
88
92
94
96

Low Clouds (% Sky Obscured)

70
66
66
66
65
58
55
51
62
68
70
59
47
38
32
26
25
36
48
59

Medium Clouds (% Sky Obscured)

67
59
47
35
22
19
22
26
35
44
53
44
37
26
24
25
23
41
60
80

High Clouds (% Sky Obscured)

75
63
58
49
39
31
21
10
10
10
5
10
10
10
35
65
80
88
82
75

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

14
13
23
28
30
26
22
10
36
45
47
59
57
39
29
16
0
7
10
13

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
12
11
9
7
5
4
4
3
3
2
2
2
2
3
4
6
8
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
80
86
88
91
93
95
93
93
93
93
93
93
93
93
87
83
77
73
70

Pressure (mb)

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

Ozone (du)

391
393
396
397
397
398
396
394
393
392
392
391
390
389
388
387
386
385
384
383

Welcome to Clear Outside

Forecast for Alphington, Devon, United Kingdom (50.70,-3.52)

Generated: 11/04/26 16:57:16. Forecast: 11/04/26 to 17/04/26. Timezone: UTC+1.00