Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 12

Waning Crescent 20%

04:49

15:05

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

Sun - Rise: 06:16, Set: 19:59, Transit: 13:08. Moon - Rise: 04:49, Set: 15:05. Civil Dark: 20:34 - 05:42. Nautical Dark: 21:16 - 04:59. Astro Dark: 22:01 - 04:12

Total Clouds (% Sky Obscured)

19
22
33
20
74
76
73
58
49
45
55
56
71
36
26
18
25
26
32
44
47
67
42
37

Low Clouds (% Sky Obscured)

12
5
12
20
13
32
41
54
49
45
55
56
60
36
26
18
25
26
32
35
36
39
42
37

Medium Clouds (% Sky Obscured)

17
22
2
4
33
28
61
47
49
45
49
16
53
29
2
2
1
0
0
8
10
26
6
8

High Clouds (% Sky Obscured)

0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
24
5
3
3
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
28
58
3
8
10
9
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 (%)

1
3
4
2
6
10
10
13
16
16
16
20
28
33
19
15
11
5
3
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)

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

Chance of Frost

Temperature (°C)

6
5
5
5
4
4
3
3
2
2
4
7
9
11
11
11
12
12
12
11
11
10
7
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
88
88
86
86
86
86
88
88
89
82
78
73
67
63
59
58
59
61
62
66
77
87
86

Pressure (mb)

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

Ozone (du)

455
459
467
471
476
479
483
481
480
476
472
471
474
474
469
456
447
444
437
432
427
423
421
417

Monday 13

Waning Crescent 12%

05:03

16:24

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
21 Bad

Sun - Rise: 06:14, Set: 20:01, Transit: 13:08. Moon - Rise: 05:03, Set: 16:24. Civil Dark: 20:36 - 05:39. Nautical Dark: 21:18 - 04:57. Astro Dark: 22:03 - 04:09

Total Clouds (% Sky Obscured)

41
59
74
83
69
85
53
100
100
100
100
98
98
100
100
100
98
93
99
92
93
94
90
96

Low Clouds (% Sky Obscured)

41
42
45
54
32
45
2
0
0
20
67
73
80
100
100
100
85
76
79
66
39
47
12
45

Medium Clouds (% Sky Obscured)

7
17
22
29
19
29
18
25
35
41
56
50
53
74
60
59
46
48
71
58
85
78
90
91

High Clouds (% Sky Obscured)

0
0
0
0
0
4
14
76
92
69
100
29
41
28
33
89
52
1
4
40
19
24
27
44

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
1
4
17
20
23
47
50
36
13
5
9
16
17
16
4
9

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
90
90
90
88
90
91
91
91
88
84
81
85
90
88
91
91
91
95
95
93
95
96

Pressure (mb)

1016
1016
1017
1016
1016
1016
1016
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019

Ozone (du)

415
409
404
400
399
396
393
393
388
384
381
374
371
369
366
364
362
361
360
358
358
356
355
355

Tuesday 14

Waning Crescent 6%

05:16

17:46

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
21 Bad

Sun - Rise: 06:12, Set: 20:03, Transit: 13:07. Moon - Rise: 05:16, Set: 17:46. Civil Dark: 20:37 - 05:37. Nautical Dark: 21:20 - 04:54. Astro Dark: 22:06 - 04:06

Total Clouds (% Sky Obscured)

97
97
100
97
98
100
100
100
100
100
100
100
100
89
100
99
95
95
96
99
84
75
70
65

Low Clouds (% Sky Obscured)

65
94
100
96
91
99
96
100
100
94
100
88
77
72
100
87
53
41
49
87
51
58
65
65

Medium Clouds (% Sky Obscured)

90
91
99
95
92
53
62
88
100
65
51
63
60
29
22
45
44
43
74
45
33
22
11
0

High Clouds (% Sky Obscured)

74
78
100
20
30
78
100
20
15
10
10
5
10
15
25
65
75
75
50
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
8
9
7
6
5
4
4
4
9
4
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

10
12
7
5
16
35
41
47
51
43
25
23
14
13
28
45
34
10
17
45
14
7
3
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
9
8
8
9
10
10
10
10
10
10
10
12
12
14
14
16
16
13
14
14
13
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
98
98
98
96
98
98
96
98
98
98
93
92
90
90
82
87
86
79
84
87
88
95

Pressure (mb)

1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1018
1018

Ozone (du)

353
352
351
348
348
346
345
343
342
340
339
340
342
345
349
357
360
361
366
382
393
392
394
395

Wednesday 15

Waning Crescent 2%

05:30

19:11

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
21 Bad

Sun - Rise: 06:10, Set: 20:04, Transit: 13:07. Moon - Rise: 05:30, Set: 19:11. Civil Dark: 20:39 - 05:35. Nautical Dark: 21:22 - 04:52. Astro Dark: 22:08 - 04:03

Total Clouds (% Sky Obscured)

68
67
59
52
51
49
53
52
50
84
47
44
53
67
100
100
100
100
100
100
100
97
94
91

Low Clouds (% Sky Obscured)

68
67
59
52
51
49
53
52
50
66
47
44
53
38
23
18
12
7
4
2
0
1
2
3

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
1
1
14
27
43
53
59
70
70
86
99
87
74
61

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
1
11
4
4
34
64
100
100
100
100
100
100
100
93
83
73

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 (%)

1
1
0
0
0
2
15
17
15
10
5
11
11
8
4
5
2
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
95
95
96
95
95
91
88
84
83
83
79
75
72
69
68
67
68
69
74
79
83
90
93

Pressure (mb)

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

Ozone (du)

390
385
384
382
383
381
381
380
380
382
384
386
385
381
378
376
377
375
372
370
369
368
366
364

Thursday 16

Waning Crescent 0%

05:45

20:40

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 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 06:08, Set: 20:06, Transit: 13:07. Moon - Rise: 05:45, Set: 20:40. Civil Dark: 20:41 - 05:33. Nautical Dark: 21:24 - 04:49. Astro Dark: 22:11 - 04:00

Total Clouds (% Sky Obscured)

90
91
90
93
96
100
97
94
92
95
97
99
81
63
45
55
60
77
86
93
100
92
83
75

Low Clouds (% Sky Obscured)

17
31
48
57
63
63
63
65
63
51
39
31
19
10
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

64
66
75
55
71
66
81
75
77
60
33
31
35
45
43
29
15
2
24
48
77
70
63
59

High Clouds (% Sky Obscured)

56
30
10
16
21
27
31
35
43
61
79
96
69
42
14
35
57
77
85
89
87
66
46
29

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
2
1
1
2
4
4
1
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
93
93
95
93
93
91
91
88
87
81
80
79
75
69
69
69
68
72
77
83
86
90

Pressure (mb)

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

Ozone (du)

363
361
361
361
360
361
361
360
359
360
361
363
364
362
363
362
362
363
364
369
375
380
382
384

Friday 17

New Moon 2%

06:04

No Set

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
21 Bad

Sun - Rise: 06:06, Set: 20:07, Transit: 13:07. Moon - Rise: 06:04, Set: No Set. Civil Dark: 20:43 - 05:31. Nautical Dark: 21:26 - 04:47. Astro Dark: 22:13 - 03:57

Total Clouds (% Sky Obscured)

72
72
72
89
93
98
97
97
99
99
99
99
100
100
100
100
99
98
83
62
40
43
52
59

Low Clouds (% Sky Obscured)

1
1
1
10
20
30
33
25
35
30
24
22
28
34
45
36
29
24
32
29
33
38
43
48

Medium Clouds (% Sky Obscured)

52
49
48
46
41
27
28
24
12
24
38
56
69
77
80
81
81
82
76
62
40
43
52
59

High Clouds (% Sky Obscured)

24
16
9
35
63
89
89
89
87
62
37
16
44
72
100
95
90
86
60
32
10
8
8
8

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
5
7
8
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
1
1
5
10
13
21
24
14
21
20
12
28
34
34
32
27
18

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
93
93
93
93
93
93
93
92
92
89
87
84
82
82
82
82
84
87
90
90
90

Pressure (mb)

1019
1019
1019
1019
1018
1018
1018
1018
1018
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019

Ozone (du)

387
390
393
396
394
393
391
388
386
383
380
378
375
372
368
365
364
364
364
365
366
368
372
377

Saturday 18

Waxing Crescent 7%

06:31

22:12

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

Sun - Rise: 06:04, Set: 20:09, Transit: 13:06. Moon - Rise: 06:31, Set: 22:12. Civil Dark: 20:44 - 05:28. Nautical Dark: 21:28 - 04:44. Astro Dark: 22:16 - 03:54

Total Clouds (% Sky Obscured)

52
45
38
31
24
14
25
37
49
58
66
75
73
72
71
57
53
45
36
31
27

Low Clouds (% Sky Obscured)

46
43
38
30
23
12
15
20
24
26
28
35
26
14
1
1
1
1
1
1
1

Medium Clouds (% Sky Obscured)

44
22
1
1
1
0
9
18
27
40
54
62
45
30
16
13
11
8
5
2
0

High Clouds (% Sky Obscured)

4
2
0
0
0
0
3
7
16
24
51
65
53
50
65
57
53
45
36
31
12

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 (%)

16
14
10
8
4
0
0
0
0
0
0
0
3
3
1
3
2
1
4
5
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
7
7
6
4
5
5
4
5
5
5
5
6
7
7
8
14
14
14
14
14

Dew Point (°C)

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

Relative Humidity (%)

93
91
93
93
93
93
93
91
91
91
85
81
75
70
64
58
59
58
59
65
72

Pressure (mb)

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

Ozone (du)

381
383
384
386
386
386
386
387
388
389
392
395
398
397
397
396
396
395
395
394
393

Forecast for Swanage, Dorset, United Kingdom (50.61,-1.96)

Generated: 12/04/26 22:00:14. Forecast: 12/04/26 to 18/04/26. Timezone: UTC+1.00