Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 16

New Moon 1%

04:54

22:43

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 OK
22 Bad

Sun - Rise: 05:11, Set: 20:55, Transit: 13:03. Moon - Rise: 04:54, Set: 22:43. Civil Dark: 21:37 - 04:29. Nautical Dark: 22:34 - 03:31. Astro Dark: 00:01 - 02:00

Total Clouds (% Sky Obscured)

86
90
92
76
72
91
100
100
99
68
100
100
100
100
100
81
89
67
95
100
100
51
28
48

Low Clouds (% Sky Obscured)

86
74
64
69
65
67
70
66
56
51
53
56
59
50
39
24
37
19
82
27
41
36
24
48

Medium Clouds (% Sky Obscured)

48
4
14
23
33
78
97
20
15
20
100
100
100
100
100
73
77
58
71
100
100
51
28
4

High Clouds (% Sky Obscured)

33
57
66
76
72
87
100
100
99
64
100
100
100
100
98
65
86
67
75
39
65
51
1
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
7
5
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 (%)

49
21
0
0
0
0
0
0
0
0
0
0
4
7
28
33
41
38
47
32
9
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
98
98
98
96
98
96
95
91
87
76
67
62
59
59
64
60
68
72
76
78
85
93

Pressure (mb)

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

Ozone (du)

395
394
399
400
403
405
406
408
408
410
413
415
418
422
425
425
424
424
426
428
428
433
436
436

Sunday 17

Waxing Crescent 5%

05:40

No Set

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
22 Bad

Sun - Rise: 05:10, Set: 20:56, Transit: 13:03. Moon - Rise: 05:40, Set: No Set. Civil Dark: 21:38 - 04:27. Nautical Dark: 22:37 - 03:29. Astro Dark: 00:06 - 01:54

Total Clouds (% Sky Obscured)

70
61
74
79
89
100
100
100
95
98
98
93
99
99
98
99
99
99
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

70
55
65
66
74
76
71
68
68
89
94
85
87
76
53
56
67
62
42
51
54
58
71
75

Medium Clouds (% Sky Obscured)

6
58
53
67
80
100
100
100
86
80
83
89
98
95
76
93
98
88
58
85
76
94
99
95

High Clouds (% Sky Obscured)

4
58
55
0
0
0
0
0
0
0
0
0
50
28
58
91
35
35
84
91
98
100
100
91

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
1
4
21
47
49
45
43
23
28
34
52
72
74
75
72
63
63
56
38
14
16
27
30

Precipitation Amount (mm)

0
0
0
0
0.3
0
0
0
0
0
0
0
0.3
0.4
0.4
0.4
0.3
0.4
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
94
96
96
96
98
96
95
90
84
77
79
79
79
77
80
87
89
87
90
91
96

Pressure (mb)

1011
1011
1011
1011
1011
1011
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1011

Ozone (du)

431
430
428
422
416
417
418
415
414
413
406
400
396
395
392
392
388
384
383
379
378
376
375
374

Monday 18

Waxing Crescent 12%

06:46

23:58

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
22 Bad

Sun - Rise: 05:08, Set: 20:58, Transit: 13:03. Moon - Rise: 06:46, Set: 23:58. Civil Dark: 21:40 - 04:26. Nautical Dark: 22:39 - 03:27. Astro Dark: 00:12 - 01:47

Total Clouds (% Sky Obscured)

97
100
100
100
100
100
100
100
100
96
79
97
95
97
66
93
67
69
80
83
92
93
91
90

Low Clouds (% Sky Obscured)

81
88
92
90
100
100
99
100
100
87
37
81
66
80
55
76
40
41
45
43
58
65
72
71

Medium Clouds (% Sky Obscured)

97
100
100
100
100
78
94
24
98
86
79
77
83
18
16
19
36
27
36
36
28
26
25
20

High Clouds (% Sky Obscured)

20
28
100
32
27
23
42
94
86
14
15
0
0
0
0
1
1
0
0
6
10
19
12
15

ISS Passover

Visibility (miles)

9
9
5
1
0
0
0
0
0
7
4
8
6
5
6
6
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

21
67
95
95
95
90
95
72
54
43
49
57
60
73
67
55
51
45
35
36
34
32
23
16

Precipitation Amount (mm)

0
0.2
0.9
1.1
0.7
0.4
0.9
0.3
0.2
0
0.2
0.3
0.3
0.4
0.4
0.2
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
96
98
98
98
98
95
93
87
87
83
87
79
74
67
73
76
80
89
95
95

Pressure (mb)

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

Ozone (du)

373
375
378
377
384
390
386
388
386
385
384
387
389
390
390
391
391
389
385
382
378
374
372
366

Tuesday 19

Waxing Crescent 21%

08:07

00:51

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
22 Bad

Sun - Rise: 05:07, Set: 20:59, Transit: 13:03. Moon - Rise: 08:07, Set: 00:51. Civil Dark: 21:42 - 04:24. Nautical Dark: 22:41 - 03:25. Astro Dark: 00:19 - 01:39

Total Clouds (% Sky Obscured)

88
84
87
89
90
81
76
69
68
70
71
78
84
86
86
86
86
86
87
85
70
56
45
58

Low Clouds (% Sky Obscured)

64
57
59
67
76
65
55
46
46
48
56
61
66
67
72
77
72
65
58
57
53
46
39
42

Medium Clouds (% Sky Obscured)

21
83
78
78
68
28
42
67
42
10
10
33
45
55
62
71
76
44
41
40
21
7
0
15

High Clouds (% Sky Obscured)

10
15
10
10
10
5
10
15
10
4
5
5
5
15
15
15
20
27
24
10
6
3
5
3

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 (%)

7
3
14
19
14
15
13
6
12
13
13
14
16
9
23
25
23
24
24
14
8
5
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
15
15
15
15
15
15
15
15
16
16
16
17
18
18
19
19
17
16
14
11
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
92
95
95
92
92
91
90
87
87
84
84
86
82
75
77
82
79
75
79
80
86
93
95

Pressure (mb)

1012
1012
1012
1013
1013
1013
1014
1014
1015
1016
1016
1017
1017
1017
1018
1018
1019
1019
1019
1020
1020
1021
1022
1022

Ozone (du)

363
361
359
358
358
357
354
355
355
356
354
351
352
352
352
351
351
351
350
349
347
347
347
348

Wednesday 20

Waxing Crescent 31%

09:36

01:27

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
22 Bad

Sun - Rise: 05:06, Set: 21:00, Transit: 13:03. Moon - Rise: 09:36, Set: 01:27. Civil Dark: 21:43 - 04:23. Nautical Dark: 22:43 - 03:23. Astro Dark: 00:27 - 01:30

Total Clouds (% Sky Obscured)

71
84
89
90
91
93
95
98
99
99
100
97
95
92
95
97
100
99
99
98
83
67
54
60

Low Clouds (% Sky Obscured)

47
50
48
43
43
55
67
76
85
92
100
95
90
85
90
95
100
98
95
93
73
53
32
42

Medium Clouds (% Sky Obscured)

35
48
55
67
65
60
68
66
64
59
58
54
47
44
34
26
26
26
26
15
7
4
5
5

High Clouds (% Sky Obscured)

2
5
11
15
33
32
26
29
36
37
24
7
3
5
13
19
35
55
70
70
75
67
54
30

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
0
5
11
20
24
27
34
23
21
14
20
20
23
34
41
48
35
21
2
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
10
10
10
10
10
11
12
13
14
14
15
16
17
17
18
19
18
18
18
17
16
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
95
96
95
95
96
96
95
93
92
90
90
87
81
81
79
79
80
82
86
90
90
93
95

Pressure (mb)

1023
1023
1023
1023
1023
1024
1024
1024
1024
1025
1025
1025
1025
1025
1026
1025
1025
1025
1025
1025
1025
1025
1026
1026

Ozone (du)

350
350
347
345
344
342
340
339
338
337
336
336
336
335
335
335
335
335
336
337
337
338
339
339

Thursday 21

Waxing Crescent 42%

11:03

01:51

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
22 Bad

Sun - Rise: 05:05, Set: 21:02, Transit: 13:03. Moon - Rise: 11:03, Set: 01:51. Civil Dark: 21:45 - 04:21. Nautical Dark: 22:46 - 03:21. Astro Dark: 00:36 - 01:15

Total Clouds (% Sky Obscured)

64
63
68
72
76
78
81
84
80
78
77
67
58
46
58
59
67
68
65
66
76
88
100
85

Low Clouds (% Sky Obscured)

52
58
58
55
52
55
63
69
67
64
60
45
36
27
23
18
12
14
17
18
27
36
44
29

Medium Clouds (% Sky Obscured)

5
4
16
28
40
45
50
54
46
34
21
15
8
2
1
1
1
10
20
30
47
65
85
85

High Clouds (% Sky Obscured)

20
20
18
16
18
13
8
2
5
4
10
10
6
6
19
32
45
46
45
52
67
79
88
82

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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
30

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)

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

Chance of Frost

Temperature (°C)

14
13
12
12
12
12
12
13
13
15
16
18
19
20
22
22
22
23
22
21
21
19
18
17

Feels Like (°C)

16
16
14
11
11
12
11
11
11
13
13
14
14
15
16
21
21
20
21
21
21
18
17
17

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
93
92
92
92
92
92
84
78
73
70
68
66
66
67
67
72
77
81
82
82
82

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023

Ozone (du)

339
339
339
339
338
338
339
340
341
341
341
340
341
341
341
342
342
342
341
340
339
339
339
339

Friday 22

Waxing Crescent 53%

12:26

02:08

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 OK
18 OK

Sun - Rise: 05:03, Set: 21:03, Transit: 13:03. Moon - Rise: 12:26, Set: 02:08. Civil Dark: 21:46 - 04:20. Nautical Dark: 22:48 - 03:19. Astro Dark: 00:51 - N/A

Total Clouds (% Sky Obscured)

71
56
71
85
100
100
100
100
91
81
66
66
67
67
67
63
58
40
26
13

Low Clouds (% Sky Obscured)

15
0
17
33
50
51
52
50
39
30
22
17
14
10
13
16
19
14
7
0

Medium Clouds (% Sky Obscured)

71
56
71
69
69
71
69
72
51
28
1
1
0
0
10
23
48
36
24
10

High Clouds (% Sky Obscured)

71
56
71
85
100
100
100
100
79
56
29
36
43
65
67
63
58
40
26
0

ISS Passover

Visibility (miles)

8
6
4
4
5
5
6
8
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

Precipitation Type

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

Precipitation Probability (%)

41
53
73
84
86
73
57
44
33
20
0
3
0
0
2
4
9
11
11
3

Precipitation Amount (mm)

0
0.3
0.5
0.6
0.6
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
15
15
14
14
13
14
14
15
16
17
19
19
20
21
21
21
21
21
20

Feels Like (°C)

16
16
16
13
14
13
13
13
13
16
16
17
18
18
19
22
22
21
21
21

Dew Point (°C)

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

Relative Humidity (%)

86
89
93
93
95
93
95
95
96
89
83
78
73
70
67
65
65
64
68
72

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1024

Ozone (du)

341
343
345
347
350
352
356
361
365
367
368
369
365
361
357
352
347
341
339
336

Forecast for Marlborough, Wiltshire, United Kingdom (51.42,-1.73)

Generated: 16/05/26 23:40:34. Forecast: 16/05/26 to 22/05/26. Timezone: UTC+1.00