Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waxing Crescent 27%

12:15

21:48

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:04, Set: 20:41, Transit: 13:22. Moon - Rise: 12:15, Set: 21:48. Civil Dark: 21:20 - 05:26. Nautical Dark: 22:11 - 04:36. Astro Dark: 23:13 - 03:35

Total Clouds (% Sky Obscured)

100
100
80
100
100
99
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

61
68
49
53
48
57
98
100
100
100
100
90
87
88
77
34
58
69
54
32
34
31
52
16

Medium Clouds (% Sky Obscured)

100
93
98
90
98
88
53
71
100
55
36
10
61
65
98
82
62
66
71
81
58
52
28
60

High Clouds (% Sky Obscured)

100
50
51
4
55
53
98
100
57
28
100
100
100
100
100
100
100
100
100
99
100
100
100
100

ISS Passover

Visibility (miles)

-
-
-
-
-
9
9
9
9
9
7
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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
22
9
10
68
74
56
33
31
20
9
6
1
14
5
3
14
4
6
11

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
16
16
16
16
18
18
18
18
17
17
17
18
18
18
18
17
17
17
16
17
17
17
18

Feels Like (°C)

16
15
16
16
15
18
17
17
15
14
14
15
15
17
16
16
14
14
14
14
14
14
15
14

Dew Point (°C)

15
15
15
15
14
15
16
15
15
14
16
17
17
17
17
17
16
15
15
14
14
14
14
13

Relative Humidity (%)

92
92
90
89
88
80
86
85
83
83
92
95
95
95
95
93
92
90
89
86
86
83
79
72

Pressure (mb)

1017
1017
1017
1017
1017
1016
1016
1015
1014
1014
1014
1013
1013
1013
1012
1012
1013
1013
1012
1012
1013
1013
1013
1013

Ozone (du)

300
299
299
303
299
297
297
296
298
299
302
305
306
306
308
310
309
310
311
309
306
305
303
302

Tuesday 18

Waxing Crescent 37%

13:34

22:02

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 OK
10 Bad
11 OK

Sun - Rise: 06:06, Set: 20:39, Transit: 13:22. Moon - Rise: 13:34, Set: 22:02. Civil Dark: 21:18 - 05:28. Nautical Dark: 22:08 - 04:38. Astro Dark: 23:09 - 03:38

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
66
58
56
67
62
62
65
46
29
40
30

Low Clouds (% Sky Obscured)

15
34
43
25
70
38
26
30
23
36
19
35
45
32
49
53
47
62
61
59
42
29
36
20

Medium Clouds (% Sky Obscured)

50
63
60
62
97
93
96
100
100
100
100
96
95
57
44
38
56
50
35
29
20
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
76
98
70
0
0
0
0
0
0
0
0
0
0
1

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

Precipitation Probability (%)

5
15
6
2
1
13
17
27
37
46
57
48
50
45
28
19
10
14
25
26
24
11
7
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
18
19
19
18
18
17
17
17
16
16
16
15
15
15
15
15
15
15
15
15
16
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
71
70
69
67
66
66
67
70
69
73
82
85
86
87
87
87
86
85
80
76
72
66
66

Pressure (mb)

1013
1013
1013
1012
1012
1011
1011
1010
1010
1010
1010
1009
1009
1009
1008
1008
1007
1007
1007
1006
1006
1006
1006
1006

Ozone (du)

302
302
301
299
299
300
301
302
304
306
308
312
316
322
326
331
336
337
336
341
346
346
340
339

Wednesday 19

Waxing Crescent 47%

14:52

22:20

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:08, Set: 20:37, Transit: 13:22. Moon - Rise: 14:52, Set: 22:20. Civil Dark: 21:16 - 05:30. Nautical Dark: 22:05 - 04:41. Astro Dark: 23:05 - 03:42

Total Clouds (% Sky Obscured)

71
86
78
56
85
83
93
76
52
58
35
55
66
62
67
62
76
76
82
100
100
94
97
89

Low Clouds (% Sky Obscured)

29
45
43
18
21
25
79
35
17
35
28
35
52
52
54
50
70
76
67
64
61
63
70
78

Medium Clouds (% Sky Obscured)

31
40
42
56
85
83
88
76
36
33
11
41
32
23
26
18
21
2
25
31
50
39
54
29

High Clouds (% Sky Obscured)

3
3
0
0
0
0
2
1
0
14
0
0
0
0
0
0
0
0
7
70
75
70
4
0

ISS Passover

Visibility (miles)

9
9
8
7
9
9
8
9
7
8
9
9
9
9
8
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
Very Light Rain
None
None
Light Rain
Light Rain
None
None
Very Light Rain
None
None
None
None
None
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

7
24
45
45
44
52
55
51
48
72
69
48
44
52
46
38
39
34
55
68
79
53
42
32

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
18
17
17
17
17
17
17
16
16
16
16
15
15
15
15
14
14
14
14
15
15
15
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
71
74
78
82
79
81
82
82
83
85
83
86
89
90
90
92
92
89
87
84
87
83
77

Pressure (mb)

1005
1005
1005
1004
1004
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1004
1004
1005
1005
1006

Ozone (du)

337
339
340
341
342
343
345
346
347
350
353
353
353
353
354
353
352
351
352
352
352
353
354
353

Thursday 20

First Quarter 56%

16:07

22:47

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

Sun - Rise: 06:10, Set: 20:35, Transit: 13:21. Moon - Rise: 16:07, Set: 22:47. Civil Dark: 21:13 - 05:32. Nautical Dark: 22:02 - 04:43. Astro Dark: 23:01 - 03:45

Total Clouds (% Sky Obscured)

90
80
40
29
36
38
40
45
41
24
34
45
75
78
80
83
84
86
87
89
91
88
74
72

Low Clouds (% Sky Obscured)

83
74
39
28
19
10
2
27
41
6
10
16
60
54
54
54
41
40
60
63
57
54
53
52

Medium Clouds (% Sky Obscured)

13
8
4
0
7
15
22
18
13
9
14
18
23
27
29
31
32
32
33
34
32
30
24
18

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
2
4
3
41
55
55
55
55
55
54
53
46
3
13

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

21
9
9
3
3
2
2
4
5
6
23
23
23
30
43
56
62
65
65
61
55
48
43
35

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

17
17
17
18
17
15
13
12
11
9
8
7
6
6
6
6
6
5
5
5
6
6
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
75
64
60
60
60
61
65
70
76
82
84
83
83
86
86
86
83
83
84
78
68
65
69

Pressure (mb)

1007
1008
1008
1009
1009
1010
1010
1010
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1014
1014
1014

Ozone (du)

353
353
353
353
354
354
355
355
355
354
354
354
355
355
356
356
356
355
355
354
354
354
354
355

Friday 21

Waxing Gibbous 66%

17:14

23:24

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

Sun - Rise: 06:11, Set: 20:33, Transit: 13:21. Moon - Rise: 17:14, Set: 23:24. Civil Dark: 21:11 - 05:33. Nautical Dark: 21:59 - 04:45. Astro Dark: 22:57 - 03:48

Total Clouds (% Sky Obscured)

49
38
32
17
26
11
10
8
5
3
8
19
45
54
55
53
51
13
26
27
26
25
23
22

Low Clouds (% Sky Obscured)

34
27
13
4
5
8
9
6
4
2
7
18
39
41
42
39
36
7
15
21
22
24
23
22

Medium Clouds (% Sky Obscured)

12
10
7
4
2
0
0
0
1
1
1
0
0
0
0
1
1
2
2
0
0
0
0
0

High Clouds (% Sky Obscured)

7
5
21
14
23
1
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
9
9
9
7
7
4
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

43
35
32
20
16
12
7
9
5
8
27
24
13
40
51
51
42
24
23
21
13
4
8
8

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
74
76
76
74
68
65
66
73
83
84
83
79
75
79
81
81
83
83
81
76
71
67
64

Pressure (mb)

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

Ozone (du)

355
355
355
355
355
356
358
358
358
357
356
355
354
355
355
356
355
355
354
353
352
351
350
350

Saturday 22

Waxing Gibbous 75%

18:09

00:16

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

Sun - Rise: 06:13, Set: 20:30, Transit: 13:21. Moon - Rise: 18:09, Set: 00:16. Civil Dark: 21:08 - 05:35. Nautical Dark: 21:57 - 04:47. Astro Dark: 22:54 - 03:51

Total Clouds (% Sky Obscured)

19
15
11
6
4
2
0
1
2
2
11
26
40
42
45
51
57
59
58
50
46
40
34
36

Low Clouds (% Sky Obscured)

19
15
11
6
4
2
0
1
2
2
11
26
34
39
45
51
57
59
58
50
46
40
34
33

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
8
12
6
3
0
0
0

High Clouds (% Sky Obscured)

0
0
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
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 (%)

2
5
4
0
0
0
0
0
0
0
0
0
0
1
4
6
6
8
9
13
19
23
19
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
59
57
55
53
57
62
65
71
79
86
86
83
83
84
86
87
89
89
89
80
74
67
66

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021

Ozone (du)

349
349
349
349
348
349
350
351
351
351
351
350
350
349
347
346
345
344
343
343
342
342
342
341

Sunday 23

Waxing Gibbous 83%

18:50

01:20

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

Sun - Rise: 06:15, Set: 20:28, Transit: 13:21. Moon - Rise: 18:50, Set: 01:20. Civil Dark: 21:06 - 05:37. Nautical Dark: 21:54 - 04:50. Astro Dark: 22:50 - 03:54

Total Clouds (% Sky Obscured)

31
21
12
1
1
0
0
0
0
0
0
0
0
5
9
13
12
12
11
19
26
34
36
40

Low Clouds (% Sky Obscured)

31
21
12
1
1
0
0
0
0
0
0
0
0
5
9
13
12
12
11
13
14
14
12
10

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
16
29
27
40

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
2
1
0
0
0
0
0
0
0
0
0
0
3
3
1
2
5
9
9
7
3
5
5

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
62
61
61
60
62
63
65
71
79
89
89
90
88
90
91
91
88
87
85
72
61
52
50

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

340
339
340
340
340
340
339
339
338
338
338
338
339
339
340
340
340
339
339
338
337
336
335
335

Forecast for Holyhead, Anglesey, United Kingdom (53.30,-4.65)

Generated: 17/08/26 17:52:21. Forecast: 17/08/26 to 23/08/26. Timezone: UTC+1.00