Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 10

Waning Crescent 8%

03:35

20:02

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

Sun - Rise: 05:53, Set: 20:51, Transit: 13:21. Moon - Rise: 03:35, Set: 20:02. Civil Dark: 21:30 - 05:14. Nautical Dark: 22:22 - 04:23. Astro Dark: 23:28 - 03:17

Total Clouds (% Sky Obscured)

21
34
43
47
81
92
83
85
61
39
69
81
41
26
81
83
99
99
100
100
98
47
15
15

Low Clouds (% Sky Obscured)

21
24
25
13
0
0
0
0
0
0
0
0
0
4
0
8
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

7
4
8
9
3
26
40
83
61
6
0
0
0
2
1
2
10
24
32
2
0
0
0
0

High Clouds (% Sky Obscured)

21
34
43
47
81
92
72
84
61
39
69
81
41
26
67
69
98
95
100
100
97
47
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
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

16
18
19
20
19
19
19
19
19
19
18
16
16
16
15
16
16
16
16
15
15
16
18
20

Feels Like (°C)

16
16
17
18
17
17
17
17
17
17
18
16
15
13
13
13
13
13
12
12
12
13
15
19

Dew Point (°C)

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

Relative Humidity (%)

71
64
59
56
57
59
61
63
65
69
78
83
78
70
70
69
67
64
64
64
63
62
57
50

Pressure (mb)

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

Ozone (du)

308
309
311
314
316
317
317
317
317
317
315
315
315
314
314
313
313
313
312
312
312
312
313
313

Tuesday 11

Waning Crescent 2%

05:09

20:29

10 OK
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
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 Good
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 05:55, Set: 20:49, Transit: 13:21. Moon - Rise: 05:09, Set: 20:29. Civil Dark: 21:28 - 05:16. Nautical Dark: 22:19 - 04:25. Astro Dark: 23:24 - 03:21

Total Clouds (% Sky Obscured)

41
70
74
68
81
56
66
55
51
57
36
19
100
99
100
100
100
98
49
9
78
87
60
60

Low Clouds (% Sky Obscured)

0
6
29
24
38
34
30
24
21
30
33
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
32
0
14
28
41
29

High Clouds (% Sky Obscured)

41
70
70
62
72
38
57
46
51
53
22
19
100
99
100
100
100
97
3
8
63
69
3
21

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

Chance of Frost

Temperature (°C)

22
23
24
25
26
26
25
24
23
23
21
20
19
18
18
18
18
18
17
17
16
17
19
22

Feels Like (°C)

22
22
23
24
24
24
24
22
23
23
22
20
19
17
17
17
16
15
15
16
15
16
19
22

Dew Point (°C)

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

Relative Humidity (%)

47
43
40
38
39
40
42
49
54
57
66
68
68
69
65
61
60
59
56
53
50
52
50
44

Pressure (mb)

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

Ozone (du)

313
313
312
312
311
310
310
311
311
312
312
312
312
311
311
310
309
309
310
311
310
309
307
306

Wednesday 12

New Moon 0%

06:41

20:48

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 OK
23 Bad
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 05:56, Set: 20:47, Transit: 13:21. Moon - Rise: 06:41, Set: 20:48. Civil Dark: 21:26 - 05:18. Nautical Dark: 22:17 - 04:27. Astro Dark: 23:21 - 03:25

Total Clouds (% Sky Obscured)

79
88
81
83
87
84
85
62
70
77
69
37
48
63
46
64
84
76
82
89
100
100
80
81

Low 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

Medium Clouds (% Sky Obscured)

29
29
41
40
38
36
30
28
32
26
37
16
27
37
30
42
41
30
28
30
28
33
36
36

High Clouds (% Sky Obscured)

64
74
19
21
56
37
57
2
11
39
10
5
4
0
0
1
64
48
59
73
100
100
80
76

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
1
0
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)

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

Chance of Frost

Temperature (°C)

24
25
27
28
28
28
27
26
26
25
22
21
20
20
20
20
20
20
20
20
19
20
21
23

Feels Like (°C)

24
24
26
28
27
28
27
28
27
27
24
23
22
22
22
22
22
20
21
20
18
18
21
25

Dew Point (°C)

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

Relative Humidity (%)

39
36
33
32
33
35
38
41
44
52
59
61
58
57
58
57
56
55
54
53
52
53
51
43

Pressure (mb)

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

Ozone (du)

305
305
304
303
302
302
303
303
304
304
304
303
303
303
303
303
301
301
301
301
301
301
301
300

Thursday 13

Waxing Crescent 1%

08:08

21:02

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

Sun - Rise: 05:58, Set: 20:45, Transit: 13:21. Moon - Rise: 08:08, Set: 21:02. Civil Dark: 21:24 - 05:19. Nautical Dark: 22:14 - 04:30. Astro Dark: 23:17 - 03:28

Total Clouds (% Sky Obscured)

73
66
59
63
66
75
87
95
100
97
95
92
94
79
81
76
75
77
75
73
70
74
77
83

Low Clouds (% Sky Obscured)

0
0
0
9
18
28
34
43
52
60
69
72
69
63
63
62
65
77
75
73
70
74
77
83

Medium Clouds (% Sky Obscured)

34
31
26
24
22
41
63
77
78
78
79
80
70
22
24
14
7
0
0
0
0
1
3
4

High Clouds (% Sky Obscured)

53
33
14
17
17
15
22
20
25
21
12
6
80
13
13
10
7
0
0
0
0
0
1
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
4
4
9
9
9
9
9
9
9
9
9
8
2
0
0
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
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
1
1
1
6
9
5
6
7
5
14
16
6
5
9
9
20
10
21
21
18
10

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

Chance of Frost

Temperature (°C)

24
24
24
24
23
23
22
22
21
20
20
19
19
18
18
18
18
17
17
18
18
17
17
17

Feels Like (°C)

25
25
25
24
23
24
23
22
22
21
20
19
19
19
20
20
19
19
19
19
18
18
17
16

Dew Point (°C)

10
10
10
11
12
11
14
16
18
18
18
18
18
18
17
17
17
16
17
17
17
17
17
16

Relative Humidity (%)

41
39
39
44
49
47
58
67
80
85
92
95
96
95
93
93
93
95
96
96
98
100
96
93

Pressure (mb)

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

Ozone (du)

300
300
299
300
301
302
303
303
304
305
305
306
307
311
315
318
318
317
314
313
313
314
314
312

Friday 14

Waxing Crescent 5%

09:31

21:14

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

Sun - Rise: 06:00, Set: 20:43, Transit: 13:20. Moon - Rise: 09:31, Set: 21:14. Civil Dark: 21:21 - 05:21. Nautical Dark: 22:11 - 04:32. Astro Dark: 23:13 - 03:31

Total Clouds (% Sky Obscured)

79
69
72
74
68
60
74
87
98
98
99
100
92
85
79
82
87
91
95
97
98
91
82
74

Low Clouds (% Sky Obscured)

65
38
44
51
55
51
44
42
37
50
62
74
65
57
46
52
57
59
54
37
27
25
26
27

Medium Clouds (% Sky Obscured)

7
9
12
8
5
0
1
3
4
5
5
6
9
70
79
82
78
75
83
91
96
61
28
0

High Clouds (% Sky Obscured)

12
3
8
26
31
34
53
75
95
96
97
99
85
76
75
75
75
75
55
20
15
9
4
4

ISS Passover

Visibility (miles)

7
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 (%)

8
10
12
9
7
6
3
2
0
0
0
0
0
3
8
18
15
15
16
13
10
10
10
10

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)

8
9
11
13
13
14
14
13
12
11
9
7
5
4
5
5
5
6
6
7
7
8
9
10

Chance of Frost

Temperature (°C)

17
18
19
19
19
19
19
19
18
18
17
16
16
16
15
15
15
15
14
14
15
14
15
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
71
64
68
70
68
65
64
64
67
74
85
85
86
86
86
86
87
87
89
87
89
82
74

Pressure (mb)

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

Ozone (du)

312
311
310
309
309
308
308
309
309
309
308
308
308
308
308
308
308
308
308
309
311
312
315
318

Saturday 15

Waxing Crescent 10%

No Rise

21:25

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

Sun - Rise: 06:01, Set: 20:41, Transit: 13:20. Moon - Rise: No Rise, Set: 21:25. Civil Dark: 21:19 - 05:23. Nautical Dark: 22:09 - 04:34. Astro Dark: 23:09 - 03:35

Total Clouds (% Sky Obscured)

58
37
24
28
20
21
26
24
23
39
52
71
67
67
68
85
91
98
98
100
100
100
100
100

Low Clouds (% Sky Obscured)

31
35
24
28
20
21
26
22
17
14
10
6
14
23
35
39
40
47
36
26
16
37
59
80

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
2
3
4
3
1
0
10
20
30
40
30
25
24
22
24
50
75
100

High Clouds (% Sky Obscured)

8
8
0
0
0
0
1
2
3
32
52
71
55
58
63
80
87
90
93
97
100
71
50
30

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 (%)

8
7
5
3
1
0
1
2
0
2
4
0
0
0
0
15
24
30
28
25
18
15
12
6

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
11
12
12
12
12
13
11
9
7
5
4
4
4
4
4
4
4
4
4
4
4
3
4

Chance of Frost

Temperature (°C)

17
17
18
18
18
18
18
18
18
17
16
15
14
13
13
13
13
13
13
13
14
14
15
16

Feels Like (°C)

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

Dew Point (°C)

11
11
11
10
10
10
9
10
10
11
10
11
11
11
11
11
11
11
11
11
11
11
11
10

Relative Humidity (%)

68
66
63
60
59
57
56
59
62
65
69
76
83
84
86
87
87
89
87
86
86
84
75
68

Pressure (mb)

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

Ozone (du)

321
322
323
323
322
322
321
319
317
316
312
308
304
303
302
301
301
301
302
304
306
308
311
315

Sunday 16

Waxing Crescent 18%

10:51

21:36

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
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:03, Set: 20:39, Transit: 13:20. Moon - Rise: 10:51, Set: 21:36. Civil Dark: 21:17 - 05:25. Nautical Dark: 22:06 - 04:36. Astro Dark: 23:06 - 03:38

Total Clouds (% Sky Obscured)

99
98
97
98
99
100
100
100
100
87
68
55
71
84
97
96
96
95
94
90
89

Low Clouds (% Sky Obscured)

73
66
59
72
86
90
85
85
80
78
68
55
64
72
68
71
67
66
63
63
61

Medium Clouds (% Sky Obscured)

91
81
72
57
44
25
20
11
11
12
13
17
24
23
26
48
63
73
68
65
70

High Clouds (% Sky Obscured)

31
30
18
43
72
100
100
100
100
83
66
49
69
84
97
72
49
30
30
34
39

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

Precipitation Probability (%)

16
20
21
26
29
29
55
70
79
81
78
72
61
55
60
62
59
51
41
32
21

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
14
15
18
17
16
16
16
16
15
17
17
17
17
17
15
15
15
15
14

Dew Point (°C)

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

Relative Humidity (%)

61
60
58
56
57
57
58
61
64
66
71
77
82
83
83
85
83
81
81
78
77

Pressure (mb)

1018
1018
1017
1017
1017
1016
1016
1015
1015
1015
1015
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013

Ozone (du)

319
318
317
315
316
317
317
319
321
322
321
319
317
317
316
315
314
313
311
309
306

Forecast for Aberystwyth, Ceredigion, United Kingdom (52.42,-4.08)

Generated: 10/08/26 10:53:14. Forecast: 10/08/26 to 16/08/26. Timezone: UTC+1.00