Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 13

Waxing Crescent 1%

06:33

20:51

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

Sun - Rise: 05:50, Set: 20:33, Transit: 13:11. Moon - Rise: 06:33, Set: 20:51. Civil Dark: 21:11 - 05:12. Nautical Dark: 21:59 - 04:25. Astro Dark: 22:59 - 03:27

Total Clouds (% Sky Obscured)

13
19
22
25
28
29
25
12
26
4
0
2
0
0
8
24
5
3
14
6
2
12
29
58

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
7
21
32

Medium Clouds (% Sky Obscured)

13
19
22
25
28
29
22
12
26
4
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
2
0
0
8
23
4
2
12
5
2
0
0
17

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)

4
5
4
4
5
7
9
10
12
14
14
15
14
13
11
11
9
7
6
5
4
4
4
4

Chance of Frost

Temperature (°C)

20
20
21
23
25
28
30
33
34
34
34
34
33
32
31
28
24
22
21
20
20
19
18
18

Feels Like (°C)

20
20
21
23
25
26
29
31
32
31
31
31
30
30
29
26
23
23
22
22
21
21
20
20

Dew Point (°C)

5
5
5
3
1
1
1
3
6
6
6
7
7
8
9
11
15
17
17
16
16
15
15
16

Relative Humidity (%)

38
38
34
27
21
17
15
15
16
17
17
18
19
22
25
35
56
71
75
77
77
80
83
86

Pressure (mb)

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

Ozone (du)

305
304
305
306
305
303
303
303
304
305
304
304
304
304
304
305
305
305
306
305
305
306
307
307

Friday 14

Waxing Crescent 4%

07:59

21:04

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

Sun - Rise: 05:51, Set: 20:31, Transit: 13:11. Moon - Rise: 07:59, Set: 21:04. Civil Dark: 21:09 - 05:14. Nautical Dark: 21:57 - 04:28. Astro Dark: 22:55 - 03:30

Total Clouds (% Sky Obscured)

50
85
42
74
39
52
66
74
84
80
46
66
57
42
71
100
100
100
99
99
73
72
100
91

Low Clouds (% Sky Obscured)

33
38
32
13
4
13
23
27
27
14
3
19
13
2
0
13
13
7
11
17
20
21
27
27

Medium Clouds (% Sky Obscured)

0
0
0
4
12
52
47
11
19
45
27
39
29
26
25
25
11
6
21
11
48
42
38
32

High Clouds (% Sky Obscured)

15
48
20
61
35
28
25
53
73
54
9
13
22
13
63
100
100
100
97
98
73
70
100
90

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
1
2
1
1
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)

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

Chance of Frost

Temperature (°C)

18
17
18
19
21
23
25
27
28
29
29
29
28
28
27
25
24
22
21
20
19
18
17
16

Feels Like (°C)

19
20
18
21
22
23
24
26
27
27
27
28
27
26
26
25
23
21
18
17
16
16
15
13

Dew Point (°C)

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

Relative Humidity (%)

88
90
85
72
60
48
40
34
30
29
29
29
31
35
42
54
66
71
68
67
68
69
68
72

Pressure (mb)

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

Ozone (du)

307
307
308
308
308
309
309
308
308
308
308
308
308
308
308
308
307
308
309
310
310
310
311
312

Saturday 15

Waxing Crescent 10%

09:21

21:16

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

Sun - Rise: 05:53, Set: 20:29, Transit: 13:11. Moon - Rise: 09:21, Set: 21:16. Civil Dark: 21:06 - 05:15. Nautical Dark: 21:54 - 04:30. Astro Dark: 22:52 - 03:33

Total Clouds (% Sky Obscured)

59
47
35
32
27
28
32
30
20
26
35
27
31
44
25
14
0
27
30
99
62
63
55
72

Low Clouds (% Sky Obscured)

29
31
27
21
18
19
21
20
15
19
24
16
17
15
15
8
0
0
2
0
0
0
0
0

Medium Clouds (% Sky Obscured)

4
0
0
0
0
0
0
0
0
0
0
0
0
2
2
0
0
0
0
0
4
8
12
20

High Clouds (% Sky Obscured)

23
25
4
1
0
0
0
0
0
0
0
0
4
18
0
0
0
13
13
99
58
40
20
47

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)

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

Chance of Frost

Temperature (°C)

16
15
15
16
18
19
21
23
24
26
26
26
26
25
24
22
20
18
16
15
14
13
13
12

Feels Like (°C)

14
13
14
15
16
18
19
22
23
25
25
25
24
22
20
19
17
16
13
12
12
13
12
11

Dew Point (°C)

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

Relative Humidity (%)

75
78
75
68
61
55
48
42
38
34
31
29
27
28
35
44
50
51
57
65
73
80
84
89

Pressure (mb)

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

Ozone (du)

313
317
320
321
321
321
321
321
319
318
318
316
317
319
323
321
320
320
320
321
321
320
321
320

Sunday 16

Waxing Crescent 18%

10:40

21:28

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 Bad
19 Bad
20 Bad
21 OK
22 Bad
23 Bad
00 OK
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:54, Set: 20:27, Transit: 13:11. Moon - Rise: 10:40, Set: 21:28. Civil Dark: 21:04 - 05:17. Nautical Dark: 21:52 - 04:32. Astro Dark: 22:49 - 03:36

Total Clouds (% Sky Obscured)

61
100
90
79
68
65
65
29
25
24
20
28
33
68
72
78
39
77
70
40
75
83
100
98

Low Clouds (% Sky Obscured)

3
11
18
18
31
50
12
0
0
0
0
2
3
5
3
2
0
2
3
0
3
0
0
0

Medium Clouds (% Sky Obscured)

27
35
29
17
68
65
53
14
13
12
10
11
15
14
17
24
24
18
17
15
13
9
1
5

High Clouds (% Sky Obscured)

57
100
78
57
35
35
40
2
0
2
2
8
6
26
25
35
2
39
43
12
66
72
100
95

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)

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

Chance of Frost

Temperature (°C)

12
12
13
14
16
18
19
20
22
23
24
24
24
24
23
21
20
18
17
16
16
15
14
14

Feels Like (°C)

10
12
11
12
14
16
17
19
22
23
23
23
22
22
21
19
17
17
15
14
16
13
13
12

Dew Point (°C)

11
11
9
9
9
10
10
10
8
7
6
4
2
1
2
3
4
5
6
6
7
7
7
6

Relative Humidity (%)

89
92
80
70
64
60
55
50
41
35
31
26
23
22
24
30
35
43
46
50
55
57
59
60

Pressure (mb)

1019
1019
1019
1019
1020
1020
1020
1020
1019
1019
1019
1019
1019
1018
1018
1019
1019
1019
1020
1020
1020
1020
1020
1020

Ozone (du)

319
320
321
321
321
322
324
326
327
324
323
323
322
323
322
324
326
325
322
320
316
314
312
310

Monday 17

Waxing Crescent 27%

11:57

21:42

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:56, Set: 20:25, Transit: 13:11. Moon - Rise: 11:57, Set: 21:42. Civil Dark: 21:02 - 05:19. Nautical Dark: 21:49 - 04:34. Astro Dark: 22:45 - 03:39

Total Clouds (% Sky Obscured)

96
93
91
82
88
92
96
100
100
100
100
100
100
100
99
98
98
99
99
100
98
97
96
94

Low Clouds (% Sky Obscured)

0
0
0
0
0
2
3
5
3
2
4
62
77
81
77
76
74
82
90
100
98
96
95
94

Medium Clouds (% Sky Obscured)

11
14
15
15
26
28
63
51
41
48
72
100
100
100
98
97
97
77
54
28
22
14
11
11

High Clouds (% Sky Obscured)

90
83
64
31
26
51
77
100
100
100
100
100
100
88
71
47
23
19
19
15
10
5
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 (%)

0
0
0
0
0
0
0
0
2
8
13
16
20
25
18
22
22
20
15
1
3
4
2
4

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)

2
1
1
3
5
6
8
10
12
13
13
13
12
11
11
12
13
13
13
12
12
12
11
11

Chance of Frost

Temperature (°C)

14
14
14
16
19
21
22
24
25
24
24
23
21
20
19
19
19
18
18
18
18
18
19
19

Feels Like (°C)

12
13
13
15
18
18
19
20
20
19
19
19
18
17
17
17
17
17
17
17
17
17
17
18

Dew Point (°C)

7
7
6
5
4
4
4
5
5
5
7
12
12
13
14
16
16
17
17
17
18
18
18
18

Relative Humidity (%)

61
61
55
47
38
33
31
29
27
28
35
49
55
66
76
80
85
89
90
93
95
96
95
95

Pressure (mb)

1020
1020
1020
1020
1020
1019
1019
1018
1018
1018
1017
1017
1017
1016
1016
1016
1016
1015
1015
1015
1015
1014
1014
1014

Ozone (du)

309
308
308
308
307
303
300
300
300
299
297
297
294
294
293
293
292
291
291
290
290
290
290
291

Tuesday 18

Waxing Crescent 36%

13:14

21:58

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 OK
19 OK
20 OK
21 OK
22 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 OK
04 OK

Sun - Rise: 05:58, Set: 20:23, Transit: 13:10. Moon - Rise: 13:14, Set: 21:58. Civil Dark: 21:00 - 05:21. Nautical Dark: 21:47 - 04:36. Astro Dark: 22:42 - 03:42

Total Clouds (% Sky Obscured)

93
92
92
92
91
90
90
91
90
90
89
70
51
31
33
36
40
42
42
44
42
37
30
39

Low Clouds (% Sky Obscured)

93
92
86
79
71
69
69
67
67
66
65
49
35
25
22
21
19
25
33
42
42
37
30
39

Medium Clouds (% Sky Obscured)

10
10
7
6
1
1
0
0
8
18
24
15
9
3
19
35
40
36
24
15
10
5
0
0

High Clouds (% Sky Obscured)

0
0
30
60
90
85
80
80
64
50
37
25
12
1
1
1
2
2
2
2
2
2
1
9

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 (%)

4
1
1
1
0
5
6
2
2
1
0
0
0
0
0
0
0
1
2
2
9
11
11
9

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)

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

Chance of Frost

Temperature (°C)

19
19
19
20
21
22
23
24
25
25
25
25
25
23
22
21
19
18
17
17
16
16
15
15

Feels Like (°C)

18
18
18
18
19
19
19
20
20
26
24
23
24
24
24
20
20
20
19
17
16
14
13
12

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
85
76
69
63
57
52
51
48
47
51
57
62
69
77
86
86
83
83
78
73
70

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1014
1014
1013
1013
1013
1013
1013

Ozone (du)

291
291
291
292
293
293
294
294
294
294
293
293
293
293
292
293
293
294
294
295
295
297
300
302

Wednesday 19

Waxing Crescent 46%

14:30

22:19

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
23 OK
00 OK

Sun - Rise: 05:59, Set: 20:21, Transit: 13:10. Moon - Rise: 14:30, Set: 22:19. Civil Dark: 20:58 - 05:23. Nautical Dark: 21:44 - 04:38. Astro Dark: 22:38 - 03:44

Total Clouds (% Sky Obscured)

48
59
69
75
80
68
55
45
54
63
75
74
73
70
66
62
56
52
47
40

Low Clouds (% Sky Obscured)

48
52
53
53
54
46
40
37
40
42
43
37
33
27
22
18
15
18
19
23

Medium Clouds (% Sky Obscured)

0
0
0
0
0
2
4
7
9
15
18
21
21
20
18
17
15
10
5
0

High Clouds (% Sky Obscured)

18
27
35
42
44
30
18
6
5
3
1
4
7
10
10
8
11
8
5
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

Fog (%)

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

Precipitation Probability (%)

6
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
14
14
15
16
18
19
20
21
22
22
22
21
21
20
19
17
16
15
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
71
72
66
60
54
47
40
35
33
32
30
33
36
39
47
57
68
75
80

Pressure (mb)

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

Ozone (du)

303
304
305
304
304
304
304
305
305
305
305
305
305
305
305
306
306
306
309
312

Forecast for Stratton Saint Margaret, Swindon, United Kingdom (51.57,-1.76)

Generated: 13/08/26 05:47:20. Forecast: 13/08/26 to 19/08/26. Timezone: UTC+1.00