Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 13

Waxing Crescent 4%

07:50

20:47

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

Sun - Rise: 05:40, Set: 20:30, Transit: 13:04. Moon - Rise: 07:50, Set: 20:47. Civil Dark: 21:10 - 05:01. Nautical Dark: 22:01 - 04:10. Astro Dark: 23:07 - 03:06

Total Clouds (% Sky Obscured)

3
10
9
68
63
60
55
56
64
59
4
0
0
11
54
89
100
93
62
100
100
98
92
93

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
19
20
18

Medium Clouds (% Sky Obscured)

3
5
0
0
2
1
0
0
0
0
0
0
0
0
0
0
0
33
32
26
35
53
70
33

High Clouds (% Sky Obscured)

3
9
9
48
36
35
35
37
46
39
2
0
0
11
54
84
100
91
56
100
100
94
74
74

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
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
0
0
0

Wind Speed/Direction (mph)

10
11
11
12
11
10
11
14
14
9
5
6
7
7
7
7
6
7
8
8
8
7
6
2

Chance of Frost

Temperature (°C)

33
32
31
29
28
26
25
25
24
22
21
20
19
19
19
18
19
21
23
25
27
28
29
30

Feels Like (°C)

31
31
29
27
25
24
22
20
19
19
20
20
20
21
20
19
20
21
23
26
26
27
28
30

Dew Point (°C)

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

Relative Humidity (%)

28
28
31
32
38
45
35
28
32
36
44
52
63
70
71
73
68
60
51
44
39
33
30
27

Pressure (mb)

1020
1019
1019
1018
1017
1017
1017
1017
1016
1017
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1016
1016

Ozone (du)

301
300
299
299
300
300
301
301
303
305
304
305
305
307
307
307
307
308
309
309
309
309
308
309

Friday 14

Waxing Crescent 4%

09:13

20:58

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 05:42, Set: 20:28, Transit: 13:04. Moon - Rise: 09:13, Set: 20:58. Civil Dark: 21:08 - 05:03. Nautical Dark: 21:59 - 04:12. Astro Dark: 23:03 - 03:09

Total Clouds (% Sky Obscured)

86
100
100
82
89
88
66
100
100
100
100
100
100
92
90
86
78
67
59
52
55
62
71
59

Low Clouds (% Sky Obscured)

34
35
17
14
50
41
30
33
37
43
35
39
37
43
57
63
77
65
56
48
51
59
66
31

Medium Clouds (% Sky Obscured)

34
44
44
37
32
33
39
50
100
100
88
94
81
81
21
8
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

56
99
96
78
66
79
66
100
100
100
100
100
100
56
50
55
55
0
0
0
0
4
8
57

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
3
3
3
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
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

6
14
12
6
32
48
71
80
66
74
88
76
52
37
8
6
3
4
15
7
3
0
0
1

Precipitation Amount (mm)

0
0
0
0
0
0.4
0.8
0.8
0.2
0.3
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

30
28
27
26
25
24
23
21
21
20
19
19
18
18
17
17
17
17
18
19
21
22
23
24

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

32
42
46
52
61
65
75
75
79
81
86
91
89
89
89
83
79
72
78
78
67
57
54
47

Pressure (mb)

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

Ozone (du)

309
309
308
307
308
308
309
311
312
314
314
315
316
317
319
321
323
324
325
325
322
321
322
321

Saturday 15

Waxing Crescent 10%

10:35

21:08

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

Sun - Rise: 05:43, Set: 20:26, Transit: 13:04. Moon - Rise: 10:35, Set: 21:08. Civil Dark: 21:05 - 05:05. Nautical Dark: 21:56 - 04:15. Astro Dark: 22:59 - 03:13

Total Clouds (% Sky Obscured)

88
78
44
42
29
35
46
33
20
31
60
93
53
70
98
100
53
77
98
47
98
100
78
81

Low Clouds (% Sky Obscured)

52
66
17
14
15
27
37
27
14
24
30
22
12
21
0
2
0
0
0
4
15
18
9
19

Medium Clouds (% Sky Obscured)

0
0
0
0
0
3
3
0
0
0
0
0
0
27
13
47
24
46
25
27
37
53
41
34

High Clouds (% Sky Obscured)

72
29
15
11
3
1
0
20
10
16
60
93
30
24
98
100
27
30
95
12
94
100
75
77

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

Chance of Frost

Temperature (°C)

24
24
23
21
20
18
17
16
15
14
13
13
12
12
11
11
12
14
16
18
20
21
21
22

Feels Like (°C)

26
22
21
19
18
18
18
17
17
16
15
15
13
12
12
11
12
13
16
17
20
20
20
22

Dew Point (°C)

10
13
15
13
12
13
13
13
12
12
11
10
10
10
9
9
9
9
10
9
9
9
7
7

Relative Humidity (%)

41
50
57
57
59
71
79
82
83
86
86
86
87
87
87
88
80
71
65
57
51
46
41
38

Pressure (mb)

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

Ozone (du)

320
319
319
319
320
321
322
326
326
326
325
324
325
325
324
323
322
321
320
320
320
320
321
322

Sunday 16

Waxing Crescent 18%

11:54

21:18

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 05:45, Set: 20:24, Transit: 13:04. Moon - Rise: 11:54, Set: 21:18. Civil Dark: 21:03 - 05:07. Nautical Dark: 21:53 - 04:17. Astro Dark: 22:55 - 03:16

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
99
98
98
99
99
99
99
98
82
74
98
90
98

Low Clouds (% Sky Obscured)

35
33
34
35
41
49
84
72
61
50
21
36
20
27
34
44
51
57
41
63
54
90
87
91

Medium Clouds (% Sky Obscured)

79
86
92
100
98
81
97
93
90
86
90
94
98
98
99
96
98
61
93
62
73
47
42
41

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
52
66
100
90
80
72
71
79
44
27
23
27
31
27
24
20
18

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
4
8
13
25
29
24
20
17
12
7
3
3
6
9
20
20
31
38
37
35
32
34
36

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
20
19
18
17
17
16
15
15
15
15
13
12
12
12
11
12
13
13
14
15
16
15
16

Dew Point (°C)

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

Relative Humidity (%)

38
53
57
68
65
69
72
64
63
62
63
61
62
65
68
74
83
80
73
64
61
53
57
53

Pressure (mb)

1018
1018
1018
1018
1017
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

323
324
324
326
327
328
329
333
335
336
336
338
340
342
343
345
344
344
346
347
347
341
337
333

Monday 17

Waxing Crescent 27%

13:13

21:30

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 05:47, Set: 20:22, Transit: 13:03. Moon - Rise: 13:13, Set: 21:30. Civil Dark: 21:01 - 05:08. Nautical Dark: 21:50 - 04:19. Astro Dark: 22:51 - 03:19

Total Clouds (% Sky Obscured)

97
97
99
98
64
97
96
95
97
99
94
89
85
86
87
88
90
78
64
69
80
89
93
97

Low Clouds (% Sky Obscured)

91
94
97
88
64
65
60
87
92
97
86
73
54
57
37
18
36
61
64
69
80
89
93
94

Medium Clouds (% Sky Obscured)

40
37
38
39
33
32
26
28
54
50
68
56
72
76
67
60
42
34
28
49
71
89
89
87

High Clouds (% Sky Obscured)

14
26
56
84
30
67
55
5
5
45
5
29
50
60
69
83
69
39
8
9
8
10
40
70

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
Very Light Rain
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

42
41
35
30
34
39
39
32
23
1
3
3
1
1
1
1
6
8
6
42
58
65
61
50

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
6
6
5
6
6
6
6
5
4
3
4
6
7
7
8
9
11
12
14
13
12
12
13

Chance of Frost

Temperature (°C)

18
18
18
18
18
17
16
16
17
17
17
17
17
17
17
16
16
17
18
19
20
20
21
21

Feels Like (°C)

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

Dew Point (°C)

7
9
10
10
10
11
12
12
12
11
11
11
12
12
12
12
12
12
12
12
14
16
17
17

Relative Humidity (%)

50
57
59
59
60
67
75
77
72
69
69
69
72
75
74
77
73
70
66
62
69
75
81
79

Pressure (mb)

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

Ozone (du)

330
326
324
320
316
313
311
308
307
306
304
302
301
300
299
299
298
298
297
297
296
295
293
295

Tuesday 18

Waxing Crescent 36%

14:31

21:44

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

Sun - Rise: 05:49, Set: 20:20, Transit: 13:03. Moon - Rise: 14:31, Set: 21:44. Civil Dark: 20:58 - 05:10. Nautical Dark: 21:47 - 04:22. Astro Dark: 22:47 - 03:23

Total Clouds (% Sky Obscured)

100
91
82
73
58
41
22
17
18
19
28
31
37
40
37
32
32
31
31
53
72
92
90
91

Low Clouds (% Sky Obscured)

92
79
66
52
35
19
2
2
1
0
8
13
19
12
11
7
10
11
13
37
60
84
64
46

Medium Clouds (% Sky Obscured)

83
62
38
9
10
8
8
8
9
10
8
4
0
0
0
0
3
5
10
17
22
23
39
54

High Clouds (% Sky Obscured)

100
69
38
7
7
2
0
0
0
0
0
1
2
6
11
15
12
6
1
6
10
22
35
51

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 (%)

32
23
15
5
9
9
1
0
0
0
0
1
0
2
2
1
3
5
6
8
8
5
7
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
18
18
18
17
19
18
17
18
17
17
13
14
14
14
14
13
13
13
14
15
17
17
18

Dew Point (°C)

17
17
15
14
13
13
13
12
13
12
13
13
13
13
13
12
11
11
10
10
9
9
9
7

Relative Humidity (%)

75
72
67
64
60
64
70
75
81
83
89
90
92
95
92
87
83
74
65
58
53
49
46
42

Pressure (mb)

1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012

Ozone (du)

296
298
303
307
312
312
312
313
313
313
313
313
313
313
312
311
311
311
311
312
311
311
310
313

Wednesday 19

Waxing Crescent 46%

No Rise

22:04

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
12 Bad

Sun - Rise: 05:50, Set: 20:18, Transit: 13:03. Moon - Rise: No Rise, Set: 22:04. Civil Dark: 20:56 - 05:12. Nautical Dark: 21:45 - 04:24. Astro Dark: 22:44 - 03:26

Total Clouds (% Sky Obscured)

92
88
84
81
72
62
59
72
85
94
94
95
96
83
70
62
60
62
53
65
75
88

Low Clouds (% Sky Obscured)

26
23
19
14
17
19
21
25
27
23
22
21
25
25
29
41
46
55
53
56
51
43

Medium Clouds (% Sky Obscured)

69
52
34
13
22
31
40
37
33
32
35
30
35
45
55
62
60
60
53
48
47
47

High Clouds (% Sky Obscured)

65
62
40
30
45
60
59
72
77
75
66
61
52
32
14
0
0
1
1
1
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
7
5

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
2
3
3
6
6
2
7
9
10
13
13
12
24
32
39

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
16
16
16
16
16
16
16
14
12
10
11
11
10
10
11
11
9
10
12
12
12

Dew Point (°C)

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

Relative Humidity (%)

38
34
35
36
37
45
55
67
64
60
57
60
63
66
70
73
77
72
68
64
59
54

Pressure (mb)

1012
1012
1012
1012
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

316
318
321
324
327
327
327
328
326
325
324
326
328
330
330
330
330
332
333
335
335
336

Forecast for Boston, Lincolnshire, United Kingdom (52.98,-0.02)

Generated: 13/08/26 15:08:05. Forecast: 13/08/26 to 19/08/26. Timezone: UTC+1.00