Clear Outside v1.0 - International Weather Forecasts For Astronomers

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)

68
72
81
85
99
100
100
100
99
98
98
96
100
100
100
100
100
92
99
79
86
98
99
100

Low Clouds (% Sky Obscured)

0
4
5
70
75
79
46
73
83
58
88
87
100
100
96
100
100
84
87
61
79
87
83
82

Medium Clouds (% Sky Obscured)

66
31
43
85
94
85
100
98
93
95
96
37
30
37
38
32
33
19
27
14
43
61
91
99

High Clouds (% Sky Obscured)

65
72
81
85
80
100
100
100
94
0
0
2
52
51
49
100
96
37
85
56
15
38
13
99

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
6
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
2
4
17
20
58
43
61
36
21
16
14
4
0
0
2
0
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

20
20
20
19
19
18
17
16
16
15
15
15
15
15
15
15
15
16
17
18
19
20
21
21

Feels Like (°C)

17
17
17
16
18
16
16
15
15
14
15
15
15
15
15
14
15
15
16
17
19
19
20
20

Dew Point (°C)

3
3
3
3
5
11
12
11
11
12
13
12
12
12
12
12
12
11
12
11
11
10
10
10

Relative Humidity (%)

31
31
32
35
40
62
70
69
70
80
85
84
82
83
83
82
79
74
72
65
57
51
48
50

Pressure (mb)

1017
1017
1017
1017
1016
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1017
1017
1017
1017
1017
1016
1016

Ozone (du)

330
330
328
327
327
327
330
329
331
335
338
333
326
322
321
319
317
316
314
313
309
308
306
305

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)

100
100
99
98
100
100
100
99
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

85
71
55
70
63
66
56
78
73
77
90
100
100
99
100
87
91
71
70
47
38
27
16
6

Medium Clouds (% Sky Obscured)

98
98
98
97
94
96
97
44
100
100
99
100
95
43
28
38
25
19
60
53
42
41
43
82

High Clouds (% Sky Obscured)

100
97
46
18
60
100
71
46
61
75
71
100
100
74
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
2
4
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
4
5
7
9
37
53
60
86
95
95
85
16
6
2
1
4
3
18
6
2
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.2
0.5
0.7
0.7
0.5
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
10
10
9
8
7
7
5
4
5
6
6
6
9
11
11
11
11
11
12
14
15
17
17

Chance of Frost

Temperature (°C)

21
20
19
19
18
18
18
17
17
17
17
17
17
17
17
17
18
18
19
20
21
22
22
22

Feels Like (°C)

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

Dew Point (°C)

13
15
14
13
14
14
14
12
12
11
13
15
15
15
15
15
15
16
16
16
13
11
11
9

Relative Humidity (%)

62
71
69
70
73
77
77
72
71
69
79
86
90
89
83
83
85
85
85
77
57
51
48
42

Pressure (mb)

1017
1016
1016
1016
1015
1015
1015
1015
1014
1013
1013
1012
1011
1011
1010
1010
1009
1009
1010
1009
1009
1009
1009
1009

Ozone (du)

304
305
306
307
305
301
301
300
299
298
299
299
306
312
313
313
315
316
314
312
311
311
311
311

Tuesday 18

Waxing Crescent 36%

14:31

21:44

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 OK
06 Good
07 OK
08 OK
09 OK
10 Bad
11 Bad
12 OK
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
100
100
100
100
100
100
100
94
45
55
59
84
59
19
16
24
17
34
45
53
35
70
79

Low Clouds (% Sky Obscured)

19
15
0
10
0
0
0
0
0
0
2
33
53
20
15
16
22
16
31
38
28
30
64
66

Medium Clouds (% Sky Obscured)

79
61
90
78
69
63
62
65
60
13
31
31
24
17
0
0
3
0
0
24
25
0
9
20

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
86
38
6
0
0
0
0
0
0
0
0
0
0
1
2
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
8
1
0
0
0
0
4
2
1
2
8
11

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)

18
17
17
16
14
12
10
9
7
7
7
7
7
7
8
8
8
11
13
14
14
14
14
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
9
9
9
9
9
9
8
9
10
10
11
11
10
9
10
10
10
10
8
5
4
3
5

Relative Humidity (%)

43
42
46
47
50
53
56
58
64
70
74
78
79
73
71
79
79
70
61
50
39
34
30
34

Pressure (mb)

1009
1008
1008
1008
1008
1008
1009
1009
1008
1008
1008
1007
1007
1007
1006
1006
1006
1006
1006
1006
1006
1005
1005
1005

Ozone (du)

310
308
308
308
308
309
311
314
317
321
324
327
332
338
341
345
348
350
350
350
349
347
345
344

Wednesday 19

Waxing Crescent 46%

No Rise

22:04

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 OK
23 OK
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: 05:50, 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)

86
74
79
75
55
69
59
35
38
50
70
82
93
94
97
100
92
87
59
57
78
100
100
100

Low Clouds (% Sky Obscured)

66
54
54
48
17
36
28
18
29
33
54
48
9
5
20
25
30
35
26
37
60
84
76
70

Medium Clouds (% Sky Obscured)

26
24
25
24
45
68
19
11
7
41
70
82
93
75
62
45
55
24
35
44
49
50
38
32

High Clouds (% Sky Obscured)

36
0
0
0
2
38
3
0
0
0
7
11
15
38
53
55
23
10
0
0
0
0
15
33

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
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

13
20
23
23
25
25
22
19
15
4
24
18
7
9
14
3
5
6
5
26
50
57
58
64

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
13
12
13
8
7
7
6
6
6
6
8
7
7
7
6
6
6
6
7
7
7
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

38
41
36
42
47
48
44
50
52
57
61
62
71
83
86
83
80
75
69
57
49
44
43
52

Pressure (mb)

1005
1005
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1003
1003
1004
1004
1004
1004
1004
1004
1004
1004

Ozone (du)

344
345
348
349
350
352
350
349
349
350
351
350
353
356
356
357
358
358
358
358
358
358
357
358

Thursday 20

First Quarter 56%

15:45

22:30

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: 05:52, Set: 20:15, Transit: 13:03. Moon - Rise: 15:45, Set: 22:30. Civil Dark: 20:53 - 05:14. Nautical Dark: 21:42 - 04:26. Astro Dark: 22:40 - 03:29

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
95
77
90
100
100
94
75
67
61
75
82
92
91
93

Low Clouds (% Sky Obscured)

64
61
58
55
61
69
75
75
74
76
71
46
61
74
76
68
52
35
17
28
39
53
69
84

Medium Clouds (% Sky Obscured)

25
31
37
69
38
38
34
33
29
33
37
42
43
44
44
41
42
39
34
35
37
35
34
29

High Clouds (% Sky Obscured)

50
50
40
40
50
45
45
45
50
45
45
45
50
50
50
45
0
0
0
26
55
83
65
47

ISS Passover

Visibility (miles)

9
9
3
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

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

Precipitation Probability (%)

67
73
76
66
56
51
34
46
48
33
40
41
41
33
24
13
25
23
20
18
15
10
17
22

Precipitation Amount (mm)

0.4
0.4
0.4
0.2
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
10
11
13
13
11
9
8
8
8
9
9
9
10
11
11
10
12
12
12
12
11
11
10

Chance of Frost

Temperature (°C)

18
18
17
17
16
16
15
15
15
14
14
13
13
13
14
14
13
14
15
16
17
18
19
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
64
72
78
75
73
73
74
75
79
82
89
95
95
79
74
72
64
58
51
49
46
43
43

Pressure (mb)

1004
1005
1005
1005
1005
1006
1006
1007
1007
1007
1007
1007
1008
1008
1008
1008
1009
1010
1011
1011
1011
1011
1011
1012

Ozone (du)

358
358
358
358
359
359
359
359
359
360
361
361
361
359
359
359
359
357
355
353
353
353
353
351

Friday 21

Waxing Gibbous 66%

16:52

23:08

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 OK
11 OK
12 OK
13 OK
14 OK

Sun - Rise: 05:54, Set: 20:13, Transit: 13:02. Moon - Rise: 16:52, Set: 23:08. Civil Dark: 20:51 - 05:16. Nautical Dark: 21:39 - 04:28. Astro Dark: 22:36 - 03:32

Total Clouds (% Sky Obscured)

94
97
98
100
99
98
97
97
95
92
88
87
85
80
75
73
62
50
41
45
42
40
46
44

Low Clouds (% Sky Obscured)

94
97
98
98
95
90
85
78
74
70
70
75
75
80
75
73
54
33
13
16
17
17
19
19

Medium Clouds (% Sky Obscured)

28
26
27
19
19
14
13
12
16
20
23
21
20
18
16
14
12
13
16
17
16
14
17
20

High Clouds (% Sky Obscured)

30
47
63
79
50
27
0
6
12
18
12
6
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 (%)

26
35
35
28
28
22
8
8
4
0
1
1
0
3
2
1
1
1
0
0
0
0
1
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
15
15
15
15
12
12
12
11
10
9
9
10
10
9
9
9
10
10
11
10
11
12
17

Dew Point (°C)

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

Relative Humidity (%)

43
43
45
48
51
53
56
60
61
61
62
62
63
64
64
64
64
57
53
48
42
38
33
33

Pressure (mb)

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

Ozone (du)

350
349
348
348
347
348
348
349
349
350
351
351
352
353
353
354
354
354
353
353
351
349
347
348

Saturday 22

Waxing Gibbous 75%

17:47

23:59

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

Sun - Rise: 05:55, Set: 20:11, Transit: 13:02. Moon - Rise: 17:47, Set: 23:59. Civil Dark: 20:49 - 05:18. Nautical Dark: 21:36 - 04:31. Astro Dark: 22:33 - 03:35

Total Clouds (% Sky Obscured)

38
42
44
47
44
41
37
38
44
51
36
24
13
8
4
0
2
5
10
13
17
22

Low Clouds (% Sky Obscured)

21
17
15
13
12
11
9
12
19
29
19
10
0
0
0
0
0
0
0
1
2
3

Medium Clouds (% Sky Obscured)

20
25
31
35
28
21
15
19
22
32
25
13
9
6
3
0
2
4
6
9
10
12

High Clouds (% Sky Obscured)

0
1
1
1
2
4
6
4
2
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

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
2
0
0
0
0
0
0
0
0
1
0
0
3
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
18
17
16
15
13
12
11
11
10
10
10
9
9
9
9
11
14
16
17
18

Feels Like (°C)

17
16
18
20
21
13
12
11
10
10
10
9
9
9
9
9
8
11
12
13
14
15

Dew Point (°C)

1
1
4
6
8
8
7
6
7
7
8
8
8
8
8
8
7
8
7
8
8
7

Relative Humidity (%)

32
32
39
48
58
61
64
68
73
77
83
85
90
93
91
90
88
77
65
57
53
48

Pressure (mb)

1017
1017
1017
1018
1018
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021

Ozone (du)

349
350
350
350
350
351
352
352
352
352
352
352
352
352
350
349
348
347
346
346
343
341

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

Generated: 16/08/26 15:47:01. Forecast: 16/08/26 to 22/08/26. Timezone: UTC+1.00