Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waxing Crescent 25%

13:10

21:38

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
15 Bad
16 Bad

Sun - Rise: 05:54, Set: 20:21, Transit: 13:06. Moon - Rise: 13:10, Set: 21:38. Civil Dark: 20:58 - 05:17. Nautical Dark: 21:45 - 04:30. Astro Dark: 22:40 - 03:35

Total Clouds (% Sky Obscured)

70
76
73
79
84
71
71
85
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

19
2
73
42
23
14
32
40
39
39
67
85
87
82
68
59
54
34
29
21
19
12
18
11

Medium Clouds (% Sky Obscured)

70
76
73
73
39
14
19
36
49
67
95
90
75
88
63
83
96
88
98
91
100
86
90
91

High Clouds (% Sky Obscured)

55
0
0
11
52
65
28
20
100
89
93
100
100
89
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
9
7
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
0
0
0
0
0
6
18
40
39
38
22
18
3
13
6
5
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

16
15
15
15
14
14
13
13
13
13
13
13
15
16
17
17
15
14
13
11
9
8
7
7

Relative Humidity (%)

55
56
56
61
64
69
65
72
72
76
77
72
83
89
90
86
70
64
54
45
41
37
34
33

Pressure (mb)

1015
1015
1014
1014
1015
1015
1015
1015
1014
1014
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011

Ozone (du)

301
304
304
299
299
298
297
299
301
301
302
303
302
304
304
304
303
303
303
302
301
301
300
299

Tuesday 18

Waxing Crescent 36%

14:25

21:54

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
15 Bad
16 Bad

Sun - Rise: 05:55, Set: 20:19, Transit: 13:06. Moon - Rise: 14:25, Set: 21:54. Civil Dark: 20:55 - 05:19. Nautical Dark: 21:42 - 04:32. Astro Dark: 22:37 - 03:38

Total Clouds (% Sky Obscured)

100
98
96
98
96
100
98
98
100
100
100
100
100
100
99
97
87
55
63
76
73
62
81
81

Low Clouds (% Sky Obscured)

20
18
13
14
17
19
67
71
69
66
69
79
93
85
30
28
35
25
27
61
66
56
74
77

Medium Clouds (% Sky Obscured)

89
94
88
98
96
100
98
97
100
100
100
100
42
45
43
28
32
20
37
29
25
22
27
23

High Clouds (% Sky Obscured)

100
81
75
76
74
36
0
37
49
51
100
100
100
81
99
96
86
10
1
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
6
9
6
9
9
9
9
9
5
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
1
14
48
65
72
88
95
65
29
5
2
2
17
25
16
5
10
16

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0.4
0.6
0.8
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

33
36
41
51
54
61
64
61
64
71
80
87
89
90
89
80
68
54
45
44
47
40
43
48

Pressure (mb)

1010
1010
1010
1010
1011
1011
1011
1011
1010
1010
1009
1009
1009
1008
1008
1008
1008
1008
1007
1007
1006
1006
1005
1005

Ozone (du)

299
297
296
295
296
296
297
297
297
298
297
301
307
311
314
318
321
322
322
323
327
326
327
328

Wednesday 19

Waxing Crescent 46%

15:38

22:15

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

Sun - Rise: 05:57, Set: 20:16, Transit: 13:06. Moon - Rise: 15:38, Set: 22:15. Civil Dark: 20:53 - 05:20. Nautical Dark: 21:39 - 04:34. Astro Dark: 22:34 - 03:41

Total Clouds (% Sky Obscured)

62
49
50
12
0
4
7
4
28
9
37
68
55
72
76
69
63
51
53
80
86
84
81
76

Low Clouds (% Sky Obscured)

51
49
36
12
0
1
7
4
21
2
23
32
40
49
52
50
45
21
40
71
81
80
75
67

Medium Clouds (% Sky Obscured)

14
0
15
0
0
1
0
0
9
3
11
26
11
28
30
19
13
25
7
8
13
17
25
23

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
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 (%)

11
16
5
2
1
0
0
0
0
0
0
0
1
1
1
1
3
24
46
25
34
42
47
41

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
19
17
15
15
15
14
13
14
13
12
12
11
12
12
13
15
17
18
18
18
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

51
44
45
46
50
63
75
83
90
95
95
96
96
96
92
78
64
52
42
36
36
42
41
40

Pressure (mb)

1005
1005
1005
1005
1006
1006
1006
1006
1006
1006
1006
1006
1005
1005
1005
1006
1006
1006
1006
1006
1006
1006
1006
1006

Ozone (du)

326
328
331
333
333
334
334
338
335
334
333
333
334
336
336
337
338
337
336
335
334
333
333
333

Thursday 20

First Quarter 56%

16:43

22:44

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

Sun - Rise: 05:58, Set: 20:14, Transit: 13:05. Moon - Rise: 16:43, Set: 22:44. Civil Dark: 20:51 - 05:22. Nautical Dark: 21:37 - 04:36. Astro Dark: 22:30 - 03:44

Total Clouds (% Sky Obscured)

81
81
68
51
37
49
57
75
76
83
87
92
97
100
100
100
100
100
99
96
98
80
80
75

Low Clouds (% Sky Obscured)

77
76
68
51
37
49
52
65
58
72
80
80
82
83
87
91
95
93
90
83
77
40
46
40

Medium Clouds (% Sky Obscured)

17
14
9
4
0
3
14
19
49
39
52
77
91
95
67
51
38
34
32
27
65
62
26
28

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
2
2
25
44
61
67
66
60
60
60
55
50
45
45
45

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
7
8
7
7
4
6
9
9
9
9
9
8
4
7
4
6

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

Precipitation Probability (%)

34
24
30
28
15
28
30
23
36
48
52
57
53
35
24
18
22
20
43
52
54
59
58
50

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

39
40
42
58
62
65
69
78
84
86
87
89
90
90
90
86
82
78
68
57
59
59
54
50

Pressure (mb)

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

Ozone (du)

334
335
334
334
335
334
334
335
336
336
338
339
340
340
341
340
339
339
341
342
343
343
343
343

Friday 21

Waxing Gibbous 66%

No Rise

23:23

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

Sun - Rise: 06:00, Set: 20:12, Transit: 13:05. Moon - Rise: No Rise, Set: 23:23. Civil Dark: 20:49 - 05:24. Nautical Dark: 21:34 - 04:38. Astro Dark: 22:27 - 03:46

Total Clouds (% Sky Obscured)

100
99
82
47
40
40
40
38
41
35
41
56
65
76
98
99
100
100
100
100
94
89
85
88

Low Clouds (% Sky Obscured)

71
68
60
27
22
24
20
19
16
13
8
13
21
35
33
38
43
43
43
42
42
41
33
29

Medium Clouds (% Sky Obscured)

23
17
11
4
0
0
0
0
2
5
8
12
15
15
12
28
47
43
44
40
27
25
24
20

High Clouds (% Sky Obscured)

45
45
33
18
0
0
0
0
17
8
34
50
55
55
95
98
100
100
100
100
79
58
37
57

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 (%)

32
18
20
17
9
10
7
0
0
0
0
0
0
0
0
0
0
2
2
1
4
4
2
3

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
8
7
7
7
7
8
7
7
7
8
8
8
7
6
6
5
5
4
3
3
2
1

Relative Humidity (%)

48
53
52
55
58
63
68
71
72
73
76
80
83
81
75
64
55
48
42
38
34
31
29
27

Pressure (mb)

1012
1013
1013
1014
1014
1015
1015
1016
1016
1016
1016
1016
1017
1017
1018
1017
1017
1017
1017
1017
1017
1016
1016
1016

Ozone (du)

343
344
343
342
342
343
344
341
337
334
334
334
334
333
333
334
335
336
338
340
342
341
339
338

Saturday 22

Waxing Gibbous 75%

17:38

00:14

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 OK
13 OK
14 OK
15 OK
16 OK

Sun - Rise: 06:02, Set: 20:10, Transit: 13:05. Moon - Rise: 17:38, Set: 00:14. Civil Dark: 20:46 - 05:26. Nautical Dark: 21:32 - 04:41. Astro Dark: 22:24 - 03:49

Total Clouds (% Sky Obscured)

90
93
95
97
100
98
96
96
92
87
86
89
88
87
80
72
66
58
50
40
37
32
27
34

Low Clouds (% Sky Obscured)

28
23
36
52
72
50
27
5
3
1
0
0
0
0
6
13
21
20
18
16
10
4
0
0

Medium Clouds (% Sky Obscured)

8
4
0
3
5
20
37
52
44
38
24
25
25
26
24
17
9
8
7
6
8
9
12
13

High Clouds (% Sky Obscured)

78
93
95
97
100
98
96
94
87
79
62
55
57
64
58
53
47
37
25
18
12
6
0
6

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
18
18
17
17
17
17
17
17
11
12
12
12
11
11
13
13
12
13
14
14
21
20
20

Dew Point (°C)

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

Relative Humidity (%)

28
29
31
33
35
37
47
59
74
76
79
81
79
76
75
63
53
45
40
35
30
29
27
25

Pressure (mb)

1016
1016
1016
1016
1017
1017
1017
1017
1018
1018
1017
1017
1017
1018
1018
1018
1018
1018
1017
1017
1017
1016
1016
1016

Ozone (du)

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

Sunday 23

Waxing Gibbous 83%

18:20

01:17

17 OK
18 Bad
19 Bad
20 OK
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: 06:03, Set: 20:08, Transit: 13:05. Moon - Rise: 18:20, Set: 01:17. Civil Dark: 20:44 - 05:27. Nautical Dark: 21:29 - 04:43. Astro Dark: 22:21 - 03:52

Total Clouds (% Sky Obscured)

45
50
49
48
53
58
59
63
60
57
49
51
55
62
60
58
57
66
75
84

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
3
4
10
16
19
28
33
42

Medium Clouds (% Sky Obscured)

10
10
10
11
12
11
11
9
8
5
3
29
55
62
60
58
57
66
75
84

High Clouds (% Sky Obscured)

5
7
8
16
25
25
30
40
44
43
42
38
39
35
28
25
27
42
42
60

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6

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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
13
13
51
63
64

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
21
20
19
17
16
14
13
12
12
11
10
10
10
11
13
15
17
17
18

Feels Like (°C)

20
21
21
17
16
15
14
14
12
8
8
8
7
7
7
8
9
10
12
14

Dew Point (°C)

3
4
5
5
6
7
6
6
6
6
6
6
6
6
6
6
7
7
10
12

Relative Humidity (%)

29
32
36
41
48
55
58
61
63
66
71
74
73
73
72
65
59
53
60
66

Pressure (mb)

1016
1016
1016
1016
1017
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016

Ozone (du)

332
330
327
327
327
327
328
328
329
329
330
330
331
331
332
331
331
330
330
329

Forecast for Bray Court, Windsor and Maidenhead, United Kingdom (51.50,-0.70)

Generated: 17/08/26 17:36:02. Forecast: 17/08/26 to 23/08/26. Timezone: UTC+1.00