Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 12

Waning Gibbous 95%

22:37

06:16

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

Sun - Rise: 05:00, Set: 21:17, Transit: 13:08. Moon - Rise: 22:37, Set: 06:16. Civil Dark: 22:02 - 04:15. Nautical Dark: 23:09 - 03:09. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
0
9
55
8
0
0
0
30
27
19
28
30
7
20
20
0
0
0
0
0
39

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
30
27
19
28
22
0
7
20
0
0
0
0
0
39

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
2
4
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
4
21
3
0
0
0
4
4
1
4
3
7
8
2
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 (%)

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)

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

Chance of Frost

Temperature (°C)

15
17
20
22
24
25
26
27
28
28
28
28
28
27
26
23
21
20
18
17
16
15
14
14

Feels Like (°C)

17
20
21
23
25
25
26
27
27
27
27
27
26
25
25
23
21
20
18
17
16
15
15
14

Dew Point (°C)

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

Relative Humidity (%)

70
63
58
53
50
44
37
33
32
31
29
28
29
33
39
48
56
61
66
71
77
83
90
93

Pressure (mb)

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

Ozone (du)

324
325
325
326
329
330
331
331
331
333
333
332
331
333
335
335
336
339
344
344
342
341
340
340

Sunday 13

Waning Gibbous 89%

22:53

07:39

06 Bad
07 OK
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 OK
05 OK

Sun - Rise: 05:02, Set: 21:16, Transit: 13:08. Moon - Rise: 22:53, Set: 07:39. Civil Dark: 22:01 - 04:17. Nautical Dark: 23:07 - 03:11. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

50
33
50
66
61
72
80
82
54
87
69
78
69
69
75
100
100
100
100
100
93
90
26
43

Low Clouds (% Sky Obscured)

50
33
32
47
46
48
66
15
35
63
60
70
51
16
19
32
38
18
27
1
15
0
0
0

Medium Clouds (% Sky Obscured)

0
2
15
21
17
21
11
36
18
34
33
39
26
23
23
43
72
21
69
77
57
40
13
21

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
3
9
46
60
100
100
100
100
100
80
73
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
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

3
4
2
0
0
0
1
1
1
2
3
12
15
25
56
25
9
6
13
8
5
2
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
15
17
19
21
22
24
25
26
27
27
27
26
25
24
22
21
20
19
19
18
18
17
16

Feels Like (°C)

15
15
17
19
20
22
23
24
26
26
26
26
25
24
23
22
21
19
19
17
16
17
17
16

Dew Point (°C)

12
11
11
12
12
12
13
14
13
13
13
14
14
14
14
16
16
16
15
12
10
12
13
12

Relative Humidity (%)

86
75
68
62
56
52
50
48
43
40
41
44
49
50
52
66
73
78
76
66
62
68
74
77

Pressure (mb)

1014
1014
1014
1013
1013
1013
1012
1012
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1010
1010
1010

Ozone (du)

338
337
335
333
332
331
330
329
330
331
327
326
326
327
326
326
328
329
331
336
342
339
336
335

Monday 14

Waning Gibbous 80%

23:06

09:02

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 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK

Sun - Rise: 05:03, Set: 21:15, Transit: 13:08. Moon - Rise: 23:06, Set: 09:02. Civil Dark: 22:00 - 04:18. Nautical Dark: 23:05 - 03:13. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

66
64
44
49
76
48
48
76
94
95
83
76
83
64
89
59
30
22
26
31
33
35
37
40

Low Clouds (% Sky Obscured)

22
58
44
46
76
42
23
21
74
74
64
57
70
36
38
0
0
0
23
27
30
33
31
33

Medium Clouds (% Sky Obscured)

19
16
0
5
10
0
9
24
16
12
4
9
83
6
15
16
10
10
3
2
1
0
0
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
2
2
0
39
55
60
64
31
0
0
0
0
0
0
0
1
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
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
1
2
0
0
0
0
0
0
0
0
0
0
4
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
8
11
12
13
15
16
15
15
17
18
18
16
13
13
13
11
10
9
9
8
7
7
7

Chance of Frost

Temperature (°C)

16
17
19
20
22
23
24
25
25
25
24
23
22
21
20
18
16
14
13
12
11
11
10
10

Feels Like (°C)

16
17
18
20
20
20
20
21
21
20
18
18
18
17
16
13
14
13
12
11
11
11
10
10

Dew Point (°C)

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

Relative Humidity (%)

77
76
72
62
52
45
43
35
30
32
41
43
48
50
43
45
56
63
72
81
90
93
95
95

Pressure (mb)

1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1014
1015
1015
1016
1016
1017
1017
1017
1017
1017

Ozone (du)

334
334
333
332
332
331
332
334
338
336
338
342
342
345
345
347
348
350
356
364
366
366
363
360

Tuesday 15

Waning Gibbous 70%

23:17

10:25

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 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 05:04, Set: 21:14, Transit: 13:08. Moon - Rise: 23:17, Set: 10:25. Civil Dark: 21:59 - 04:20. Nautical Dark: 23:04 - 03:15. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

43
51
63
67
77
97
100
100
100
100
95
89
85
81
77
74
63
54
45
45
47
55
61
67

Low Clouds (% Sky Obscured)

34
30
26
26
33
48
44
56
70
87
81
73
73
57
45
34
30
52
45
45
47
55
61
60

Medium Clouds (% Sky Obscured)

0
15
39
44
48
60
55
55
45
45
95
83
85
81
77
74
61
49
45
45
47
55
54
50

High Clouds (% Sky Obscured)

2
5
6
8
7
6
5
15
11
20
30
17
35
45
45
45
34
9
23
6
16
10
15
34

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
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
3
20
25
35
43
55
76
81
82
80
62
46
29
21
14
1
13
25
19
15
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.5
0.6
0.7
0.7
0.4
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
11
12
13
14
14
13
14
13
12
11
12
12
13
12
11
11
11
11
11
10
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

93
80
67
55
46
40
44
43
42
44
48
48
44
44
50
54
59
64
65
69
86
93
95
95

Pressure (mb)

1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1016
1016
1016
1016
1015
1015
1015
1015

Ozone (du)

358
356
355
353
349
346
343
339
336
333
332
331
329
327
324
321
319
315
312
308
304
302
304
301

Wednesday 16

Waning Gibbous 67%

23:29

11:48

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 OK
22 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 05:05, Set: 21:13, Transit: 13:08. Moon - Rise: 23:29, Set: 11:48. Civil Dark: 21:57 - 04:21. Nautical Dark: 23:02 - 03:18. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

71
80
90
100
85
67
51
69
85
100
94
89
83
50
34
15
15
26
33
52
72
92
92
93

Low Clouds (% Sky Obscured)

61
50
38
25
31
41
48
43
33
26
15
8
0
34
17
0
11
22
33
47
62
76
82
88

Medium Clouds (% Sky Obscured)

50
29
40
45
40
40
40
40
40
40
40
30
35
50
34
15
15
26
28
31
32
31
23
17

High Clouds (% Sky Obscured)

34
48
74
95
74
41
23
40
65
87
94
65
66
14
21
15
15
18
23
38
54
70
57
43

ISS Passover

Visibility (miles)

9
6
9
5
9
9
8
5
7
8
8
5
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
22
37
29
39
44
48
51
43
50
37
36
27
34
30
26
25
26
27
26
26
24
23
22

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
96
93
92
92
85
92
91
93
95
95
94
95
94
93
95
93
95
95
95
95
95
96
96

Pressure (mb)

1015
1015
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013

Ozone (du)

301
301
301
298
300
301
301
304
305
306
307
310
313
316
317
319
320
322
324
326
324
322
320
318

Thursday 17

Waning Gibbous 59%

23:42

13:12

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 OK
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 05:07, Set: 21:12, Transit: 13:09. Moon - Rise: 23:42, Set: 13:12. Civil Dark: 21:56 - 04:23. Nautical Dark: 23:00 - 03:20. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

93
95
96
98
98
99
100
100
100
100
92
84
76
56
36
15
43
72
99
99
99
99
84
69

Low Clouds (% Sky Obscured)

93
74
55
35
53
67
82
59
42
23
32
40
54
34
17
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

12
26
47
62
75
84
91
92
80
74
74
77
76
56
36
15
26
18
16
24
29
30
24
20

High Clouds (% Sky Obscured)

30
52
72
96
97
99
100
100
100
100
77
57
39
36
34
15
43
68
89
90
91
93
71
48

ISS Passover

Visibility (miles)

9
9
9
8
7
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

22
29
36
43
45
46
48
54
54
53
62
62
63
48
33
17
14
9
0
0
0
0
0
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
92
89
86
82
77
73
67
69
71
72
78
84
91
89
89
89
90
90
92
93
93
95
92

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1014
1014
1014
1014
1014
1014

Ozone (du)

315
312
312
311
311
312
312
313
315
316
318
319
320
320
322
323
324
325
327
328
328
329
329
329

Friday 18

Third Quarter 48%

23:58

14:39

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

Sun - Rise: 05:08, Set: 21:11, Transit: 13:09. Moon - Rise: 23:58, Set: 14:39. Civil Dark: 21:55 - 04:24. Nautical Dark: 22:58 - 03:22. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

55
51
46
41
40
39
36
36
41
49
60
67
75
81
86
100
97
94
91

Low Clouds (% Sky Obscured)

0
7
14
22
26
30
34
34
35
32
22
15
8
6
5
4
2
1
0

Medium Clouds (% Sky Obscured)

16
11
9
7
5
2
0
3
6
9
27
38
64
59
55
51
51
52
52

High Clouds (% Sky Obscured)

31
24
20
17
15
13
6
4
8
6
7
11
15
45
70
95
87
77
45

ISS Passover

Visibility (miles)

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

Precipitation Type

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
6
7
8
5
4
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
14
14
15
15
16
17
21
20
19
20
20
20
15
15
15
15
14

Dew Point (°C)

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

Relative Humidity (%)

92
89
75
64
55
45
37
31
30
29
28
32
35
40
46
54
64
69
76

Pressure (mb)

1014
1015
1015
1015
1015
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014

Ozone (du)

330
330
330
331
332
332
333
334
334
333
333
335
336
338
340
342
345
344
344

Forecast for Great Missenden, Buckinghamshire, United Kingdom (51.70,-0.70)

Generated: 12/07/25 06:32:35. Forecast: 12/07/25 to 18/07/25. Timezone: UTC+1.00