Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 13

Waning Gibbous 89%

22:53

No Set

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

Sun - Rise: 05:02, Set: 21:16, Transit: 13:08. Moon - Rise: 22:53, Set: No Set. Civil Dark: 22:01 - 04:17. Nautical Dark: 23:07 - 03:11. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

60
52
46
49
86
70
71
73
71
46
34
17
58
100
100
100
42
0
75
80
27
46
40
44

Low Clouds (% Sky Obscured)

32
33
41
49
48
56
50
44
53
26
22
0
0
40
21
5
0
0
0
42
0
32
40
38

Medium Clouds (% Sky Obscured)

0
0
0
0
24
16
18
21
19
15
10
5
20
16
7
14
31
0
75
61
15
15
3
10

High Clouds (% Sky Obscured)

2
3
19
5
4
4
4
0
0
0
0
5
18
100
100
71
42
0
11
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
1
1
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
61
56
50
45
42
38
35
32
31
32
47
50
52
55
51
43
43
46
50
60
72
79
77

Pressure (mb)

1014
1013
1013
1013
1013
1012
1011
1010
1010
1010
1009
1009
1009
1009
1010
1010
1011
1011
1010
1010
1010
1010
1010
1011

Ozone (du)

341
337
333
332
331
332
329
331
328
325
325
326
326
325
326
328
328
330
336
336
333
331
330
331

Monday 14

Waning Gibbous 80%

23:06

09:02

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

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)

85
56
63
45
95
93
49
96
61
43
51
71
0
5
22
0
0
88
93
45
52
99
98
97

Low Clouds (% Sky Obscured)

82
56
63
19
44
36
45
53
33
30
47
66
0
0
21
0
0
22
34
35
40
42
39
74

Medium Clouds (% Sky Obscured)

10
0
0
0
33
31
2
29
22
20
24
32
0
0
0
0
0
0
40
2
10
27
60
87

High Clouds (% Sky Obscured)

0
0
0
14
34
35
6
92
40
4
0
0
0
0
0
0
0
63
85
31
35
96
72
32

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
6
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
14
14
15
16
17
20
19
20
20
20
17
16
11
9
7
7
8
8
8
8
9
9
12

Chance of Frost

Temperature (°C)

19
21
22
23
23
24
23
24
24
23
22
21
19
17
16
15
13
13
12
12
12
11
12
13

Feels Like (°C)

18
19
19
19
20
20
17
19
18
16
16
16
15
14
13
13
13
12
12
11
9
9
9
10

Dew Point (°C)

13
13
13
9
5
7
9
12
8
3
1
4
7
6
6
7
8
9
10
10
10
10
10
9

Relative Humidity (%)

69
62
56
41
30
34
40
47
37
27
24
34
45
49
54
60
71
79
84
87
92
93
90
77

Pressure (mb)

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

Ozone (du)

331
333
334
334
335
335
335
338
339
341
343
344
347
354
361
361
359
359
359
361
362
359
359
351

Tuesday 15

Waning Gibbous 70%

23:17

10:25

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
05 Bad
06 Bad
07 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)

86
77
98
100
97
100
100
100
100
96
94
90
84
72
56
65
86
88
82
81
85
66
52
70

Low Clouds (% Sky Obscured)

54
30
32
78
79
55
56
58
67
65
65
64
61
66
56
65
60
53
40
35
25
18
14
18

Medium Clouds (% Sky Obscured)

64
39
93
34
85
86
43
28
19
29
26
34
10
11
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
3
4
49
10
2
3
76
76
82
81
74
44
22
48

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
6
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
Very Light Rain
None
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
5
30
37
37
29
45
51
73
74
69
63
52
27
6
12
24
25
18
16
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
17
18
18
19
19
18
17
16
18
19
19
17
14
12
11
10
10
10
9
10
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
12
13
12
12
12
13
12
12
11
11
11
11
12
13
14
13
13
12
12
11
9
9
10

Dew Point (°C)

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

Relative Humidity (%)

64
51
43
38
42
43
49
57
63
64
62
73
86
90
95
96
96
96
96
96
98
96
93
89

Pressure (mb)

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

Ozone (du)

348
346
346
345
344
344
343
342
341
340
340
339
339
338
338
336
336
336
334
332
327
330
330
332

Wednesday 16

Waning Gibbous 59%

23:29

11:48

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

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)

85
91
82
94
85
88
83
86
75
43
41
31
26
20
15
15
13
10
10
20
20
20
15
15

Low Clouds (% Sky Obscured)

22
28
31
32
34
33
29
22
20
17
15
9
4
0
0
0
0
0
4
20
20
20
15
15

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
18
3
41
31
26
20
15
15
13
10
10
20
20
20
15
15

High Clouds (% Sky Obscured)

73
91
82
94
85
86
80
80
71
32
39
31
26
20
15
6
2
10
10
15
15
20
15
10

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
1
3
1
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
12
13
12
11
10
9
8
8
7
7
6
4
3
2
2
2
2
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
66
50
42
40
37
34
32
30
30
30
31
37
44
48
53
57
62
65
61
60
61
62
62

Pressure (mb)

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

Ozone (du)

330
327
326
326
324
323
323
322
320
318
314
310
308
305
302
301
300
300
300
301
301
302
306
307

Thursday 17

Waning Gibbous 48%

23:42

13:12

08 Good
09 Good
10 Good
11 OK
12 OK
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK
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

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)

15
15
17
19
25
32
33
31
31
33
36
91
81
69
77
89
100
95
91
86
79
72
65
76

Low Clouds (% Sky Obscured)

15
9
17
15
22
23
28
28
17
9
0
0
0
0
10
20
30
45
61
76
71
63
56
65

Medium Clouds (% Sky Obscured)

15
15
17
2
2
13
33
10
31
22
36
54
44
29
46
62
79
72
64
54
52
51
54
62

High Clouds (% Sky Obscured)

15
15
6
15
12
20
25
30
30
24
25
77
51
23
19
19
25
25
25
25
30
30
30
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 (%)

0
0
0
0
0
0
0
0
0
0
1
3
3
2
22
32
41
36
27
9
13
9
5
13

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

Chance of Frost

Temperature (°C)

18
19
21
23
24
25
26
26
27
26
26
25
23
21
20
20
19
19
18
18
17
17
18
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
57
53
48
42
40
40
40
39
43
40
45
48
51
55
59
64
70
77
85
93
90
88
85

Pressure (mb)

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

Ozone (du)

308
309
310
311
311
310
310
309
307
307
306
304
305
305
306
306
306
307
308
309
310
310
309
309

Friday 18

Third Quarter 36%

23:58

14:39

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
05 Bad
06 Bad
07 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)

88
99
96
92
88
92
96
100
99
98
97
91
85
80
65
49
37
49
62
73
79
86
92
82

Low Clouds (% Sky Obscured)

74
84
71
61
51
58
69
76
72
74
73
58
39
21
21
22
22
33
44
55
65
79
82
66

Medium Clouds (% Sky Obscured)

80
86
92
92
88
87
83
84
73
60
45
35
25
18
37
49
37
49
62
73
78
77
75
82

High Clouds (% Sky Obscured)

71
94
69
45
16
42
70
94
84
73
62
49
41
31
30
32
37
45
50
50
50
50
60
45

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
5
2
3
4
5
6
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

18
23
34
37
34
43
53
67
67
65
64
52
51
53
46
41
43
37
26
2
5
8
11
12

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.6
0.5
0.4
0.4
0.2
0.2
0.3
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
3
4
3
4
4
4
4
4
3
3
3
3
4
6
5
5
4
4
4
4
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
19
19
20
21
22
23
23
23
24
24
24
26
24
24
23
21
20
16
16
16
16
16
16

Dew Point (°C)

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

Relative Humidity (%)

81
76
71
72
73
73
71
69
65
66
63
63
69
77
85
85
85
85
85
85
83
86
86
86

Pressure (mb)

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

Ozone (du)

310
311
312
314
316
318
319
319
319
320
320
320
320
319
318
319
321
323
322
321
321
320
319
318

Saturday 19

Waning Crescent 34%

00:20

16:09

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

Sun - Rise: 05:09, Set: 21:09, Transit: 13:09. Moon - Rise: 00:20, Set: 16:09. Civil Dark: 21:53 - 04:26. Nautical Dark: 22:55 - 03:24. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

70
60
62
65
65
76
90
100
100
100
100
100
100
100
88
76
63

Low Clouds (% Sky Obscured)

51
35
40
45
49
47
46
40
36
29
20
18
19
22
26
34
38

Medium Clouds (% Sky Obscured)

70
60
62
65
65
70
62
57
43
32
16
20
24
30
20
10
0

High Clouds (% Sky Obscured)

35
30
30
30
16
40
72
100
100
100
100
100
100
100
68
39
33

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

11
8
10
12
11
29
41
49
53
57
61
73
80
80
62
52
40

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
0.7
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
20
21
23
24
26
27
27
28
27
27
26
24
23
21
20
19

Feels Like (°C)

18
18
19
20
20
20
27
25
25
25
25
27
24
24
24
23
22

Dew Point (°C)

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

Relative Humidity (%)

81
76
72
64
58
51
46
40
36
38
39
42
47
54
61
65
70

Pressure (mb)

1012
1012
1012
1012
1012
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

318
317
316
315
314
313
313
312
311
311
311
311
311
310
310
309
309

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

Generated: 13/07/25 08:10:49. Forecast: 13/07/25 to 19/07/25. Timezone: UTC+1.00