Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 31

Waning Gibbous 94%

21:50

08:32

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

Sun - Rise: 05:26, Set: 20:51, Transit: 13:09. Moon - Rise: 21:50, Set: 08:32. Civil Dark: 21:32 - 04:46. Nautical Dark: 22:26 - 03:51. Astro Dark: 23:47 - 02:35

Total Clouds (% Sky Obscured)

27
43
56
48
6
0
0
0
0
0
0
5
37
39
45
29
68
80
89
92
82
48
61
48

Low Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
0
0
0
3
2
3
9
0
3
3
3
3
3
3
0
0

Medium Clouds (% Sky Obscured)

27
43
53
26
6
0
0
0
0
0
0
0
33
38
45
29
27
24
27
16
1
2
6
0

High Clouds (% Sky Obscured)

27
43
45
0
0
0
0
0
0
0
0
0
2
1
0
2
27
30
25
67
72
30
40
44

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
5
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)

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

Chance of Frost

Temperature (°C)

18
17
16
15
13
12
11
10
12
15
17
19
21
22
23
23
24
24
23
23
22
21
18
17

Feels Like (°C)

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

Dew Point (°C)

6
7
6
7
6
6
6
5
6
7
6
6
5
4
3
2
2
1
1
0
-1
2
2
4

Relative Humidity (%)

46
51
52
58
63
66
71
72
65
56
48
41
35
31
28
25
23
22
22
21
21
27
33
42

Pressure (mb)

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

Ozone (du)

356
357
361
368
372
374
374
370
369
367
361
357
351
347
344
342
340
338
336
335
335
334
334
332

Saturday 1

Waning Gibbous 88%

22:01

09:48

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

Sun - Rise: 05:28, Set: 20:49, Transit: 13:09. Moon - Rise: 22:01, Set: 09:48. Civil Dark: 21:30 - 04:47. Nautical Dark: 22:24 - 03:53. Astro Dark: 23:43 - 02:39

Total Clouds (% Sky Obscured)

40
52
92
50
99
55
64
86
91
100
95
96
97
76
75
58
65
80
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
9
11
5
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
7
20
7
32
14
26
42
37
35
37
50
41
19
23
6
23
26
39
38
29
21
24
23

High Clouds (% Sky Obscured)

40
43
84
49
97
50
45
52
80
100
92
85
91
73
46
39
38
49
100
100
100
100
100
100

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)

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

Chance of Frost

Temperature (°C)

16
14
14
13
13
12
12
11
13
16
18
20
22
23
25
26
26
27
26
26
25
24
21
20

Feels Like (°C)

13
11
10
10
9
9
8
8
10
13
15
18
20
20
22
22
23
23
22
21
21
20
17
16

Dew Point (°C)

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

Relative Humidity (%)

48
54
55
54
56
58
61
63
61
61
56
46
36
28
24
21
20
20
21
22
25
29
33
40

Pressure (mb)

1019
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1017
1017
1016
1016
1015
1014
1014
1014
1014
1014
1015

Ozone (du)

332
332
332
332
334
333
331
331
330
330
331
331
331
330
330
330
329
328
328
328
328
327
328
329

Sunday 2

Waning Gibbous 80%

22:13

11:05

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

Sun - Rise: 05:29, Set: 20:48, Transit: 13:08. Moon - Rise: 22:13, Set: 11:05. Civil Dark: 21:28 - 04:49. Nautical Dark: 22:21 - 03:56. Astro Dark: 23:38 - 02:43

Total Clouds (% Sky Obscured)

98
97
74
59
61
52
61
92
92
100
72
69
87
100
100
100
100
100
100
97
93
72
55
94

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
35
23
1
1
1
0
0
19
8
9
3
1
0
0
0
0
7

Medium Clouds (% Sky Obscured)

18
26
28
17
61
25
29
76
39
80
72
69
60
71
51
42
36
29
21
15
15
13
13
11

High Clouds (% Sky Obscured)

94
85
30
28
28
9
43
68
78
72
51
42
66
100
100
100
100
100
99
97
88
63
32
87

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
2
14
23
26
15
2
1
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
10
9
9
7
6
6
6
7
9
9
10
10
10
11
10
9
8
9
10
10
9
9
10

Chance of Frost

Temperature (°C)

19
17
17
16
16
15
15
15
16
18
20
23
25
27
29
29
29
30
29
29
28
26
24
22

Feels Like (°C)

15
13
13
13
13
13
14
15
14
16
18
21
23
25
26
26
27
27
27
26
25
24
23
21

Dew Point (°C)

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

Relative Humidity (%)

45
50
54
59
68
72
78
80
69
60
52
45
40
34
30
32
32
28
27
28
32
40
51
56

Pressure (mb)

1015
1014
1014
1013
1013
1013
1012
1012
1012
1012
1012
1012
1011
1011
1010
1010
1009
1009
1008
1008
1008
1008
1009
1009

Ozone (du)

329
328
329
331
333
333
332
328
327
327
325
324
323
323
322
323
324
324
325
326
326
328
328
327

Monday 3

Waning Gibbous 71%

22:27

12:26

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

Sun - Rise: 05:31, Set: 20:46, Transit: 13:08. Moon - Rise: 22:27, Set: 12:26. Civil Dark: 21:26 - 04:51. Nautical Dark: 22:19 - 03:58. Astro Dark: 23:34 - 02:47

Total Clouds (% Sky Obscured)

90
89
78
66
37
45
53
59
56
55
34
41
70
100
94
81
85
78
73
67
62
34
30
38

Low Clouds (% Sky Obscured)

14
24
16
8
0
9
17
26
19
15
11
16
18
79
71
47
77
77
73
64
62
22
4
11

Medium Clouds (% Sky Obscured)

15
60
78
66
17
18
16
13
18
16
14
20
30
58
85
59
19
22
16
15
11
9
11
9

High Clouds (% Sky Obscured)

77
64
51
42
7
25
39
57
44
30
6
25
62
100
87
40
59
22
3
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
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 (%)

3
2
2
4
1
0
0
0
0
0
0
3
11
25
29
23
18
10
6
0
0
3
2
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)

8
6
6
5
4
4
4
4
4
5
7
8
10
11
14
15
14
16
14
14
13
12
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
69
71
70
67
66
67
74
70
70
61
41
36
41
49
53
46
47
51
47
44
44
52
63

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1011
1011
1011
1011
1011
1011
1010
1010
1011
1010
1011
1011
1011
1012

Ozone (du)

327
325
323
325
324
321
318
317
316
316
315
314
313
313
312
313
312
311
311
311
312
313
312
312

Tuesday 4

Waning Gibbous 60%

22:44

13:50

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
17 Bad
18 Bad
19 Bad
20 OK
21 Good
22 OK

Sun - Rise: 05:32, Set: 20:44, Transit: 13:08. Moon - Rise: 22:44, Set: 13:50. Civil Dark: 21:24 - 04:53. Nautical Dark: 22:16 - 04:00. Astro Dark: 23:30 - 02:51

Total Clouds (% Sky Obscured)

55
56
62
65
69
63
61
59
63
57
53
52
51
55
67
75
83
76
70
62
44
28
12
27

Low Clouds (% Sky Obscured)

20
31
32
34
36
39
40
45
38
37
38
37
36
36
54
73
83
76
65
52
40
28
12
15

Medium Clouds (% Sky Obscured)

31
4
4
4
4
0
0
0
7
13
20
17
13
10
8
8
6
6
3
2
2
1
0
5

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
4
4
5
3
2
0
1
1
1
0
0
0
0
0
0
27

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

10
9
9
9
9
9
9
10
11
11
12
14
14
15
15
14
13
12
13
14
15
13
11
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
15
15
15
15
15
16
16
16
14
13
11
11
11
11
12
13
14
12
10
8
10
12
13

Relative Humidity (%)

72
81
87
90
93
95
96
98
92
75
61
49
46
44
42
44
47
51
44
39
35
43
53
65

Pressure (mb)

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

Ozone (du)

312
312
311
312
314
316
319
321
323
324
326
327
325
322
320
320
320
320
321
323
324
325
326
326

Wednesday 5

Waning Gibbous 49%

No Rise

15:17

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

Sun - Rise: 05:34, Set: 20:42, Transit: 13:08. Moon - Rise: No Rise, Set: 15:17. Civil Dark: 21:22 - 04:55. Nautical Dark: 22:14 - 04:02. Astro Dark: 23:26 - 02:54

Total Clouds (% Sky Obscured)

41
59
62
65
71
77
79
80
82
81
84
87
93
100
98
96
96
98
100
100
100
99
94
85

Low Clouds (% Sky Obscured)

14
14
14
17
17
24
40
47
52
53
55
66
78
89
85
81
77
79
83
85
80
75
68
59

Medium Clouds (% Sky Obscured)

10
20
20
16
12
17
16
18
22
23
23
26
28
35
35
35
35
32
29
26
15
9
0
5

High Clouds (% Sky Obscured)

41
59
41
19
5
8
12
16
13
10
6
19
31
43
52
46
50
60
80
80
80
80
70
68

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

Precipitation Probability (%)

4
1
3
2
0
0
0
0
4
6
3
20
34
41
48
54
56
65
56
46
35
26
11
11

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
15
15
15
15
15
14
14
14
14
15
16
15
14
14
12
10
7
8
9
10
11
12
12

Relative Humidity (%)

72
81
90
92
95
95
93
90
87
85
81
78
74
67
62
54
48
42
45
49
52
56
62
68

Pressure (mb)

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

Ozone (du)

326
326
326
325
325
325
325
324
324
324
324
325
325
326
327
334
341
348
344
340
336
335
333
331

Thursday 6

Third Quarter 37%

23:09

16:43

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: 05:36, Set: 20:41, Transit: 13:08. Moon - Rise: 23:09, Set: 16:43. Civil Dark: 21:20 - 04:56. Nautical Dark: 22:11 - 04:05. Astro Dark: 23:22 - 02:58

Total Clouds (% Sky Obscured)

77
49
61
78
90
90
87
84
86
81
76
77
78
75

Low Clouds (% Sky Obscured)

48
34
38
43
44
47
51
59
59
48
43
48
49
45

Medium Clouds (% Sky Obscured)

9
16
17
13
13
19
18
23
24
29
31
32
34
35

High Clouds (% Sky Obscured)

67
49
61
78
88
85
80
71
65
63
48
45
38
40

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

13
5
11
16
10
14
11
4
15
14
8
20
18
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
2
1
2
3
5
5
5
6
7
9
10
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
14
15
15
14
14
13
12
11
9
7
5
3
-0

Relative Humidity (%)

72
77
82
82
83
83
82
78
75
62
50
42
34
27

Pressure (mb)

1018
1018
1019
1019
1019
1018
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

329
327
325
323
322
321
319
317
315
314
313
312
311
310

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

Generated: 31/07/26 23:18:54. Forecast: 31/07/26 to 06/08/26. Timezone: UTC+1.00