Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 31

Waning Gibbous 94%

21:39

No Set

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

Sun - Rise: 05:25, Set: 20:54, Transit: 13:09. Moon - Rise: 21:39, Set: No Set. Civil Dark: 21:36 - 04:44. Nautical Dark: 22:32 - 03:48. Astro Dark: 23:54 - 02:28

Total Clouds (% Sky Obscured)

52
33
0
16
24
26
26
29
46
32
28
24
73
97
100
59
35
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
11
19
3
3
14
3
3
10
6
3
3
3
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
21
23
24
46
26
19
18
17
13
28
26
27
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
56
95
100
30
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 (%)

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)

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

Chance of Frost

Temperature (°C)

16
18
19
20
22
23
23
24
24
24
24
23
22
20
18
17
16
15
14
13
12
11
11
12

Feels Like (°C)

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

Dew Point (°C)

7
5
4
4
3
3
2
2
2
1
0
1
2
4
6
8
7
7
7
7
8
8
7
7

Relative Humidity (%)

56
44
37
33
29
26
24
23
22
21
21
22
27
34
44
54
57
61
64
67
73
79
80
69

Pressure (mb)

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

Ozone (du)

360
359
359
359
358
359
361
360
359
359
359
358
357
355
357
358
361
366
370
374
376
373
370
368

Saturday 1

Waning Gibbous 88%

21:50

08:31

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

Sun - Rise: 05:26, Set: 20:53, Transit: 13:09. Moon - Rise: 21:50, Set: 08:31. Civil Dark: 21:34 - 04:46. Nautical Dark: 22:29 - 03:50. Astro Dark: 23:49 - 02:33

Total Clouds (% Sky Obscured)

0
0
34
38
40
45
55
54
58
39
44
27
52
17
50
69
89
100
94
83
87
100
85
67

Low Clouds (% Sky Obscured)

0
0
0
0
0
2
2
2
2
2
2
1
2
1
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
24
27
30
34
46
39
40
28
24
20
16
0
0
1
19
18
40
61
85
88
65
41

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
4
6
17
3
29
14
46
64
88
100
85
47
51
100
71
62

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
49
41
37
33
29
27
24
22
21
22
23
29
37
48
54
57
59
63
66
66
67
66
63

Pressure (mb)

1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018
1019
1019
1020
1020
1020
1020
1019
1019
1019
1019
1019

Ozone (du)

368
367
365
362
357
353
350
344
342
340
338
336
336
336
335
335
333
333
333
334
334
334
333
333

Sunday 2

Waning Gibbous 80%

22:01

09:48

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: 05:28, Set: 20:51, Transit: 13:09. Moon - Rise: 22:01, Set: 09:48. Civil Dark: 21:32 - 04:47. Nautical Dark: 22:27 - 03:53. Astro Dark: 23:45 - 02:37

Total Clouds (% Sky Obscured)

67
80
83
77
67
100
95
92
94
99
95
99
100
100
97
96
79
78
73
71
78
83
88
83

Low Clouds (% Sky Obscured)

0
0
0
0
0
3
4
1
1
8
29
2
0
0
0
0
0
0
0
0
4
8
12
8

Medium Clouds (% Sky Obscured)

21
46
24
23
26
35
16
25
29
53
83
77
81
26
45
25
32
30
29
71
29
28
26
24

High Clouds (% Sky Obscured)

67
44
45
29
33
100
87
77
81
96
72
96
100
100
90
88
30
36
32
19
39
45
54
48

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)

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

Chance of Frost

Temperature (°C)

15
18
20
22
23
25
26
27
27
27
27
26
24
22
21
19
18
17
16
16
15
15
16
16

Feels Like (°C)

13
16
16
18
20
22
23
24
25
25
23
22
21
19
17
16
15
15
14
13
13
13
14
14

Dew Point (°C)

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

Relative Humidity (%)

53
45
40
35
33
30
28
26
24
23
24
33
44
44
43
50
58
67
77
82
85
90
87
78

Pressure (mb)

1019
1019
1019
1018
1018
1017
1016
1016
1015
1015
1014
1014
1014
1015
1015
1015
1015
1015
1014
1014
1013
1013
1013
1013

Ozone (du)

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

Monday 3

Waning Gibbous 71%

22:12

11:06

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: 05:30, Set: 20:49, Transit: 13:09. Moon - Rise: 22:12, Set: 11:06. Civil Dark: 21:30 - 04:49. Nautical Dark: 22:24 - 03:55. Astro Dark: 23:40 - 02:41

Total Clouds (% Sky Obscured)

87
86
90
94
100
99
99
98
82
73
71
82
91
100
100
100
100
100
100
100
87
77
65
65

Low Clouds (% Sky Obscured)

4
0
0
0
0
14
17
25
16
8
0
0
0
0
0
0
0
0
0
0
1
18
33
38

Medium Clouds (% Sky Obscured)

35
68
90
93
88
90
91
92
70
65
48
31
43
50
40
54
37
31
95
98
87
77
65
65

High Clouds (% Sky Obscured)

54
58
72
83
89
96
84
74
53
34
40
54
59
63
75
86
100
100
100
81
85
73
57
3

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
3
5
6
8
9
11
10
9
3
7
6
3
6
6
5
8
11
9
20

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

Chance of Frost

Temperature (°C)

18
20
22
24
26
28
28
28
29
29
29
28
26
24
22
21
20
19
19
19
18
18
19
19

Feels Like (°C)

15
18
20
22
24
26
26
26
27
28
28
27
24
21
20
19
19
19
18
19
18
18
18
18

Dew Point (°C)

12
12
11
11
10
10
9
8
7
6
6
7
8
12
12
15
16
16
16
15
15
15
15
15

Relative Humidity (%)

66
58
49
42
37
32
30
28
26
24
24
25
31
46
52
67
76
80
81
80
82
82
80
77

Pressure (mb)

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

Ozone (du)

331
331
331
333
335
336
339
337
332
330
328
328
328
327
329
329
331
329
328
326
322
320
322
322

Tuesday 4

Waning Gibbous 60%

22:26

12:27

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: 05:31, Set: 20:47, Transit: 13:09. Moon - Rise: 22:26, Set: 12:27. Civil Dark: 21:28 - 04:51. Nautical Dark: 22:22 - 03:58. Astro Dark: 23:36 - 02:45

Total Clouds (% Sky Obscured)

76
83
87
94
100
100
99
94
81
66
59
94
94
94
85
76
75
85
92
98
95
93
91
91

Low Clouds (% Sky Obscured)

12
0
12
21
31
39
64
69
73
63
59
79
80
84
64
47
30
51
72
95
76
55
34
35

Medium Clouds (% Sky Obscured)

76
83
78
76
65
69
65
32
23
19
39
65
64
63
57
47
35
41
48
58
69
81
91
84

High Clouds (% Sky Obscured)

60
59
73
86
100
96
88
65
34
18
21
23
16
4
3
1
0
14
29
47
33
20
5
17

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 (%)

6
1
8
14
17
20
27
30
27
26
24
39
36
34
32
28
18
23
22
26
28
27
26
43

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

16
15
14
13
11
10
9
8
8
8
8
11
11
13
15
15
15
15
15
15
15
15
16
17

Relative Humidity (%)

74
63
53
45
38
34
33
30
29
30
31
39
48
60
74
76
80
81
81
80
78
82
88
90

Pressure (mb)

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

Ozone (du)

320
318
315
313
314
313
314
314
313
312
311
310
310
310
310
311
312
313
313
312
312
312
311
311

Wednesday 5

Waning Gibbous 49%

22:43

13:51

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: 05:33, Set: 20:46, Transit: 13:08. Moon - Rise: 22:43, Set: 13:51. Civil Dark: 21:26 - 04:53. Nautical Dark: 22:19 - 04:00. Astro Dark: 23:31 - 02:49

Total Clouds (% Sky Obscured)

90
88
87
84
82
84
86
88
91
96
100
85
71
58
58
58
58
72
85
98
99
100
100
96

Low Clouds (% Sky Obscured)

35
36
46
56
66
74
81
87
76
68
54
55
58
58
48
38
30
46
60
74
76
80
85
80

Medium Clouds (% Sky Obscured)

73
63
47
30
16
18
19
19
17
15
12
9
6
3
5
8
10
7
5
2
12
24
35
32

High Clouds (% Sky Obscured)

29
41
28
15
2
2
1
1
20
39
56
43
26
10
13
17
21
34
48
70
70
80
86
59

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
7
7
6
7
8
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
Very 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
None

Precipitation Probability (%)

48
54
50
40
39
40
33
20
31
43
43
39
37
18
20
19
8
17
20
20
21
16
2
6

Precipitation Amount (mm)

0
0.2
0.2
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
7
8
8
8
7
7
8
7
6
5
4
4
4
5
5
6
6
6
6
5
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
70
63
54
47
41
41
42
42
44
44
45
51
58
67
75
85
96
95
95
95
95
93
92

Pressure (mb)

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

Ozone (du)

312
312
312
312
313
313
313
314
314
314
315
315
315
315
315
316
317
318
318
318
319
319
319
319

Thursday 6

Third Quarter 37%

23:07

15:19

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: 05:34, Set: 20:44, Transit: 13:08. Moon - Rise: 23:07, Set: 15:19. Civil Dark: 21:24 - 04:55. Nautical Dark: 22:17 - 04:02. Astro Dark: 23:27 - 02:53

Total Clouds (% Sky Obscured)

93
91
94
97
99
96
94
91
91
93
94
96
98
100
100
100
100

Low Clouds (% Sky Obscured)

77
74
74
73
73
60
45
36
40
43
49
54
57
60
72
82
94

Medium Clouds (% Sky Obscured)

30
27
30
34
37
36
30
29
31
28
30
30
30
30
35
31
31

High Clouds (% Sky Obscured)

33
14
34
54
71
62
55
44
52
70
83
87
91
97
86
74
63

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

7
7
15
19
23
23
22
19
20
19
15
46
72
84
91
90
70

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
5
5
5
5
5
5
5
5
6
7
8
8
8
8
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
18
20
21
22
23
25
25
24
25
26
27
23
22
20
20
20

Dew Point (°C)

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

Relative Humidity (%)

88
82
77
75
73
71
64
58
52
54
55
57
64
74
84
86
89

Pressure (mb)

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

Ozone (du)

319
319
319
318
317
317
317
318
318
318
319
319
319
319
319
319
320

Forecast for Newport Pagnell, Milton Keynes, United Kingdom (52.08,-0.73)

Generated: 31/07/26 07:32:37. Forecast: 31/07/26 to 06/08/26. Timezone: UTC+1.00