Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 24

Waxing Gibbous 90%

18:57

02:26

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

Sun - Rise: 06:05, Set: 20:09, Transit: 13:06. Moon - Rise: 18:57, Set: 02:26. Civil Dark: 20:45 - 05:28. Nautical Dark: 21:31 - 04:43. Astro Dark: 22:24 - 03:51

Total Clouds (% Sky Obscured)

85
77
78
68
49
38
4
4
40
66
92
86
88
97
98
74
88
78
90
84
85
92
66
73

Low Clouds (% Sky Obscured)

12
9
26
27
25
11
0
3
6
18
35
37
35
41
36
36
30
25
36
23
22
17
28
31

Medium Clouds (% Sky Obscured)

19
31
13
2
3
0
0
0
0
4
17
25
38
36
25
32
34
22
61
78
26
21
65
73

High Clouds (% Sky Obscured)

37
18
28
35
37
33
4
2
40
62
84
59
42
84
93
9
50
33
58
26
29
79
24
20

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)

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

Chance of Frost

Temperature (°C)

22
22
22
21
20
18
16
15
13
13
12
12
13
13
13
13
13
15
17
19
21
22
23
24

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

33
34
33
35
39
47
57
64
72
77
80
83
84
87
90
92
90
80
68
56
45
38
33
31

Pressure (mb)

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

Ozone (du)

332
328
326
325
325
325
324
324
324
326
326
327
327
327
326
325
324
324
325
325
324
322
322
321

Tuesday 25

Waxing Gibbous 95%

19:19

03:42

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 06:06, Set: 20:07, Transit: 13:05. Moon - Rise: 19:19, Set: 03:42. Civil Dark: 20:43 - 05:30. Nautical Dark: 21:29 - 04:45. Astro Dark: 22:21 - 03:53

Total Clouds (% Sky Obscured)

69
68
71
89
100
100
100
100
100
98
93
94
94
100
100
100
82
87
79
81
95
96
96
95

Low Clouds (% Sky Obscured)

24
16
9
21
19
9
2
0
10
25
42
59
62
66
62
42
9
0
35
39
60
89
95
67

Medium Clouds (% Sky Obscured)

69
68
71
83
94
93
96
96
87
98
93
91
88
94
83
77
40
28
19
16
18
10
19
33

High Clouds (% Sky Obscured)

23
18
22
65
98
100
100
100
99
75
32
22
30
100
90
84
78
87
79
77
85
48
22
22

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
6
9
9
9
9
9
9
9
9
9
3
7
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
2
4
20
26
30
29
31
24
10
12
11
4
11
28
25
14
15

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

31
30
29
33
38
43
46
53
63
73
82
86
90
92
90
89
89
82
75
66
59
57
58
57

Pressure (mb)

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

Ozone (du)

319
317
315
316
315
313
313
314
314
313
313
315
320
322
323
324
325
326
326
326
325
325
325
322

Wednesday 26

Waxing Gibbous 99%

19:36

05:00

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 06:08, Set: 20:04, Transit: 13:05. Moon - Rise: 19:36, Set: 05:00. Civil Dark: 20:41 - 05:32. Nautical Dark: 21:26 - 04:47. Astro Dark: 22:17 - 03:56

Total Clouds (% Sky Obscured)

97
96
100
100
100
100
94
80
94
98
100
100
100
100
100
94
96
100
100
100
100
98
98
99

Low Clouds (% Sky Obscured)

79
71
77
68
64
27
32
28
19
36
46
77
61
59
58
66
68
57
40
39
60
41
24
19

Medium Clouds (% Sky Obscured)

23
16
14
1
13
8
12
4
57
41
67
53
84
90
86
38
34
44
50
54
35
4
59
62

High Clouds (% Sky Obscured)

78
77
100
95
95
100
78
74
86
97
100
100
100
100
100
31
90
100
100
99
100
92
94
98

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
1
4
9
9
9
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
None
None
None
Moderate Rain
Light Rain
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

22
29
27
31
23
5
18
1
0
0
7
53
95
95
76
82
53
27
17
30
8
4
3
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
2.5
0.8
0.3
0.5
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
48
44
46
53
63
73
77
79
79
79
79
74
77
77
87
90
86
82
72
66
55
45
40

Pressure (mb)

1010
1009
1009
1009
1009
1010
1010
1009
1009
1009
1009
1009
1008
1008
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007

Ozone (du)

321
320
318
319
319
320
320
322
319
318
318
319
319
320
322
326
330
330
329
330
332
333
333
331

Thursday 27

Waxing Gibbous 100%

19:49

06:18

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 OK
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 06:09, Set: 20:02, Transit: 13:05. Moon - Rise: 19:49, Set: 06:18. Civil Dark: 20:38 - 05:34. Nautical Dark: 21:23 - 04:49. Astro Dark: 22:14 - 03:59

Total Clouds (% Sky Obscured)

100
97
95
70
94
93
93
95
98
100
84
92
88
60
44
33
40
47
51
54
65
61
72
82

Low Clouds (% Sky Obscured)

17
40
76
18
8
6
0
0
0
0
0
0
0
7
13
20
22
26
27
26
60
35
45
46

Medium Clouds (% Sky Obscured)

39
77
50
18
60
93
14
12
16
17
16
16
75
13
8
1
2
0
5
25
14
16
20
25

High Clouds (% Sky Obscured)

100
86
78
46
69
50
78
83
91
100
84
88
84
45
18
2
13
40
45
34
24
5
9
14

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
9
9
8

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
4
3
0
0
0
0
0
0
0
0
0
0
0
0
0
2
10
36
60
53
50
40

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
10
12
11
10
9
9
10
11
13
13
13
13
12
13
12
12
11
10
11
12
13
16

Relative Humidity (%)

39
37
41
49
48
50
52
57
63
71
81
86
87
89
89
92
89
77
67
57
58
59
60
70

Pressure (mb)

1006
1006
1006
1006
1006
1006
1006
1007
1006
1006
1007
1006
1006
1006
1006
1006
1006
1006
1007
1007
1006
1006
1006
1006

Ozone (du)

332
336
338
341
341
342
339
338
339
341
342
342
343
344
345
345
344
344
345
346
345
343
343
344

Friday 28

Full Moon 99%

20:00

07:36

15 Bad
16 Bad
17 Bad
18 OK
19 OK
20 Bad
21 Bad
22 Bad
23 Bad
00 OK
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

Sun - Rise: 06:11, Set: 20:00, Transit: 13:04. Moon - Rise: 20:00, Set: 07:36. Civil Dark: 20:36 - 05:35. Nautical Dark: 21:21 - 04:51. Astro Dark: 22:11 - 04:01

Total Clouds (% Sky Obscured)

88
65
70
26
38
48
59
54
46
36
49
61
81
100
97
100
98
95
95
94
94
93
95
98

Low Clouds (% Sky Obscured)

44
37
33
26
36
48
58
42
32
27
29
31
33
33
27
26
0
0
0
24
50
79
80
80

Medium Clouds (% Sky Obscured)

20
11
5
0
3
5
5
4
5
1
5
0
0
6
12
31
14
26
29
48
71
92
94
96

High Clouds (% Sky Obscured)

22
15
62
1
2
1
0
0
0
0
25
54
81
100
97
100
98
95
92
69
49
24
47
73

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
7

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
Very Light Rain

Precipitation Probability (%)

19
12
8
2
3
4
3
11
13
9
8
4
0
0
0
0
0
0
0
14
19
19
43
72

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
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
82
79
74
72
81
82
81
82
86
89
90
93
93
92
93
92
83
74
66
62
57
54
66

Pressure (mb)

1005
1005
1005
1005
1005
1006
1006
1007
1007
1007
1007
1007
1008
1008
1008
1008
1008
1008
1008
1009
1008
1008
1008
1007

Ozone (du)

343
342
341
341
339
338
334
327
323
324
322
318
315
314
312
311
309
308
306
305
304
304
303
303

Saturday 29

Waning Gibbous 96%

20:11

08:55

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

Sun - Rise: 06:13, Set: 19:58, Transit: 13:04. Moon - Rise: 20:11, Set: 08:55. Civil Dark: 20:34 - 05:37. Nautical Dark: 21:18 - 04:53. Astro Dark: 22:08 - 04:04

Total Clouds (% Sky Obscured)

100
98
96
95
73
47
24
19
13
10
14
20
27
27
34
38
37
36
35
56
76
93
95
98

Low Clouds (% Sky Obscured)

81
85
88
91
64
37
6
5
1
2
0
3
3
0
3
3
14
16
18
43
65
81
79
76

Medium Clouds (% Sky Obscured)

100
86
72
56
36
18
2
1
0
0
0
0
0
1
1
1
0
0
0
2
2
5
17
30

High Clouds (% Sky Obscured)

100
68
34
3
2
3
1
1
0
0
0
0
0
0
0
0
0
0
0
20
41
66
66
71

ISS Passover

Visibility (miles)

4
1
4
7
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

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

Precipitation Probability (%)

95
95
95
95
71
48
20
13
5
0
0
0
0
0
0
0
0
0
0
2
5
6
33
51

Precipitation Amount (mm)

0.8
1.1
1.2
0.9
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
10
10
11
12
11
12
12
12
12
12
12
12
12
12
11
11
12
13
15
15
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
93
92
89
85
85
83
83
86
87
90
92
92
95
93
95
93
84
78
71
65
61
57
57

Pressure (mb)

1007
1007
1006
1006
1005
1005
1006
1006
1006
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1006
1006

Ozone (du)

303
303
306
309
312
314
315
317
317
316
316
316
315
315
316
317
317
319
320
321
323
325
327
327

Sunday 30

Waning Gibbous 91%

20:22

10:16

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:14, Set: 19:56, Transit: 13:04. Moon - Rise: 20:22, Set: 10:16. Civil Dark: 20:31 - 05:39. Nautical Dark: 21:15 - 04:55. Astro Dark: 22:05 - 04:06

Total Clouds (% Sky Obscured)

100
100
100
100
95
92
87
90
93
93
92
91
89
81
73
67
70
71
73
76
82
88

Low Clouds (% Sky Obscured)

74
69
63
60
54
49
45
45
45
42
45
50
57
61
66
67
62
56
46
48
52
55

Medium Clouds (% Sky Obscured)

41
41
41
41
46
51
48
32
16
0
16
32
51
43
33
23
20
17
10
14
17
15

High Clouds (% Sky Obscured)

81
83
89
96
78
61
42
57
72
86
60
33
6
4
2
0
0
0
0
3
6
8

ISS Passover

Visibility (miles)

9
9
7
5
4
5
7
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

Precipitation Type

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

Precipitation Probability (%)

70
90
95
95
95
95
65
47
27
0
8
12
14
14
15
17
23
26
28
25
19
9

Precipitation Amount (mm)

0.4
0.6
0.9
1.3
1.1
0.8
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
55
62
71
79
83
87
92
90
89
89
90
89
89
89
87
87
82
76
70
62
54

Pressure (mb)

1005
1004
1004
1003
1003
1003
1003
1003
1003
1003
1003
1004
1004
1005
1005
1006
1006
1007
1008
1008
1009
1009

Ozone (du)

328
328
328
329
329
332
334
336
336
336
337
336
335
334
333
331
329
330
330
330
329
328

Forecast for Nether Heyford, Northamptonshire, United Kingdom (52.22,-1.04)

Generated: 24/08/26 15:40:46. Forecast: 24/08/26 to 30/08/26. Timezone: UTC+1.00