Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 12

Waning Gibbous 95%

22:37

No Set

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

Sun - Rise: 04:55, Set: 21:17, Transit: 13:05. Moon - Rise: 22:37, Set: No Set. Civil Dark: 22:03 - 04:09. Nautical Dark: 23:13 - 03:00. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
5
24
29
36
39
21
22
26
11
10
3
0
0
0
0
0
18
42
63
75
57

Low Clouds (% Sky Obscured)

0
0
0
0
24
29
29
23
21
22
22
0
0
0
0
0
0
0
0
18
42
52
49
27

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
1
17
32
18

High Clouds (% Sky Obscured)

0
0
0
3
2
2
9
14
19
19
23
11
10
3
0
0
0
0
0
2
3
0
1
9

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)

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

Chance of Frost

Temperature (°C)

18
20
22
23
25
26
27
28
28
29
28
28
26
25
22
19
18
16
15
14
14
14
14
14

Feels Like (°C)

20
21
23
24
25
26
27
27
27
25
25
24
23
22
21
19
19
17
16
15
14
15
15
16

Dew Point (°C)

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

Relative Humidity (%)

74
67
58
51
46
40
36
32
31
31
31
33
38
46
59
71
81
87
90
95
93
95
96
92

Pressure (mb)

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

Ozone (du)

328
330
330
333
334
335
337
339
339
340
340
342
342
342
341
341
342
344
344
342
340
340
342
342

Sunday 13

Waning Gibbous 89%

22:52

07:35

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 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Good

Sun - Rise: 04:57, Set: 21:16, Transit: 13:06. Moon - Rise: 22:52, Set: 07:35. Civil Dark: 22:02 - 04:11. Nautical Dark: 23:11 - 03:02. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

54
78
50
85
87
80
81
80
73
59
52
63
71
50
56
56
72
100
100
100
100
95
88
0

Low Clouds (% Sky Obscured)

39
78
47
85
87
58
52
47
0
0
0
14
18
0
0
0
16
28
46
38
14
26
19
0

Medium Clouds (% Sky Obscured)

19
3
0
8
19
34
44
46
54
43
29
39
38
27
28
21
11
31
86
73
88
69
66
0

High Clouds (% Sky Obscured)

5
0
2
2
3
3
1
0
0
0
0
0
17
3
32
42
60
100
100
100
75
75
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
3
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
Light Rain
Light Rain
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
1
2
3
8
9
28
13
4
36
85
70
33
9
2
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.7
0.4
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
72
65
54
44
41
42
42
41
41
43
47
52
60
67
72
77
79
85
95
96
95
89
82

Pressure (mb)

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

Ozone (du)

342
341
339
339
340
341
341
338
336
337
335
333
331
328
326
327
329
329
329
331
340
337
335
333

Monday 14

Waning Gibbous 80%

23:04

08:59

07 Good
08 OK
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 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 Bad
06 Bad

Sun - Rise: 04:58, Set: 21:15, Transit: 13:06. Moon - Rise: 23:04, Set: 08:59. Civil Dark: 22:01 - 04:12. Nautical Dark: 23:09 - 03:05. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

1
42
67
66
58
84
45
51
90
91
85
64
80
87
31
58
26
20
23
23
20
33
71
60

Low Clouds (% Sky Obscured)

0
0
18
66
33
63
15
0
34
63
49
28
32
7
0
0
1
0
7
14
20
23
27
30

Medium Clouds (% Sky Obscured)

1
32
44
34
30
18
0
47
37
17
9
0
80
15
9
22
10
10
7
6
0
11
24
33

High Clouds (% Sky Obscured)

0
0
0
0
0
3
2
2
5
1
45
45
50
50
2
0
0
0
0
0
0
0
40
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
1
2
1
0
0
0
0
0
0
0
0
1
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)

6
10
11
12
13
14
15
14
16
15
18
18
17
14
11
10
10
10
10
9
9
9
9
9

Chance of Frost

Temperature (°C)

18
20
22
23
24
26
26
26
27
27
25
24
23
22
20
18
17
16
14
13
12
11
11
12

Feels Like (°C)

19
19
21
22
23
23
22
23
24
23
21
19
18
18
17
16
15
14
13
12
11
10
11
10

Dew Point (°C)

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

Relative Humidity (%)

78
69
62
52
45
42
45
41
30
31
37
40
47
45
47
49
52
58
67
74
83
90
95
89

Pressure (mb)

1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1013
1013
1014
1015
1015
1016
1016
1016
1016
1016
1016

Ozone (du)

332
332
331
330
330
331
333
335
337
335
335
338
340
343
344
346
347
353
363
368
367
364
363
357

Tuesday 15

Waning Gibbous 70%

23:15

10:22

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 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 04:59, Set: 21:14, Transit: 13:06. Moon - Rise: 23:15, Set: 10:22. Civil Dark: 21:59 - 04:14. Nautical Dark: 23:07 - 03:07. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

77
95
100
68
97
99
100
100
100
100
100
100
98
97
95
83
71
63
52
41
33
27
26
30

Low Clouds (% Sky Obscured)

24
18
13
24
44
57
46
36
26
47
63
81
57
34
11
18
23
43
48
40
33
27
26
25

Medium Clouds (% Sky Obscured)

41
93
100
60
72
63
73
59
57
52
52
54
74
64
91
62
62
52
52
41
33
27
26
30

High Clouds (% Sky Obscured)

38
75
80
68
85
80
85
100
100
73
46
19
18
26
25
25
30
25
20
20
1
6
11
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
8
7
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
9
15
24
29
33
39
45
50
51
40
29
12
15
11
0
9
26
40
25
33
9

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
14
14
15
16
16
16
15
14
14
13
12
11
9
7
6
6
7
6
7
8
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
66
56
48
39
41
42
42
41
39
41
44
43
44
48
54
60
65
67
70
74
86
87
90

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1014
1014
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014

Ozone (du)

355
356
354
353
350
348
345
343
340
338
337
333
328
326
325
324
321
319
316
314
310
310
309
308

Wednesday 16

Waning Gibbous 59%

23:26

11:45

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 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 05:00, Set: 21:13, Transit: 13:06. Moon - Rise: 23:26, Set: 11:45. Civil Dark: 21:58 - 04:15. Nautical Dark: 23:05 - 03:09. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

47
67
91
95
97
100
78
56
34
54
73
94
78
74
64
50
42
33
49
65
81
82
83
85

Low Clouds (% Sky Obscured)

22
19
11
16
28
36
28
20
10
9
7
0
45
43
41
37
34
30
20
10
5
31
55
76

Medium Clouds (% Sky Obscured)

29
33
40
45
50
45
45
45
34
54
66
68
45
47
49
39
30
20
17
14
10
5
5
10

High Clouds (% Sky Obscured)

46
52
83
91
95
99
73
49
32
42
44
80
27
35
36
23
22
23
36
49
64
63
62
61

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

10
48
35
34
42
52
70
65
85
72
55
35
50
50
50
45
38
26
27
27
28
28
32
33

Precipitation Amount (mm)

0
0.3
0
0
0
0.2
0.3
0.2
0.7
0.4
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
11
10
11
11
10
10
10
10
11
11
10
10
10
10
9
9
9
9
9
8
8
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
14
16
17
18
19
20
22
22
23
22
22
22
20
19
19
18
18
17
17
16
16
16
16

Relative Humidity (%)

90
90
93
93
92
92
91
94
92
92
92
94
92
92
92
93
93
93
93
93
93
93
93
92

Pressure (mb)

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

Ozone (du)

307
305
302
302
301
304
304
306
308
308
312
315
319
320
320
321
322
324
325
324
323
322
322
321

Thursday 17

Waning Gibbous 48%

23:38

13:10

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 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 OK
06 Good

Sun - Rise: 05:02, Set: 21:12, Transit: 13:06. Moon - Rise: 23:38, Set: 13:10. Civil Dark: 21:57 - 04:17. Nautical Dark: 23:03 - 03:12. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

91
95
99
99
100
100
100
100
100
97
95
93
94
96
99
97
95
92
94
96
99
69
37
5

Low Clouds (% Sky Obscured)

66
55
44
53
64
74
64
53
44
52
58
68
63
40
13
7
5
3
5
3
4
3
1
0

Medium Clouds (% Sky Obscured)

19
29
36
53
65
74
74
73
71
75
79
85
74
66
51
35
18
1
14
31
52
31
15
2

High Clouds (% Sky Obscured)

68
80
93
96
98
100
100
100
100
77
57
40
56
71
89
87
84
78
84
86
96
69
37
5

ISS Passover

Visibility (miles)

8
7
6
4
4
5
5
5
5
6
7
8
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
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very 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

Precipitation Probability (%)

40
46
48
56
62
66
64
63
64
90
95
95
83
62
39
29
19
5
3
1
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.2
0.3
0.4
0.3
0.3
0.4
0.8
1.3
1.1
0.7
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
88
84
80
80
80
80
78
78
75
81
88
93
93
92
91
90
89
89
90
92
92
92
90

Pressure (mb)

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

Ozone (du)

320
320
320
320
319
319
318
317
316
316
317
319
320
323
325
328
328
328
328
329
329
330
331
333

Friday 18

Third Quarter 48%

23:54

14:38

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

Sun - Rise: 05:03, Set: 21:10, Transit: 13:06. Moon - Rise: 23:54, Set: 14:38. Civil Dark: 21:55 - 04:18. Nautical Dark: 23:00 - 03:14. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

3
0
3
35
63
88
68
50
28
42
62
76
73
75
78
66
52
40

Low Clouds (% Sky Obscured)

0
0
0
12
24
38
40
43
28
42
42
36
25
21
21
16
10
4

Medium Clouds (% Sky Obscured)

2
0
2
2
2
1
1
0
0
5
10
15
31
49
65
58
47
40

High Clouds (% Sky Obscured)

3
0
3
35
54
66
43
22
4
14
18
5
13
22
30
22
16
14

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
4
2
1
1
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
15
15
16
16
17
18
22
21
21
22
21
22
18
17
16
16
16

Dew Point (°C)

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

Relative Humidity (%)

89
78
69
60
53
47
41
40
39
38
41
43
45
49
53
56
62
68

Pressure (mb)

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

Ozone (du)

334
333
333
332
334
336
337
337
336
336
337
338
338
340
342
344
344
344

Forecast for Bourn, Cambridgeshire, United Kingdom (52.20,-0.05)

Generated: 12/07/25 07:32:21. Forecast: 12/07/25 to 18/07/25. Timezone: UTC+1.00