Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 12

Waning Gibbous 95%

22:37

07:35

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

Sun - Rise: 04:55, Set: 21:17, Transit: 13:05. Moon - Rise: 22:37, Set: 07:35. Civil Dark: 22:03 - 04:09. Nautical Dark: 23:13 - 03:00. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
3
0
6
40
58
17
100
28
2
0
0
0
40
18
20
15
35
52
72
76
84
65
32

Low Clouds (% Sky Obscured)

0
0
0
6
31
21
13
21
23
0
0
0
0
0
0
0
15
35
52
69
65
49
41
32

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
12
5
6
0
0
3
8
15
26
16
0

High Clouds (% Sky Obscured)

0
0
0
6
11
29
5
73
23
2
0
0
0
3
2
2
1
1
0
3
3
1
0
2

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)

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

Chance of Frost

Temperature (°C)

21
23
24
26
27
28
28
28
28
27
26
24
22
19
18
16
15
14
14
14
14
14
16
18

Feels Like (°C)

22
24
25
26
27
27
27
26
26
24
24
23
21
18
18
17
16
15
14
15
15
15
17
18

Dew Point (°C)

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

Relative Humidity (%)

60
52
46
40
37
33
32
30
30
32
36
44
56
71
79
85
90
93
95
95
96
92
82
72

Pressure (mb)

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

Ozone (du)

331
333
334
337
339
341
340
340
341
342
342
342
340
342
344
344
344
342
342
343
343
344
344
344

Sunday 13

Waning Gibbous 89%

22:52

08:59

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

Sun - Rise: 04:57, Set: 21:16, Transit: 13:06. Moon - Rise: 22:52, Set: 08:59. Civil Dark: 22:02 - 04:11. Nautical Dark: 23:11 - 03:02. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

24
77
87
83
86
87
77
79
74
62
54
37
38
56
100
100
100
100
91
47
49
90
82
87

Low Clouds (% Sky Obscured)

24
77
78
79
71
80
28
6
0
0
0
0
0
25
34
48
8
0
0
0
0
13
68
78

Medium Clouds (% Sky Obscured)

0
0
18
26
34
35
30
43
32
26
29
18
24
28
55
54
65
98
67
34
32
56
52
39

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
0
5
37
38
40
100
100
100
100
70
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
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
0
0
0
0
0
0
0
2
19
32
27
21
2
2
26
26
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
23
24
24
28
28
27
23
23
23
23
22
21
19
17
17
17
17
18
18
19
19
20
20

Dew Point (°C)

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

Relative Humidity (%)

63
57
54
56
48
43
42
46
48
49
51
55
64
72
81
77
83
89
92
95
96
92
85
70

Pressure (mb)

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

Ozone (du)

343
343
344
344
343
341
337
335
332
329
327
326
325
327
329
331
330
333
337
337
337
336
335
335

Monday 14

Waning Gibbous 80%

23:04

08:59

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

74
67
57
35
67
93
48
26
32
77
91
45
44
2
0
42
51
83
46
54
84
100
100
100

Low Clouds (% Sky Obscured)

50
56
48
34
0
19
26
26
0
39
35
15
11
0
0
0
3
5
16
26
24
32
32
50

Medium Clouds (% Sky Obscured)

42
26
21
0
66
90
15
0
31
33
37
0
6
0
0
17
16
15
46
54
54
100
100
100

High Clouds (% Sky Obscured)

0
0
2
20
45
50
48
0
1
0
0
0
0
0
0
0
9
78
46
1
69
100
100
55

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 (%)

2
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
20
42

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

Chance of Frost

Temperature (°C)

21
23
24
25
26
27
26
26
25
24
22
21
19
17
16
15
14
13
13
13
12
12
14
15

Feels Like (°C)

21
22
23
22
21
21
19
19
20
19
17
15
14
13
13
12
12
11
9
9
9
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

59
52
47
38
33
31
32
26
28
33
32
36
39
46
53
61
71
78
77
76
79
79
72
68

Pressure (mb)

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

Ozone (du)

336
336
337
337
338
339
341
342
344
346
348
349
356
370
373
367
365
363
362
363
361
356
353
352

Tuesday 15

Waning Gibbous 70%

23:15

10:22

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 OK
03 OK
04 OK
05 OK
06 Bad
07 OK
08 OK

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)

100
99
99
98
92
99
100
98
97
95
92
89
87
77
66
46
40
35
29
35
35
40
41
44

Low Clouds (% Sky Obscured)

54
57
57
57
57
70
77
69
59
51
38
29
19
19
8
0
0
0
0
4
8
25
36
18

Medium Clouds (% Sky Obscured)

100
99
88
95
55
61
70
91
93
87
71
53
41
24
13
1
40
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

55
49
37
26
44
62
80
57
29
0
0
9
18
15
15
1
1
0
0
25
30
25
21
22

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

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

Precipitation Probability (%)

58
53
43
44
52
44
42
47
49
48
53
57
44
35
25
6
17
5
2
8
0
0
0
0

Precipitation Amount (mm)

0.2
0
0
0
0.2
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
13
14
16
18
17
16
16
14
14
12
10
9
9
9
8
7
7
7
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
65
68
68
55
45
52
54
54
57
58
66
74
74
74
73
76
83
82
84
89
89
82
73

Pressure (mb)

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

Ozone (du)

351
348
350
348
345
344
344
343
341
338
336
339
341
340
340
339
338
340
334
331
330
331
330
328

Wednesday 16

Waning Gibbous 59%

23:26

11:45

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

51
51
57
66
43
41
34
53
52
47
56
62
78
78
47
31
50
75
94
79
73
58
70
84

Low Clouds (% Sky Obscured)

30
28
37
43
38
38
34
36
30
24
16
8
0
0
0
0
0
0
0
2
3
5
16
26

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
2
12
21
30
27
32
44
49
47

High Clouds (% Sky Obscured)

18
19
21
28
12
9
5
21
17
15
39
57
71
78
47
31
50
71
92
79
73
58
70
83

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
58
51
44
40
36
34
32
33
34
37
45
55
61
65
72
74
75
76
77
74
71
68
60

Pressure (mb)

1017
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

327
326
325
325
322
320
319
318
318
314
311
307
305
301
299
297
296
297
297
297
297
298
298
297

Thursday 17

Waning Gibbous 48%

23:38

13:10

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 OK
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

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)

96
100
100
100
100
99
99
84
69
55
63
71
80
77
74
71
55
45
73
81
81
75
60
59

Low Clouds (% Sky Obscured)

37
42
42
46
54
61
65
46
34
22
33
50
62
61
59
56
37
19
0
0
0
0
10
20

Medium Clouds (% Sky Obscured)

48
37
23
16
24
26
40
40
33
22
21
8
9
9
9
9
10
10
9
9
8
5
13
17

High Clouds (% Sky Obscured)

84
88
93
100
97
95
94
70
42
9
3
3
3
4
4
5
10
10
15
15
20
20
31
35

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
19
20
20
20
26
26
26
26
26
27
26
25
24
23
22
20
15
15
15
14
14
14
17

Dew Point (°C)

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

Relative Humidity (%)

55
48
43
39
36
34
33
30
31
31
32
38
47
58
60
63
66
71
75
82
79
78
76
64

Pressure (mb)

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

Ozone (du)

296
295
295
295
295
295
296
297
298
300
301
303
304
306
308
310
313
313
313
314
314
314
313
314

Friday 18

Third Quarter 36%

23:54

14:38

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

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)

66
71
77
83
84
85
86
90
93
96
96
98
100
72
53
39
59
75
91
84
77
70

Low Clouds (% Sky Obscured)

29
29
30
32
38
44
50
53
55
58
49
40
31
22
14
5
9
13
16
23
28
33

Medium Clouds (% Sky Obscured)

23
32
42
45
52
62
71
57
42
22
37
58
82
72
53
39
58
54
49
47
47
49

High Clouds (% Sky Obscured)

38
37
34
23
37
49
60
65
69
68
79
88
100
72
53
39
59
65
77
59
38
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

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

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
4
5
2
6
7
6
7
7
1
7
7
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
24
25
26
28
28
28
29
28
28
27
25
23
21
20
19
18
18
17
16
17
17

Feels Like (°C)

17
18
18
19
20
29
28
27
28
28
28
23
23
22
21
21
20
15
16
17
16
15

Dew Point (°C)

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

Relative Humidity (%)

53
46
40
34
30
30
30
30
32
35
37
45
55
65
70
75
81
83
88
92
87
81

Pressure (mb)

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

Ozone (du)

314
314
315
316
316
316
315
315
316
316
317
317
316
316
317
317
318
319
319
320
321
321

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

Generated: 12/07/25 09:32:53. Forecast: 12/07/25 to 18/07/25. Timezone: UTC+1.00