Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 12

Waning Gibbous 95%

22:36

06:18

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

Sun - Rise: 05:03, Set: 21:15, Transit: 13:08. Moon - Rise: 22:36, Set: 06:18. Civil Dark: 22:00 - 04:18. Nautical Dark: 23:05 - 03:13. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
0
9
12
0
7
27
41
42
0
0
0
22
0
0
0
4
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
3
0
7
27
41
42
0
0
0
22
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
5
5
0
0
0
0
1
0
0
0
1
0
0
0
3
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)

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

Chance of Frost

Temperature (°C)

16
18
21
23
25
26
27
28
29
30
30
29
28
27
26
24
22
20
20
18
17
17
16
16

Feels Like (°C)

19
20
22
24
26
26
27
28
28
29
28
28
28
27
26
24
22
21
20
19
18
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

72
60
52
48
44
41
35
31
29
27
26
26
27
36
41
50
55
59
61
66
72
77
79
85

Pressure (mb)

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

Ozone (du)

324
325
326
327
327
329
331
332
332
331
330
328
329
330
330
330
331
332
332
333
335
336
335
334

Sunday 13

Waning Gibbous 88%

22:53

07:41

06 Good
07 Good
08 Good
09 OK
10 OK
11 OK
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 OK
04 Bad
05 OK

Sun - Rise: 05:04, Set: 21:14, Transit: 13:09. Moon - Rise: 22:53, Set: 07:41. Civil Dark: 21:59 - 04:19. Nautical Dark: 23:04 - 03:15. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
9
7
30
34
44
86
91
72
89
79
57
65
51
100
100
100
100
100
97
74
36
73
44

Low Clouds (% Sky Obscured)

0
9
0
0
0
0
59
78
56
38
26
22
33
39
65
70
63
67
74
60
0
0
51
0

Medium Clouds (% Sky Obscured)

0
0
3
12
15
20
26
24
23
32
27
23
21
23
32
33
79
69
76
85
53
22
26
22

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
0
1
1
20
25
100
100
100
100
98
63
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
1
1
2
3
7
15
9
12
18
6
4
1
1
1
1
0
1
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
71
58
53
51
47
42
40
38
37
42
44
38
33
33
39
45
48
48
54
62
74
81
83

Pressure (mb)

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

Ozone (du)

334
333
331
332
331
332
332
333
329
328
327
327
326
326
325
327
329
330
334
340
342
339
338
336

Monday 14

Waning Gibbous 80%

23:06

09:04

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

Sun - Rise: 05:05, Set: 21:14, Transit: 13:09. Moon - Rise: 23:06, Set: 09:04. Civil Dark: 21:58 - 04:21. Nautical Dark: 23:02 - 03:17. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

64
31
52
51
45
30
73
77
88
40
54
69
81
80
57
44
40
9
0
0
0
0
3
7

Low Clouds (% Sky Obscured)

54
31
52
40
45
30
0
29
55
28
29
37
65
75
51
44
40
0
0
0
0
0
3
7

Medium Clouds (% Sky Obscured)

7
0
0
5
0
0
23
22
15
9
0
10
58
12
11
0
0
3
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
6
18
1
20
20
25
30
1
0
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
2
0
0
0
0
0
0
0
4
0
0
1
0
0
0
1
1
1
1

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
9
10
12
13
15
15
16
18
20
19
18
18
15
14
13
10
9
7
6
6
6
7
7

Chance of Frost

Temperature (°C)

17
18
19
21
22
23
24
25
25
24
25
24
23
22
21
19
17
16
15
14
13
12
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
73
58
52
48
43
39
28
31
33
33
36
38
39
43
50
60
71
80
86
89
92
92
93

Pressure (mb)

1011
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1015
1016
1016
1017
1017
1017
1017
1017
1017

Ozone (du)

333
332
332
331
331
331
332
335
341
338
341
343
344
345
346
347
349
351
352
355
357
358
357
357

Tuesday 15

Waning Gibbous 70%

23:18

10:26

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

Sun - Rise: 05:06, Set: 21:13, Transit: 13:09. Moon - Rise: 23:18, Set: 10:26. Civil Dark: 21:57 - 04:22. Nautical Dark: 23:00 - 03:20. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

10
33
52
74
92
96
100
100
100
100
95
91
87
76
66
56
50
45
39
33
29
26
51
75

Low Clouds (% Sky Obscured)

10
22
32
40
46
57
65
70
72
75
72
72
69
65
51
38
41
45
39
33
29
26
38
34

Medium Clouds (% Sky Obscured)

0
21
42
59
68
76
75
65
50
49
95
78
63
73
61
50
45
40
38
33
29
26
50
45

High Clouds (% Sky Obscured)

0
0
0
1
5
10
15
10
0
8
5
2
15
9
5
2
3
11
22
3
15
15
43
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
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
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None

Precipitation Probability (%)

0
1
1
1
15
22
31
50
60
66
67
60
50
44
33
6
9
7
1
6
23
32
53
22

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.3
0.3
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
13
15
17
19
19
19
18
18
18
17
17
17
18
17
16
16
15
14
14
14
14
14
14

Feels Like (°C)

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

Dew Point (°C)

10
9
8
7
6
4
3
5
5
5
5
5
5
5
6
7
9
9
10
11
12
12
13
13

Relative Humidity (%)

90
77
64
50
42
36
36
40
41
42
44
43
45
42
47
52
63
67
74
82
89
90
92
95

Pressure (mb)

1017
1018
1018
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

356
351
348
343
340
339
337
334
331
328
326
325
320
318
316
314
313
310
305
302
299
298
297
296

Wednesday 16

Waning Gibbous 67%

23:30

11:48

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
23 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 05:07, Set: 21:12, Transit: 13:09. Moon - Rise: 23:30, Set: 11:48. Civil Dark: 21:55 - 04:24. Nautical Dark: 22:58 - 03:22. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
79
59
42
42
45
48
62
76
90
63
36
9
46
40
20
30
27
40
52
64
77
75
73

Low Clouds (% Sky Obscured)

25
23
31
35
34
34
37
29
22
14
12
10
8
28
14
0
13
27
40
52
64
74
73
72

Medium Clouds (% Sky Obscured)

43
40
48
4
42
45
45
45
45
26
40
35
9
27
40
20
30
27
40
52
57
55
60
55

High Clouds (% Sky Obscured)

81
59
42
8
10
23
24
31
47
62
54
36
9
27
29
20
24
18
13
15
22
31
19
12

ISS Passover

Visibility (miles)

6
0
0
9
9
9
8
9
8
9
9
4
4
4
6
8
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
Very Light Rain
None
Very Light Rain
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

8
4
7
15
23
59
23
52
30
22
35
45
43
53
41
24
20
17
12
12
10
6
11
10

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
14
16
16
17
18
19
18
20
21
21
21
20
19
18
18
17
17
17
15
15
14
15

Dew Point (°C)

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

Relative Humidity (%)

95
96
96
92
85
91
93
95
94
92
87
85
87
89
92
93
95
95
95
96
95
93
93
92

Pressure (mb)

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

Ozone (du)

298
298
299
301
300
299
299
302
304
304
306
307
307
307
308
310
312
315
317
320
317
314
311
310

Thursday 17

Waning Gibbous 59%

23:43

13:12

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 05:09, Set: 21:10, Transit: 13:09. Moon - Rise: 23:43, Set: 13:12. Civil Dark: 21:54 - 04:25. Nautical Dark: 22:56 - 03:24. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

71
63
55
49
64
82
99
100
100
100
91
83
74
69
68
68
72
81
89
88
86
82
66
52

Low Clouds (% Sky Obscured)

70
63
55
49
53
51
48
51
54
52
56
64
72
53
31
14
8
4
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

69
63
55
49
64
82
86
89
86
76
71
73
74
69
68
58
43
25
7
19
29
37
26
15

High Clouds (% Sky Obscured)

20
33
27
31
49
71
97
99
99
100
67
33
5
14
28
40
52
61
74
67
61
55
45
28

ISS Passover

Visibility (miles)

9
9
9
9
9
7
6
4
6
7
9
8
7
6
7
8
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

11
21
27
29
39
47
53
63
72
80
73
64
56
47
34
12
7
1
0
0
0
0
1
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.3
0.5
0.6
0.5
0.4
0.3
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
85
80
76
74
73
72
77
84
89
90
93
95
95
96
95
95
93
93
93
95
95
95

Pressure (mb)

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

Ozone (du)

308
307
306
306
305
305
306
306
310
314
318
319
321
322
323
323
323
324
325
326
326
327
327
328

Friday 18

Third Quarter 48%

00:00

14:38

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

Sun - Rise: 05:10, Set: 21:09, Transit: 13:09. Moon - Rise: 00:00, Set: 14:38. Civil Dark: 21:53 - 04:27. Nautical Dark: 22:54 - 03:26. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

38
31
24
20
27
35
39
39
56
72
83
93
99
99
97
97
93
89
86

Low Clouds (% Sky Obscured)

0
0
1
1
8
15
22
23
22
22
17
15
20
34
44
56
50
47
38

Medium Clouds (% Sky Obscured)

6
5
4
4
4
4
4
8
13
17
38
53
73
64
58
52
36
21
6

High Clouds (% Sky Obscured)

25
30
24
20
27
24
22
21
19
14
33
60
88
92
94
94
89
86
77

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
1
4
7
3
7
5
0
0
0
1
2
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
12
16
15
15
16
16
17
23
22
20
20
21
21
16
15
15
15
13

Dew Point (°C)

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

Relative Humidity (%)

93
92
82
73
64
54
46
38
36
35
33
36
39
43
47
51
55
64
72

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1013
1013
1013
1013
1013
1014
1014
1014
1014

Ozone (du)

328
329
329
329
329
329
330
330
330
330
331
333
335
337
339
341
344
343
342

Forecast for Sandhurst, Bracknell Forest, United Kingdom (51.35,-0.79)

Generated: 12/07/25 06:48:17. Forecast: 12/07/25 to 18/07/25. Timezone: UTC+1.00