Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 12

Waning Gibbous 95%

22:37

06:17

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

Sun - Rise: 05:01, Set: 21:16, Transit: 13:08. Moon - Rise: 22:37, Set: 06:17. Civil Dark: 22:01 - 04:17. Nautical Dark: 23:07 - 03:11. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
1
0
10
68
16
0
0
20
36
43
36
45
23
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
7
9
0
0
20
36
43
36
45
23
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
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
1
0
4
22
4
0
0
0
0
5
1
0
2
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
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)

2
2
4
5
6
7
8
9
10
10
10
10
10
11
9
7
4
3
4
4
5
5
5
5

Chance of Frost

Temperature (°C)

16
18
21
23
25
26
28
29
29
30
30
30
29
28
26
24
22
21
19
18
17
16
15
14

Feels Like (°C)

19
20
22
24
26
27
27
28
28
29
29
29
27
26
26
25
23
22
20
17
17
16
16
15

Dew Point (°C)

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

Relative Humidity (%)

66
59
54
49
46
43
36
32
30
28
27
26
27
33
41
47
51
54
56
61
68
73
78
86

Pressure (mb)

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

Ozone (du)

325
325
326
326
328
330
332
331
332
332
332
331
330
330
334
334
334
336
339
340
339
339
338
337

Sunday 13

Waning Gibbous 89%

22:53

07:40

06 Good
07 Good
08 OK
09 OK
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

Sun - Rise: 05:03, Set: 21:15, Transit: 13:08. Moon - Rise: 22:53, Set: 07:40. Civil Dark: 22:00 - 04:18. Nautical Dark: 23:05 - 03:13. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
4
19
27
54
70
97
82
76
90
76
73
65
72
82
100
100
100
100
100
95
49
50
36

Low Clouds (% Sky Obscured)

0
4
4
0
25
50
33
57
37
22
15
26
14
35
69
72
57
42
38
54
30
0
5
16

Medium Clouds (% Sky Obscured)

0
0
5
10
20
27
47
38
34
33
32
25
20
20
25
34
41
63
75
84
47
31
25
16

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
0
1
3
4
45
64
100
100
100
100
100
80
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
1
0
0
0
0
7
1
2
3
4
14
13
35
59
10
3
2
5
2
1
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
7
7
7
8
8
7
7
7
5
5
4
5
3
4
4
4
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

14
16
18
20
22
24
25
25
26
26
27
27
27
27
26
24
23
21
20
19
18
18
17
16

Feels Like (°C)

15
17
18
21
22
24
25
25
25
25
27
27
28
27
26
24
22
20
19
17
17
18
17
16

Dew Point (°C)

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

Relative Humidity (%)

83
69
63
59
52
48
44
42
43
46
43
42
41
42
55
66
61
57
59
60
64
70
74
81

Pressure (mb)

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

Ozone (du)

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

Monday 14

Waning Gibbous 80%

23:06

09:03

06 OK
07 Good
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 OK
22 Bad
23 Good
00 Good
01 Good
02 Good
03 OK
04 OK
05 OK

Sun - Rise: 05:04, Set: 21:14, Transit: 13:08. Moon - Rise: 23:06, Set: 09:03. Civil Dark: 21:58 - 04:20. Nautical Dark: 23:03 - 03:15. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

46
18
76
49
46
46
57
68
73
51
88
84
79
71
64
38
60
18
0
4
9
12
15
19

Low Clouds (% Sky Obscured)

35
18
74
44
46
45
10
30
49
50
74
62
61
53
58
37
41
0
0
4
9
11
14
18

Medium Clouds (% Sky Obscured)

18
0
3
3
0
0
15
15
11
0
9
19
79
9
14
2
13
6
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
9
5
0
25
25
35
40
19
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
3
0
0
0
0
0
0
0
0
0
0
4
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
7
10
12
13
15
15
15
15
19
19
16
15
13
15
11
8
8
7
7
6
6
6
6

Chance of Frost

Temperature (°C)

16
17
19
21
23
24
25
26
26
25
25
24
23
22
21
19
17
15
14
13
12
11
11
11

Feels Like (°C)

16
18
19
20
21
21
22
22
22
20
20
19
19
18
15
16
16
14
13
12
12
11
10
10

Dew Point (°C)

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

Relative Humidity (%)

81
73
62
53
48
44
40
30
28
31
32
41
44
38
38
44
57
66
73
80
87
91
93
93

Pressure (mb)

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

Ozone (du)

335
333
333
332
331
331
332
334
340
337
339
342
344
345
346
347
349
351
354
359
362
364
363
361

Tuesday 15

Waning Gibbous 70%

23:17

10:25

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

Sun - Rise: 05:05, Set: 21:13, Transit: 13:08. Moon - Rise: 23:17, Set: 10:25. Civil Dark: 21:57 - 04:21. Nautical Dark: 23:01 - 03:18. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

22
45
64
84
91
99
99
100
100
100
94
89
83
66
50
31
26
18
10
10
15
20
47
73

Low Clouds (% Sky Obscured)

21
30
35
40
39
36
36
49
62
76
72
68
66
50
49
23
17
18
10
10
15
20
25
25

Medium Clouds (% Sky Obscured)

0
22
49
72
79
78
74
64
45
40
94
89
83
66
50
31
26
18
10
10
15
20
47
45

High Clouds (% Sky Obscured)

0
0
0
0
0
0
10
10
2
10
10
9
20
30
35
31
26
13
6
3
2
4
33
60

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
None
Very 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 (%)

0
0
0
1
19
26
36
47
60
75
75
74
65
56
41
15
17
11
0
6
21
28
35
8

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
13
15
17
19
19
19
19
18
18
17
17
18
18
17
17
15
15
15
14
14
14
14
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
77
65
52
44
36
37
40
43
46
49
47
42
43
43
48
57
62
61
76
87
89
92
93

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1015
1015

Ozone (du)

360
355
352
349
344
342
340
336
334
331
328
328
326
323
320
318
315
312
309
305
301
300
299
300

Wednesday 16

Waning Gibbous 67%

23:29

11:47

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: 05:06, Set: 21:12, Transit: 13:08. Moon - Rise: 23:29, Set: 11:47. Civil Dark: 21:56 - 04:22. Nautical Dark: 22:59 - 03:20. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
83
68
52
50
50
54
66
78
90
64
39
14
55
45
25
30
33
42
51
64
77
75
74

Low Clouds (% Sky Obscured)

25
24
33
38
38
42
46
37
25
15
13
10
7
30
15
0
13
26
39
50
64
75
75
74

Medium Clouds (% Sky Obscured)

35
35
27
8
40
40
35
38
40
30
24
17
14
41
45
25
30
33
42
51
64
71
69
67

High Clouds (% Sky Obscured)

86
64
38
12
29
31
31
30
47
62
64
33
14
55
45
25
24
19
15
17
19
21
15
12

ISS Passover

Visibility (miles)

9
9
9
9
9
9
4
8
5
9
9
4
7
7
8
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
Very Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

9
7
19
22
19
56
33
54
34
32
37
45
34
43
35
24
23
23
22
21
20
17
17
17

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
96
95
86
82
88
93
92
94
92
92
91
91
92
92
93
92
93
95
95
95
93
95
93

Pressure (mb)

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

Ozone (du)

300
300
300
299
301
300
300
303
305
305
307
309
311
312
313
314
316
319
322
325
322
319
316
314

Thursday 17

Waning Gibbous 59%

23:43

13:11

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: 05:08, Set: 21:11, Transit: 13:09. Moon - Rise: 23:43, Set: 13:11. Civil Dark: 21:55 - 04:24. Nautical Dark: 22:57 - 03:22. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

74
65
57
48
65
82
100
100
100
100
98
96
95
85
74
64
75
87
99
99
98
99
83
66

Low Clouds (% Sky Obscured)

74
65
52
38
54
68
81
72
60
48
61
75
90
66
43
20
14
7
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

62
58
54
47
64
79
94
96
96
87
79
77
90
74
56
36
33
27
23
27
32
33
25
15

High Clouds (% Sky Obscured)

17
29
32
36
57
77
100
99
98
97
65
36
15
39
41
42
56
71
86
90
93
96
70
42

ISS Passover

Visibility (miles)

9
9
9
9
9
8
6
4
6
7
9
9
8
8
8
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
Very 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

Precipitation Probability (%)

17
26
33
38
43
49
54
65
73
79
71
63
54
46
33
7
6
3
0
0
1
0
2
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
90
86
82
79
75
73
70
75
81
88
89
90
92
92
92
92
92
92
93
95
95
95
93

Pressure (mb)

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

Ozone (du)

312
309
309
308
308
309
310
311
313
316
319
319
319
319
321
322
323
325
326
327
328
328
328
329

Friday 18

Third Quarter 48%

23:59

14:38

06 Bad
07 Bad
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: 05:09, Set: 21:10, Transit: 13:09. Moon - Rise: 23:59, Set: 14:38. Civil Dark: 21:53 - 04:26. Nautical Dark: 22:55 - 03:24. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

49
41
33
21
29
34
34
37
54
63
84
94
98
98
98
98
97
95
94

Low Clouds (% Sky Obscured)

0
0
0
1
8
13
21
18
18
17
11
5
1
1
2
1
1
0
0

Medium Clouds (% Sky Obscured)

10
7
5
3
3
2
2
12
20
29
47
64
79
79
78
78
61
44
25

High Clouds (% Sky Obscured)

23
28
27
21
25
29
29
20
8
5
28
51
74
81
87
92
87
84
80

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
6
7
8
8
8
5
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
89
78
69
60
50
41
35
32
29
26
30
33
36
43
51
61
66
73

Pressure (mb)

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

Ozone (du)

329
330
330
330
330
331
331
332
332
332
333
334
335
337
339
341
343
343
343

Forecast for Bray Court, Windsor and Maidenhead, United Kingdom (51.50,-0.70)

Generated: 12/07/25 06:51:07. Forecast: 12/07/25 to 18/07/25. Timezone: UTC+1.00