Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 13

Waning Gibbous 88%

22:53

No Set

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

Sun - Rise: 05:04, Set: 21:14, Transit: 13:09. Moon - Rise: 22:53, Set: No Set. Civil Dark: 21:59 - 04:19. Nautical Dark: 23:04 - 03:15. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

17
16
0
9
10
8
50
45
63
48
12
30
100
100
100
100
100
100
94
40
82
81
89
77

Low Clouds (% Sky Obscured)

3
0
0
9
10
8
31
33
33
0
0
0
0
0
0
0
0
39
0
0
64
81
78
63

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
19
15
26
22
5
13
11
12
23
29
100
100
41
17
22
3
16
13

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
5
6
100
100
100
100
100
100
11
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
1
1
5
9
7
6
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
5
5
5
5
4
3
4
3
5
10
8
7
8
8
4
4
4
5
6
6
6
8
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
20
22
24
26
27
29
30
30
29
27
26
25
20
18
18
18
17
17
18
18
18
18
18

Dew Point (°C)

10
9
9
9
9
8
9
9
8
8
8
8
9
7
7
11
12
11
12
15
16
16
16
16

Relative Humidity (%)

62
53
44
37
34
31
29
28
27
26
26
29
34
35
40
55
61
60
66
80
90
95
92
84

Pressure (mb)

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

Ozone (du)

336
338
338
336
332
330
331
327
328
327
327
327
323
322
327
329
331
333
338
334
331
331
331
331

Monday 14

Waning Gibbous 80%

23:06

09:04

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

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)

39
55
63
99
100
100
98
100
40
9
0
4
43
26
27
30
28
25
37
39
40
41
100
70

Low Clouds (% Sky Obscured)

39
55
61
36
75
45
41
42
20
9
0
4
43
26
27
30
28
22
27
39
40
41
45
55

Medium Clouds (% Sky Obscured)

0
0
0
0
22
14
5
40
12
0
0
0
0
0
0
0
0
0
15
39
2
0
94
21

High Clouds (% Sky Obscured)

0
0
3
63
65
75
91
62
15
2
0
0
0
0
0
0
0
3
0
10
10
15
85
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
2
2
2
0
0
0
0
0
0
0
0
0
0
0
1
1
7
6
4
4

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)

12
13
15
16
17
19
19
18
19
20
19
17
15
12
12
11
11
10
8
8
7
7
7
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
63
50
32
37
42
47
48
39
38
35
38
44
51
62
70
74
79
90
93
93
95
90
76

Pressure (mb)

1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1015
1015
1016
1016
1016
1016
1015
1016
1016
1015

Ozone (du)

331
332
332
332
332
333
335
339
340
343
346
348
348
354
359
365
364
365
363
362
363
356
353
348

Tuesday 15

Waning Gibbous 70%

23:18

10:26

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
07 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)

93
91
91
99
94
94
95
96
98
100
99
100
100
100
100
100
100
98
96
94
96
98
100
100

Low Clouds (% Sky Obscured)

46
46
40
49
61
63
70
66
71
70
65
69
63
67
59
65
69
62
47
33
17
9
0
13

Medium Clouds (% Sky Obscured)

79
91
24
33
30
29
23
22
23
23
24
20
21
16
3
0
1
1
54
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
1
1
1
1
1
1
45
82
40
100
77
81
100
100
91
92
90
86
91
95
100
100

ISS Passover

Visibility (miles)

9
9
9
9
7
7
9
9
9
9
9
9
9
6
7
9
4
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 (%)

8
12
28
48
48
35
29
35
31
41
46
41
42
36
29
31
21
25
30
23
15
2
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)

14
16
18
18
19
20
20
19
20
18
17
16
16
15
14
13
13
13
11
10
10
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
13
13
14
14
14
13
13
13
13
14
13
13
13
13
13
12
12
13
13
12
12
12
12

Dew Point (°C)

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

Relative Humidity (%)

63
48
44
52
57
45
44
44
48
57
54
60
67
75
85
89
90
86
87
93
93
95
93
87

Pressure (mb)

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

Ozone (du)

345
344
342
341
338
337
338
337
335
336
336
335
336
338
338
337
334
331
328
326
327
328
327
326

Wednesday 16

Waning Gibbous 59%

23:30

11:48

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

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)

86
86
72
57
44
36
26
19
47
77
94
78
62
45
38
30
21
14
12
10
10
10
5
5

Low Clouds (% Sky Obscured)

27
38
29
20
11
8
5
3
2
1
0
0
0
0
2
2
21
14
12
10
10
10
5
5

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
3
3
3
23
51
45
38
30
21
14
12
10
10
10
5
5

High Clouds (% Sky Obscured)

86
86
72
54
35
30
24
16
43
70
93
72
52
36
31
25
1
3
12
10
10
10
5
5

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
1
2
1
0
0
7
11
3
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
0
0

Wind Speed/Direction (mph)

11
12
13
11
11
10
9
8
8
7
7
7
6
6
4
4
4
4
3
3
3
3
2
2

Chance of Frost

Temperature (°C)

16
18
19
21
22
23
24
25
26
26
25
25
24
22
21
19
18
17
16
15
15
15
16
16

Feels Like (°C)

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

Dew Point (°C)

12
8
5
4
4
3
3
3
4
3
2
2
3
6
7
8
8
10
10
11
10
10
10
10

Relative Humidity (%)

74
52
38
33
30
27
25
24
24
23
22
22
26
34
41
48
53
62
66
74
74
72
69
66

Pressure (mb)

1017
1017
1017
1017
1018
1018
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1019
1019
1018
1018
1018
1018
1019
1019

Ozone (du)

327
324
324
324
322
321
321
319
317
315
312
308
304
299
297
296
295
297
298
299
299
299
304
305

Thursday 17

Waning Gibbous 48%

23:43

13:12

08 Good
09 Good
10 Good
11 OK
12 OK
13 OK
14 OK
15 OK
16 OK
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

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)

5
10
16
28
39
39
39
39
42
48
54
99
99
98
99
99
100
98
97
96
95
94
94
95

Low Clouds (% Sky Obscured)

5
10
14
24
36
24
12
0
0
0
0
44
45
45
48
51
47
53
61
68
63
59
54
54

Medium Clouds (% Sky Obscured)

5
10
16
5
4
9
16
39
42
48
39
58
32
29
30
40
50
40
34
32
48
66
80
85

High Clouds (% Sky Obscured)

5
10
16
15
14
20
20
16
29
35
31
75
53
26
23
19
15
10
10
15
5
5
20
49

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

Precipitation Probability (%)

0
0
0
0
0
0
2
3
3
4
4
14
15
13
39
51
58
51
42
24
22
20
3
12

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
21
22
24
26
27
27
28
27
27
26
26
22
21
19
19
19
19
18
18
18
18
19
19

Feels Like (°C)

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

Dew Point (°C)

10
11
12
11
11
12
12
12
13
13
13
14
14
16
18
18
18
18
18
17
17
17
17
17

Relative Humidity (%)

59
52
52
43
40
39
39
38
41
43
43
47
58
74
91
92
93
93
95
95
95
92
90
89

Pressure (mb)

1019
1019
1019
1019
1018
1018
1018
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

304
304
305
306
307
306
306
305
304
303
301
299
300
302
304
305
306
307
308
309
310
311
311
311

Friday 18

Third Quarter 36%

00:00

14:38

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 OK
04 Bad
05 Bad
06 Bad
07 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)

97
98
99
99
100
100
99
100
98
96
95
91
86
87
74
49
36
42
47
44
56
69
82
70

Low Clouds (% Sky Obscured)

55
56
58
60
62
63
63
60
47
39
30
29
30
31
21
11
0
11
22
33
43
53
60
48

Medium Clouds (% Sky Obscured)

91
96
93
90
88
80
73
80
77
68
46
37
31
37
56
49
36
42
47
44
56
69
82
70

High Clouds (% Sky Obscured)

63
84
89
94
100
100
99
100
98
96
95
64
43
45
50
49
36
42
45
44
45
35
45
50

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 (%)

14
13
24
32
38
34
31
22
30
30
17
26
28
22
21
18
7
6
4
0
2
3
4
7

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
3
4
3
5
7
5
4
3
3
4
6
5
4
3
2
2
2
1
1
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
75
69
65
59
55
50
46
41
40
39
38
45
52
59
62
64
68
67
67
66
65
63
61

Pressure (mb)

1016
1016
1015
1015
1015
1015
1014
1014
1014
1013
1013
1012
1013
1013
1013
1013
1014
1014
1013
1013
1012
1012
1012
1012

Ozone (du)

313
314
315
316
317
318
320
321
323
321
320
319
319
319
319
320
321
322
321
321
320
320
319
318

Saturday 19

Waning Crescent 36%

00:22

16:08

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

Sun - Rise: 05:11, Set: 21:08, Transit: 13:09. Moon - Rise: 00:22, Set: 16:08. Civil Dark: 21:51 - 04:28. Nautical Dark: 22:52 - 03:28. Astro Dark: N/A - 01:33

Total Clouds (% Sky Obscured)

57
48
60
73
82
85
95
100
100
100
100
99
98
96
79
64
51

Low Clouds (% Sky Obscured)

36
24
33
42
52
47
38
31
29
25
18
11
8
6
11
16
28

Medium Clouds (% Sky Obscured)

57
48
60
73
76
55
38
25
25
31
33
23
13
3
2
1
0

High Clouds (% Sky Obscured)

45
45
48
51
59
64
79
100
100
100
100
86
74
62
45
26
10

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

6
1
7
10
10
43
59
70
76
79
81
65
54
40
35
26
6

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.4
0.6
0.7
0.8
0.4
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
22
23
25
27
29
29
29
29
28
27
26
24
22
20
19
18

Feels Like (°C)

20
20
21
21
21
21
30
28
27
26
26
26
23
24
24
22
22

Dew Point (°C)

12
13
14
13
14
13
13
13
13
13
13
12
13
14
14
14
14

Relative Humidity (%)

59
57
55
48
42
36
37
37
38
40
41
42
50
59
70
73
77

Pressure (mb)

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

Ozone (du)

317
317
316
315
314
312
312
312
312
311
311
310
310
311
311
310
310

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

Generated: 13/07/25 08:14:10. Forecast: 13/07/25 to 19/07/25. Timezone: UTC+1.00