Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 13

Waning Gibbous 88%

22:54

No Set

08 Bad
09 Bad
10 OK
11 OK
12 Good
13 Good
14 Good
15 OK
16 OK
17 Bad
18 Bad
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: 21:16, Transit: 13:09. Moon - Rise: 22:54, Set: No Set. Civil Dark: 22:00 - 04:20. Nautical Dark: 23:06 - 03:15. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

57
54
44
27
17
3
10
22
40
54
52
36
100
100
100
100
100
100
100
45
54
61
66
86

Low Clouds (% Sky Obscured)

27
16
27
27
17
3
10
22
4
0
0
0
0
0
0
0
16
31
22
14
28
57
53
76

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
6
21
30
23
16
4
9
23
20
100
100
100
19
21
5
12
14

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
5
6
100
100
100
98
100
93
9
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
2
3
3
1
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)

5
5
5
6
6
5
4
5
5
5
5
7
6
4
6
5
5
4
5
5
5
6
8
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
49
42
40
38
36
34
32
29
28
28
26
29
34
34
38
44
50
55
63
74
86
89
77

Pressure (mb)

1014
1013
1013
1013
1012
1012
1011
1010
1009
1009
1009
1008
1009
1009
1010
1010
1011
1011
1010
1010
1010
1010
1011
1011

Ozone (du)

334
337
338
337
334
330
331
328
326
325
326
327
325
323
326
329
331
333
338
335
333
332
331
330

Monday 14

Waning Gibbous 80%

23:07

09:04

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

Sun - Rise: 05:05, Set: 21:15, Transit: 13:09. Moon - Rise: 23:07, Set: 09:04. Civil Dark: 21:59 - 04:21. Nautical Dark: 23:04 - 03:17. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

58
53
46
99
100
80
62
89
36
25
0
79
19
1
0
20
13
26
49
35
78
57
100
93

Low Clouds (% Sky Obscured)

58
53
43
10
61
32
44
49
29
25
0
41
8
0
0
20
13
21
23
34
37
36
36
61

Medium Clouds (% Sky Obscured)

0
0
0
0
29
24
3
31
3
0
0
28
4
0
0
0
0
0
17
35
49
3
59
70

High Clouds (% Sky Obscured)

0
0
3
54
55
30
49
21
13
0
0
0
0
0
0
0
0
6
6
22
15
51
62
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
6
7
2
0
0
0
0
1
1
0
0
0
0
0
0
0
2
1
0
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)

12
13
14
16
16
19
20
18
20
20
20
17
14
10
7
7
7
7
7
7
7
8
8
11

Chance of Frost

Temperature (°C)

20
21
22
23
24
24
23
24
24
24
23
21
19
17
16
15
14
13
12
12
12
12
12
14

Feels Like (°C)

19
20
19
19
21
20
19
20
19
17
17
17
16
16
15
14
14
13
12
12
10
10
10
12

Dew Point (°C)

14
13
12
6
8
9
12
12
7
2
3
6
7
8
9
9
9
10
10
11
11
11
11
10

Relative Humidity (%)

67
61
50
32
34
39
49
45
33
24
27
37
46
53
61
68
74
80
87
93
95
95
89
75

Pressure (mb)

1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

332
333
334
334
335
335
337
340
340
343
345
346
350
357
363
363
361
362
362
362
363
357
355
350

Tuesday 15

Waning Gibbous 70%

23:19

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: 21:14, Transit: 13:10. Moon - Rise: 23:19, Set: 10:26. Civil Dark: 21:58 - 04:22. Nautical Dark: 23:02 - 03:19. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

79
78
97
98
96
98
98
96
98
100
99
100
100
99
100
99
95
88
94
100
100
100
100
93

Low Clouds (% Sky Obscured)

37
46
87
83
77
52
51
57
58
65
72
74
60
50
57
60
54
40
29
15
11
10
9
14

Medium Clouds (% Sky Obscured)

79
78
82
27
51
48
30
22
19
19
18
19
12
5
0
0
0
3
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
2
1
1
0
0
0
67
57
55
61
98
100
99
95
88
94
100
100
100
100
93

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

Precipitation Probability (%)

4
7
21
40
33
25
43
43
54
53
54
52
42
23
11
21
12
13
23
10
2
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
49
41
41
41
42
47
53
58
61
61
67
81
86
92
95
95
95
96
96
96
95
92
83

Pressure (mb)

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

Ozone (du)

347
347
345
344
343
341
340
339
338
337
337
337
339
339
339
336
333
332
331
329
327
329
328
328

Wednesday 16

Waning Gibbous 59%

23:31

11:49

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

Sun - Rise: 05:08, Set: 21:13, Transit: 13:10. Moon - Rise: 23:31, Set: 11:49. Civil Dark: 21:57 - 04:24. Nautical Dark: 23:00 - 03:21. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

96
84
82
75
69
55
36
23
57
62
68
51
40
16
9
12
18
15
13
15
20
20
15
15

Low Clouds (% Sky Obscured)

19
22
18
12
6
4
2
0
0
0
0
0
0
0
0
1
0
10
13
15
20
20
15
15

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
23
39
3
28
40
16
9
12
18
15
13
15
20
20
15
15

High Clouds (% Sky Obscured)

96
84
82
75
69
54
36
22
40
49
66
51
40
16
9
12
1
9
10
10
10
15
15
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
1
0
0
0
3
8
1
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)

12
12
12
12
11
10
9
8
7
7
7
8
7
6
5
5
3
3
3
2
3
3
2
2

Chance of Frost

Temperature (°C)

16
17
19
21
22
24
24
25
26
25
25
25
23
21
20
18
18
16
16
16
15
15
15
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
52
41
36
31
30
28
27
25
25
24
23
27
36
46
56
62
64
57
54
53
55
58
57

Pressure (mb)

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

Ozone (du)

329
325
325
324
323
322
321
320
318
316
314
310
306
301
298
298
297
298
299
300
300
301
306
306

Thursday 17

Waning Gibbous 48%

23:44

13:13

08 OK
09 OK
10 Good
11 Good
12 Good
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK
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: 21:12, Transit: 13:10. Moon - Rise: 23:44, Set: 13:13. Civil Dark: 21:55 - 04:25. Nautical Dark: 22:58 - 03:23. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

20
20
16
13
14
23
32
41
39
41
42
96
93
87
91
95
100
95
89
84
83
83
82
87

Low Clouds (% Sky Obscured)

20
10
4
5
7
16
28
35
23
12
0
36
31
26
35
44
53
59
65
64
57
54
48
52

Medium Clouds (% Sky Obscured)

20
20
16
3
2
23
32
13
19
40
42
50
41
23
32
45
62
60
58
55
66
78
82
87

High Clouds (% Sky Obscured)

15
20
13
13
14
20
20
13
9
15
15
85
70
40
25
20
15
10
10
10
10
15
20
43

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
2
4
12
11
8
31
41
48
41
32
17
15
13
7
20

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
10
12
11
10
11
12
13
13
13
12
12
10
10
11
11
12
13
14
15
16
16
16
16

Relative Humidity (%)

56
53
50
42
38
37
41
43
43
41
41
42
45
48
52
57
62
68
73
80
86
83
82
81

Pressure (mb)

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

Ozone (du)

306
306
306
307
308
306
307
306
306
304
303
301
302
304
305
306
307
307
308
310
311
311
311
310

Friday 18

Third Quarter 36%

00:00

14:39

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 OK
03 OK
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 05:10, Set: 21:11, Transit: 13:10. Moon - Rise: 00:00, Set: 14:39. Civil Dark: 21:54 - 04:27. Nautical Dark: 22:56 - 03:26. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

92
97
96
95
94
96
98
99
98
98
97
92
87
83
66
47
30
29
36
28
54
78
92
86

Low Clouds (% Sky Obscured)

60
67
61
55
49
54
56
61
47
35
23
29
34
40
27
13
0
3
5
8
30
53
75
57

Medium Clouds (% Sky Obscured)

92
97
96
95
94
82
70
73
64
53
24
23
25
35
55
47
30
29
36
28
54
78
92
86

High Clouds (% Sky Obscured)

58
77
73
69
65
75
88
99
98
95
91
64
52
50
45
40
30
29
36
28
40
40
50
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
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
Very Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

27
31
41
44
46
47
50
51
57
50
28
37
42
43
37
35
24
21
15
0
5
8
11
13

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
76
73
72
73
72
66
60
55
54
52
50
58
66
75
75
75
73
73
73
73
74
74
76

Pressure (mb)

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

Ozone (du)

311
312
314
315
316
318
319
321
322
322
321
320
320
319
318
320
321
323
322
321
321
320
319
318

Saturday 19

Waning Crescent 36%

00:23

16:09

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: 05:12, Set: 21:09, Transit: 13:10. Moon - Rise: 00:23, Set: 16:09. Civil Dark: 21:53 - 04:29. Nautical Dark: 22:54 - 03:28. Astro Dark: N/A - 01:26

Total Clouds (% Sky Obscured)

81
74
78
80
81
88
96
100
100
100
100
98
96
92
73
59
47

Low Clouds (% Sky Obscured)

43
30
37
44
51
45
39
32
30
27
19
18
11
10
15
24
33

Medium Clouds (% Sky Obscured)

81
74
78
80
81
68
58
47
37
26
17
15
14
13
11
5
0

High Clouds (% Sky Obscured)

60
45
45
45
46
47
69
100
100
100
100
78
58
37
31
23
8

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

Precipitation Probability (%)

11
2
8
8
10
38
52
62
68
72
76
76
69
58
57
45
16

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
21
23
25
26
28
28
29
30
28
27
26
24
23
20
20
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
61
55
51
46
42
38
35
32
35
37
40
47
57
68
72
76

Pressure (mb)

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

Ozone (du)

317
316
316
315
314
313
313
312
312
312
311
311
311
311
310
310
310

Forecast for Reading, Reading, United Kingdom (51.45,-0.98)

Generated: 13/07/25 08:11:16. Forecast: 13/07/25 to 19/07/25. Timezone: UTC+1.00