Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 30

Waxing Crescent 33%

No Rise

22:48

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

Sun - Rise: 05:30, Set: 20:58, Transit: 13:13. Moon - Rise: No Rise, Set: 22:48. Civil Dark: 21:38 - 04:49. Nautical Dark: 22:34 - 03:55. Astro Dark: 23:53 - 02:38

Total Clouds (% Sky Obscured)

84
77
91
95
97
61
67
71
10
35
47
68
80
95
93
93
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

51
77
53
51
48
46
34
47
10
33
10
29
56
73
74
75
75
65
68
62
75
71
68
72

Medium Clouds (% Sky Obscured)

35
70
54
34
1
24
41
49
1
6
36
48
50
77
56
49
47
42
97
93
100
100
100
97

High Clouds (% Sky Obscured)

4
76
91
95
97
61
3
3
2
0
3
14
46
21
58
76
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
0
0
0
4
3
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
3
4
2
29
73
77
83
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.5
0.7
2
1.4
1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
49
49
48
48
47
42
55
67
77
86
92
93
95
96
96
93
98
98
98
96
92
78
71

Pressure (mb)

1020
1019
1019
1019
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

312
311
311
311
311
309
309
307
311
312
312
311
311
312
313
314
315
314
311
312
313
318
318
320

Thursday 31

Waxing Crescent 43%

13:18

23:00

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

Sun - Rise: 05:32, Set: 20:56, Transit: 13:13. Moon - Rise: 13:18, Set: 23:00. Civil Dark: 21:37 - 04:51. Nautical Dark: 22:31 - 03:57. Astro Dark: 23:48 - 02:42

Total Clouds (% Sky Obscured)

98
87
100
100
79
72
58
29
31
37
46
58
53
62
40
30
49
44
55
59
67
71
55
62

Low Clouds (% Sky Obscured)

60
62
85
72
74
57
47
0
0
10
27
47
53
50
36
30
49
44
55
59
67
71
55
62

Medium Clouds (% Sky Obscured)

53
32
46
35
5
22
15
18
23
18
20
13
0
12
7
3
2
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

62
3
48
50
0
0
4
4
1
1
0
0
0
2
1
0
0
0
0
0
0
1
0
0

ISS Passover

Visibility (miles)

6
5
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

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
86
95
95
64
13
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.9
0.5
0.5
0.9
1
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
19
20
19
18
16
14
14
14
13
12
13
13
12
11
11
10
10
10
11
13
14
15

Dew Point (°C)

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

Relative Humidity (%)

63
63
62
61
53
44
48
48
53
63
67
71
80
86
89
90
92
93
80
69
60
52
45
39

Pressure (mb)

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

Ozone (du)

323
330
336
337
336
335
330
328
327
326
326
324
327
327
327
327
326
327
327
328
329
327
327
327

Friday 1

First Quarter 52%

14:31

23:14

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

Sun - Rise: 05:33, Set: 20:54, Transit: 13:13. Moon - Rise: 14:31, Set: 23:14. Civil Dark: 21:35 - 04:53. Nautical Dark: 22:29 - 03:59. Astro Dark: 23:44 - 02:46

Total Clouds (% Sky Obscured)

71
81
77
92
72
38
26
13
17
20
19
18
20
27
32
42
49
100
83
67
54
63
72
74

Low Clouds (% Sky Obscured)

71
31
12
62
61
32
13
4
16
20
19
18
20
23
25
26
17
5
4
4
4
15
29
44

Medium Clouds (% Sky Obscured)

0
18
17
17
9
6
6
3
3
6
5
7
7
9
7
4
0
0
4
7
9
7
47
55

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
32
100
77
56
34
25
15
15

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)

12
12
13
15
15
14
14
11
7
7
7
7
6
5
4
4
4
4
3
5
7
8
8
9

Chance of Frost

Temperature (°C)

18
19
20
20
20
19
18
17
15
14
14
13
12
12
11
11
10
10
12
13
15
16
17
19

Feels Like (°C)

16
17
17
16
16
15
16
15
15
14
13
12
12
12
12
11
10
10
10
11
13
14
14
15

Dew Point (°C)

3
3
3
4
4
4
6
7
8
8
7
8
8
9
9
9
9
9
8
8
7
5
3
3

Relative Humidity (%)

36
33
32
34
35
37
43
50
60
63
64
70
75
81
84
88
90
90
80
70
58
47
39
34

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1018
1018
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

327
328
326
327
328
330
331
330
325
324
323
322
320
319
320
319
317
317
316
315
314
313
313
312

Saturday 2

Waxing Gibbous 62%

15:45

23:34

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 05:35, Set: 20:53, Transit: 13:13. Moon - Rise: 15:45, Set: 23:34. Civil Dark: 21:33 - 04:55. Nautical Dark: 22:26 - 04:02. Astro Dark: 23:40 - 02:50

Total Clouds (% Sky Obscured)

57
85
89
84
76
66
55
65
74
79
83
83
87
92
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

57
71
81
75
65
55
50
43
49
41
35
30
33
21
18
30
36
50
64
75
84
86
87
87

Medium Clouds (% Sky Obscured)

6
43
51
34
32
40
13
49
65
57
63
61
41
50
65
91
89
86
92
97
99
96
99
61

High Clouds (% Sky Obscured)

3
10
10
10
5
1
5
6
9
18
29
47
65
82
100
100
100
100
100
100
100
70
43
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
9
9
9
1
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
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
1
20
39
13
21
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1.5
2.1

Wind Speed/Direction (mph)

9
9
9
10
11
13
12
11
9
9
7
6
5
6
6
6
7
9
10
10
11
14
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
4
5
5
6
8
9
8
9
9
10
10
10
10
11
12
12
13
14
14
15
14
15
16

Relative Humidity (%)

34
33
33
35
37
45
51
52
59
60
67
74
76
75
86
90
92
95
93
95
93
85
90
96

Pressure (mb)

1020
1019
1019
1019
1019
1019
1019
1019
1019
1020
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1017
1017
1017
1017

Ozone (du)

312
312
312
310
308
307
306
305
304
303
302
301
301
301
300
299
299
299
300
302
306
309
309
319

Sunday 3

Waxing Gibbous 71%

16:58

00:01

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

Sun - Rise: 05:36, Set: 20:51, Transit: 13:13. Moon - Rise: 16:58, Set: 00:01. Civil Dark: 21:31 - 04:56. Nautical Dark: 22:24 - 04:04. Astro Dark: 23:35 - 02:54

Total Clouds (% Sky Obscured)

85
70
56
53
55
56
44
30
16
33
57
78
79
82
85
90
94
99
98
98
97
97
98
98

Low Clouds (% Sky Obscured)

76
64
51
43
34
25
18
9
0
0
0
0
0
0
2
0
0
0
7
15
22
40
57
76

Medium Clouds (% Sky Obscured)

77
23
0
10
18
27
19
9
16
21
25
39
62
75
81
84
88
91
93
96
97
96
92
89

High Clouds (% Sky Obscured)

13
15
30
1
25
22
37
30
16
33
57
78
79
77
78
89
94
98
94
89
79
55
39
30

ISS Passover

Visibility (miles)

2
5
5
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

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

Precipitation Probability (%)

95
95
61
45
22
12
1
0
0
0
0
0
0
0
0
3
7
10
15
18
21
39
47
53

Precipitation Amount (mm)

1.4
0.7
0.2
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
13
14
16
15
15
15
13
11
9
8
6
5
5
5
5
5
6
7
8
10
11
13
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
16
18
20
20
19
18
16
14
14
13
13
13
13
13
13
13
13
13
14
14
13
13
13

Dew Point (°C)

16
17
16
16
15
13
11
10
10
11
11
11
11
11
11
11
12
12
12
12
12
12
10
9

Relative Humidity (%)

95
92
78
73
67
61
54
58
64
72
79
82
82
82
82
83
83
84
84
83
80
79
69
61

Pressure (mb)

1017
1017
1016
1016
1016
1017
1017
1018
1018
1019
1019
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1018
1017

Ozone (du)

317
319
321
323
319
317
313
310
308
305
303
300
298
295
293
291
290
289
288
287
286
285
285
286

Monday 4

Waxing Gibbous 80%

18:06

00:39

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 OK
05 OK
06 OK
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 05:38, Set: 20:49, Transit: 13:13. Moon - Rise: 18:06, Set: 00:39. Civil Dark: 21:29 - 04:58. Nautical Dark: 22:22 - 04:06. Astro Dark: 23:31 - 02:58

Total Clouds (% Sky Obscured)

98
99
100
98
96
95
77
62
48
50
50
44
40
33
30
30
33
33
46
57
72
69
61
54

Low Clouds (% Sky Obscured)

77
79
82
85
87
89
73
57
42
44
40
36
34
33
30
30
33
33
46
57
72
69
61
54

Medium Clouds (% Sky Obscured)

86
83
82
72
64
57
54
52
46
31
14
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

21
14
9
6
3
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
2
3
4

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

Precipitation Probability (%)

46
34
26
46
59
68
62
54
41
32
24
12
9
5
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
10
13
15
16
16
16
15
15
13
13
12
11
11
11
10
10
10
10
9
8
8
6
5

Relative Humidity (%)

53
63
73
85
88
92
93
93
95
93
95
93
93
93
93
93
93
92
90
80
69
60
51
43

Pressure (mb)

1017
1016
1015
1014
1014
1014
1014
1014
1015
1016
1017
1017
1018
1019
1019
1019
1020
1020
1021
1021
1022
1022
1022
1022

Ozone (du)

286
287
288
289
290
291
292
294
296
299
301
303
305
306
306
307
307
306
306
305
304
303
302
300

Tuesday 5

Waxing Gibbous 87%

19:05

01:32

13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 OK
04 OK
05 Bad
06 Bad

Sun - Rise: 05:39, Set: 20:48, Transit: 13:13. Moon - Rise: 19:05, Set: 01:32. Civil Dark: 21:27 - 05:00. Nautical Dark: 22:19 - 04:08. Astro Dark: 23:27 - 03:01

Total Clouds (% Sky Obscured)

53
51
50
58
66
74
60
46
36
54
67
76
66
54
44
48
52
55

Low Clouds (% Sky Obscured)

53
51
50
51
50
46
38
30
23
15
7
0
13
28
42
48
52
55

Medium Clouds (% Sky Obscured)

1
1
2
12
22
34
41
46
36
32
17
4
3
1
0
0
0
0

High Clouds (% Sky Obscured)

3
2
1
15
29
40
32
24
20
35
49
74
59
33
6
4
4
7

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
14
14
14
15
14
14
12
10
7
6
6
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

19
20
21
21
21
21
21
18
16
13
12
12
11
11
11
10
11
11

Feels Like (°C)

12
19
18
18
18
18
19
17
16
14
13
13
12
9
10
10
10
10

Dew Point (°C)

4
3
3
2
3
3
4
4
5
5
5
6
7
7
8
7
7
8

Relative Humidity (%)

36
32
30
28
29
31
32
38
47
56
62
68
76
78
81
81
80
79

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1023
1023
1024
1024
1024
1024
1024
1023
1023
1023
1023

Ozone (du)

299
299
299
299
299
299
300
300
300
300
300
300
300
300
299
299
300
300

Forecast for Swindon, Swindon, United Kingdom (51.56,-1.79)

Generated: 30/07/25 13:36:01. Forecast: 30/07/25 to 05/08/25. Timezone: UTC+1.00