Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 28

Waxing Gibbous 99%

21:03

02:51

01 OK
02 OK
03 OK
04 Bad
05 Bad
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 OK
19 Good
20 Good
21 Good
22 Good
23 Good
00 OK

Sun - Rise: 04:52, Set: 21:28, Transit: 13:10. Moon - Rise: 21:03, Set: 02:51. Civil Dark: 22:16 - 04:05. Nautical Dark: 23:29 - 02:51. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

11
27
31
97
98
94
89
58
71
72
95
96
100
100
94
100
100
21
0
0
0
0
5
20

Low Clouds (% Sky Obscured)

11
27
31
97
80
75
81
36
63
61
78
82
68
52
13
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

11
5
19
48
53
46
70
33
7
28
0
42
83
57
18
40
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

11
1
0
6
2
0
0
0
0
0
35
94
100
100
94
100
100
21
0
0
0
0
5
20

ISS Passover

Visibility (miles)

9
9
9
1
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 (%)

2
0
0
3
10
1
0
0
4
15
14
1
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)

8
8
9
11
12
11
13
12
14
14
14
14
13
14
14
16
15
15
14
13
11
9
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

17
16
16
16
15
15
14
13
12
14
14
14
13
12
11
8
9
8
9
9
10
11
12
12

Relative Humidity (%)

92
96
98
96
92
89
82
76
68
68
65
63
61
55
51
45
48
48
53
59
68
78
89
93

Pressure (mb)

1015
1015
1015
1015
1015
1016
1016
1017
1017
1018
1018
1019
1019
1019
1020
1020
1020
1021
1022
1022
1023
1024
1024
1025

Ozone (du)

322
322
321
319
318
319
319
322
325
329
330
326
325
324
326
326
330
335
345
357
360
358
350
345

Monday 29

Waxing Gibbous 100%

21:49

03:39

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

Sun - Rise: 04:53, Set: 21:28, Transit: 13:10. Moon - Rise: 21:49, Set: 03:39. Civil Dark: 22:15 - 04:05. Nautical Dark: 23:29 - 02:52. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

58
28
44
63
98
63
43
47
91
96
97
96
90
81
61
19
92
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

33
0
9
15
12
21
30
34
44
34
36
25
12
16
14
15
3
0
11
24
20
22
29
26

Medium Clouds (% Sky Obscured)

0
26
9
59
68
63
9
2
0
26
49
82
88
80
52
3
3
8
40
47
50
62
100
97

High Clouds (% Sky Obscured)

32
28
30
13
65
1
2
12
79
86
88
74
35
5
0
4
89
100
99
99
100
100
100
94

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
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12
66

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
0.2

Wind Speed/Direction (mph)

6
6
5
5
5
6
6
9
9
9
9
9
8
8
8
7
7
6
6
7
7
7
7
6

Chance of Frost

Temperature (°C)

13
12
12
12
12
12
14
15
17
18
19
20
20
21
22
23
23
22
22
21
19
18
17
16

Feels Like (°C)

11
11
11
11
10
11
12
15
16
15
16
17
18
19
20
21
22
21
20
19
18
16
15
15

Dew Point (°C)

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

Relative Humidity (%)

93
95
96
96
96
96
89
78
65
57
51
47
45
47
44
43
43
44
51
62
71
78
77
79

Pressure (mb)

1025
1025
1025
1025
1026
1026
1026
1027
1027
1027
1027
1027
1026
1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

342
342
344
343
342
343
343
342
341
338
338
339
342
347
343
341
337
336
336
334
334
333
334
335

Tuesday 30

Full Moon 100%

22:23

04:38

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

Sun - Rise: 04:53, Set: 21:28, Transit: 13:10. Moon - Rise: 22:23, Set: 04:38. Civil Dark: 22:15 - 04:06. Nautical Dark: 23:28 - 02:53. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
89
86
94
94
100
100
95
87
100
92
89
91
91
93
88
38
74
77
40
81
29
27
28

Low Clouds (% Sky Obscured)

0
0
10
34
45
46
60
28
38
94
32
32
83
58
75
83
37
72
73
40
76
29
27
28

Medium Clouds (% Sky Obscured)

90
88
81
86
79
90
85
35
23
32
38
74
72
70
58
14
7
0
0
0
0
1
1
2

High Clouds (% Sky Obscured)

100
50
49
57
37
99
98
95
35
68
25
20
20
20
25
24
1
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 (%)

44
3
0
0
1
0
0
0
0
0
2
26
20
23
29
36
39
41
26
14
5
4
3
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
3
2
3
3
3
4
5
8
10
12
12
12
13
13
12
12
13
12
9
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
78
72
72
65
70
64
67
62
55
47
42
42
53
54
51
59
56
75
76
82
79
90
92

Pressure (mb)

1025
1024
1023
1024
1023
1023
1023
1023
1023
1022
1022
1021
1021
1021
1020
1019
1019
1019
1020
1020
1021
1021
1021
1022

Ozone (du)

340
344
347
346
353
355
356
357
352
350
349
348
348
351
355
357
360
361
362
365
366
368
370
369

Wednesday 1

Waning Gibbous 99%

22:48

05:47

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

Sun - Rise: 04:54, Set: 21:27, Transit: 13:11. Moon - Rise: 22:48, Set: 05:47. Civil Dark: 22:14 - 04:07. Nautical Dark: 23:27 - 02:54. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

33
34
39
31
41
43
35
61
69
76
89
92
87
83
29
33
28
33
36
28
13
8
11
15

Low Clouds (% Sky Obscured)

33
34
39
31
41
43
35
61
69
72
81
81
69
61
17
14
6
6
10
14
12
8
11
14

Medium Clouds (% Sky Obscured)

7
13
18
12
7
0
0
0
0
7
13
20
21
21
18
24
24
23
22
10
2
1
1
2

High Clouds (% Sky Obscured)

0
0
0
1
1
2
1
3
3
2
0
0
3
1
2
1
3
2
2
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
2
0
2
15
1
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)

8
8
8
8
8
7
8
9
10
10
9
10
10
10
10
10
10
10
10
9
11
10
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
96
96
96
96
90
82
73
65
59
55
55
57
56
49
46
45
47
58
71
82
92
95

Pressure (mb)

1022
1022
1022
1022
1023
1023
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026

Ozone (du)

366
364
364
364
365
362
357
352
347
342
338
335
331
329
325
323
321
319
316
316
316
318
320
323

Thursday 2

Waning Gibbous 96%

23:07

07:01

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

Sun - Rise: 04:55, Set: 21:27, Transit: 13:11. Moon - Rise: 23:07, Set: 07:01. Civil Dark: 22:14 - 04:08. Nautical Dark: 23:26 - 02:56. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

24
36
47
60
61
74
64
77
87
83
80
78
67
58
46
50
54
58
51
46
41
38
35
32

Low Clouds (% Sky Obscured)

21
25
31
40
43
59
62
77
87
83
80
78
58
35
18
26
27
30
28
25
21
12
6
0

Medium Clouds (% Sky Obscured)

1
1
0
9
16
21
0
0
0
8
18
27
21
15
9
6
3
0
0
0
0
5
9
14

High Clouds (% Sky Obscured)

0
0
2
0
0
0
1
2
3
2
2
2
2
2
1
14
30
47
40
28
20
18
17
19

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
1
1
4
5
4
14
17
20
14
9
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
96
96
95
89
89
89
87
72
58
48
43
39
36
37
37
38
45
54
65
73
83

Pressure (mb)

1026
1025
1025
1025
1025
1024
1024
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1026
1027
1028
1028

Ozone (du)

323
321
318
317
317
316
315
316
316
316
316
316
316
318
320
322
326
330
334
333
332
330
331
331

Friday 3

Waning Gibbous 91%

23:22

08:16

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

Sun - Rise: 04:55, Set: 21:27, Transit: 13:11. Moon - Rise: 23:22, Set: 08:16. Civil Dark: 22:13 - 04:09. Nautical Dark: 23:25 - 02:57. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

33
34
35
25
17
11
24
36
47
57
69
81
83
84
86
74
61
49
57
61
60
60
55
50

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
2
5
6
6
6
6
6
4
4
3
3
1
1
1
0
0
0
0

Medium Clouds (% Sky Obscured)

14
12
12
9
5
2
1
1
0
3
4
6
4
2
0
0
1
1
1
0
0
5
9
14

High Clouds (% Sky Obscured)

17
15
14
10
8
8
15
17
22
37
53
62
69
78
83
67
52
38
32
31
45
55
55
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 (%)

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)

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

Chance of Frost

Temperature (°C)

13
12
12
11
12
12
13
15
16
18
19
20
22
22
23
24
24
23
22
20
18
16
15
14

Feels Like (°C)

16
10
11
12
11
11
10
14
14
14
14
15
15
20
20
19
20
20
21
21
20
20
19
19

Dew Point (°C)

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

Relative Humidity (%)

92
93
93
91
87
83
80
67
57
47
42
38
34
31
31
29
31
35
38
46
56
68
75
82

Pressure (mb)

1029
1029
1030
1030
1030
1031
1031
1031
1032
1032
1032
1031
1031
1031
1030
1030
1030
1030
1030
1030
1031
1031
1031
1031

Ozone (du)

331
331
331
331
331
331
330
329
328
327
328
328
329
329
329
329
329
328
328
327
325
324
322
320

Saturday 4

Waning Gibbous 85%

23:34

09:32

Sun - Rise: 04:56, Set: 21:26, Transit: 13:11. Moon - Rise: 23:34, Set: 09:32. Civil Dark: 22:13 - 04:10. Nautical Dark: 23:24 - 02:58. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Swindon, Swindon, United Kingdom (51.56,-1.78)

Generated: 28/06/26 00:50:58. Forecast: 28/06/26 to 04/07/26. Timezone: UTC+1.00