Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waxing Gibbous 85%

17:45

01:31

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

Sun - Rise: 04:50, Set: 21:28, Transit: 13:09. Moon - Rise: 17:45, Set: 01:31. Civil Dark: 22:16 - 04:03. Nautical Dark: 23:31 - 02:48. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

6
14
44
26
31
47
30
2
27
25
25
6
6
14
83
51
1
13
84
26
83
81
81
98

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

6
14
44
19
29
38
20
2
18
19
20
6
4
2
0
0
0
0
5
6
0
4
37
30

High Clouds (% Sky Obscured)

0
12
27
2
0
0
0
0
0
0
0
0
5
14
83
36
1
5
73
26
83
38
48
97

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
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3

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)

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

Chance of Frost

Temperature (°C)

25
24
23
22
22
21
21
21
22
24
26
28
30
32
33
34
34
35
34
33
32
29
26
25

Feels Like (°C)

27
27
24
23
24
23
22
22
23
24
26
29
30
32
34
34
35
36
36
33
32
28
28
28

Dew Point (°C)

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

Relative Humidity (%)

92
95
95
95
95
95
92
84
74
66
61
56
51
48
46
44
39
42
46
51
60
64
67
78

Pressure (mb)

1019
1019
1019
1019
1018
1019
1018
1018
1018
1018
1017
1017
1016
1016
1015
1014
1013
1013
1012
1013
1013
1013
1013
1014

Ozone (du)

320
318
316
314
315
315
314
314
312
312
313
314
314
312
313
315
316
318
320
320
321
320
318
317

Friday 26

Waxing Gibbous 91%

18:57

01:50

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

Sun - Rise: 04:51, Set: 21:28, Transit: 13:10. Moon - Rise: 18:57, Set: 01:50. Civil Dark: 22:16 - 04:03. Nautical Dark: 23:30 - 02:49. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

95
85
100
100
100
100
100
74
28
26
14
0
2
4
3
14
43
66
76
67
52
76
51
56

Low Clouds (% Sky Obscured)

0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
10
26
18
2
0
0
0
0
0

Medium Clouds (% Sky Obscured)

44
36
75
75
59
24
10
0
15
16
10
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

85
57
98
100
100
99
100
70
2
6
0
0
2
3
2
2
21
66
76
57
52
76
51
56

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 (%)

10
24
17
3
1
4
3
1
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)

6
6
5
6
2
5
6
4
8
9
12
13
14
15
15
15
14
13
12
11
9
7
6
5

Chance of Frost

Temperature (°C)

24
24
24
23
22
22
23
24
24
25
27
28
29
29
29
29
28
27
26
25
23
21
20
19

Feels Like (°C)

26
25
26
23
23
22
23
25
26
27
27
29
29
29
28
28
28
28
27
26
24
23
21
20

Dew Point (°C)

21
21
20
15
13
15
18
20
17
18
18
18
18
17
16
15
16
15
16
17
18
17
16
15

Relative Humidity (%)

80
82
80
60
57
62
75
76
66
63
57
56
51
48
45
44
46
47
51
62
70
75
77
77

Pressure (mb)

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

Ozone (du)

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

Saturday 27

Waxing Gibbous 96%

20:04

02:16

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

Sun - Rise: 04:51, Set: 21:28, Transit: 13:10. Moon - Rise: 20:04, Set: 02:16. Civil Dark: 22:16 - 04:04. Nautical Dark: 23:30 - 02:50. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

51
31
54
43
16
52
63
47
27
27
44
39
48
53
51
50
50
50
23
21
20
16
38
54

Low Clouds (% Sky Obscured)

11
22
35
16
0
9
20
29
27
27
27
10
22
22
30
18
18
12
3
3
1
0
2
4

Medium Clouds (% Sky Obscured)

30
31
46
3
0
0
0
0
0
0
39
26
17
51
17
49
26
27
19
18
15
14
10
5

High Clouds (% Sky Obscured)

31
2
20
30
16
33
34
24
3
3
39
29
48
53
51
50
50
50
0
0
0
0
30
54

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 (%)

3
2
3
2
1
1
0
0
0
0
0
0
0
0
0
2
6
6
20
15
15
7
8
10

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
70
65
62
72
77
78
74
70
65
57
50
46
42
39
39
39
40
46
56
66
76
77
81

Pressure (mb)

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

Ozone (du)

316
315
315
315
316
317
316
316
316
314
315
316
316
318
318
318
318
318
317
315
314
314
317
322

Sunday 28

Waxing Gibbous 98%

21:03

02:51

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
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
18 Good
19 Good
20 Good
21 OK
22 Bad
23 Bad

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)

99
58
53
47
58
56
81
94
100
100
100
100
100
100
100
88
52
18
2
3
7
32
52
51

Low Clouds (% Sky Obscured)

7
11
15
18
39
53
68
67
68
80
81
74
76
72
71
65
40
14
0
2
3
5
3
2

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
1
12
23
35
35
40
38
98
45
40
27
15
2
1
1
0
2
0

High Clouds (% Sky Obscured)

99
58
53
47
48
50
76
91
100
100
100
100
100
100
86
55
37
18
0
0
2
24
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 (%)

0
0
0
0
0
0
0
2
5
19
35
44
46
34
22
6
16
16
1
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

17
17
17
16
16
16
17
16
14
13
13
12
8
9
8
8
8
7
7
9
9
8
9
11

Relative Humidity (%)

88
92
95
96
98
98
98
90
83
76
77
71
55
59
54
51
51
48
48
53
58
62
74
83

Pressure (mb)

1015
1014
1014
1015
1015
1015
1016
1016
1016
1016
1017
1017
1018
1018
1019
1019
1019
1020
1020
1021
1021
1022
1023
1023

Ozone (du)

326
331
333
334
335
337
333
331
327
324
325
326
324
327
330
335
347
363
367
356
351
346
345
344

Monday 29

Waxing Gibbous 99%

21:49

03:39

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
13 Bad
14 Bad
15 OK
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 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)

50
57
58
65
72
75
75
82
90
100
97
66
65
58
51
37
67
78
88
87
85
81
85
90

Low Clouds (% Sky Obscured)

0
3
5
6
6
6
6
8
10
12
14
19
22
19
17
15
22
23
28
24
18
11
8
6

Medium Clouds (% Sky Obscured)

33
20
37
26
37
40
40
43
43
62
69
26
28
21
14
6
9
9
11
22
32
40
55
66

High Clouds (% Sky Obscured)

50
50
58
65
68
67
62
72
83
60
72
66
65
58
46
29
52
74
88
68
39
10
34
57

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)

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

Chance of Frost

Temperature (°C)

13
12
12
11
11
12
12
13
14
16
17
18
19
20
21
21
22
21
21
21
19
18
16
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
93
93
96
95
95
92
87
73
64
56
50
48
44
43
42
41
44
47
50
59
70
81
82

Pressure (mb)

1024
1024
1025
1025
1025
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

342
342
341
340
339
339
341
349
353
357
360
357
356
355
353
351
350
349
348
347
348
350
351
353

Tuesday 30

Full Moon 100%

22:23

04:38

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 Bad
23 Bad

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)

95
94
93
92
84
79
78
84
89
95
96
96
97
97
96
90
90
92
96
86
73
47
54
57

Low Clouds (% Sky Obscured)

6
4
2
0
0
0
0
9
17
25
23
23
24
24
26
30
28
26
24
38
48
47
54
57

Medium Clouds (% Sky Obscured)

78
83
86
90
81
71
58
59
61
60
53
45
45
42
43
45
44
42
43
53
66
47
54
57

High Clouds (% Sky Obscured)

82
54
28
2
11
24
44
58
72
73
73
75
75
74
74
74
81
84
90
83
62
32
22
14

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
2
2
2
11
17
25
20
15
3
6
4
1
3
4
0
1
2
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
84
83
84
83
79
75
71
66
61
55
50
45
40
38
36
34
39
45
52
55
58
62
65

Pressure (mb)

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

Ozone (du)

355
357
354
351
347
344
340
336
334
331
329
329
330
330
328
326
324
322
321
320
318
317
316
316

Wednesday 1

Waning Gibbous 99%

22:48

05:47

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)

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: 25/06/26 00:33:34. Forecast: 25/06/26 to 01/07/26. Timezone: UTC+1.00