Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 11

Waning Gibbous 100%

22:21

05:01

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

Sun - Rise: 05:03, Set: 21:21, Transit: 13:12. Moon - Rise: 22:21, Set: 05:01. Civil Dark: 22:07 - 04:18. Nautical Dark: 23:14 - 03:11. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

2
6
0
0
0
0
0
0
0
0
0
27
39
60
37
45
55
54
39
30
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
27
39
43
37
45
39
34
9
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
32
0
0
43
39
27
22
0
0
0
0

High Clouds (% Sky Obscured)

2
4
0
0
0
0
0
0
0
0
0
6
6
5
3
3
3
3
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 (%)

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)

1
1
2
3
2
2
2
2
3
3
4
4
4
4
3
3
3
4
5
6
5
8
7
6

Chance of Frost

Temperature (°C)

22
20
19
17
15
15
15
17
20
22
25
26
28
29
30
30
30
30
30
29
28
25
22
21

Feels Like (°C)

23
22
21
18
17
17
17
20
22
24
26
28
30
31
32
32
32
31
30
30
29
24
22
21

Dew Point (°C)

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

Relative Humidity (%)

68
74
77
78
79
82
78
67
59
52
46
40
36
32
29
27
26
26
25
25
34
49
55
58

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1019
1019
1018
1018
1017
1017
1017
1018
1018
1018

Ozone (du)

324
323
323
323
323
322
322
320
320
319
319
319
318
320
319
319
319
320
320
321
321
319
321
322

Saturday 12

Waning Gibbous 98%

22:41

06:21

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

Sun - Rise: 05:04, Set: 21:20, Transit: 13:12. Moon - Rise: 22:41, Set: 06:21. Civil Dark: 22:06 - 04:19. Nautical Dark: 23:12 - 03:13. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
74
100
44
5
0
6
9
13
32
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
23
10
0
0
0
6
9
13
32
0
0
0
0

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
40
45
20
3
0
0
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 (%)

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)

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

Chance of Frost

Temperature (°C)

20
19
17
17
16
16
16
18
21
22
24
25
26
27
28
29
29
29
28
28
27
24
22
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
61
62
64
67
69
67
59
51
47
43
39
34
29
26
25
25
26
26
27
32
46
59
67

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1015
1015
1014
1014
1014
1014
1014
1014
1015
1015

Ozone (du)

322
322
322
323
323
324
324
324
326
327
327
326
326
327
328
329
329
329
329
330
332
331
332
331

Sunday 13

Waning Gibbous 95%

22:57

07:44

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

Sun - Rise: 05:06, Set: 21:20, Transit: 13:13. Moon - Rise: 22:57, Set: 07:44. Civil Dark: 22:04 - 04:21. Nautical Dark: 23:10 - 03:15. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
0
11
33
0
6
19
9
3
44
66
85
95
82
76
100
100
100
100
93
92
86

Low Clouds (% Sky Obscured)

0
0
0
0
11
33
0
6
0
0
0
44
66
79
89
72
40
33
53
26
15
4
3
3

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
5
3
1
1
7
12
20
20
18
12
20
18
30
43
83
48

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
0
1
0
1
0
1
14
100
100
100
100
93
86
71

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
3

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
9
15
15
15
10
12
13
23
35

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

Chance of Frost

Temperature (°C)

19
17
16
15
15
14
14
15
17
19
21
23
25
26
26
26
27
27
26
25
24
22
20
20

Feels Like (°C)

21
19
17
16
15
14
15
15
17
19
21
24
25
25
25
24
26
26
26
23
21
20
18
18

Dew Point (°C)

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

Relative Humidity (%)

68
70
68
67
71
86
87
70
64
58
52
46
42
38
38
42
37
34
33
32
32
37
44
46

Pressure (mb)

1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1013
1013
1012
1012
1012
1011
1011
1010
1011
1011
1011
1012
1012

Ozone (du)

332
333
333
333
334
333
333
333
334
333
329
326
326
324
322
320
318
317
318
319
321
320
322
325

Monday 14

Waning Gibbous 88%

23:10

09:07

00 Bad
01 OK
02 OK
03 Good
04 OK
05 OK
06 Bad
07 OK
08 OK
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: 05:07, Set: 21:19, Transit: 13:13. Moon - Rise: 23:10, Set: 09:07. Civil Dark: 22:03 - 04:22. Nautical Dark: 23:08 - 03:17. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

75
33
24
15
25
33
42
29
23
47
49
76
85
68
46
19
39
68
98
95
95
95
90
90

Low Clouds (% Sky Obscured)

1
5
10
14
25
33
42
29
20
5
26
26
35
23
12
0
18
19
10
0
0
0
8
16

Medium Clouds (% Sky Obscured)

44
8
5
3
2
3
0
0
0
0
8
16
28
21
46
19
0
2
0
0
0
0
0
0

High Clouds (% Sky Obscured)

57
33
19
5
3
2
1
0
1
5
1
5
15
15
15
1
25
53
85
90
90
95
90
85

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 (%)

7
5
3
0
0
0
0
0
0
0
0
0
0
0
0
4
13
9
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)

3
4
6
7
8
9
10
13
14
15
16
17
17
17
18
18
19
20
18
18
16
15
13
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
62
64
67
76
87
93
87
74
67
62
52
37
32
38
38
39
63
61
47
47
58
70
80

Pressure (mb)

1012
1012
1012
1012
1012
1012
1013
1013
1014
1014
1014
1015
1015
1015
1015
1015
1016
1016
1017
1017
1018
1019
1019
1020

Ozone (du)

331
340
338
335
332
331
330
331
333
335
336
335
334
333
332
331
332
335
339
341
347
353
361
361

Tuesday 15

Waning Gibbous 80%

23:22

10:30

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 Bad
22 Bad
23 Bad

Sun - Rise: 05:08, Set: 21:18, Transit: 13:13. Moon - Rise: 23:22, Set: 10:30. Civil Dark: 22:02 - 04:24. Nautical Dark: 23:06 - 03:19. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

85
85
85
85
95
95
100
95
96
95
100
95
95
99
98
97
97
96
95
86
80
74
77
80

Low Clouds (% Sky Obscured)

24
19
12
7
8
9
8
6
3
0
18
37
55
53
50
47
46
43
41
27
14
0
0
0

Medium Clouds (% Sky Obscured)

0
7
15
21
26
28
31
34
32
32
40
43
50
39
32
33
32
32
18
8
4
4
5
10

High Clouds (% Sky Obscured)

85
85
85
70
70
76
100
67
70
76
78
77
76
51
30
12
17
18
15
31
43
49
31
34

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
4
5
3
4
4
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
89
92
93
95
96
95
82
59
45
40
40
35
33
31
31
30
31
33
34
41
47
55
61

Pressure (mb)

1020
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023

Ozone (du)

359
358
359
358
348
344
343
341
337
333
330
328
327
325
323
322
321
320
319
318
317
315
314
312

Wednesday 16

Waning Gibbous 70%

23:34

11:52

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

Sun - Rise: 05:09, Set: 21:17, Transit: 13:13. Moon - Rise: 23:34, Set: 11:52. Civil Dark: 22:01 - 04:25. Nautical Dark: 23:04 - 03:21. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

88
79
71
62
49
34
20
38
56
73
57
45
33
35
18
15
14
10
10
7
7
5
2
1

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
4
5
4
2
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

20
23
22
24
18
15
12
20
28
37
26
15
4
4
4
4
5
5
5
5
5
4
2
1

High Clouds (% Sky Obscured)

43
30
16
2
3
4
5
20
35
48
34
19
3
3
2
2
4
4
10
7
7
5
2
1

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
1
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)

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

Chance of Frost

Temperature (°C)

15
13
13
13
13
13
14
15
17
19
21
23
24
26
27
28
28
28
27
27
25
23
20
19

Feels Like (°C)

16
15
11
12
13
12
12
12
16
16
17
17
18
20
27
26
26
25
25
25
25
25
25
23

Dew Point (°C)

9
10
10
10
10
10
9
9
8
8
8
7
7
7
7
7
7
7
7
7
9
10
12
12

Relative Humidity (%)

70
78
79
80
83
78
71
66
56
48
42
37
33
29
28
27
26
27
27
27
36
45
59
63

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1022
1022
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

311
309
307
305
302
301
300
299
297
296
294
294
294
294
294
294
295
295
295
295
295
296
296
296

Thursday 17

Waning Gibbous 59%

23:47

13:16

Sun - Rise: 05:10, Set: 21:15, Transit: 13:13. Moon - Rise: 23:47, Set: 13:16. Civil Dark: 21:59 - 04:26. Nautical Dark: 23:02 - 03:23. 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,-1.79)

Generated: 11/07/25 00:26:26. Forecast: 11/07/25 to 17/07/25. Timezone: UTC+1.00