Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 26

Full Moon 100%

18:34

06:38

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
00 Bad
01 Good

Sun - Rise: 07:00, Set: 18:55, Transit: 12:58. Moon - Rise: 18:34, Set: 06:38. Civil Dark: 19:29 - 06:27. Nautical Dark: 20:08 - 05:48. Astro Dark: 20:48 - 05:07

Total Clouds (% Sky Obscured)

94
99
89
100
100
100
100
100
100
75
77
83
94
100
100
99
100
62
96
56
50
55
57
10

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
4
7
5
9
13
14
19
11
14
2
0
0
0
0

Medium Clouds (% Sky Obscured)

94
65
58
57
3
0
0
0
0
0
0
0
14
9
47
41
42
50
68
56
50
55
57
3

High Clouds (% Sky Obscured)

89
51
61
100
100
100
100
100
100
74
74
76
87
100
100
96
100
59
93
56
50
55
56
5

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 (%)

9
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
2
2
2
2
2
2
3
4
4
4
4
4
4
4
3
2
1
2
3
3
3
4

Chance of Frost

Temperature (°C)

12
11
10
9
9
9
10
12
14
15
17
18
18
18
18
18
17
15
14
13
11
10
9
9

Feels Like (°C)

10
9
9
8
8
8
9
10
13
13
15
15
16
16
16
16
16
13
13
11
10
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

76
78
84
87
84
84
81
73
65
55
49
46
46
45
44
46
56
67
70
70
70
71
73
80

Pressure (mb)

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

Ozone (du)

289
291
292
295
299
299
299
300
301
301
301
300
299
298
296
295
294
293
292
294
295
296
297
297

Sunday 27

Waning Gibbous 98%

18:47

07:59

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
00 Bad
01 Bad

Sun - Rise: 07:02, Set: 18:53, Transit: 12:57. Moon - Rise: 18:47, Set: 07:59. Civil Dark: 19:26 - 06:29. Nautical Dark: 20:05 - 05:49. Astro Dark: 20:46 - 05:09

Total Clouds (% Sky Obscured)

52
52
72
55
98
93
97
95
94
98
99
100
97
99
100
98
95
100
100
100
100
100
97
99

Low Clouds (% Sky Obscured)

0
0
0
8
14
24
17
27
31
83
91
94
81
97
81
68
72
10
52
56
64
63
65
63

Medium Clouds (% Sky Obscured)

41
35
7
21
21
69
93
83
88
96
95
94
73
86
81
60
85
45
39
36
41
90
86
98

High Clouds (% Sky Obscured)

50
47
67
39
95
67
60
60
65
73
72
75
79
57
100
70
87
97
100
100
99
100
95
98

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
9
9
9
9
9
9
9
9
9
9
5
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
Very Light Rain
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
12
22
36
59
13
36
51
43
10
7
1
0
0
21
39
40
35
12

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
4
5
5
6
6
7
10
12
14
14
14
15
14
16
13
13
10
9
8
8
7
6
4

Chance of Frost

Temperature (°C)

8
9
10
10
11
11
12
14
15
17
18
17
17
17
17
18
17
16
15
14
14
14
13
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
85
85
85
84
80
75
74
71
82
88
86
76
81
82
85
87
89
90
90
90
92
95

Pressure (mb)

1020
1019
1018
1017
1017
1016
1015
1015
1014
1013
1013
1012
1012
1011
1011
1011
1011
1012
1013
1013
1014
1014
1014
1015

Ozone (du)

298
297
296
295
294
295
294
293
293
292
292
293
293
292
292
293
293
292
291
292
291
291
291
292

Monday 28

Waning Gibbous 98%

19:03

09:23

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
00 Bad
01 Bad

Sun - Rise: 07:03, Set: 18:51, Transit: 12:57. Moon - Rise: 19:03, Set: 09:23. Civil Dark: 19:24 - 06:30. Nautical Dark: 20:03 - 05:51. Astro Dark: 20:43 - 05:11

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
95
98
84
86
100
100
100
100
100
100
64
53
48
43

Low Clouds (% Sky Obscured)

28
20
22
13
34
13
2
7
7
0
15
22
22
25
34
19
0
4
10
15
23
29
36
33

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
28
18
19
65
23
28
26
19
77
54
0
13
27
35
35
30
30
28

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
86
93
51
60
100
100
100
100
100
100
58
52
48
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
1
55
100
100
100
98
94
99
1
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 (%)

8
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
17
24
43

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
98
96
93
90
81
72
66
61
58
53
51
49
50
58
61
63
64
70
74
79
83

Pressure (mb)

1015
1015
1015
1016
1016
1017
1018
1018
1018
1018
1018
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017

Ozone (du)

293
294
294
296
297
299
301
302
304
305
306
305
304
306
307
306
307
307
307
310
310
307
305
304

Tuesday 29

Waning Gibbous 93%

19:24

10:50

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
00 Bad
01 Bad

Sun - Rise: 07:05, Set: 18:49, Transit: 12:57. Moon - Rise: 19:24, Set: 10:50. Civil Dark: 19:22 - 06:32. Nautical Dark: 20:01 - 05:53. Astro Dark: 20:41 - 05:13

Total Clouds (% Sky Obscured)

38
43
34
34
77
98
99
99
99
99
99
98
97
95
96
91
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

31
34
32
31
66
88
92
94
88
82
77
80
57
85
41
43
58
71
38
34
30
9
6
67

Medium Clouds (% Sky Obscured)

26
20
17
14
11
12
14
18
26
41
10
55
0
0
13
26
34
89
96
94
98
98
91
96

High Clouds (% Sky Obscured)

38
43
34
34
35
85
92
89
83
68
96
92
86
80
87
76
98
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
2
1
9
9
9
9
9
9
4
9
9
9
5
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
Light Rain
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

52
56
53
57
54
52
52
59
54
43
26
11
27
36
43
25
7
27
69
69
66
34
32
33

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
93
95
95
95
96
93
96
96
96
86
76
73
67
76
81
88
93
92
95
93
92
89
89

Pressure (mb)

1016
1016
1015
1015
1014
1014
1013
1013
1013
1013
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1009
1009

Ozone (du)

305
305
304
303
301
300
300
299
298
297
296
294
292
291
287
287
286
284
281
280
279
279
279
279

Wednesday 30

Waning Gibbous 86%

19:53

12:18

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 OK
19 OK
20 OK
21 Good
22 OK
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:07, Set: 18:46, Transit: 12:56. Moon - Rise: 19:53, Set: 12:18. Civil Dark: 19:19 - 06:33. Nautical Dark: 19:58 - 05:55. Astro Dark: 20:38 - 05:15

Total Clouds (% Sky Obscured)

100
100
100
99
98
98
96
95
88
52
39
47
54
61
47
33
24
21
18
15
30
46
55
47

Low Clouds (% Sky Obscured)

73
78
80
82
84
86
88
84
32
25
25
30
36
40
28
15
7
5
5
5
3
3
3
3

Medium Clouds (% Sky Obscured)

95
94
95
96
96
95
93
91
83
10
0
11
23
32
23
12
3
3
4
8
23
37
50
40

High Clouds (% Sky Obscured)

100
100
90
77
60
45
45
40
45
15
15
9
4
0
0
0
0
0
1
1
1
0
0
5

ISS Passover

Visibility (miles)

9
7
2
7
1
1
2
2
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
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

60
95
95
95
95
95
95
30
14
13
22
24
18
6
11
10
3
3
4
1
4
5
4
13

Precipitation Amount (mm)

0
0.8
1.2
1.1
1.6
3.1
1.9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
14
16
16
14
16
14
9
11
12
16
17
17
16
16
14
13
11
10
9
8
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
15
15
15
15
15
15
14
14
15
16
16
16
15
15
16
16
16
12
14
15
15
15
15

Dew Point (°C)

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

Relative Humidity (%)

90
92
92
95
96
96
95
96
87
85
69
61
60
58
56
63
72
79
83
86
89
90
90
92

Pressure (mb)

1009
1008
1008
1008
1008
1008
1008
1009
1010
1011
1011
1011
1012
1012
1012
1013
1013
1014
1014
1015
1015
1016
1016
1016

Ozone (du)

280
281
280
281
280
280
282
284
286
288
290
292
294
297
299
299
298
298
300
302
304
306
308
310

Thursday 1

Waning Gibbous 76%

20:36

13:42

02 Bad
03 Bad
04 OK
05 OK
06 Bad
07 Bad
08 Bad
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 OK
23 OK
00 OK
01 Bad

Sun - Rise: 07:08, Set: 18:44, Transit: 12:56. Moon - Rise: 20:36, Set: 13:42. Civil Dark: 19:17 - 06:35. Nautical Dark: 19:56 - 05:56. Astro Dark: 20:36 - 05:16

Total Clouds (% Sky Obscured)

44
37
37
38
39
39
44
40
70
85
87
77
68
60
43
28
11
20
28
40
36
33
29
53

Low Clouds (% Sky Obscured)

3
3
4
4
8
7
8
10
21
30
40
46
50
54
41
23
7
5
3
0
0
0
0
0

Medium Clouds (% Sky Obscured)

35
26
20
11
2
2
1
1
8
15
22
28
35
42
30
17
1
1
0
0
1
2
3
3

High Clouds (% Sky Obscured)

10
20
30
35
39
39
44
40
63
79
76
56
40
24
18
11
6
14
26
40
36
32
28
53

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

Precipitation Probability (%)

13
11
9
7
8
10
8
1
10
14
16
36
50
64
58
50
42
29
17
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
6
6
6
7
7
9
11
13
14
15
16
16
15
15
12
10
8
7
7
7
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
93
95
95
95
93
87
80
74
68
63
58
64
70
77
80
84
90
90
90
90
92
93
95

Pressure (mb)

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

Ozone (du)

311
313
314
314
315
315
315
315
315
315
316
316
315
315
315
313
312
310
309
308
307
306
305
304

Friday 2

Waning Gibbous 66%

21:37

14:52

Sun - Rise: 07:10, Set: 18:42, Transit: 12:56. Moon - Rise: 21:37, Set: 14:52. Civil Dark: 19:15 - 06:37. Nautical Dark: 19:54 - 05:58. Astro Dark: 20:33 - 05:18

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: 26/09/26 02:08:34. Forecast: 26/09/26 to 02/10/26. Timezone: UTC+1.00