Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 20

Waxing Gibbous 68%

16:57

No Set

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 OK
19 Bad
20 OK
21 Good
22 OK
23 Bad

Sun - Rise: 06:50, Set: 19:09, Transit: 13:00. Moon - Rise: 16:57, Set: No Set. Civil Dark: 19:43 - 06:17. Nautical Dark: 20:22 - 05:37. Astro Dark: 21:04 - 04:56

Total Clouds (% Sky Obscured)

89
91
93
95
94
97
100
96
87
100
100
94
100
100
100
100
100
86
40
51
30
5
29
61

Low Clouds (% Sky Obscured)

55
54
71
65
39
32
28
14
0
22
32
23
24
26
21
25
18
16
16
15
11
2
0
1

Medium Clouds (% Sky Obscured)

89
66
78
68
82
97
94
94
87
70
68
72
17
13
5
10
8
7
4
9
9
5
5
7

High Clouds (% Sky Obscured)

89
91
93
95
88
90
100
79
54
100
79
66
100
100
100
100
100
85
17
24
11
0
18
41

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 (%)

1
0
1
0
0
0
0
0
0
0
3
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
9
9
9
9
9
8
7
9
9
9
9
9
10
10
10
9
7
5
3
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
14
14
13
11
11
10
10
9
9
8
7
6
5
5
4
4
3
5
6
5
5
4
4

Relative Humidity (%)

87
87
89
85
82
86
84
84
80
72
65
59
53
48
45
42
41
41
47
54
57
60
59
60

Pressure (mb)

1021
1021
1021
1021
1022
1022
1023
1024
1025
1026
1027
1028
1028
1028
1028
1029
1029
1029
1029
1030
1031
1032
1032
1032

Ozone (du)

285
288
286
289
290
288
288
288
287
283
282
283
284
283
285
284
284
284
282
281
282
283
282
281

Monday 21

Waxing Gibbous 77%

17:22

00:15

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

Sun - Rise: 06:52, Set: 19:07, Transit: 13:00. Moon - Rise: 17:22, Set: 00:15. Civil Dark: 19:40 - 06:19. Nautical Dark: 20:20 - 05:39. Astro Dark: 21:01 - 04:58

Total Clouds (% Sky Obscured)

95
100
100
96
65
11
52
74
82
75
84
58
64
79
48
55
53
64
41
37
35
33
36
58

Low Clouds (% Sky Obscured)

0
6
12
13
16
3
24
63
75
59
61
27
25
47
31
22
31
49
22
15
13
10
11
12

Medium Clouds (% Sky Obscured)

7
11
12
8
3
4
24
32
31
21
23
17
18
3
1
15
11
9
9
4
3
1
3
7

High Clouds (% Sky Obscured)

91
100
100
90
49
4
4
1
1
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

11
10
10
10
10
10
10
10
11
13
15
16
18
20
21
21
22
22
21
20
18
17
16
16

Feels Like (°C)

10
9
9
8
8
9
10
10
11
14
15
16
18
20
22
23
22
23
23
22
21
19
19
18

Dew Point (°C)

4
4
4
4
4
4
4
6
7
7
6
6
8
10
11
12
12
13
14
14
13
13
13
14

Relative Humidity (%)

62
64
65
63
63
66
67
73
72
64
54
51
51
53
53
53
53
55
62
70
73
77
81
86

Pressure (mb)

1032
1033
1032
1032
1032
1032
1032
1032
1033
1033
1033
1033
1032
1032
1032
1031
1031
1030
1030
1030
1031
1031
1031
1031

Ozone (du)

279
277
278
278
275
274
273
273
274
273
273
272
272
270
268
268
268
269
268
269
269
268
268
270

Tuesday 22

Waxing Gibbous 85%

17:42

01:29

00 Bad
01 Bad
02 OK
03 OK
04 OK
05 OK
06 Bad
07 Bad
08 OK
09 OK
10 OK
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: 06:54, Set: 19:05, Transit: 12:59. Moon - Rise: 17:42, Set: 01:29. Civil Dark: 19:38 - 06:20. Nautical Dark: 20:17 - 05:41. Astro Dark: 20:58 - 05:00

Total Clouds (% Sky Obscured)

57
50
31
25
17
25
39
44
29
31
44
53
60
69
76
83
79
77
72
83
91
100
100
100

Low Clouds (% Sky Obscured)

13
13
11
14
11
25
39
44
29
31
44
46
39
51
65
83
79
77
72
83
79
76
71
69

Medium Clouds (% Sky Obscured)

8
5
1
2
0
0
0
0
0
0
0
2
16
16
16
15
9
4
2
2
3
4
2
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
5
1
0
28
60
90
90
99

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
2
29
100
100
100
99
100
80
98
88
1
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
12
0
4
2
2
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)

2
2
2
2
2
2
2
2
2
1
2
3
5
5
5
5
5
4
3
3
3
3
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
17
17
17
17
16
16
15
17
19
22
23
24
24
23
23
23
23
22
21
20
18
18
17

Dew Point (°C)

14
14
13
13
13
12
12
12
12
13
14
14
14
13
13
12
13
14
14
14
13
13
12
12

Relative Humidity (%)

89
90
90
90
92
92
92
93
89
81
73
66
62
57
55
53
54
60
62
64
66
69
70
72

Pressure (mb)

1031
1030
1030
1030
1030
1029
1029
1030
1030
1030
1030
1030
1029
1029
1028
1028
1027
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

271
272
273
273
271
271
272
273
274
275
276
275
277
278
276
275
275
275
274
273
275
276
278
278

Wednesday 23

Waxing Gibbous 92%

17:57

02:45

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 OK
19 Bad
20 Bad
21 Good
22 Bad
23 Bad

Sun - Rise: 06:55, Set: 19:02, Transit: 12:59. Moon - Rise: 17:57, Set: 02:45. Civil Dark: 19:36 - 06:22. Nautical Dark: 20:15 - 05:43. Astro Dark: 20:56 - 05:02

Total Clouds (% Sky Obscured)

100
100
100
100
100
93
100
100
100
100
95
90
86
83
77
49
70
48
18
54
53
8
55
78

Low Clouds (% Sky Obscured)

71
73
75
80
32
21
26
34
40
38
45
43
51
44
42
41
43
46
17
11
6
0
0
0

Medium Clouds (% Sky Obscured)

0
1
3
4
5
3
3
13
25
96
33
23
17
12
7
2
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
91
99
87
100
100
100
100
83
67
55
55
50
10
47
0
0
46
51
8
55
78

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
1
0
0
0
0
0
0
0
4
6
2
15
14
6
6
2
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
3
3
3
4
4
4
5
6
8
10
11
13
14
13
14
15
14
12
11
9
9
8
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
12
12
13
13
13
12
12
12
12
11
10
8
7
9
9
9
6
5
6
6

Relative Humidity (%)

74
75
75
77
78
84
90
90
85
77
70
68
63
57
51
47
45
54
60
65
59
60
67
72

Pressure (mb)

1025
1025
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1021
1021
1022
1023
1024
1024
1025
1026
1026

Ozone (du)

280
282
282
283
281
281
281
281
281
281
282
284
285
286
288
292
294
297
299
300
300
299
300
300

Thursday 24

Waxing Gibbous 97%

18:10

04:02

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 OK
21 Good
22 Good
23 Good

Sun - Rise: 06:57, Set: 19:00, Transit: 12:58. Moon - Rise: 18:10, Set: 04:02. Civil Dark: 19:33 - 06:24. Nautical Dark: 20:13 - 05:44. Astro Dark: 20:53 - 05:04

Total Clouds (% Sky Obscured)

100
100
92
100
100
100
98
52
49
49
61
73
87
89
89
88
83
81
79
59
37
17
16
17

Low Clouds (% Sky Obscured)

0
1
1
2
1
0
0
7
5
3
3
2
0
0
0
0
0
0
1
1
0
0
0
0

Medium Clouds (% Sky Obscured)

0
1
2
3
3
7
7
5
9
14
10
7
4
3
1
0
2
4
7
3
2
2
0
0

High Clouds (% Sky Obscured)

100
100
87
100
100
100
98
41
38
37
44
51
58
69
79
88
81
72
67
48
28
9
11
13

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
6
7
7
6
6
6
6
6
6
7
8
8
9
15
14
14
15
16
17
13
13
13
13

Dew Point (°C)

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

Relative Humidity (%)

77
78
81
84
84
87
88
91
78
67
58
50
44
38
39
38
39
45
52
59
66
71
80
79

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1027
1025
1025
1025
1025
1024
1024
1023
1022
1022
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

298
296
295
294
292
290
291
289
288
287
285
283
281
279
278
277
276
276
276
275
275
275
274
275

Friday 25

Waxing Gibbous 98%

18:22

05:19

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

Sun - Rise: 06:58, Set: 18:58, Transit: 12:58. Moon - Rise: 18:22, Set: 05:19. Civil Dark: 19:31 - 06:25. Nautical Dark: 20:10 - 05:46. Astro Dark: 20:51 - 05:06

Total Clouds (% Sky Obscured)

18
22
34
48
52
56
55
55
55
55
60
60
60
51
42
33
24
12
0
13
27
40
35
30

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
1
2
5
7
8
8
9
8
7
8
7
6
0
5
12
18
11
6

Medium Clouds (% Sky Obscured)

0
0
0
0
5
5
5
5
5
5
0
0
5
3
2
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

18
22
33
42
46
46
50
45
45
45
35
24
13
8
5
0
0
0
0
1
2
2
3
3

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

Precipitation Probability (%)

0
0
0
0
0
0
0
1
4
9
32
45
57
59
51
38
15
4
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
11
11
11
11
11
11
11
11
12
10
10
9
16
16
16
17
18
19
11
11
11
11

Dew Point (°C)

8
8
8
8
9
10
10
11
10
9
9
6
3
1
1
1
1
2
3
4
3
3
2
2

Relative Humidity (%)

77
76
80
83
87
90
90
92
82
71
64
53
44
36
35
32
31
36
41
49
51
54
56
56

Pressure (mb)

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

Ozone (du)

275
275
275
275
275
274
274
273
273
274
274
273
273
273
274
275
275
276
277
278
278
279
280
280

Saturday 26

Full Moon 99%

18:34

06:38

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)

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: 20/09/26 00:45:02. Forecast: 20/09/26 to 26/09/26. Timezone: UTC+1.00